From: Peter Williams <pwil3058@bigpond.net.au>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6.9-rc1-bk14 Oops] In groups_search()
Date: Fri, 10 Sep 2004 17:43:17 +1000 [thread overview]
Message-ID: <41415B15.1050402@bigpond.net.au> (raw)
In-Reply-To: <20040909235217.5a170840.akpm@osdl.org>
[-- Attachment #1: Type: text/plain, Size: 1094 bytes --]
Andrew Morton wrote:
> Peter Williams <pwil3058@bigpond.net.au> wrote:
>
>>>Please keep going ;)
>>
>> >
>>
>> All the way through and it's still occurring. After the second patch
>> the symptoms changed slightly and it was a different gdm program that
>> triggered the oops. But with all patches applied it's back to the
>> original symptoms.
>
>
> Drat - I expected one of those would be the culprit. Your .config works
> happily here on a FC1 box, of course :(
>
> It would be useful if you could experiment with CONFIG_DEBUG_SLAB and
> CONFIG_DEBUG_PAGEALLOC.
With both of those enabled and all four patches applied the oops and the
scheduling while atomic have stopped BUT I'm now getting 4 identical
oops in kfree which seem to be associated with a segment fault in mount
while my start up script is mounting some iso files with loopback.
Oops and result of running it through ksymoops are attached.
Peter
--
Peter Williams pwil3058@bigpond.net.au
"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
[-- Attachment #2: kfree.oops.txt --]
[-- Type: text/plain, Size: 3563 bytes --]
Sep 10 17:22:29 mudlark kernel: Unable to handle kernel paging request at virtual address f2d8bef4
Sep 10 17:22:29 mudlark kernel: printing eip:
Sep 10 17:22:29 mudlark kernel: c013957f
Sep 10 17:22:29 mudlark kernel: *pde = 00507067
Sep 10 17:22:29 mudlark kernel: *pte = 32d8b000
Sep 10 17:22:29 mudlark kernel: Oops: 0000 [#1]
Sep 10 17:22:29 mudlark kernel: PREEMPT DEBUG_PAGEALLOC
Sep 10 17:22:29 mudlark kernel: Modules linked in: tulip ohci_hcd
Sep 10 17:22:29 mudlark kernel: CPU: 0
Sep 10 17:22:29 mudlark kernel: EIP: 0060:[<c013957f>] Not tainted VLI
Sep 10 17:22:30 mudlark kernel: EFLAGS: 00010082 (2.6.9-rc1-bk16)
Sep 10 17:22:30 mudlark kernel: EIP is at cache_free_debugcheck+0x207/0x2a3
Sep 10 17:22:30 mudlark kernel: eax: f2d8bef4 ebx: 80052c00 ecx: f2d8bef8 edx: 00000ef8
Sep 10 17:22:32 mudlark kernel: esi: f2d3164c edi: f2d8b000 ebp: c18ff680 esp: f2e95cfc
Sep 10 17:22:33 mudlark kernel: ds: 007b es: 007b ss: 0068
Sep 10 17:22:34 mudlark rc: Starting webmin: succeeded
Sep 10 17:22:34 mudlark kernel: Process mount (pid: 2671, threadinfo=f2e94000 task=f2da1a60)
Sep 10 17:22:34 mudlark kernel: Stack: c18ff680 f2d8b000 00000000 00000246 32d8b000 c18ff680 c1903054 f2d8bef8
Sep 10 17:22:34 mudlark kernel: 00000282 c013a185 c18ff680 f2d8bef8 c01b2a6d 00000000 f2d8bef8 f2d8bfe5
Sep 10 17:22:34 mudlark kernel: f2d8bef8 c01b2a6d f2d8bef8 00000041 00000800 f2fafec0 00000005 0000001f
Sep 10 17:22:34 mudlark kernel: Call Trace:
Sep 10 17:22:34 mudlark kernel: [<c013a185>] kfree+0x59/0x9b
