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Date:      Mon, 17 Oct 2016 22:40:37 +0100
From:      Steven Hartland <killing@multiplay.co.uk>
To:        freebsd-stable@freebsd.org
Subject:   Re: Repeatable panic on ZFS filesystem (used for backups); 11.0-STABLE
Message-ID:  <d2afc0b0-0e7f-e7ac-fb21-fa4ffd1c1003@multiplay.co.uk>
In-Reply-To: <26e092b2-17c6-8744-5035-d0853d733870@denninger.net>
References:  <3d4f25c9-a262-a373-ec7e-755325f8810b@denninger.net> <9adecd24-6659-0da5-5c05-d0d3957a2cb3@denninger.net> <CANCZdfq5QCDNhLY5GOpmBoh5ONYy2VPteuaMhQ2=3v%2B0vcoM0g@mail.gmail.com> <0f58b11f-0bca-bc08-6f90-4e6e530f9956@denninger.net> <43a67287-f4f8-5d3e-6c5e-b3599c6adb4d@multiplay.co.uk> <76551fd6-0565-ee6c-b0f2-7d472ad6a4b3@denninger.net> <25ff3a3e-77a9-063b-e491-8d10a06e6ae2@multiplay.co.uk> <26e092b2-17c6-8744-5035-d0853d733870@denninger.net>

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Setting those values will only effect what's queued to the device not 
what's actually outstanding.

On 17/10/2016 21:22, Karl Denninger wrote:
> Since I cleared it (by setting TRIM off on the test machine, rebooting,
> importing the pool and noting that it did not panic -- pulled drives,
> re-inserted into the production machine and ran backup routine -- all
> was normal) it may be a while before I see it again (a week or so is usual.)
>
> It appears to be related to entropy in the filesystem that comes up as
> "eligible" to be removed from the backup volume, which (not
> surprisingly) tends to happen a few days after I do a new world build or
> something similar (the daily and/or periodic snapshots roll off at about
> that point.)
>
> I don't happen to have a spare pair of high-performance SSDs I can stick
> in the sandbox machine in an attempt to force the condition to assert
> itself in test, unfortunately.
>
> I *am* concerned that it's not "simple" stack exhaustion because setting
> the max outstanding TRIMs on a per-vdev basis down quite-dramatically
> did *not* prevent it from happening -- and if it was simply stack depth
> related I would have expected that to put a stop to it.
>
> On 10/17/2016 15:16, Steven Hartland wrote:
>> Be good to confirm its not an infinite loop by giving it a good bump
>> first.
>>
>> On 17/10/2016 19:58, Karl Denninger wrote:
>>> I can certainly attempt setting that higher.... but is that not just
>>> hiding the problem rather than addressing it?
>>>
>>>
>>> On 10/17/2016 13:54, Steven Hartland wrote:
>>>> You're hitting stack exhaustion, have you tried increasing the kernel
>>>> stack pages?
>>>> It can be changed from /boot/loader.conf
>>>> kern.kstack_pages="6"
>>>>
>>>> Default on amd64 is 4 IIRC
>>>>
>>>> On 17/10/2016 19:08, Karl Denninger wrote:
>>>>> The target (and devices that trigger this) are a pair of 4Gb 7200RPM
>>>>> SATA rotating rust drives (zmirror) with each provider geli-encrypted
>>>>> (that is, the actual devices used for the pool create are the .eli's)
>>>>>
>>>>> The machine generating the problem has both rotating rust devices
>>>>> *and*
>>>>> SSDs, so I can't simply shut TRIM off system-wide and call it a day as
>>>>> TRIM itself is heavily-used; both the boot/root pools and a Postgresql
>>>>> database pool are on SSDs, while several terabytes of lesser-used data
>>>>> is on a pool of Raidz2 that is made up of spinning rust.
>>>> snip...
>>>>> NewFS.denninger.net dumped core - see /var/crash/vmcore.1
>>>>>
>>>>> Mon Oct 17 09:02:33 CDT 2016
>>>>>
>>>>> FreeBSD NewFS.denninger.net 11.0-STABLE FreeBSD 11.0-STABLE #13
>>>>> r307318M: Fri Oct 14 09:23:46 CDT 2016
>>>>> karl@NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP  amd64
>>>>>
>>>>> panic: double fault
>>>>>
>>>>> GNU gdb 6.1.1 [FreeBSD]
>>>>> Copyright 2004 Free Software Foundation, Inc.
