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From: Jeff Webb <jeff.webb@domain.hid>
To: xenomai@xenomai.org
Subject: Re: [Xenomai-core] rare brokenness in latency output - FPU bug!
Date: Mon, 18 Sep 2006 16:25:30 -0500	[thread overview]
Message-ID: <450F0ECA.2050100@domain.hid> (raw)
In-Reply-To: <450F084A.1070303@domain.hid>

Jan Kiszka wrote:
> Welcome to the club!
> 
> Everyone's busy behind the curtain to analyse what's going on here. So
> far we thought it's a post 2.2.2 regresssion (SVN rev 1595 for trunk,
> 1597 for 2.2.x), but the issue may be more tricky.
> 
> Do you get the switchtest failure also with plain 2.2.2?
> 
> What processor do you use? I was only able to trigger my problems on
> Pentium MMX and older or an Athlon 800 here. A Pentium III worked fine.
> 
> Jan
> 

I don't have a plain xenomai-2.2.2 kernel handy, but I do have a patched version.  I do not have any problems with switchtest for xenomai-2.2.2 with the following patches:

  https://mail.gna.org/public/xenomai-help/2006-09/msg00084.html
  https://mail.gna.org/public/xenomai-help/2006-09/msg00096.html

These patches are to nucleus pipe.c and pipe.h / rtai fifo.c and fifo.h.

I am running an Athlon64 X2 in with 32-bit Fedora Core 5.

-Jeff


  reply	other threads:[~2006-09-18 21:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-18  9:30 [Xenomai-core] rare brokenness in latency output - FPU bug! Jan Kiszka
2006-09-18 20:48 ` Jeff Webb
2006-09-18 20:57   ` Jan Kiszka
2006-09-18 21:25     ` Jeff Webb [this message]
2006-09-19 14:48       ` Jeff Webb
2006-09-19 15:52         ` Philippe Gerum
2006-09-20 17:20           ` Jeff Webb
2006-09-20 18:01             ` Philippe Gerum
2006-09-19 22:46   ` Jeff Webb

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