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From: Pierre Ossman <drzeus-list@drzeus.cx>
To: Pavel Machek <pavel@ucw.cz>
Cc: huggie@earth.li, linux-kernel@vger.kernel.org
Subject: Re: Scheduler broken? sdhci issues with scheduling
Date: Mon, 3 Mar 2008 22:05:30 +0100	[thread overview]
Message-ID: <20080303220530.49201544@mjolnir.drzeus.cx> (raw)
In-Reply-To: <20080303203808.GH13869@elf.ucw.cz>

On Mon, 3 Mar 2008 21:38:08 +0100
Pavel Machek <pavel@ucw.cz> wrote:

> On Mon 2008-03-03 20:43:00, Pierre Ossman wrote:
> > The problem is that the kernel sleeps _less_ than asked for, not more. No hardware can be expected to work if its needed delays aren't respected.
> > 
> 
> Oops, that's bad. Can you perhaps create small testcase for
> scheduler/timer people to play with?
> 
> Also... you may want to switch timesources. notsc fixed "wait for much
> too long" for me.

I'm afraid I could never reproduce the problem. So it's Simon that will have to do the tests for now..


-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

  reply	other threads:[~2008-03-03 21:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-29 11:52 Simon Huggins
2008-02-29 13:34 ` Ingo Molnar
2008-02-29 13:51   ` Ingo Molnar
2008-02-29 14:00     ` Ingo Molnar
2008-02-29 19:39       ` Simon Huggins
2008-02-29 20:39         ` Ingo Molnar
2008-03-01 12:42           ` Simon Huggins
2008-03-01 14:08             ` Pierre Ossman
2008-03-02 10:40 ` Pavel Machek
2008-03-02 18:04   ` Simon Huggins
2008-03-03 19:43   ` Pierre Ossman
2008-03-03 20:38     ` Pavel Machek
2008-03-03 21:05       ` Pierre Ossman [this message]
2008-03-13 21:17         ` Simon Huggins
2008-03-15 15:04           ` Pierre Ossman
2008-04-20 21:07             ` Simon Huggins

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