Re: 2.6.24-rc1: OOPS at acpi_battery_update

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 29 Oct 2007 11:11:04 +0100
Romano Giannetti <romanol@upcomillas.es> wrote:

> 
> Hi,
> 
> 	sometime on resuming from s2ram my laptop spew the following oops.
> Config, dmesg etc are at: 
> 
> http://www.dea.icai.upcomillas.es/romano/linux/info/2624rc1_6/
> 
> [    3.475386] Oops: 0000 [#1] SMP 
> [    3.475602] Process kacpi_notify (pid: 50, ti=c2122000 task=c210c030 task.ti=c2122000)
> [    3.475608] Stack: c35c5060 c02f2a58 00000046 00000000 6b6b6b6b c2b20298 c2123efc c02f29ac 
> [    3.475626]        c02166cb f896f3ca 00000000 f896ff63 00000246 00000000 c2b20298 ffffa512 
> [    3.475644]        c2123f04 c02f2a58 c2123f34 f896f3ed c2123f1c c34fbdb8 c2123f20 c02f3e22 
> [    3.475662] Call Trace:
> [    3.475667]  [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
> [    3.475678]  [show_stack_log_lvl+177/224] show_stack_log_lvl+0xb1/0xe0
> [    3.475695]  [die+282/560] die+0x11a/0x230
> [    3.475687]  [show_registers+193/464] show_registers+0xc1/0x1d0
> [    3.475703]  [do_page_fault+415/1648] do_page_fault+0x19f/0x670
> [    3.475713]  [error_code+114/120] error_code+0x72/0x78
> [    3.475722]  [__mutex_unlock_slowpath+172/336] __mutex_unlock_slowpath+0xac/0x150
> [    3.475731]  [mutex_unlock+8/16] mutex_unlock+0x8/0x10
> [    3.475739]  [<f896f3ed>] acpi_battery_update+0x1ce/0x23c [battery]
> [    3.475753]  [<f896f927>] acpi_battery_notify+0x21/0x78 [battery]
> [    3.475764]  [acpi_ev_notify_dispatch+79/90] acpi_ev_notify_dispatch+0x4f/0x5a
> [    3.475792]  [worker_thread+157/256] worker_thread+0x9d/0x100
> [    3.475774]  [acpi_os_execute_notify+36/47] acpi_os_execute_notify+0x24/0x2f
> [    3.475784]  [run_workqueue+288/464] run_workqueue+0x120/0x1d0
> [    3.475809]  [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
> [    3.475801]  [kthread+66/112] kthread+0x42/0x70
> [    3.475821] Code: 8d b4 26 00 00 00 00 55 89 e5 83 ec 18 89 5d f8 89 c3 89 75 fc 0f b6 40 04 89 d6 84 c0 7f 24 8d 43 20 3b 43 20 0f 84 e4 00 00 00 <3b> 76 10 0f 85 93 00 00 00 3b 36 90 74 47 8b 5d f8 8b 75 fc 89 
> [    3.475818]  =======================
> [    3.475909] EIP: [debug_mutex_wake_waiter+36/352] debug_mutex_wake_waiter+0x24/0x160 SS:ESP 0068:c2123ebc
> 

Did any earlier kernels do this?  In other words, do you believe that this
is a bug which we added after 2.6.23 was released?

Thanks.