Date: Thu, 20 Jul 2000 09:28:59 -0500 (EST) From: Chris Hardie <chris@summersault.com> To: Greg Lehey <grog@lemis.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: mysterious ffs_clusteralloc kernel panics: need help! Message-ID: <Pine.BSF.4.21.0007200927390.531-100000@summersault.com> In-Reply-To: <20000720094750.A50320@wantadilla.lemis.com>
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Backtrace is below, as requested. Thanks!
On Thu, 20 Jul 2000, Greg Lehey wrote:
> > bash-2.03# gdb -k
> > ...
> > (kgdb) symbol-file kernel.debug
> > (kgdb) exec-file /var/crash/kernel.1
> > (kgdb) core-file /var/crash/vmcore.1
> > IdlePTD 3616768
> > initial pcb at 2ec628
> > panicstr: lockmgr: locking against myself
> > panic messages:
> > ---
> > panic: ffs_clusteralloc: map mismatch
> >
> > syncing disks... panic: lockmgr: locking against myself
> >
> > dumping to dev 20401, offset 542720
> > dump 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239
> > <snip>
> > ---
> > #0 0xc0163d7f in boot ()
>
> OK, now do a backtrace ('bt').
(kgdb) bt
#0 0xc0163d7f in boot ()
#1 0xc0164004 in at_shutdown ()
#2 0xc015fd04 in lockmgr ()
#3 0xc0185da0 in vop_stdlock ()
#4 0xc02383b9 in ufs_vnoperate ()
#5 0xc018ebeb in vn_lock ()
#6 0xc018872f in vget ()
#7 0xc0234d7b in qsync ()
#8 0xc022fb55 in ffs_sync ()
#9 0xc018a76b in sync ()
#10 0xc0163bc5 in boot ()
#11 0xc0164004 in at_shutdown ()
#12 0xc022b148 in ffs_clusteralloc ()
#13 0xc022a3c6 in ffs_hashalloc ()
#14 0xc0229d48 in ffs_reallocblks ()
#15 0xc0185407 in cluster_write ()
#16 0xc0230c5b in ffs_write ()
#17 0xc018e7fe in vn_write ()
#18 0xc016ecf6 in dofilewrite ()
#19 0xc016ebff in write ()
#20 0xc0266ce7 in syscall ()
#21 0xac9e5 in ?? ()
#22 0xaaa86 in ?? ()
#23 0xaaa1a in ?? ()
#24 0xa7bc0 in ?? ()
#25 0xa50d6 in ?? ()
#26 0xa706d in ?? ()
#27 0xa5042 in ?? ()
#28 0xc91f in ?? ()
#29 0x2cff in ?? ()
#30 0x24ca in ?? ()
#31 0x110b in ?? ()
#32 0x107e in ?? ()
Thanks,
Chris
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