From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: arethe rtai <arethe.rtai@domain.hid>
Cc: Xenomai-core@domain.hid
Subject: Re: [Xenomai-core] I suspect the shared memory of Xenomai has bug.
Date: Fri, 13 May 2011 07:08:17 +0200 [thread overview]
Message-ID: <4DCCBCC1.4090207@domain.hid> (raw)
In-Reply-To: <BANLkTim1tWxvzUx2gUwLbQVbob4tRqbCFw@domain.hid>
On 05/13/2011 03:25 AM, arethe rtai wrote:
> HI all:
> I always got null while I request a shared memory through RTAI
> skins in the user space.
> Some bugs maybe exist in the sub-system. I traced the execution
> stream of rt_shm_alloc, and found the mmap() operation always return
> -22. I suspect the problem should be same while we use other skins,
> because the mmap operation is implemented in /ksrc/nucleus/heap.c.
> Is there anyone encountered this problem?
This is the third time you post this incomplete report. See:
http://www.xenomai.org/index.php/Request_for_information
If you want to receive an answer. Because in xenomai 2.5 branch, each
process maps a shared memory when starting. So, if shared memory were
not working, no xenomai process would work, not even the latency test.
--
Gilles.
next prev parent reply other threads:[~2011-05-13 5:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 1:25 [Xenomai-core] I suspect the shared memory of Xenomai has bug arethe rtai
2011-05-13 5:08 ` Gilles Chanteperdrix [this message]
2011-05-13 6:50 ` Philippe Gerum
[not found] ` <201105191537542034180@domain.hid>
2011-05-19 8:03 ` Philippe Gerum
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