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Date:      Sun, 08 Jul 2012 09:46:09 -0400
From:      Michael Butler <imb@protected-networks.net>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        current@freebsd.org
Subject:   Re: sleeping thread panic?
Message-ID:  <4FF98F21.9060003@protected-networks.net>
In-Reply-To: <20120708133455.GX2338@deviant.kiev.zoral.com.ua>
References:  <4FF98128.6050607@protected-networks.net> <20120708133455.GX2338@deviant.kiev.zoral.com.ua>

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On 07/08/12 09:34, Konstantin Belousov wrote:
> On Sun, Jul 08, 2012 at 08:46:32AM -0400, Michael Butler wrote:
>> Sorry, no symbols but this happened twice last night while being the
>> target of a dump over NFS ..
>>
>> root@mail:/var/crash # less info.0
>> Dump header from device /dev/ada0s1
>>   Architecture: i386
>>   Architecture Version: 2
>>   Dump Length: 252809216B (241 MB)
>>   Blocksize: 512
>>   Dumptime: Sun Jul  8 00:21:23 2012
>>   Hostname: mail.auburn.protected-networks.net
>>   Magic: FreeBSD Kernel Dump
>>   Version String: FreeBSD 10.0-CURRENT #87: Sat Jul  7 22:39:55 EDT 2012
>>     root@mail.auburn.protected-networks.net:/usr/obj/usr/src/sys/AUBURN
>>   Panic String: sleeping thread
>>   Dump Parity: 2996346376
>>   Bounds: 0
>>   Dump Status: good
>>
>>
>> (kgdb) bt
>> #0  0xc07530cd in doadump ()
>> #1  0xc0753656 in kern_reboot ()
>> #2  0xc0753cfc in panic ()
>> #3  0xc079a34e in propagate_priority ()
>> #4  0xc079b5e4 in turnstile_wait ()
>> #5  0xc073ea71 in _mtx_lock_sleep ()
>> #6  0xc09c4772 in vm_page_unwire ()
>> #7  0xc07db039 in vfs_vmio_release ()
>> #8  0xc07dd476 in getnewbuf ()
>> #9  0xc07de50b in getblk ()
>> #10 0xc0966d99 in ffs_balloc_ufs2 ()
>> #11 0xc099281e in ffs_write ()
>> #12 0xc0a38b05 in VOP_WRITE_APV ()
>> #13 0xc068a65e in nfsvno_write ()
>> #14 0xc06882e7 in nfsrvd_write ()
>> #15 0xc066ea05 in nfsrvd_dorpc ()
>> #16 0xc067d42f in nfssvc_program ()
>> #17 0xc09356e2 in svc_run_internal ()
>> #18 0xc0935b70 in svc_thread_start ()
>> #19 0xc07204fb in fork_exit ()
>> #20 0xc09fe7a4 in fork_trampoline ()
> 
> You need to provide:
> 1. exact version of your kernel sources

This is the CVS equivalent of SVN r238221

> 2. complete panic message. There should be backtrace of the 'sleeping
> thread', not the paniced thread, right after the panic message.
> 

Sorry, that is the entire info file - nothing more than I've posted is
logged,

	imb


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