Re: BUG: using smp_processor_id() in preemptible [00000000] code:pm-suspend/17334

[Jiri Kosina]

On Tue, 3 Jun 2008, Zdenek Kabelac wrote:

> Another backtrace from suspend code path:
> (T61, 2GB, C2D, no SD card)
> kernel from git 20080603, commit 1beee8dc8cf58e3f605bd7b34d7a39939be7d8d2
> ----
> agpgart-intel 0000:00:00.0: LATE suspend
> platform bay.0: LATE suspend
> platform dock.0: LATE suspend
> Extended CMOS year: 2000
>  hwsleep-0324 [00] enter_sleep_state     : Entering sleep state [S3]
> Back to C!
> BUG: using smp_processor_id() in preemptible [00000000] code: pm-suspend/17334
> caller is do_machine_check+0xa9/0x500
> Pid: 17334, comm: pm-suspend Not tainted 2.6.26-rc4 #31
> Call Trace:
>  [<ffffffff8118347c>] debug_smp_processor_id+0xcc/0xd0
>  [<ffffffff810184d9>] do_machine_check+0xa9/0x500
>  [<ffffffff81010e7b>] ? init_8259A+0x1b/0x120
>  [<ffffffff810189d6>] mce_init+0x56/0xf0
>  [<ffffffff81018a7b>] mce_resume+0xb/0x10
>  [<ffffffff81204fd0>] __sysdev_resume+0x20/0x60
>  [<ffffffff81205068>] sysdev_resume+0x58/0x90
>  [<ffffffff8120aac9>] device_power_up+0x9/0x10
>  [<ffffffff8106f4f7>] suspend_devices_and_enter+0x147/0x1a0
>  [<ffffffff8106f6c6>] enter_state+0x146/0x1d0
>  [<ffffffff8106f80a>] state_store+0xba/0x100
>  [<ffffffff81177ae7>] kobj_attr_store+0x17/0x20
>  [<ffffffff81110fea>] sysfs_write_file+0xca/0x140
>  [<ffffffff810ba00b>] vfs_write+0xcb/0x190
>  [<ffffffff810ba1c0>] sys_write+0x50/0x90
>  [<ffffffff8100c4fb>] system_call_after_swapgs+0x7b/0x80

This looks very much like the oops you reported here: 
http://lkml.org/lkml/2008/4/7/130

Is this also a virtual machine run under KVM, as it has been in the 
aforementioned thread?

Thanks,

-- 
Jiri Kosina
SUSE Labs

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