Messages in this thread | | | Date | Tue, 4 Dec 2007 01:05:13 +0100 | From | Ingo Molnar <> | Subject | Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks |
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* Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > > Er, it won't play well if that happen when tasks are frozen for > > > suspend. > > > > right now any suspend attempt times out after 20 seconds: > > > > $ grep TIMEOUT kernel/power/process.c > > #define TIMEOUT (20 * HZ) > > end_time = jiffies + TIMEOUT; > > This is the timeout for freezing tasks, but if the freezing succeeds, > they can stay in TASK_UNINTERRUPTIBLE for quite some more time, > especially during a hibernation (the tasks stay frozen until we power > off the system after saving the image).
ah, ok. So this was a live bug - thanks for the clarification.
Ingo
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