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