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SubjectRe: TREE01 rcutorture writer stalls?
On Tue, Dec 15, 2020 at 09:04:07PM -0800, Paul E. McKenney wrote:
> Hello, Frederic,
>
> Are you seeing rcutorture writer stalls? Please see attached for an
> example from testing, search for "Call Trace". I am running an overnight
> test, which should get me some idea of frequency. My thought is to run
> on the same version, but without the rcutorture.nocbs_nthreads=0 and
> rcutorture.nocbs_toggle=1000 kernel boot parameters.
>
> This sort of error can occur when grace periods are progressing, but
> callback processing is not. Things do seem to recover.
>
> Other thoughts?

Ok I'm trying to reproduce that.

Thanks.

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