On Tue, 2008-04-29 at 12:22 +0530, Gautham R Shenoy wrote:
quoted text
> 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()

quoted text
> 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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