From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Sitsofe Wheeler <sitsofe@yahoo.com>,
Thomas Gleixner <tglx@linutronix.de>,
Venkatesh Pallipadi <venki@google.com>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: Interrupt latency on some 945GM platforms
Date: Fri, 24 Sep 2010 11:41:22 -0700 [thread overview]
Message-ID: <20100924114122.4bfce00e@jbarnes-desktop> (raw)
In-Reply-To: <201009161803.10531.anarsoul@gmail.com>
On Thu, 16 Sep 2010 18:03:04 +0300
Vasily Khoruzhick <anarsoul@gmail.com> wrote:
> В сообщении от 15 of September 2010 01:41:11 автор Sitsofe Wheeler написал:
> > > > processor.max_cstate=2
> > >
> > > Nope, it doesn't work with max_cstate=2
> >
> > Perhaps intel_idle is being used? Any mention of it in dmesg?
>
> Sitsofe, maybe you misunderstood me, I mean with max_cstate=1 graphics is
> smooth, with higher values (i.e. max_cstate=2) graphics is jerky.
>
> Btw, Jesse, any comments/solutions/workarounds except one with
> processor.max_cstate=1 in kernel commandline? Should I file a bug on fdo
> bugzilla?
FDO bug for this is https://bugs.freedesktop.org/show_bug.cgi?id=30364.
I still don't have a root cause, but at least we have a workaround.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2010-09-24 18:41 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201009132336.17310.anarsoul@gmail.com>
[not found] ` <20100913134441.762001f7@jbarnes-desktop>
[not found] ` <201009140010.14783.anarsoul@gmail.com>
2010-09-13 21:19 ` Interrupt latency on some 945GM platforms Jesse Barnes
2010-09-13 21:41 ` Vasily Khoruzhick
2010-09-13 21:46 ` Jesse Barnes
2010-09-13 21:52 ` Vasily Khoruzhick
2010-09-13 21:59 ` Jesse Barnes
2010-09-13 22:03 ` Vasily Khoruzhick
2010-09-14 0:55 ` Venkatesh Pallipadi
2010-09-14 8:09 ` Vasily Khoruzhick
2010-09-14 9:52 ` Thomas Gleixner
2010-09-14 12:29 ` Vasily Khoruzhick
2010-09-14 22:41 ` Sitsofe Wheeler
2010-09-15 7:07 ` Vasily Khoruzhick
2010-09-16 15:03 ` Vasily Khoruzhick
2010-09-16 18:07 ` Thomas Gleixner
2010-09-16 18:30 ` Vasily Khoruzhick
2010-09-16 18:42 ` Vasily Khoruzhick
2010-09-16 18:50 ` Thomas Gleixner
2010-09-16 20:06 ` Vasily Khoruzhick
2010-09-24 19:39 ` Jesse Barnes
2010-09-24 19:48 ` Vasily Khoruzhick
2010-09-24 19:51 ` Jesse Barnes
2010-09-26 10:53 ` Stefan Biereigel
2010-09-27 0:46 ` Shaohua Li
2010-09-27 5:45 ` Stefan Biereigel
2010-09-27 11:41 ` Vasily Khoruzhick
2010-09-27 21:18 ` Vasily Khoruzhick
2010-09-25 10:25 ` Paolo Ornati
2010-09-17 9:02 ` [Intel-gfx] " Simon Farnsworth
2010-09-17 16:30 ` Jesse Barnes
2010-09-17 12:50 ` Vasily Khoruzhick
2010-09-21 18:26 ` Paolo Ornati
2010-09-21 22:56 ` Jesse Barnes
2010-09-22 5:57 ` Vasily Khoruzhick
2010-09-23 18:21 ` Paolo Ornati
2010-09-25 10:28 ` Paolo Ornati
2010-10-16 15:54 ` [Intel-gfx] Interrupt latency on some 945GM platforms -- and TCP/IP silent data corruption? Paolo Ornati
2010-09-24 18:41 ` Jesse Barnes [this message]
2010-09-14 9:55 ` Interrupt latency on some 945GM platforms Andi Kleen
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