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    SubjectRe: Problem with freezable workqueues
    Date
    On Wednesday, 28 February 2007 00:36, Johannes Berg wrote:
    > On Wed, 2007-02-28 at 02:28 +0300, Oleg Nesterov wrote:
    >
    > > Ugh. I know nothing, nothing, nothing about suspend. I'll try to guess.
    > >
    > > Commit: ed746e3b18f4df18afa3763155972c5835f284c5
    >
    > > Yes? with the patch above, _cpu_down() called _after_ freeze_processes() ???
    >
    > perfect :)
    > See also my original mail and the thread:
    > http://thread.gmane.org/gmane.linux.power-management.general/4314
    >
    > > How about other kthread_stop()s ? For example, kernel/softirq.c:cpu_callback() ?
    >
    > I'd they should be affected as well.

    They won't be, if they have PF_NOFREEZE set.

    > For me, I guess I haven't run into them because xfs is enough to freeze the
    > box ;)

    I think you've hit the only thing that could have triggered the issue. ;-)

    Greetings,
    Rafael
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