From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 30 Nov 2006 13:22:00 +0100
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-core] structure alignement problem in RTDM?
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org

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Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
>> Marc Brown wrote:
>>
>>> Hi,
>>>
>>> It seems that there are still structure alignment problems in RTDM (w=
hile running xenotest), as already=20
>>> talked about with Philippe. Compiled with a GCC 4.0.3-2 (on x86), her=
e is the=20
>>> 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 chec=
k
>> /proc/xenomai/rtdm/rttestX/information for the actual mapping.
>> [We need to resolve this more gracefully...]
>=20
> 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.
>=20

Yeah, I'm going to check something in this direction (while still
keeping -D to override any automatism).


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