Date: Sat, 29 Aug 2009 21:45:20 +0200 From: Stefan Bethke <stb@lassitu.de> To: FreeBSD current <freebsd-current@freebsd.org> Subject: Re: atapicd triggers panic Message-ID: <033809BD-D5AF-4A2E-B8A0-1EF09A41A25F@lassitu.de> In-Reply-To: <CC4AC20A-AF93-4C49-BFFE-4A22D22BE645@lassitu.de> References: <CC4AC20A-AF93-4C49-BFFE-4A22D22BE645@lassitu.de>
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Am 29.08.2009 um 12:53 schrieb Stefan Bethke:
> Sorry if this has been discussed before; I didn't pay attention
> since I thought the problem only was annoying messages.
>
> This happens about a minute or two after I load atapicd,
> irrespective whether I load it from loader.conf or the command
> line. This is on VMware Fusion 2.
>
> I'll try with GENERIC now.
With GENERIC, I do get a different one:
Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex ATA state lock (ATA state lock) r = 0
(0xffffff0002494988) locked @ /usr/src/sys/dev/ata/ata-queue.c:201
exclusive sleep mutex ATA queue lock (ATA queue lock) r = 0
(0xffffff00024949b0) locked @ /usr/src/sys/dev/ata/ata-queue.c:184
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_warn() at witness_warn+0x2c2
trap() at trap+0x2f5
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff805a9161, rsp = 0xffffff800005aa80, rbp
= 0xffffff800005aad0 ---
device_get_softc() at device_get_softc+0x1
ata_start() at ata_start+0x1d3
ata_queue_request() at ata_queue_request+0x12c
taskqueue_run() at taskqueue_run+0x91
intr_event_execute_handlers() at intr_event_execute_handlers+0x68
ithread_loop() at ithread_loop+0xb2
fork_exit() at fork_exit+0x12a
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xffffff800005ad30, rbp = 0 ---
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x80
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff805a9161
stack pointer = 0x28:0xffffff800005aa80
frame pointer = 0x28:0xffffff800005aad0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 12 (swi6: task queue)
#8 0xffffffff80849ee3 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:224
#9 0xffffffff805a9161 in device_get_softc (dev=0x0)
at /usr/src/sys/kern/subr_bus.c:2294
#10 0xffffffff8026e0e4 in ata_begin_transaction
(request=0xffffff0002ec63a8)
at /usr/src/sys/dev/ata/ata-lowlevel.c:79
#11 0xffffffff80270173 in ata_start (dev=0xffffff0002560700)
at /usr/src/sys/dev/ata/ata-queue.c:212
#12 0xffffffff8027039c in ata_queue_request (request=0xffffff0002ec63a8)
at /usr/src/sys/dev/ata/ata-queue.c:95
---Type <return> to continue, or q <return> to quit---
#13 0xffffffff805be691 in taskqueue_run (queue=0xffffff000244ee00)
at /usr/src/sys/kern/subr_taskqueue.c:239
#14 0xffffffff8055c7d8 in intr_event_execute_handlers (p=Variable "p"
is not available.
)
at /usr/src/sys/kern/kern_intr.c:1165
#15 0xffffffff8055d432 in ithread_loop (arg=0xffffff0002321160)
at /usr/src/sys/kern/kern_intr.c:1178
#16 0xffffffff8055a72a in fork_exit (
callout=0xffffffff8055d380 <ithread_loop>, arg=0xffffff0002321160,
frame=0xffffff800005ac80) at /usr/src/sys/kern/kern_fork.c:838
#17 0xffffffff8084a3be in fork_trampoline ()
at /usr/src/sys/amd64/amd64/exception.S:561
--
Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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