From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] structure alignement problem in RTDM?
Date: Thu, 30 Nov 2006 09:51:56 +0100 [thread overview]
Message-ID: <456E9BAC.3060508@domain.hid> (raw)
In-Reply-To: <456E8F94.8050600@domain.hid>
Jan Kiszka wrote:
> Marc Brown wrote:
>
>>Hi,
>>
>>It seems that there are still structure alignment problems in RTDM (while running xenotest), as already
>>talked about with Philippe. Compiled with a GCC 4.0.3-2 (on x86), here is the
>>problem (output trace and xenomai /proc are provided herewith):
>
>
> I rather suspect that you built all testing devices into the kernel or
> loaded xeno_switchtest before xeno_timerbench so that the latency test
> happens to open the switchtest device. Try "-D1" with latency, or check
> /proc/xenomai/rtdm/rttestX/information for the actual mapping.
> [We need to resolve this more gracefully...]
A way to solve this may be to use the same method as switchtest: open
all rttest devices in turn until the first ioctl succeeds.
--
Gilles Chanteperdrix
next prev parent reply other threads:[~2006-11-30 8:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 7:35 [Xenomai-core] structure alignement problem in RTDM? Marc Brown
2006-11-30 8:00 ` Jan Kiszka
2006-11-30 8:51 ` Gilles Chanteperdrix [this message]
2006-11-30 12:22 ` Jan Kiszka
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