On Mon, 2009-09-07 at 00:52 +0200, Frederic Weisbecker wrote: > On Mon, Sep 07, 2009 at 12:05:51AM +0300, Maxim Levitsky wrote: > > I have noticed that sometimes keyboard input would stop working, and > > system will refuse to do many things. > > > > I tried to ssh to this system, but again after a login I can't type a > > thing. > > > > Then I realized that I can run a program via ssh, so I did run the > > dmesg, and here important parts of it: > > > > > > > > > > [ 79.101221] ACPI Error (dswload-0790): [_T_0] Namespace lookup failure, AE_ALREADY_EXISTS > > [ 79.101232] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog 20090521 psloop-227 > > [ 79.101240] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.WMID.WMBA] (Node ffff88007f8400c0), AE_ALREADY_EXISTS > > [ 79.101254] ACPI: Marking method WMBA as Serialized because of AE_ALREADY_EXISTS error > > > > Is very likely due to acer-wmi module I use to control brightness. > > > > > > Then it bugs out with this: > > > > [ 79.101221] ACPI Error (dswload-0790): [_T_0] Namespace lookup failure, AE_ALREADY_EXISTS > > [ 79.101232] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog 20090521 psloop-227 > > [ 79.101240] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.WMID.WMBA] (Node ffff88007f8400c0), AE_ALREADY_EXISTS > > [ 79.101254] ACPI: Marking method WMBA as Serialized because of AE_ALREADY_EXISTS error > > [ 134.543609] No probe response from AP 00:1b:9e:d8:77:02 after 500ms, try 1 > > [ 240.702553] INFO: task events/0:10 blocked for more than 120 seconds. > > [ 240.702561] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > [ 240.702566] events/0 D ffff880002073980 0 10 2 0x00000000 > > [ 240.702578] BUG: using smp_processor_id() in preemptible [00000000] code: khungtaskd/275 > > [ 240.702589] caller is show_stack_log_lvl+0x29/0x160 > > [ 240.702596] Pid: 275, comm: khungtaskd Tainted: P 2.6.31-rc8-wl #105 > > [ 240.702600] Call Trace: > > [ 240.702612] [<ffffffff811f5a8d>] debug_smp_processor_id+0xdd/0xe0 > > [ 240.702619] [<ffffffff8100f3b9>] show_stack_log_lvl+0x29/0x160 > > [ 240.702627] [<ffffffff81010ba7>] show_stack+0x17/0x20 > > [ 240.702635] [<ffffffff81040315>] sched_show_task+0x95/0x100 > > [ 240.702644] [<ffffffff8108eea1>] watchdog+0x211/0x240 > > [ 240.702651] [<ffffffff8108ec90>] ? watchdog+0x0/0x240 > > [ 240.702659] [<ffffffff81061c56>] kthread+0xa6/0xc0 > > [ 240.702667] [<ffffffff8100d05a>] child_rip+0xa/0x20 > > [ 240.702676] [<ffffffff8100c9c0>] ? restore_args+0x0/0x30 > > [ 240.702683] [<ffffffff81061bb0>] ? kthread+0x0/0xc0 > > [ 240.702689] [<ffffffff8100d050>] ? child_rip+0x0/0x20 > > [ 240.702694] ffff88007f8a39d0 0000000000000046 000000007f8a3910 ffff880002070380 > > [ 240.702705] 0000000000013980 000000000000ef28 0000000000000000 ffff88007f893ee0 > > [ 240.702715] ffff8800673d1f70 ffff88007f894260 000000007f8a3950 ffffffff8125d19d > > [ 240.702726] Call Trace: > > [ 240.702735] [<ffffffff8125d19d>] ? acpi_ut_validate_exception+0x10/0xa2 > > [ 240.702742] [<ffffffff8125bbd8>] ? acpi_ut_status_exit+0x6f/0x84 > > [ 240.702752] [<ffffffff813b470d>] schedule_timeout+0x1ad/0x1e0 > > [ 240.702760] [<ffffffff813b5e1d>] __down_timeout+0x6d/0xb0 > > [ 240.702768] [<ffffffff81066cef>] ? down_timeout+0x1f/0x60 > > [ 240.702775] [<ffffffff81066d28>] down_timeout+0x58/0x60 > > [ 240.702783] [<ffffffff81228be0>] acpi_os_wait_semaphore+0x95/0x132 > > [ 240.702790] [<ffffffff8125bc1e>] ? acpi_ut_exit+0x31/0x39 > > [ 240.702799] [<ffffffff812473ae>] acpi_ex_system_wait_mutex+0x84/0xed > > [ 240.702807] [<ffffffff81237cfc>] acpi_ds_begin_method_execution+0x184/0x271 > > [ 240.702816] [<ffffffff81257010>] acpi_ps_execute_method+0x77/0x3d3 > > [ 240.702823] [<ffffffff8125bc1e>] ? acpi_ut_exit+0x31/0x39 > > [ 240.702830] [<ffffffff8125066e>] acpi_ns_evaluate+0x236/0x3bc > > [ 240.702838] [<ffffffff8124fb27>] acpi_evaluate_object+0x265/0x3cc > > [ 240.702861] [<ffffffffa09c56fa>] wmi_evaluate_method+0x10a/0x130 [wmi] > > [ 240.702869] [<ffffffff81040956>] ? finish_task_switch+0x46/0x120 > > [ 240.702877] [<ffffffff813b3c9c>] ? thread_return+0x9f/0x723 > > [ 240.702889] [<ffffffffa0a9d7d0>] ? acer_rfkill_update+0x0/0xa0 [acer_wmi] > > [ 240.702899] [<ffffffffa0a9d17c>] WMI_execute_u32+0x4c/0x90 [acer_wmi] > > [ 240.702911] [<ffffffffa0a9d620>] get_u32+0x90/0x100 [acer_wmi] > > [ 240.702918] [<ffffffff8105d19a>] ? worker_thread+0x1ca/0x390 > > [ 240.702928] [<ffffffffa0a9d7ea>] acer_rfkill_update+0x1a/0xa0 [acer_wmi] > > [ 240.702936] [<ffffffff8105d1ed>] worker_thread+0x21d/0x390 > > [ 240.702943] [<ffffffff8105d19a>] ? worker_thread+0x1ca/0x390 > > [ 240.702951] [<ffffffff810620e0>] ? autoremove_wake_function+0x0/0x40 > > [ 240.702959] [<ffffffff81072ddd>] ? trace_hardirqs_on+0xd/0x10 > > [ 240.702967] [<ffffffff8105cfd0>] ? worker_thread+0x0/0x390 > > [ 240.702974] [<ffffffff81061c56>] kthread+0xa6/0xc0 > > [ 240.702982] [<ffffffff8100d05a>] child_rip+0xa/0x20 > > [ 240.702990] [<ffffffff8100c9c0>] ? restore_args+0x0/0x30 > > [ 240.702997] [<ffffffff81061bb0>] ? kthread+0x0/0xc0 > > [ 240.703003] [<ffffffff8100d050>] ? child_rip+0x0/0x20 > > [ 240.703007] INFO: lockdep is turned off. > > [ 240.703043] INFO: task gnome-keyring-d:3915 blocked for more than 120 seconds. > > [ 240.703048] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > [ 240.703053] gnome-keyring D ffff880002073980 0 3915 1 0x00000000 > > [ 240.703063] BUG: using smp_processor_id() in preemptible [00000000] code: khungtaskd/275 > > [ 240.703070] caller is show_stack_log_lvl+0x29/0x160 > > [ 240.703075] Pid: 275, comm: khungtaskd Tainted: P 2.6.31-rc8-wl #105 > > > > Looks like the wireless tree and a version based on -rc8. > > It would be nice to test it on -rc9 Linus tree and on latest > wireless tree as well. > This happens very rarely. wireless-testing tree pulled yesterday. Best regards, Maxim Levitsky -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
