Messages in this thread | | | Subject | Re: [BUG-REPORT] hrtick_start_fair and CPU-Hotplug | From | Peter Zijlstra <> | Date | Tue, 29 Apr 2008 08:59:19 +0200 |
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On Tue, 2008-04-29 at 12:22 +0530, Gautham R Shenoy wrote: > Hello! > > While running the usual CPU-Hotplug stress tests on linux-2.6.25, > I noticed the following in the console logs. > > This is a wee bit difficult to reproduce. In the past 10 runs I hit this > only once. > > ------------[ cut here ]------------ > > WARNING: at kernel/sched.c:962 hrtick+0x2e/0x65()
> I am not well versed with this part of the code, so just wondering if we > are doing a good job at handling the cancellation of any per-cpu > scheduler timers during CPU-Hotplug.
This looks like its not cancelled at all and migrates the it to another cpu. I'll see what I can come up with.
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