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SubjectRe: 2.6.9-mm1
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Date
On Fri, 2004-10-22 at 12:20, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9/2.6.9-mm1/
>
> - Lots of new patches.

Two different boxes, hits when running the ltp tests'./runltp -x 4'. El
problemo is that it doesn't happen when running it as a normal user.
Both are with ltp-full-20041007, how well is this trusted?

Even worse, when I throw in CONFIG_SLAB_DEBUG & CONFIG_DEBUG_PAGEALLOC
the errors seem to go away, bleh, why do I always end up with these
weird errors.

Anything I can do to provide more info? I'm clueless on fs-debugging.


Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c016d77c
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c016d77c>] Not tainted VLI
EFLAGS: 00010203 (2.6.9-mm1)
EIP is at dio_cleanup+0x1c/0x60
eax: 00000000 ebx: cf12f200 ecx: 00000000 edx: 00000000
esi: cf12f200 edi: 00000000 ebp: 00000000 esp: c8fcfcd0
ds: 007b es: 007b ss: 0068
Process diotest4 (pid: 13094, threadinfo=c8fcf000 task=c583b020)
Stack: 00000000 c016e59f c0196c49 c0b7d95c 00000000 00000000 00c4f000 00000000
cbad54fc c8fcfef0 00000001 cf12f200 00000000 08051000 0000000c c016ea7c
c8fcfeb0 00c4f000 00000000 00000001 0000000c c01832d0 00000000 cf12f200
Call Trace:
[<c016e59f>] direct_io_worker+0x2cf/0x5c0
[<c0196c49>] journal_put_journal_head+0x39/0xb0
[<c016ea7c>] __blockdev_direct_IO+0x1ec/0x2d6
[<c01832d0>] ext3_direct_io_get_blocks+0x0/0xe0
[<c01841f9>] ext3_direct_IO+0xc9/0x230
[<c01832d0>] ext3_direct_io_get_blocks+0x0/0xe0
[<c0132604>] generic_file_direct_IO+0x74/0x90
[<c01316f6>] generic_file_direct_write+0x76/0x180
[<c0131ff8>] generic_file_aio_write_nolock+0x298/0x480
[<c01060d8>] do_IRQ+0x58/0x80
[<c0132310>] generic_file_aio_write+0x70/0xe0
[<c0181440>] ext3_file_write+0x30/0xb0
[<c014c941>] do_sync_write+0xa1/0xe0
[<c011240a>] do_page_fault+0x19a/0x5aa
[<c0113951>] finish_task_switch+0x31/0x90
[<c0129d80>] autoremove_wake_function+0x0/0x50
[<c0104708>] common_interrupt+0x18/0x20
[<c0113951>] finish_task_switch+0x31/0x90
[<c014ca30>] vfs_write+0xb0/0x100
[<c014d7e3>] fget_light+0x3/0xa0
[<c014cb47>] sys_write+0x47/0x80
[<c0103d9b>] syscall_call+0x7/0xb
Code: fe ff 8b 46 08 eb d1 e8 e3 5c 10 00 eb b9 90 53 89 c3 8b 80 9c 01 00 00 3b 83 98 01 00 00 75 02 5b c3 89 d8 e8 56 fc ff ff 89 c2 <8b> 00 f6 c4 08 75 11 8b 42 04 40 74 24 83 42 04 ff 0f 98 c0 84

Unable to handle kernel paging request at virtual address 47ce20ac
printing eip:
c016d3e1
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c016d3e1>] Not tainted VLI
EFLAGS: 00010286 (2.6.9-mm1)
EIP is at dio_get_page+0x11/0x50
eax: 61048c05 ebx: c3bbf000 ecx: 00000000 edx: 00000001
esi: c3bbf000 edi: 00000000 ebp: 00000000 esp: c61e6cc8
ds: 007b es: 007b ss: 0068
Process diotest1 (pid: 4564, threadinfo=c61e6000 task=c5897020)
Stack: c3bbf000 c016d77a 00000000 c016e59f c0196c49 d7cfa44c 00000000 00000000
00000000 00000000 def1f84c c61e6ef0 00000001 c3bbf000 00000000 08050000
0000000c c016ea7c c61e6eb0 00000000 00000000 00000001 0000000c c01832d0
Call Trace:
[<c016d77a>] dio_cleanup+0x1a/0x60
[<c016e59f>] direct_io_worker+0x2cf/0x5c0
[<c0196c49>] journal_put_journal_head+0x39/0xb0
[<c016ea7c>] __blockdev_direct_IO+0x1ec/0x2d6
[<c01832d0>] ext3_direct_io_get_blocks+0x0/0xe0
[<c01841f9>] ext3_direct_IO+0xc9/0x230
[<c01832d0>] ext3_direct_io_get_blocks+0x0/0xe0
[<c0132604>] generic_file_direct_IO+0x74/0x90
[<c01316f6>] generic_file_direct_write+0x76/0x180
[<c0131ff8>] generic_file_aio_write_nolock+0x298/0x480
[<c0132310>] generic_file_aio_write+0x70/0xe0
[<c0181440>] ext3_file_write+0x30/0xb0
[<c014c941>] do_sync_write+0xa1/0xe0
[<c011240a>] do_page_fault+0x19a/0x5aa
[<c0140481>] vma_merge+0x121/0x190
[<c0129d80>] autoremove_wake_function+0x0/0x50
[<c0141885>] do_brk+0x175/0x230
[<c0113951>] finish_task_switch+0x31/0x90
[<c014ca30>] vfs_write+0xb0/0x100
[<c014cb47>] sys_write+0x47/0x80
[<c0103d9b>] syscall_call+0x7/0xb
Code: 9c 01 00 00 01 00 00 00 c7 85 98 01 00 00 00 00 00 00 89 85 98 00 00 00 eb 9f 53 89 c3 8b 80 98 01 00 00 39 83 9c 01 00 00 74 12 <8b> 94 83 98 00 00 00 40 89 83 98 01 00 00 89 d0 5b c3 89 d8 e8

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