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From: Thomas Gleixner <tglx@linutronix.de>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Sitsofe Wheeler <sitsofe@yahoo.com>,
	Venkatesh Pallipadi <venki@google.com>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: Interrupt latency on some 945GM platforms
Date: Thu, 16 Sep 2010 20:50:50 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LFD.2.00.1009162049450.2416@localhost6.localdomain6> (raw)
In-Reply-To: <201009162142.10629.anarsoul@gmail.com>

[-- Attachment #1: Type: TEXT/PLAIN, Size: 892 bytes --]

On Thu, 16 Sep 2010, Vasily Khoruzhick wrote:

> В сообщении от 16 of September 2010 21:30:58 автор Vasily Khoruzhick написал:
> > В сообщении от 16 of September 2010 21:07:39 автор Thomas Gleixner написал:
> > > > Btw, Jesse, any comments/solutions/workarounds except one with
> > > > processor.max_cstate=1 in kernel commandline? Should I file a bug on
> > > > fdo bugzilla?
> > > 
> > > we fixed a HPET related bug a few days ago, which might be the cause
> > > for your problem as well.
> > 
> > Nope, it doesn't help :(
> 
> Btw, I suspect hpet is not related, I disabled hpet completely in kernel 
> config but issue is still here (clocksource is acpi_pm)

Ok. The problematic part of HPET was not the clocksource, it was the
clock event device which failed to deliver interrupts occasionally. It
was worth a try at least.

Thanks,

	tglx

  reply	other threads:[~2010-09-16 18:51 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     ` 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 [this message]
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                             ` Interrupt latency on some 945GM platforms Jesse Barnes
2010-09-14  9:55                     ` Andi Kleen

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