From: Daniel Lezcano <daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org,
linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
Peter Zijlstra
<a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Frederic Weisbecker
<fweisbec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
richardcochran-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
Konrad Rzeszutek Wilk
<konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Subject: Re: CONFIG_NO_HZ + CONFIG_CPU_IDLE freeze the system (Was Re: [PATCH] acpi : remove power from acpi_processor_cx structure)
Date: Tue, 11 Sep 2012 23:27:53 +0200 [thread overview]
Message-ID: <504FACD9.4020108@linaro.org> (raw)
In-Reply-To: <504E8372.20904-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
On 09/11/2012 02:18 AM, John Stultz wrote:
> On 09/10/2012 12:45 PM, Daniel Lezcano wrote:
>> On 09/10/2012 07:14 PM, John Stultz wrote:
>>> In the meantime, I'll try to reproduce on my T61. If you could send me
>>> your .config, I'd appreciate it.
>> http://pastebin.com/qSxqfdDK
>>
>> The header of the config file shows for a v3.5-rc7 because it is the
>> result of the git-bisect. If you keep this config file for the latest
>> kernel that should reproduce the problem.
>>
>> Let me know if you were able to reproduce the problem.
> Great! With this I was able to quickly reproduce the problem and I think
> I have a fix.
>
> Would you mind testing the following patch? It seems to resolve the
> issue, but I've not yet run it through my test suite to make sure it
> didn't break anything else.
>
> If both your and my testing comes back ok, I'll submit it to Thomas.
Sounds like this solves the problem. Without enough background on timers
in general, I don't have an opinion about the patch itself but I can
confirm the issue is no longer occurring.
Thanks
-- Daniel
--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog
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WARNING: multiple messages have this Message-ID (diff)
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: John Stultz <john.stultz@linaro.org>
Cc: prarit@redhat.com, xen-devel@lists.xensource.com,
linaro-dev@lists.linaro.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-pm@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
richardcochran@gmail.com,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-acpi@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
mingo@kernel.org, lenb@kernel.org
Subject: Re: CONFIG_NO_HZ + CONFIG_CPU_IDLE freeze the system (Was Re: [PATCH] acpi : remove power from acpi_processor_cx structure)
Date: Tue, 11 Sep 2012 23:27:53 +0200 [thread overview]
Message-ID: <504FACD9.4020108@linaro.org> (raw)
In-Reply-To: <504E8372.20904@linaro.org>
On 09/11/2012 02:18 AM, John Stultz wrote:
> On 09/10/2012 12:45 PM, Daniel Lezcano wrote:
>> On 09/10/2012 07:14 PM, John Stultz wrote:
>>> In the meantime, I'll try to reproduce on my T61. If you could send me
>>> your .config, I'd appreciate it.
>> http://pastebin.com/qSxqfdDK
>>
>> The header of the config file shows for a v3.5-rc7 because it is the
>> result of the git-bisect. If you keep this config file for the latest
>> kernel that should reproduce the problem.
>>
>> Let me know if you were able to reproduce the problem.
> Great! With this I was able to quickly reproduce the problem and I think
> I have a fix.
>
> Would you mind testing the following patch? It seems to resolve the
> issue, but I've not yet run it through my test suite to make sure it
> didn't break anything else.
>
> If both your and my testing comes back ok, I'll submit it to Thomas.
Sounds like this solves the problem. Without enough background on timers
in general, I don't have an opinion about the patch itself but I can
confirm the issue is no longer occurring.
Thanks
-- Daniel
--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog
next prev parent reply other threads:[~2012-09-11 21:27 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-24 21:12 [PATCH] acpi : remove power from acpi_processor_cx structure Daniel Lezcano
2012-07-24 21:06 ` Konrad Rzeszutek Wilk
2012-08-31 18:53 ` Daniel Lezcano
2012-09-01 5:54 ` Rafael J. Wysocki
2012-09-05 13:41 ` Rafael J. Wysocki
2012-09-06 7:54 ` Daniel Lezcano
2012-09-06 9:22 ` CONFIG_NO_HZ + CONFIG_CPU_IDLE freeze the system (Was Re: [PATCH] acpi : remove power from acpi_processor_cx structure) Daniel Lezcano
2012-09-06 20:04 ` Rafael J. Wysocki
2012-09-06 20:35 ` Daniel Lezcano
2012-09-06 20:35 ` Daniel Lezcano
2012-09-06 21:18 ` Rafael J. Wysocki
2012-09-07 14:20 ` Daniel Lezcano
2012-09-07 14:20 ` Daniel Lezcano
[not found] ` <504A02BD.4000805-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-09-07 17:22 ` John Stultz
2012-09-07 17:22 ` John Stultz
2012-09-07 21:35 ` Daniel Lezcano
2012-09-07 21:35 ` Daniel Lezcano
2012-09-10 17:14 ` John Stultz
2012-09-10 19:45 ` Daniel Lezcano
2012-09-11 0:18 ` John Stultz
2012-09-11 6:58 ` Daniel Lezcano
2012-09-11 6:58 ` Daniel Lezcano
[not found] ` <504EE124.3010401-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-09-11 17:26 ` John Stultz
2012-09-11 17:26 ` John Stultz
[not found] ` <504E8372.20904-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-09-11 21:27 ` Daniel Lezcano [this message]
2012-09-11 21:27 ` Daniel Lezcano
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