Sep 10 17:22:34 mudlark kernel: [<c01b2a6d>] parse_rock_ridge_inode_internal+0x1c9/0x654
Sep 10 17:22:34 mudlark kernel: [<c01b2a6d>] parse_rock_ridge_inode_internal+0x1c9/0x654
Sep 10 17:22:34 mudlark kernel: [<c01b3090>] parse_rock_ridge_inode+0x27/0x67
Sep 10 17:22:34 mudlark kernel: [<c01b1ad6>] isofs_read_inode+0x283/0x3f7
Sep 10 17:22:34 mudlark kernel: [<c01b1d0c>] isofs_iget+0x71/0x7b
Sep 10 17:22:34 mudlark kernel: [<c01b1c4a>] isofs_iget5_test+0x0/0x3b
Sep 10 17:22:34 mudlark kernel: [<c01b1c85>] isofs_iget5_set+0x0/0x16
Sep 10 17:22:34 mudlark kernel: [<c01b0e83>] isofs_fill_super+0x3f0/0x6bb
Sep 10 17:22:34 mudlark kernel: [<c0139db1>] kmem_cache_alloc+0x60/0x86
Sep 10 17:22:34 mudlark kernel: [<c0155795>] sb_set_blocksize+0x2e/0x5d
Sep 10 17:22:34 mudlark kernel: [<c01551f8>] get_sb_bdev+0x103/0x135
Sep 10 17:22:34 mudlark kernel: [<c0169670>] alloc_vfsmnt+0x90/0xc7
Sep 10 17:22:35 mudlark kernel: [<c01b1d45>] isofs_get_sb+0x2f/0x36
Sep 10 17:22:35 mudlark init: open(/dev/pts/0): No such file or directory
Sep 10 17:22:35 mudlark init: open(/dev/pts/0): No such file or directory
Sep 10 17:22:35 mudlark kernel: [<c01b0a93>] isofs_fill_super+0x0/0x6bb
Sep 10 17:22:35 mudlark kernel: [<c0155418>] do_kern_mount+0x57/0xd1
Sep 10 17:22:35 mudlark kernel: [<c016a808>] do_new_mount+0x9c/0xe1
Sep 10 17:22:35 mudlark kernel: [<c016aece>] do_mount+0x145/0x194
Sep 10 17:22:35 mudlark kernel: [<c0139db1>] kmem_cache_alloc+0x60/0x86
Sep 10 17:22:35 mudlark kernel: [<c016ad30>] copy_mount_options+0x63/0xbc
Sep 10 17:22:35 mudlark kernel: [<c016b2ae>] sys_mount+0xb9/0x125
Sep 10 17:22:35 mudlark kernel: [<c0103fad>] sysenter_past_esp+0x52/0x71
Sep 10 17:22:35 mudlark kernel: Code: e9 03 ff ff ff 89 7c 24 04 89 2c 24 e8 86 e4 ff ff 8b 54 24 30 89 10 8b 5d 38 e9 d2 fe ff ff 89 7c 24 04 89 2c 24 e8 0f e4 ff ff <81> 38 a5 c2 0f 17 74 7a c7 44 24 08 fc 18 39 c0 89 6c 24 04 c7
Sep 10 17:22:35 mudlark kernel: <7>ISO 9660 Extensions: Microsoft Joliet Level 3
[-- Attachment #3: ksymoops.kfree.op.txt --]
[-- Type: text/plain, Size: 6391 bytes --]
ksymoops 2.4.8 on i686 2.6.9-rc1-bk16. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.9-rc1-bk16/ (default)
-m /boot/System.map-2.6.9-rc1-bk16 (specified)
Error (regular_file): read_ksyms stat /proc/ksyms failed
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Sep 10 17:22:29 mudlark kernel: Unable to handle kernel paging request at virtual address f2d8bef4
Sep 10 17:22:29 mudlark kernel: c013957f
Sep 10 17:22:29 mudlark kernel: *pde = 00507067
Sep 10 17:22:29 mudlark kernel: Oops: 0000 [#1]
Sep 10 17:22:29 mudlark kernel: CPU: 0
Sep 10 17:22:29 mudlark kernel: EIP: 0060:[<c013957f>] Not tainted VLI
Using defaults from ksymoops -t elf32-i386 -a i386
Sep 10 17:22:30 mudlark kernel: EFLAGS: 00010082 (2.6.9-rc1-bk16)
Sep 10 17:22:30 mudlark kernel: eax: f2d8bef4 ebx: 80052c00 ecx: f2d8bef8 edx: 00000ef8
