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From: Stas Sergeev <stsp@aknet.ru>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: ALSA devel <alsa-devel@alsa-project.org>
Subject: Re: 2.6.26-rc6 snd-pcsp: "Timer resolution is not sufficient"
Date: Fri, 20 Jun 2008 07:57:06 +0400	[thread overview]
Message-ID: <485B2A92.4000801@aknet.ru> (raw)
In-Reply-To: <485AB878.5080101@keyaccess.nl>

Hi.

Rene Herman wrote:
> What's this? 2.6.26-rc6:
> ===
> input: PC Speaker as /class/input/input5
> PCSP: Timer resolution is not sufficient (4000250nS)
> PCSP: Make sure you have HPET and ACPI enabled.
> PC-Speaker initialization failed.
> pcspkr: probe of pcspkr failed with error -5
> ===
> A HPET I do not have, ACPI is enabled and the driver worked fine on a
> previous -rc.
That means that the high-res timer
mode is not available. See
cat /proc/timer_list
It should contain the lines like
  .resolution: 1 nsecs
1 nsecs means a high-res mode.
Some large values (like 4000250)
means low-res.
Try adding the hrtimers people to
CC if this is a problem.

  reply	other threads:[~2008-06-20  3:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-19 19:50 2.6.26-rc6 snd-pcsp: "Timer resolution is not sufficient" Rene Herman
2008-06-20  3:57 ` Stas Sergeev [this message]
2008-06-21  1:00   ` Rene Herman
2008-06-21  1:14   ` Rene Herman
2008-06-21  7:00     ` Stas Sergeev

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