From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Richard Cochran <richard.cochran@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] Strange results with ARM EABI, gcc 4.3.2
Date: Sat, 18 Jul 2009 12:15:41 +0200 [thread overview]
Message-ID: <4A61A0CD.6010607@domain.hid> (raw)
In-Reply-To: <899865CA54E4444DAF2E3639C04C5F4806005D@trillian.at.omicron.at>
Richard Cochran wrote:
> A certain xenomai project on ARM Linux of mine has been working fine
> using gcc 3.4.5. I wanted to use a more recent compiler and the EABI,
> so I used a default setting from crosstool-NG-1.4.1, which produces
> gcc version 4.3.2.
>
> However, I get the following result running the trivial-periodic
> example program:
>
> # ./trivial-periodic &
> # cat /proc/xenomai/sched
> CPU PID PRI PERIOD TIMEOUT TIMEBASE STAT NAME
> 0 0 -1 0 0 master R ROOT
> 0 850 99 1000000000 79513195085358725 master D trivial
>
> Looks like I will be waiting a long, long time for the timeout ;^)
> Any ideas?
gcc 4.3 has a bug with Xenomai on arm. You should stay with gcc 4.2
(which also has a bug, but we know how to workaround it).
I think I will add a dynamic detection of this bug, print an error
message when it happens and exit.
--
Gilles.
prev parent reply other threads:[~2009-07-18 10:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-18 9:50 [Xenomai-core] Strange results with ARM EABI, gcc 4.3.2 Richard Cochran
2009-07-18 10:15 ` Gilles Chanteperdrix [this message]
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