Sep 10 17:22:32 mudlark kernel: esi: f2d3164c edi: f2d8b000 ebp: c18ff680 esp: f2e95cfc
Sep 10 17:22:33 mudlark kernel: ds: 007b es: 007b ss: 0068
Sep 10 17:22:34 mudlark kernel: Stack: c18ff680 f2d8b000 00000000 00000246 32d8b000 c18ff680 c1903054 f2d8bef8
Sep 10 17:22:34 mudlark kernel: 00000282 c013a185 c18ff680 f2d8bef8 c01b2a6d 00000000 f2d8bef8 f2d8bfe5
Sep 10 17:22:34 mudlark kernel: f2d8bef8 c01b2a6d f2d8bef8 00000041 00000800 f2fafec0 00000005 0000001f
Sep 10 17:22:34 mudlark kernel: Call Trace:
Sep 10 17:22:34 mudlark kernel: [<c013a185>] kfree+0x59/0x9b
Sep 10 17:22:34 mudlark kernel: [<c01b2a6d>] parse_rock_ridge_inode_internal+0x1c9/0x654
Sep 10 17:22:34 mudlark kernel: [<c01b2a6d>] parse_rock_ridge_inode_internal+0x1c9/0x654
Sep 10 17:22:34 mudlark kernel: [<c01b3090>] parse_rock_ridge_inode+0x27/0x67
Sep 10 17:22:34 mudlark kernel: [<c01b1ad6>] isofs_read_inode+0x283/0x3f7
Sep 10 17:22:34 mudlark kernel: [<c01b1d0c>] isofs_iget+0x71/0x7b
Sep 10 17:22:34 mudlark kernel: [<c01b1c4a>] isofs_iget5_test+0x0/0x3b
Sep 10 17:22:34 mudlark kernel: [<c01b1c85>] isofs_iget5_set+0x0/0x16
Sep 10 17:22:34 mudlark kernel: [<c01b0e83>] isofs_fill_super+0x3f0/0x6bb
Sep 10 17:22:34 mudlark kernel: [<c0139db1>] kmem_cache_alloc+0x60/0x86
Sep 10 17:22:34 mudlark kernel: [<c0155795>] sb_set_blocksize+0x2e/0x5d
Sep 10 17:22:34 mudlark kernel: [<c01551f8>] get_sb_bdev+0x103/0x135
Sep 10 17:22:34 mudlark kernel: [<c0169670>] alloc_vfsmnt+0x90/0xc7
Sep 10 17:22:35 mudlark kernel: [<c01b1d45>] isofs_get_sb+0x2f/0x36
Sep 10 17:22:35 mudlark kernel: [<c01b0a93>] isofs_fill_super+0x0/0x6bb
Sep 10 17:22:35 mudlark kernel: [<c0155418>] do_kern_mount+0x57/0xd1
Sep 10 17:22:35 mudlark kernel: [<c016a808>] do_new_mount+0x9c/0xe1
Sep 10 17:22:35 mudlark kernel: [<c016aece>] do_mount+0x145/0x194
Sep 10 17:22:35 mudlark kernel: [<c0139db1>] kmem_cache_alloc+0x60/0x86
Sep 10 17:22:35 mudlark kernel: [<c016ad30>] copy_mount_options+0x63/0xbc
Sep 10 17:22:35 mudlark kernel: [<c016b2ae>] sys_mount+0xb9/0x125
Sep 10 17:22:35 mudlark kernel: [<c0103fad>] sysenter_past_esp+0x52/0x71
Sep 10 17:22:35 mudlark kernel: Code: e9 03 ff ff ff 89 7c 24 04 89 2c 24 e8 86 e4 ff ff 8b 54 24 30 89 10 8b 5d 38 e9 d2 fe ff ff 89 7c 24 04 89 2c 24 e8 0f e4 ff ff <81> 38 a5 c2 0f 17 74 7a c7 44 24 08 fc 18 39 c0 89 6c 24 04 c7
>>EIP; c013957f <cache_free_debugcheck+207/2a3> <=====
>>eax; f2d8bef4 <pg0+328b9ef4/3fb2c400>
>>ecx; f2d8bef8 <pg0+328b9ef8/3fb2c400>
>>esi; f2d3164c <pg0+3285f64c/3fb2c400>
>>edi; f2d8b000 <pg0+328b9000/3fb2c400>
>>ebp; c18ff680 <pg0+142d680/3fb2c400>
>>esp; f2e95cfc <pg0+329c3cfc/3fb2c400>
Trace; c013a185 <kfree+59/9b>
Trace; c01b2a6d <parse_rock_ridge_inode_internal+1c9/654>
Trace; c01b2a6d <parse_rock_ridge_inode_internal+1c9/654>
Trace; c01b3090 <parse_rock_ridge_inode+27/67>
Trace; c01b1ad6 <isofs_read_inode+283/3f7>
Trace; c01b1d0c <isofs_iget+71/7b>
Trace; c01b1c4a <isofs_iget5_test+0/3b>
Trace; c01b1c85 <isofs_iget5_set+0/16>