>>>>> GDB is free software, covered by the GNU General Public License, and
>>>>> you are
>>>>> welcome to change it and/or distribute copies of it under certain
>>>>> conditions.
>>>>> Type "show copying" to see the conditions.
>>>>> There is absolutely no warranty for GDB.  Type "show warranty" for
>>>>> details.
>>>>> This GDB was configured as "amd64-marcel-freebsd"...
>>>>>
>>>>> Unread portion of the kernel message buffer:
>>>>>
>>>>> Fatal double fault
>>>>> rip = 0xffffffff8220d9ec
>>>>> rsp = 0xfffffe066821f000
>>>>> rbp = 0xfffffe066821f020
>>>>> cpuid = 6; apic id = 14
>>>>> panic: double fault
>>>>> cpuid = 6
>>>>> KDB: stack backtrace:
>>>>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
>>>>> 0xfffffe0649d78e30
>>>>> vpanic() at vpanic+0x182/frame 0xfffffe0649d78eb0
>>>>> panic() at panic+0x43/frame 0xfffffe0649d78f10
>>>>> dblfault_handler() at dblfault_handler+0xa2/frame 0xfffffe0649d78f30
>>>>> Xdblfault() at Xdblfault+0xac/frame 0xfffffe0649d78f30
>>>>> --- trap 0x17, rip = 0xffffffff8220d9ec, rsp = 0xfffffe066821f000,
>>>>> rbp =
>>>>> 0xfffffe066821f020 ---
>>>>> avl_rotation() at avl_rotation+0xc/frame 0xfffffe066821f020
>>>>> avl_remove() at avl_remove+0x1c8/frame 0xfffffe066821f070
>>>>> vdev_queue_io_to_issue() at vdev_queue_io_to_issue+0x87f/frame
>>>>> 0xfffffe066821f530
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0x83/frame
>>>>> 0xfffffe066821f570
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821f5a0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f5f0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821f650
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f6a0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821f6e0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821f710
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f760
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821f7c0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f810
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821f850
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821f880
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f8d0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821f930
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821f980
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821f9c0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821f9f0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fa40
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821faa0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821faf0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821fb30
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821fb60
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fbb0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821fc10
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fc60
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821fca0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821fcd0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fd20
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821fd80
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fdd0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821fe10
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821fe40
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821fe90
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe066821fef0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe066821ff40
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe066821ff80
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe066821ffb0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220000
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220060
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682200b0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682200f0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220120
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220170
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682201d0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220220
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220260
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220290
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682202e0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220340
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220390
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682203d0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220400
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220450
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682204b0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220500
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220540
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220570
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682205c0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220620
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220670
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682206b0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682206e0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220730
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220790
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682207e0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220820
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220850
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682208a0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220900
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220950
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220990
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682209c0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220a10
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220a70
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220ac0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220b00
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220b30
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220b80
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220be0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220c30
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220c70
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220ca0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220cf0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220d50
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220da0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220de0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220e10
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220e60
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668220ec0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220f10
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668220f50
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668220f80
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668220fd0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221030
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221080
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682210c0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682210f0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221140
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682211a0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682211f0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221230
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221260
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682212b0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221310
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221360
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682213a0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682213d0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221420
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221480
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682214d0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221510
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221540
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221590
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682215f0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221640
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221680
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682216b0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221700
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221760
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682217b0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682217f0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221820
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221870
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682218d0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221920
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221960
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221990
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682219e0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221a40
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221a90
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221ad0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221b00
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221b50
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221bb0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221c00
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221c40
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221c70
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221cc0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221d20
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221d70
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221db0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221de0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221e30
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668221e90
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221ee0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668221f20
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668221f50
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668221fa0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668222000
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222050
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222090
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682220c0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222110
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668222170
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682221c0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222200
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668222230
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222280
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682222e0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222330
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222370
