Date: Wed, 4 Jun 2003 02:40:18 -0700 (PDT) From: Aleksey Ovcharenko <alexovch@ic.kharkov.ua> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/51016: kernel panic: ufsdirhash_lookup: bad offset in hash array Message-ID: <200306040940.h549eINJ060659@freefall.freebsd.org>
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The following reply was made to PR kern/51016; it has been noted by GNATS.
From: Aleksey Ovcharenko <alexovch@ic.kharkov.ua>
To: freebsd-gnats-submit@FreeBSD.org
Cc: David Malone <dwmalone@maths.tcd.ie>
Subject: Re: kern/51016: kernel panic: ufsdirhash_lookup: bad offset in hash array
Date: Wed, 4 Jun 2003 12:39:55 +0259
On Monday 26 May 2003 14:05, David Malone wrote:
> Dear Aleksey,
>
> The we've suaully found that panics in ufsdirhash_lookup are caused
> by bad memory or bad processors. While it is possible there is a
> bug in dirhash, it seems more likely that hardware is at fault. The
> intermittent nature of your problem would also reenforce this.
>
> If you can run gdb -k again and get a back trace, by typing "bt"
> this might help us see what's going on.
I send you this information some days ago, but still no response.
Resending it in case it losts.
(kgdb) bt
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 0xc014ea58 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:316
#2 0xc014ee8c in poweroff_wait (junk=0xc0259b40, howto=0) at /usr/src/sys/kern/kern_shutdown.c:595
#3 0xc01e8a0f in ufsdirhash_lookup (ip=0xcd473000, name=0xe6b37800 "1051794533.99778.console.ic.kharkov.ua", namelen=38, offp=0xcd473064,
bpp=0xe6ec6d5c, prevoffp=0x0) at /usr/src/sys/ufs/ufs/ufs_dirhash.c:361
#4 0xc01e29bb in ufs_lookup (ap=0xe6ec6db8) at /usr/src/sys/ufs/ufs/ufs_lookup.c:212
#5 0xc01e8241 in ufs_vnoperate (ap=0xe6ec6db8) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2422
#6 0xc0178772 in vfs_cache_lookup (ap=0xe6ec6e10) at vnode_if.h:77
#7 0xc01e8241 in ufs_vnoperate (ap=0xe6ec6e10) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2422
#8 0xc017b70d in lookup (ndp=0xe6ec6e8c) at vnode_if.h:52
#9 0xc017b1f8 in namei (ndp=0xe6ec6e8c) at /usr/src/sys/kern/vfs_lookup.c:153
#10 0xc0180fc5 in lstat (p=0xe6e268e0, uap=0xe6ec6f80) at /usr/src/sys/kern/vfs_syscalls.c:1823
#11 0xc022bd21 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134547712, tf_esi = 134547816, tf_ebp = -1077937680,
tf_isp = -420712492, tf_ebx = 672177004, tf_edx = 3, tf_ecx = 134547776, tf_eax = 190, tf_trapno = 12, tf_err = 2, tf_eip = 671854364,
tf_cs = 31, tf_eflags = 659, tf_esp = -1077937820, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1175
#12 0xc021ffe5 in Xint0x80_syscall ()
#13 0x280b756d in ?? ()
#14 0x280b6dea in ?? ()
#15 0x8048e62 in ?? ()
#16 0x80488f1 in ?? ()
(kgdb)
--
Sincerely Yours, Aleksey Ovcharenko
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