Messages in this thread | | | Date | Tue, 4 Dec 2001 18:33:16 +0100 | From | Jan Kara <> | Subject | Re: OOPS in prune_dcache with 2.4.16 and ext3 corruption |
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Hello,
> I just had an oops while running mkisofs using 2.4.16. After the > OOPS I tried to reboot and got an other OOPS + segfault during > umount. > > I ran e2fsck on the partition where I was writing the ISO and got > this: > > e2fsck 1.25 (20-Sep-2001) > Pass 1: Checking inodes, blocks, and sizes > Inode 505859, i_blocks is 4, should be 2. Fix<y>? no > > Inode 505861, i_blocks is 2430, should be 32. Fix<y>? no > > Pass 2: Checking directory structure > Pass 3: Checking directory connectivity > Pass 4: Checking reference counts > Pass 5: Checking group summary information > > /dev/hdb4: ********** WARNING: Filesystem still has errors > ********** > > /dev/hdb4: 74774/2299904 files (16.8% non-contiguous), > 8604048/9192424 blocks These errors mean nothing severe and probably aren't connected with your oops (just some inodes weren't written before the oops).
> The last fsck on that partition was from 26 November, and I have > been using 2.4.16 since then. > > The inodes don't have anything to do with the ISO and were both > last written about 12 hours before the crash. Hmm... That is strange... Do you have quota support compiled or not? But as I said it has probably no connection to the oops below.
> PS: It's not the first time I report an OOPS with prune_*cache > To me it seems like corrupted dentry list but I really don't know where this can happen.
Honza
> Oops: > Unable to handle kernel NULL pointer dereference at virtual > address 00000000 > c0139a58 > *pde = 00000000 > Oops: 0002 > CPU: 0 > EIP: 0010:[<c0139a58>] Not tainted > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010286 > eax: c09abb94 ebx: c09abb7c ecx: 00000000 edx: c195ddd0 > esi: c09abb64 edi: c2b52aa0 ebp: 000001ca esp: c3fcff60 > ds: 0018 es: 0018 ss: 0018 > Process kswapd (pid: 5, stackpage=c3fcf000) > Stack: 0000000a 000001d0 00000020 00000006 c0139d3b 000005ed > c0125191 00000006 > 000001d0 00000006 000001d0 c02b6cc8 00000000 c02b6cc8 > c01251cc 00000020 > c02b6cc8 00000001 c3fce000 c0125263 c02b6c20 00000000 > c3fce249 0008e000 > Call Trace: [<c0139d3b>] [<c0125191>] [<c01251cc>] [<c0125263>] > [<c01252be>] > [<c01253cd>] [<c010546c>] > Code: 89 11 89 46 30 89 40 04 8b 46 4c 85 c0 74 10 8b 40 14 85 c0 > > >>EIP; c0139a58 <prune_dcache+98/128> <===== > Trace; c0139d3a <shrink_dcache_memory+1a/34> > Trace; c0125190 <shrink_caches+6c/84> > Trace; c01251cc <try_to_free_pages+24/44> > Trace; c0125262 <kswapd_balance_pgdat+42/8c> > Trace; c01252be <kswapd_balance+12/28> > Trace; c01253cc <kswapd+98/bc> > Trace; c010546c <kernel_thread+28/38> > Code; c0139a58 <prune_dcache+98/128> > 00000000 <_EIP>: > Code; c0139a58 <prune_dcache+98/128> <===== > 0: 89 11 mov %edx,(%ecx) <===== > Code; c0139a5a <prune_dcache+9a/128> > 2: 89 46 30 mov %eax,0x30(%esi) > Code; c0139a5c <prune_dcache+9c/128> > 5: 89 40 04 mov %eax,0x4(%eax) > Code; c0139a60 <prune_dcache+a0/128> > 8: 8b 46 4c mov 0x4c(%esi),%eax > Code; c0139a62 <prune_dcache+a2/128> > b: 85 c0 test %eax,%eax > Code; c0139a64 <prune_dcache+a4/128> > Code; c0139a64 <prune_dcache+a4/128> > d: 74 10 je 1f <_EIP+0x1f> c0139a76 > <prune_dcache+b6/128> > Code; c0139a66 <prune_dcache+a6/128> > f: 8b 40 14 mov 0x14(%eax),%eax > Code; c0139a6a <prune_dcache+aa/128> > 12: 85 c0 test %eax,%eax - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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