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682223a0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682223f0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668222450
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682224a0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682224e0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668222510
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222560
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682225c0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222610
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222650
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668222680
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682226d0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668222730
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222780
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe06682227c0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe06682227f0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222840
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe06682228a0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682228f0
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222930
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668222960
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe06682229b0
>>>>> zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame
>>>>> 0xfffffe0668222a10
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222a60
>>>>> vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame
>>>>> 0xfffffe0668222aa0
>>>>> zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0668222ad0
>>>>> zio_execute() at zio_execute+0x23d/frame 0xfffffe0668222b20
>>>>> taskqueue_run_locked() at taskqueue_run_locked+0x14a/frame
>>>>> 0xfffffe0668222b80
>>>>> taskqueue_thread_loop() at taskqueue_thread_loop+0xe8/frame
>>>>> 0xfffffe0668222bb0
>>>>> fork_exit() at fork_exit+0x85/frame 0xfffffe0668222bf0
>>>>> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0668222bf0
>>>>> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
>>>>> Uptime: 4m29s
>>>>> Dumping 1497 out of 24531
>>>>> MB:..2%..11%..21%..31%..41%..51%..61%..71%..81%..91%
>>>>>
>>>>> Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/zfs.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/zfs.ko
>>>>> Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols
>>>>> from
>>>>> /usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/opensolaris.ko
>>>>> Reading symbols from /boot/kernel/geom_eli.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/geom_eli.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/geom_eli.ko
>>>>> Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols
>>>>> from
>>>>> /usr/lib/debug//boot/kernel/geom_mirror.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/geom_mirror.ko
>>>>> Reading symbols from /boot/kernel/aesni.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/aesni.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/aesni.ko
>>>>> Reading symbols from /boot/kernel/uhid.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/uhid.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/uhid.ko
>>>>> Reading symbols from /boot/kernel/ums.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/ums.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/ums.ko
>>>>> Reading symbols from /boot/kernel/ipfw.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/ipfw.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/ipfw.ko
>>>>> Reading symbols from /boot/kernel/ipfw_nat.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/ipfw_nat.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/ipfw_nat.ko
>>>>> Reading symbols from /boot/kernel/libalias.ko...Reading symbols from
>>>>> /usr/lib/debug//boot/kernel/libalias.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/libalias.ko
>>>>> Reading symbols from /boot/kernel/daemon_saver.ko...Reading symbols
>>>>> from
>>>>> /usr/lib/debug//boot/kernel/daemon_saver.ko.debug...done.
>>>>> done.
>>>>> Loaded symbols for /boot/kernel/daemon_saver.ko
>>>>> #0  doadump (textdump=1) at pcpu.h:221
>>>>> 221     pcpu.h: No such file or directory.
>>>>>            in pcpu.h
>>>>> (kgdb) #0  doadump (textdump=1) at pcpu.h:221
>>>>> #1  0xffffffff80ae9b6e in kern_reboot (howto=260)
>>>>>        at /usr/src/sys/kern/kern_shutdown.c:366
>>>>> #2  0xffffffff80aea13b in vpanic (fmt=<value optimized out>,
>>>>>        ap=<value optimized out>) at
>>>>> /usr/src/sys/kern/kern_shutdown.c:759
>>>>> #3  0xffffffff80ae9f73 in panic (fmt=0x0)
>>>>>        at /usr/src/sys/kern/kern_shutdown.c:690
>>>>> #4  0xffffffff80fd18f2 in dblfault_handler (frame=<value optimized
>>>>> out>)
>>>>>        at /usr/src/sys/amd64/amd64/trap.c:868
>>>>> #5  0xffffffff80fb406c in Xdblfault ()
>>>>>        at /usr/src/sys/amd64/amd64/exception.S:292
>>>>> #6  0xffffffff8220d9ec in avl_rotation (tree=0xfffff8004dc54510,
>>>>>        node=0xfffff8056e45cdd0, balance=2)
>>>>>        at /usr/src/sys/cddl/contrib/opensolaris/common/avl/avl.c:304
>>>>> #7  0xffffffff8220de58 in avl_remove (tree=<value optimized out>,
>>>>>        data=<value optimized out>)
>>>>>        at /usr/src/sys/cddl/contrib/opensolaris/common/avl/avl.c:818
>>>>> #8  0xffffffff822a1eff in vdev_queue_io_to_issue (vq=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:439
>>>>>
>>>>> #9  0xffffffff822a2123 in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:907
>>>>>
>>>>> #10 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e3f33d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #11 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #12 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e3f33d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #13 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #14 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #15 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e578000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #16 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #17 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e578000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #18 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #19 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #20 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5ec3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #21 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #22 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5ec3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #23 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #24 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #25 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e48a000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #26 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #27 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e48a000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #28 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #29 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #30 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e57ab88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #31 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #32 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e57ab88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #33 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #34 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #35 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800a69a3000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #36 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #37 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800a69a3000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #38 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #39 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #40 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5c8000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #41 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #42 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5c8000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #43 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #44 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #45 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a23f9000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #46 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #47 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a23f9000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #48 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #49 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #50 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5147b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #51 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #52 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5147b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #53 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #54 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #55 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e977000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #56 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #57 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e977000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #58 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #59 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #60 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e90b3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #61 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #62 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e90b3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #63 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #64 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #65 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800b1160b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #66 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #67 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800b1160b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #68 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #69 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #70 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e4f53d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #71 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #72 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e4f53d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #73 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #74 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #75 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e8ebb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #76 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #77 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e8ebb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #78 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #79 