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Date: Sun, 10 Sep 2006 12:22:54 +0200 From: Magnus Määttä <novell@...una.se> To: Andrew Morton <akpm@...l.org> Cc: linux-kernel@...r.kernel.org, Neil Brown <neilb@....unsw.edu.au> Subject: Re: 2.6.18-rc6-mm1 On Sunday 10 September 2006 07:35, Andrew Morton wrote: > On Sun, 10 Sep 2006 02:37:51 +0200 > Magnus Määttä <novell@...una.se> wrote: > > > > > EIP: 0060:[<c04ad300>] Tainted: P VLI > > > > > > What caused the taint? > > > > I was pretty sure it was listed somewhere, but I guess it wasn't. > > nvidia graphics module, I can try without it tomorrow if needed. > > > > That would be appreciated thanks. > > But first you'd need to ensure that it's a repeatable oops. If > it's not, the removing the nvidia driver won't tell us if the nvidia > driver caused it. (It almost certainly didn't). Forgot to mention that I had this (well, I'm not 100% it was exactly the same) oops with 2.6.18-rc5-mm1. Here is the oops with an untainted kernel: [ 161.078154] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 161.104908] printing eip: [ 161.133157] c04ad300 [ 161.158755] *pde = 00000000 [ 161.186042] Oops: 0000 [#2] [ 161.212933] 4K_STACKS PREEMPT [ 161.240791] last sysfs file: /class/input/input1/name [ 161.274954] Modules linked in: snd_seq_midi snd_seq_oss ipaq usbserial eeprom snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm snd_seq_device snd_page_alloc snd_util_mem snd_hwdep psmouse [ 161.428307] CPU: 0 [ 161.428308] EIP: 0060:[<c04ad300>] Not tainted VLI [ 161.428310] EFLAGS: 00010216 (2.6.18-rc6-mm1 #1) [ 161.531660] EIP is at svc_process+0x40/0x6a0 [ 161.566957] eax: 00000000 ebx: eaf8c000 ecx: 00000000 edx: ead74d40 [ 161.610544] esi: eaf8c070 edi: ffff5225 ebp: eaf93fb0 esp: eaf93f70 [ 161.654260] ds: 007b es: 007b ss: 0068 [ 161.689932] Process nfsd (pid: 4655, ti=eaf93000 task=eaf9caa0 task.ti=eaf93000) [ 161.712308] Stack: 00000046 eeedefe0 00000001 eeedefc4 00000000 eaf93f9c c04eaa1b eeedefc4 [ 161.762411] 00000001 ead74d40 eaf8c04c eaf93fb0 c012d70b 00000000 ffff5226 ffff5225 [ 161.812643] eaf93fe0 c02784ba eaf8c000 eaf93fc4 00000000 fffffeff ffffffff fffffef8 [ 161.862772] Call Trace: [ 161.917732] [<c01041bf>] show_trace_log_lvl+0x2f/0x50 [ 161.956879] [<c01042a7>] show_stack_log_lvl+0x97/0xc0 [ 161.995482] [<c0104532>] show_registers+0x1f2/0x2a0 [ 162.033228] [<c01047dd>] die+0x12d/0x240 [ 162.067860] [<c011735c>] do_page_fault+0x3ac/0x650 [ 162.104983] [<c04eaeef>] error_code+0x3f/0x44 [ 162.140705] [<c02784ba>] nfsd+0x18a/0x2b0 [ 162.175232] [<c0103fb7>] kernel_thread_helper+0x7/0x10 [ 162.213210] ======================= [ 162.246050] Code: 89 45 e8 8b 52 28 83 c6 70 89 55 e4 8b 40 04 83 f8 17 0f 86 6d 04 00 00 8b 5d 08 8b 83 9c 04 00 00 c7 83 a0 04 00 00 01 00 00 00 <8b> 00 89 04 24 e8 06 d4 ca ff c7 46 04 00 00 00 00 89 c1 89 43 [ 162.354045] EIP: [<c04ad300>] svc_process+0x40/0x6a0 SS:ESP 0068:eaf93f70 And oops #1 just in case it's not unrelated (and the BUG just after it): [ 105.928488] BUG: unable to handle kernel paging request at virtual address b79505a0 [ 105.928503] printing eip: [ 105.928506] c013d14c [ 105.928509] *pde = 2d268067 [ 105.928511] *pte = 00000000 [ 105.928518] Oops: 0000 [#1] [ 105.952628] 4K_STACKS PREEMPT [ 105.977498] last sysfs file: /class/input/input1/name [ 106.008548] Modules linked in: snd_seq_midi snd_seq_oss ipaq usbserial eeprom snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm snd_seq_device snd_page_alloc snd_util_mem snd_hwdep psmouse [ 106.150657] CPU: 0 [ 106.150658] EIP: 0060:[<c013d14c>] Not tainted VLI [ 106.150660] EFLAGS: 00010002 (2.6.18-rc6-mm1 #1) [ 106.241322] EIP is at trace_hardirqs_on+0x1c/0x150 [ 106.273081] eax: 00000001 ebx: b794fba0 ecx: b794f2e0 edx: b7f61410 [ 106.310907] esi: 00000008 edi: b7c08ff4 ebp: eee0dfa4 esp: eee0df8c [ 106.348781] ds: 007b es: 007b ss: 0068 [ 106.378378] Process icecast (pid: 4446, ti=eee0d000 task=ee9d0050 task.ti=eee0d000) [ 106.401560] Stack: eee0df9c 00000046 00000000 00000000 00000000 00000008 00000000 c01033ba [ 106.445119] b7f61410 b794f2e0 00000000 00000000 b794f3b0 00000000 00000008 b7c08ff4 [ 106.489043] b794f388 00000000 0000007b 0000007b 00000033 000000af b7f61410 00000073 [ 106.533124] Call Trace: [ 106.576870] [<c01041bf>] show_trace_log_lvl+0x2f/0x50 [ 106.610486] [<c01042a7>] show_stack_log_lvl+0x97/0xc0 [ 106.643976] [<c0104532>] show_registers+0x1f2/0x2a0 [ 106.676895] [<c01047dd>] die+0x12d/0x240 [ 106.707110] [<c011735c>] do_page_fault+0x3ac/0x650 [ 106.740133] [<c04eaeef>] error_code+0x3f/0x44 [ 106.771908] [<c01033ba>] sysenter_past_esp+0x93/0x99 [ 106.805629] ======================= [ 106.834887] Code: c7 05 94 9a 8b c0 01 00 00 00 89 e5 c9 c3 90 55 89 e5 56 53 83 ec 10 a1 a0 29 63 c0 65 8b 1d 00 00 00 00 85 c0 0f 84 89 00 00 00 <8b> b3 00 0a 00 00 85 f6 75 7f 8b 0d 94 9a 8b c0 85 c9 0f 84 96 [ 106.978502] <3>BUG: sleeping function called from invalid context at kernel/rwsem.c:20 [ 107.023854] in_atomic():0, irqs_disabled():1 [ 107.058071] [<c01041bf>] show_trace_log_lvl+0x2f/0x50 [ 107.095140] [<c0104207>] show_trace+0x27/0x30 [ 107.129851] [<c0104334>] dump_stack+0x24/0x30 [ 107.164377] [<c011d442>] __might_sleep+0xa2/0xc0 [ 107.199995] [<c013949e>] down_read+0x1e/0x60 [ 107.234807] [<c012e9b7>] blocking_notifier_call_chain+0x17/0x50 [ 107.275150] [<c0121881>] profile_task_exit+0x21/0x30 [ 107.312713] [<c012327b>] do_exit+0x1b/0x520 [ 107.348071] [<c01048e5>] die+0x235/0x240 [ 107.382754] [<c011735c>] do_page_fault+0x3ac/0x650 [ 107.419931] [<c04eaeef>] error_code+0x3f/0x44 [ 107.455575] [<c01033ba>] sysenter_past_esp+0x93/0x99 [ 107.492825] ======================= - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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