Messages in this thread | | | Date | Sat, 07 Jan 2006 12:37:04 -0500 | From | JANAK DESAI <> | Subject | Re: Oops with 2.6.15-mm1 |
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Andrew Morton wrote:
>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... > > > > Thanks. I am investigating the problem now and will send updated patches as soon as I fix the problem. I am also writing up detailed justification, design considerations and test plan. I will include it in the patch set as well.
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