From: Alexander Gerasiov <gq@cs.msu.su>
To: linux-rt-users@vger.kernel.org
Cc: zlobin_d@redlab-i.ru
Subject: Re: Problem with hrtimer_cancel() does not cancel timer
Date: Tue, 28 Feb 2017 16:02:08 +0300 [thread overview]
Message-ID: <20170228160208.24bb89a8@brick.gerasiov.net> (raw)
In-Reply-To: <20170218011522.09d42119@brick.gerasiov.net>
Hello Alexander,
On Sat, 18 Feb 2017 01:15:22 +0300
Alexander Gerasiov <gq@cs.msu.su> wrote:
> Hello folks,
>
> I met some problem with preempt version of kernel 4.4.
>
> I have hrtimer which runs callback, it forwards time and returns
> HRTIMER_RESTART. Very common scheme. When I stop the routine I call
> hrtimer_cancel(). It should wait for callback completion if any and
> unqueue any future timers.
>
> But suddenly I noticed, that sometimes hrtimer's routine continue to
> work and work after hrtimer_cancel(). It could be reproduced with
> simple test:
So guys, did anybody reproduce this problem?
If no, could you provide more info on your config?
If yes, do anyone work on the problem or we need to deal with it
ourselves?
--
Best regards,
Alexander Gerasiov
Contacts:
e-mail: gq@cs.msu.su Homepage: http://gerasiov.net Skype: gerasiov
PGP fingerprint: 04B5 9D90 DF7C C2AB CD49 BAEA CA87 E9E8 2AAC 33F1
next prev parent reply other threads:[~2017-02-28 13:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 22:15 Problem with hrtimer_cancel() does not cancel timer Alexander Gerasiov
2017-02-21 14:15 ` Dmitry
2017-02-28 13:02 ` Alexander Gerasiov [this message]
2017-03-01 15:01 ` Sebastian Andrzej Siewior
2017-03-01 23:48 ` Alexander Gerasiov
2017-03-02 8:19 ` Sebastian Andrzej Siewior
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