> Pavel Machek napsal(a):
> > Hi!
> >
> >>> Andrew Morton napsal(a):
> >>>>
http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/
> >>> I'm getting this while trying to swsusp:
> >>> Stopping tasks ...
> >>> Stopping kernel threads timed out after 20 seconds (1 tasks refusing to freeze):
> >>> swapper
> >>> Restarting tasks ... done.
> >>>
> >>> What to test? Enable PM_DEBUG?
> >
> > Is it repeatable? Freezer normally works better than that.
>
> Yes, at least it happened 3 times consecutively, when I tried to asleep the
> machine, then I turned it off.
>
> >> Also, it might be useful to add a temporary /proc/freeze-unfreeze thing
> >> which will simply do a freeze/unfreeze cycle. Then we can apply various
> >> workloads to the machine while madly stressing the freezer code.
> >
> > echo testproc > /sys/power/disk; echo disk > /sys/power/state ... is
> > pretty much what you want.
>
> Ok, I'll try this.