From: Philippe Gerum <rpm@xenomai.org>
To: Ronny Meeus <ronny.meeus@domain.hid>
Cc: adeos-main@gna.org
Subject: Re: [Adeos-main] Kernel blocked during send/receive raw ethernet packets.
Date: Mon, 04 Jul 2011 22:09:24 +0200 [thread overview]
Message-ID: <1309810164.2157.12.camel@domain.hid> (raw)
In-Reply-To: <CAMJ=MEfVauUJG=YfQ2LiMqEwRWAyFrfdGMX1ZvR2x3xvkyCTAA@mail.gmail.com>
On Mon, 2011-07-04 at 22:04 +0200, Ronny Meeus wrote:
> On Mon, Jul 4, 2011 at 1:42 PM, Gilles Chanteperdrix
> <gilles.chanteperdrix@xenomai.org> wrote:
> > On 07/04/2011 10:20 AM, Philippe Gerum wrote:
> >> Could you try 2.6.36-ipipe as well in case 2.6.35.7 without pipeline
> >> does not exhibit the issue? A number of changes went in the IRQ replay
> >> code during this time frame, and 2.6.35 was in a state of flux regarding
> >> this.
> >
> > And please try Xenomai 2.5.6.
> >
> > --
> > Gilles.
> >
>
> Hello
>
> today we tested tested: "Running the same test on 2.6.35.7 without IPIPE".
> The result is also not OK. The problem can be reproduced on this
> kernel, so it looks like the issue has nothing to do with the I-PIPE.
> We are currently porting the FreeScale patches to the 2.6.36 kernel
> but it looks like this is going to take some effort (Thomas already
> spent half a day on it today).
>
> Maybe a bit of history: we started with the 2.6.34 kernel with no SMP.
> Here we observed issue in some scenarios. By playing with the
> configuration we found that these issues were resolved by switching to
> SMP (even on one core).
> After the activation of SMP we started to see BADNESS issues once we
> started to run our Xenomai based applications.
> Thomas found a patch on the Xenomai mailing list to solve the badness
> issue but this was based on 2.6.35.7. We ported the FreeScale patches
> to that releases and we observed the blocking application issue
> described above.
>
> We will try to port the FreeScale patches to 2.6.36 and see how the
> system behaves. More information on this later.
> Can you guys give us any hint of what would be the most stable version
> of Linux + Xenomai to base our application on?
SMP-wise for powerpc, 2.6.36 + upcoming 2.5.6
>
> Thanks
> Ronny
>
> _______________________________________________
> Adeos-main mailing list
> Adeos-main@domain.hid
> https://mail.gna.org/listinfo/adeos-main
--
Philippe.
next prev parent reply other threads:[~2011-07-04 20:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-02 21:33 [Adeos-main] Kernel blocked during send/receive raw ethernet packets Ronny Meeus
2011-07-04 8:06 ` Ronny Meeus
2011-07-04 8:20 ` Philippe Gerum
2011-07-04 11:42 ` Gilles Chanteperdrix
2011-07-04 20:04 ` Ronny Meeus
2011-07-04 20:09 ` Philippe Gerum [this message]
2011-07-04 20:13 ` Philippe Gerum
2011-07-05 8:45 ` Ronny Meeus
2011-07-05 20:11 ` Ronny Meeus
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