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SubjectRe: sleeping functions called in invalid context during resume
On Tue, 14 Nov 2006 22:30:02 -0800
Stephen Hemminger <> wrote:

> Lots of sleeping while atomic warnings on 2.6.19-rc5
> During resume I see the following:
> platform floppy.0: EARLY resume
> APIC error on CPU0: 00(00)
> PM: Finishing wakeup.
> BUG: sleeping function called from invalid context at drivers/base/power/resume.c:99
> in_atomic():1, irqs_disabled():0
> Call Trace:
> [<ffffffff80266117>] show_trace+0x34/0x47
> [<ffffffff8026613c>] dump_stack+0x12/0x17
> [<ffffffff803734e5>] device_resume+0x19/0x51
> [<ffffffff80292157>] enter_state+0x19b/0x1b5
> [<ffffffff802921cf>] state_store+0x5e/0x79
> [<ffffffff802cc157>] sysfs_write_file+0xc5/0xf8
> [<ffffffff80215059>] vfs_write+0xce/0x174
> [<ffffffff802159a5>] sys_write+0x45/0x6e
> [<ffffffff802593de>] system_call+0x7e/0x83
> DWARF2 unwinder stuck at system_call+0x7e/0x83
> Leftover inexact backtrace:

Could mean that someone somewhere forgot to release a spinlock.

Ingo had a patch which would find the culprit (preempt-tracing.patch).

Does it still live?
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