From: Philippe Gerum <rpm@xenomai.org>
To: Fillod Stephane <stephane.fillod@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] Xenomai v2.4-rc4: freeze with RTAI skin, fine with other skins
Date: Mon, 22 Oct 2007 12:08:11 +0200 [thread overview]
Message-ID: <471C768B.1000100@domain.hid> (raw)
In-Reply-To: <0B45E93C5FF65740AEAE690BF3848B7A4AB256@domain.hid>
Fillod Stephane wrote:
> Hi Gilles,
>
> Thanks for the quick reply.
>
> Gilles Chanteperdrix wrote:
>> A case of freeze is a system call called in a loop which fails without
> its return value being checked.
>
> I forget to say that the RTAI application is running in kernel land,
> because
> no port of the RTAI skin has been made yet to user land (in fact, only
> shm access).
> So, can it still be a system call in a loop issue? Besides, the xeno
> watchdog is not kicking.
> Once freezed, the box does not respond to ping, so this is not a
> SCHED_FIFO task stuck either.
> Still searching..
Stack space overflow issue now biting some real-time kernel thread?
Spurious delay/timeout values computed by the application (specifically:
too short), as a side-effect of the timebase introduction?
--
Philippe.
next prev parent reply other threads:[~2007-10-22 10:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-22 9:45 [Xenomai-core] Xenomai v2.4-rc4: freeze with RTAI skin, fine with other skins Fillod Stephane
2007-10-22 10:08 ` Philippe Gerum [this message]
2007-10-22 12:15 ` Gilles Chanteperdrix
-- strict thread matches above, loose matches on Subject: below --
2007-10-30 15:07 Fillod Stephane
2007-10-30 15:17 ` Philippe Gerum
2007-10-25 18:10 Fillod Stephane
2007-10-27 15:02 ` Philippe Gerum
2007-10-22 9:16 Fillod Stephane
2007-10-22 9:29 ` Gilles Chanteperdrix
2007-10-22 9:53 ` Philippe Gerum
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