From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Terry Fryar <terry.fryar@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Xenomai test progs segfault
Date: Thu, 10 Nov 2011 21:12:51 +0100 [thread overview]
Message-ID: <4EBC3043.7080001@domain.hid> (raw)
In-Reply-To: <11B729797A9E4CD7AF3075EF6A450D57@domain.hid>
On 11/10/2011 09:09 PM, Terry Fryar wrote:
> 2.6.0 worked fine with 2.6.38, although I did get this:
>
> [ 4.900113] WARNING: at kernel/lockdep.c:2321 omap3_pm_idle+0x78/0x84()
> [ 4.907076] Modules linked in:
> [ 4.910532] [<c00572ac>] (unwind_backtrace+0x0/0xe0) from [<c0081164>]
> (warn_slowpath_common+0x4c/0x64)
> [ 4.920564] [<c0081164>] (warn_slowpath_common+0x4c/0x64) from
> [<c0081194>] (warn_slowpath_null+0x18/0x1c)
> [ 4.930865] [<c0081194>] (warn_slowpath_null+0x18/0x1c) from [<c0064268>]
> (omap3_pm_idle+0x78/0x84)
> [ 4.940508] [<c0064268>] (omap3_pm_idle+0x78/0x84) from [<c005241c>]
> (cpu_idle+0x6c/0xe4)
> [ 4.949116] [<c005241c>] (cpu_idle+0x6c/0xe4) from [<c00088bc>]
> (start_kernel+0x2b0/0x30c)
> [ 4.957941] [<c00088bc>] (start_kernel+0x2b0/0x30c) from [<80008034>]
> (0x80008034)
>
> Not sure what's up here, but the xenomai kernel stuff loaded and the xenomai
> test programs work just fine now. I'm partially wondering if there were
> mis-matched floating point compiler flags involved as well (2.6.0 doesn't
> force any flags now).
>
> Thanks Gilles...your help is MUCH appreciated!
You should disable whatever option causes omap3_pm_idle to be called, as
this will give bad latencies.
--
Gilles.
next prev parent reply other threads:[~2011-11-10 20:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-09 23:37 [Xenomai-help] Xenomai test progs segfault Terry Fryar
2011-11-10 8:52 ` Gilles Chanteperdrix
2011-11-10 8:53 ` Gilles Chanteperdrix
[not found] ` <49264DA96DC4430AADFD3D442E1F2FBC@TerryHP>
2011-11-10 14:44 ` Gilles Chanteperdrix
2011-11-10 20:09 ` Terry Fryar
2011-11-10 20:12 ` Gilles Chanteperdrix [this message]
2011-11-10 21:09 ` Gilles Chanteperdrix
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