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From: Martin Shepherd <mcs@domain.hid>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org
Subject: [Xenomai-help] Success! (was Re: Tests with 2.5rc1)
Date: Mon, 20 Apr 2009 15:13:10 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.64.0904201444200.26654@domain.hid> (raw)
In-Reply-To: <49ECBEE6.2060201@domain.hid>


On Mon, 20 Apr 2009, Gilles Chanteperdrix wrote:
>...and should try to disable high
> res timers to see if it helps further.

Excellent suggestion. This has completely fixed the problem. To be
precise, starting with the config of the last problematic kernel, I
toggled off the high-res timer option in menuconfig, recompiled the
kernel, and booted into the new kernel.  I have now booted twice into
the resulting kernel, and have been unable to provoke a single hang in
either case, whereas before this change, I could reliably always
provoke a hang within a few seconds of running "dd if=/dev/zero
of=/dev/null". I have also now run xeno-test twice, all the way
through, for the first time.

Do you have any idea why having the high-resolution timers option
enabled was causing the system to hang?

Thankyou for the help,

Martin


  parent reply	other threads:[~2009-04-20 22:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-20 18:05 [Xenomai-help] Tests with 2.5rc1 Martin Shepherd
2009-04-20 18:28 ` Gilles Chanteperdrix
2009-04-20 19:16   ` Martin Shepherd
2009-04-20 22:13   ` Martin Shepherd [this message]
2009-04-22 17:18     ` [Xenomai-help] Success! (was Re: Tests with 2.5rc1) Gilles Chanteperdrix
2009-04-23  1:43       ` Martin Shepherd
2009-04-20 18:34 ` [Xenomai-help] Tests with 2.5rc1 Gilles Chanteperdrix
2009-04-20 18:46   ` Martin Shepherd

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