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SubjectRe: Oops with 2.6.15-mm1
simon schuler <simon.schuler@gmx.net> wrote:
>
> I'm getting an oops sometimes (about 70% probability) when I try to
> start a wine application.
> last working kernel version: 2.6.15-rc5-mm1
> not working: 2.6.15-mm1, 2.6.15-rc5-mm3
> not tested: 2.6.15-rc5-mm2
>
> .config is attached.
> I don't know if this is a known issue...
> If you need more information, let me know.
>
> Unable to handle kernel NULL pointer dereference at virtual address 00000004
> printing eip:
> c0118755
> *pde = 00000000
> Oops: 0000 [#1]
> last sysfs file: /class/vc/vcsa1/dev
> Modules linked in:
> CPU: 0
> EIP: 0060:[<c0118755>] Not tainted VLI
> EFLAGS: 00210282 (2.6.15-mm1)
> EIP is at dup_fd+0x25/0x290
> eax: eff40c20 ebx: eff40c28 ecx: eff40c20 edx: eff40c58
> esi: ead0e000 edi: 00000000 ebp: eff7aaa0 esp: ead0fe48
> ds: 007b es: 007b ss: 0068
> Process wine (pid: 769, threadinfo=ead0e000 task=eb468ab0)
> Stack: <0>00000000 ebbe8854 00000001 ec1abd0c eff40c20 c015b937 ec1abd0c
> 00000001
> <0>00000000 eb468ab0 ead0e000 c0423ebe eff7aaa0 c0118a1c eb468ab0
> ead0fe88
> <0>fffffff4 eff40ce0 c0118a73 00000000 eb468ab0 00000060 ead0e000
> c01867e4
> Call Trace:
> [<c015b937>] vfs_read+0x127/0x190
> [<c0118a1c>] copy_files+0x5c/0x80
> [<c0118a73>] unshare_files+0x33/0x70
> [<c01867e4>] load_elf_binary+0x174/0xe10
> [<c014102f>] get_page_from_freelist+0x7f/0xd0
> [<c0259d0f>] copy_from_user+0x3f/0xa0
> [<c0259d0f>] copy_from_user+0x3f/0xa0
> [<c0166063>] copy_strings+0x163/0x230
> [<c0167160>] search_binary_handler+0x50/0x180
> [<c0167414>] do_execve+0x184/0x220
> [<c0101c4c>] sys_execve+0x3c/0x80
> [<c010300b>] sysenter_past_esp+0x54/0x75
> Code: bc 27 00 00 00 00 55 57 56 53 83 ec 24 8b 44 24 38 8b b8 64 04 00
> 00 e8 6a ff ff ff 85 c0 89 44 24 10 0f 84 b6 01 00 00 8b 58 04 <8b> 77
> 04 89 34 24 e8 d0 fe ff ff 89 44 24 18 31 c0 8b 54 24 18
>

OK, thanks. It looks like a problem in the new unsharing code...
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