xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
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


_______________________________________________
linaro-dev mailing list
linaro-dev@lists.linaro.org
http://lists.linaro.org/mailman/listinfo/linaro-dev

      parent reply	other threads:[~2012-09-11 21:27 UTC|newest]

Thread overview: 19+ 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 21:18                 ` Rafael J. Wysocki
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 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
     [not found]                                   ` <504EE124.3010401-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=504FACD9.4020108@linaro.org \
    --to=daniel.lezcano-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
    --cc=a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org \
    --cc=fweisbec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
    --cc=lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org \
    --cc=linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=richardcochran-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=rjw-KKrjLPT3xs0@public.gmane.org \
    --cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
    --cc=xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).