Trace; c01b0e83 <isofs_fill_super+3f0/6bb>
Trace; c0139db1 <kmem_cache_alloc+60/86>
Trace; c0155795 <sb_set_blocksize+2e/5d>
Trace; c01551f8 <get_sb_bdev+103/135>
Trace; c0169670 <alloc_vfsmnt+90/c7>
Trace; c01b1d45 <isofs_get_sb+2f/36>
Trace; c01b0a93 <isofs_fill_super+0/6bb>
Trace; c0155418 <do_kern_mount+57/d1>
Trace; c016a808 <do_new_mount+9c/e1>
Trace; c016aece <do_mount+145/194>
Trace; c0139db1 <kmem_cache_alloc+60/86>
Trace; c016ad30 <copy_mount_options+63/bc>
Trace; c016b2ae <sys_mount+b9/125>
Trace; c0103fad <sysenter_past_esp+52/71>
Code; c0139554 <cache_free_debugcheck+1dc/2a3>
00000000 <_EIP>:
Code; c0139554 <cache_free_debugcheck+1dc/2a3>
0: e9 03 ff ff ff jmp ffffff08 <_EIP+0xffffff08>
Code; c0139559 <cache_free_debugcheck+1e1/2a3>
5: 89 7c 24 04 mov %edi,0x4(%esp)
Code; c013955d <cache_free_debugcheck+1e5/2a3>
9: 89 2c 24 mov %ebp,(%esp)
Code; c0139560 <cache_free_debugcheck+1e8/2a3>
c: e8 86 e4 ff ff call ffffe497 <_EIP+0xffffe497>
Code; c0139565 <cache_free_debugcheck+1ed/2a3>
11: 8b 54 24 30 mov 0x30(%esp),%edx
Code; c0139569 <cache_free_debugcheck+1f1/2a3>
15: 89 10 mov %edx,(%eax)
Code; c013956b <cache_free_debugcheck+1f3/2a3>
17: 8b 5d 38 mov 0x38(%ebp),%ebx
Code; c013956e <cache_free_debugcheck+1f6/2a3>
1a: e9 d2 fe ff ff jmp fffffef1 <_EIP+0xfffffef1>
Code; c0139573 <cache_free_debugcheck+1fb/2a3>
1f: 89 7c 24 04 mov %edi,0x4(%esp)
Code; c0139577 <cache_free_debugcheck+1ff/2a3>
23: 89 2c 24 mov %ebp,(%esp)
Code; c013957a <cache_free_debugcheck+202/2a3>
26: e8 0f e4 ff ff call ffffe43a <_EIP+0xffffe43a>
Code; c013957f <cache_free_debugcheck+207/2a3> <=====
2b: 81 38 a5 c2 0f 17 cmpl $0x170fc2a5,(%eax) <=====
Code; c0139585 <cache_free_debugcheck+20d/2a3>
31: 74 7a je ad <_EIP+0xad>
Code; c0139587 <cache_free_debugcheck+20f/2a3>
33: c7 44 24 08 fc 18 39 movl $0xc03918fc,0x8(%esp)
Code; c013958e <cache_free_debugcheck+216/2a3>
3a: c0
Code; c013958f <cache_free_debugcheck+217/2a3>
3b: 89 6c 24 04 mov %ebp,0x4(%esp)
Code; c0139593 <cache_free_debugcheck+21b/2a3>
3f: c7 .byte 0xc7
1 error issued. Results may not be reliable.
next prev parent reply other threads:[~2004-09-10 7:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-09 0:54 [2.6.9-rc1-bk14 Oops] In groups_search() Peter Williams
2004-09-09 8:06 ` Andrew Morton
2004-09-09 23:58 ` Peter Williams
2004-09-10 0:14 ` Andrew Morton
2004-09-10 1:53 ` Peter Williams
2004-09-10 3:06 ` Andrew Morton
2004-09-10 5:45 ` Peter Williams
2004-09-10 6:18 ` Andrew Morton
2004-09-10 6:28 ` Peter Williams
2004-09-10 6:37 ` Tim Hockin
2004-09-10 7:05 ` Peter Williams
2004-09-10 6:52 ` Andrew Morton
2004-09-10 7:43 ` Peter Williams [this message]
2004-09-10 7:49 ` Andrew Morton
2004-09-10 7:54 ` Andrew Morton
2004-09-10 8:13 ` Peter Williams
2004-09-10 8:46 ` Peter Williams
2004-09-10 8:54 ` Andrew Morton
2004-09-10 10:55 ` Peter Williams
2004-09-10 13:04 ` Peter Williams
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