Re: sleeping thread panic?
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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 ..
>=20
> 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
>=20
>=20
> (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
2. complete panic message. There should be backtrace of the 'sleeping
thread', not the paniced thread, right after the panic message.
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