From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] PB to patch a 2.6.16 kernel with an adeos-ipipe-2.6.14-ppc
Date: Sun, 09 Jul 2006 19:32:33 +0200 [thread overview]
Message-ID: <1152466354.5027.14.camel@domain.hid> (raw)
In-Reply-To: <44B13AC9.3050307@domain.hid>
On Sun, 2006-07-09 at 19:20 +0200, Jan Kiszka wrote:
> Thomas, Brieuc (GE Healthcare) wrote:
> > Hi everybody !
> >
> > I've got a PPC-MPC8540 target with a 2.6.16 patch from the provider. I
> > would like to patch my 2.6.16 kernel with an adeos-ipipe-2.6.14-ppc. Has
> > somebody already done this?
> > Up to now, I've done the patch manually and the compilation with
> > xenomai-2.1.2...
>
> Migrating some version steps upward in 2.6.x can be problematic. Also
> the patches you got from the board vendor may collide with ipipe. What
> conflicts did you have to resolve? Were you able to verify if those were
> not related to relevant functional changes in the kernel?
>
> > When I launch my target, the boot run without errors. But when I launch
> > an Xenomai application (like latency) I've got a "kernel oops" message
> > (during the task creation).
>
> What does the oops precisely say, what's the backtrace about?
>
> > can somebody help me to patch correctly my kernel?
>
> Is your kernel patch publicly available? What parts does it touch
> (critical for ipipe are IRQ and timer management).
>
> Maybe someone from the PPC fraction on this list can comment on the
> status of vanilla 2.6.16 vs. 2.6.14, also wrt ipipe/xenomai.
It's more an I-pipe issue than a Xenomai one. For the time being, 2.6.14
from kernel.org is the current version Adeos/ppc supports, until the
refactoring between arch/ppc and arch/powerpc the kernel folks are
currently having fun with, has been completed, especially for the
embedded side of the universe. The current Adeos 2.6.14/ppc patch also
applies cleanly against Denx's latest snapshot:
ftp://ftp.denx.de/pub/linux/linux-2.6.14.tar.bz2
--
Philippe.
prev parent reply other threads:[~2006-07-09 17:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-07 13:55 [Xenomai-help] PB to patch a 2.6.16 kernel with an adeos-ipipe-2.6.14-ppc Thomas, Brieuc (GE Healthcare)
2006-07-09 17:20 ` Jan Kiszka
2006-07-09 17:32 ` Philippe Gerum [this message]
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