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Message-ID: <20081116140421.644e9ab2@neptune.home> Date: Sun, 16 Nov 2008 14:04:21 +0100 From: Bruno Prémont <bonbons@...ux-vserver.org> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Linux 2.6.28-rc5 On Sat, 15 November 2008 Linus Torvalds wrote: > > Hmm.. No clear pattern here, mostly random fixes, along with some > file movement in the Documentation/ subdirectory. Bulk-wise, that's > the biggest part if you see it as a traditional diff (because of the > delete/create pairs), but with rename detection on the Doc patches > are only about 10% of the changes. > > The rest tends to be the ppc def_config updates (15%), and then > random driver updates (65% - mostly due to some new hwmon and rtc > drivers and the c2port driver). > > But in number of commits, most of them are really just random small > changes all over. ACPI, DM, USB, V4L, ocfs.. Nothing really strikes > me as standing out, but if I had to pick something, then the ACPI > update in particular hopefully fixes a few regressions. Along with > disabling tick_nohz_kick_tick. With rc-5 I get the following trace while running acpitool, error which did not happen on rc3-git6: [ 49.311377] Oops: 0000 [#1] [ 49.311569] last sysfs file: /sys/module/acpi/parameters/acpica_version [ 49.311707] Modules linked in: snd_hda_intel snd_pcm snd_timer snd soundcore snd_page_alloc sg via_agp agpgart [ 49.312438] [ 49.312552] Pid: 1823, comm: acpitool Not tainted (2.6.28-rc5 #1) CX700+W697HG [ 49.312736] EIP: 0060:[<c0292d22>] EFLAGS: 00010286 CPU: 0 [ 49.312880] EIP is at acpi_system_wakeup_device_seq_show+0x96/0xdc [ 49.313019] EAX: 00000000 EBX: f7114400 ECX: f17cf03b EDX: 0000003b [ 49.313158] ESI: f7114418 EDI: f7031800 EBP: f3418f18 ESP: f3418f00 [ 49.313296] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 [ 49.313431] Process acpitool (pid: 1823, ti=f3418000 task=f71cca20 task.ti=f3418000) [ 49.313610] Stack: [ 49.313718] f703188c f69f46c0 f7119018 f712c600 f69f46c0 00000001 f3418f54 c0181146 [ 49.314240] 00001fff 095be170 f6928580 f69f46e0 00000000 00000000 00000000 f69ba9e0 [ 49.314901] 00000000 00000000 f712c600 c0181090 fffffffb f3418f70 c019bebf f3418f9c [ 49.315797] Call Trace: [ 49.315908] [<c0181146>] ? seq_read+0xb6/0x2d0 [ 49.316097] [<c0181090>] ? seq_read+0x0/0x2d0 [ 49.316279] [<c019bebf>] ? proc_reg_read+0x3f/0x60 [ 49.316468] [<c016c9a0>] ? vfs_read+0x90/0x110 [ 49.316659] [<c019be80>] ? proc_reg_read+0x0/0x60 [ 49.316846] [<c016ce8d>] ? sys_read+0x3d/0x70 [ 49.317034] [<c0103bc1>] ? sysenter_do_call+0x12/0x25 [ 49.317227] Code: ff b3 8c 01 00 00 8d 46 18 50 68 a2 fb 4b c0 ff 75 ec e8 e2 dc ee ff 83 c4 18 85 ff 74 1f 8d 87 8c 00 00 00 50 8b 87 b8 00 00 00 <ff> 30 68 b4 fb 4b c0 ff 75 ec e8 bf dc ee ff 83 c4 10 68 3d 79 [ 49.320020] EIP: [<c0292d22>] acpi_system_wakeup_device_seq_show+0x96/0xdc SS:ESP 0068:f3418f00 [ 49.321475] ---[ end trace 86a9b6669d58e134 ]--- [ 49.343939] BUG: unable to handle kernel NULL pointer dereference at 00000000 [ 49.344244] IP: [<c0292d22>] acpi_system_wakeup_device_seq_show+0x96/0xdc [ 49.344478] *pde = 00000000 [ 49.344665] Oops: 0000 [#2] [ 49.344831] last sysfs file: /sys/module/acpi/parameters/acpica_version [ 49.344967] Modules linked in: snd_hda_intel snd_pcm snd_timer snd soundcore snd_page_alloc sg via_agp agpgart [ 49.345696] [ 49.345813] Pid: 1825, comm: acpitool Tainted: G D (2.6.28-rc5 #1) CX700+W697HG [ 49.346001] EIP: 0060:[<c0292d22>] EFLAGS: 00010286 CPU: 0 [ 49.346144] EIP is at acpi_system_wakeup_device_seq_show+0x96/0xdc [ 49.346283] EAX: 00000000 EBX: f7114400 ECX: f17cf03b EDX: 0000003b [ 49.346422] ESI: f7114418 EDI: f7031800 EBP: f341df18 ESP: f341df00 [ 49.346560] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 [ 49.346695] Process acpitool (pid: 1825, ti=f341d000 task=f71cd0e0 task.ti=f341d000) [ 49.346873] Stack: [ 49.346982] f703188c f69f4e40 f7119018 f712c600 f69f4e40 00000001 f341df54 c0181146 [ 49.347499] 00001fff 084ce170 f6928280 f69f4e60 00000000 00000000 00000000 f69baa40 [ 49.348163] 00000000 00000000 f712c600 c0181090 fffffffb f341df70 c019bebf f341df9c [ 49.349047] Call Trace: [ 49.349158] [<c0181146>] ? seq_read+0xb6/0x2d0 [ 49.349347] [<c0181090>] ? seq_read+0x0/0x2d0 [ 49.349528] [<c019bebf>] ? proc_reg_read+0x3f/0x60 [ 49.349718] [<c016c9a0>] ? vfs_read+0x90/0x110 [ 49.349908] [<c019be80>] ? proc_reg_read+0x0/0x60 [ 49.350035] [<c016ce8d>] ? sys_read+0x3d/0x70 [ 49.350035] [<c0103bc1>] ? sysenter_do_call+0x12/0x25 [ 49.350035] Code: ff b3 8c 01 00 00 8d 46 18 50 68 a2 fb 4b c0 ff 75 ec e8 e2 dc ee ff 83 c4 18 85 ff 74 1f 8d 87 8c 00 00 00 50 8b 87 b8 00 00 00 <ff> 30 68 b4 fb 4b c0 ff 75 ec e8 bf dc ee ff 83 c4 10 68 3d 79 [ 49.350035] EIP: [<c0292d22>] acpi_system_wakeup_device_seq_show+0x96/0xdc SS:ESP 0068:f341df00 [ 49.354712] ---[ end trace 86a9b6669d58e134 ]--- The following change is guilty on my machine (though I could not find the matching commit on git.kernel.org :( ) Reverting the change below makes the error go away. Bruno --- --- linux-2.6.28-rc3-git6/drivers/acpi/sleep/proc.c 2008-11-09 11:53:21.000000000 +0100 +++ linux-2.6.28-rc5/drivers/acpi/sleep/proc.c 2008-11-16 12:14:57.000000000 +0100 @@ -366,8 +366,8 @@ acpi_system_wakeup_device_seq_show(struc dev->wakeup.state.enabled ? "enabled" : "disabled"); if (ldev) seq_printf(seq, "%s:%s", - ldev->bus ? ldev->bus->name : "no-bus", - ldev->bus_id); + dev_name(ldev) ? ldev->bus->name : "no-bus", + dev_name(ldev)); seq_printf(seq, "\n"); put_device(ldev); -- 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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