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #80 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e8d9b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #81 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #82 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e8d9b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #83 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #84 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #85 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a21a03d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #86 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #87 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a21a03d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #88 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #89 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #90 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e6903d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #91 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #92 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e6903d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #93 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #94 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #95 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a22dc7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #96 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #97 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a22dc7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #98 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #99 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #100 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5fb7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #101 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #102 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5fb7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #103 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #104 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #105 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5ae3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #106 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #107 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5ae3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #108 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #109 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #110 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a2131b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #111 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #112 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a2131b88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #113 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #114 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #115 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e80b7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #116 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #117 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e80b7b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #118 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #119 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #120 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800b14b9000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #121 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #122 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800b14b9000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #123 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #124 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #125 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a21fa3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #126 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #127 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a21fa3d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #128 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #129 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #130 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5333d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #131 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #132 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5333d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #133 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #134 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #135 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e90ab88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #136 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #137 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e90ab88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #138 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #139 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #140 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e4047b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #141 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #142 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e4047b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #143 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #144 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #145 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e7083d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #146 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #147 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e7083d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #148 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #149 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #150 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff802a23917b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #151 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #152 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff802a23917b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #153 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #154 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #155 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e636000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #156 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #157 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e636000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #158 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #159 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #160 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5afb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #161 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #162 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5afb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #163 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #164 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #165 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800a69523d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #166 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #167 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800a69523d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #168 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #169 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #170 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e47c000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #171 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #172 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e47c000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #173 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #174 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #175 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800b17b23d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #176 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #177 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800b17b23d8)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #178 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #179 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #180 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800a6d367b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #181 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #182 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff800a6d367b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #183 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #184 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #185 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e99fb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #186 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #187 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e99fb88)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #188 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #189 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #190 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff8056e5227b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #191 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #192 0xffffffff822bf75d in zio_vdev_io_start (zio=0xfffff8056e5227b0)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3112
>>>>> #193 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #194 0xffffffff822a216d in vdev_queue_io_done (zio=<value optimized
>>>>> out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:913
>>>>>
>>>>> #195 0xffffffff822bf919 in zio_vdev_io_done (zio=0xfffff800a6d3c000)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3137
>>>>> #196 0xffffffff822bbefd in zio_execute (zio=<value optimized out>)
>>>>>        at
>>>>> /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1651
>>>>> #197 0xffffffff80b4895a in taskqueue_run_locked (queue=<value
>>>>> optimized
>>>>> out>)
>>>>>        at /usr/src/sys/kern/subr_taskqueue.c:454
>>>>> #198 0xffffffff80b49b58 in taskqueue_thread_loop (arg=<value
>>>>> optimized out>)
>>>>>        at /usr/src/sys/kern/subr_taskqueue.c:724
>>>>> #199 0xffffffff80a9f255 in fork_exit (
>>>>>        callout=0xffffffff80b49a70 <taskqueue_thread_loop>,
>>>>>        arg=0xfffff8057caa72a0, frame=0xfffffe0668222c00)
>>>>>        at /usr/src/sys/kern/kern_fork.c:1040
>>>>> #200 0xffffffff80fb44ae in fork_trampoline ()
>>>>>        at /usr/src/sys/amd64/amd64/exception.S:611
>>>>> #201 0x0000000000000000 in ?? ()
>>>>> Current language:  auto; currently minimal
>>>>> (kgdb)
>>>>>
>>>>>
>>>>>>> -- 
>>>>>>> Karl Denninger
>>>>>>> karl@denninger.net <mailto:karl@denninger.net>
>>>>>>> /The Market Ticker/
>>>>>>> /[S/MIME encrypted email preferred]/
>>>> _______________________________________________
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>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-stable
>>>> To unsubscribe, send any mail to
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>> _______________________________________________
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