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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Stefan Kisdaroczi <kisda@domain.hid>
Cc: Jan Kiszka <jan.kiszka@domain.hid>, xenomai@xenomai.org
Subject: Re: [Xenomai-help] Xenomai and PEAK can bus card problem
Date: Mon, 11 Oct 2010 23:45:32 +0200	[thread overview]
Message-ID: <4CB3857C.30303@domain.hid> (raw)
In-Reply-To: <201010112309.22031.kisda@domain.hid>

Stefan Kisdaroczi wrote:
> Am Montag 11 Oktober 2010, 21:10:14 schrieb Gilles Chanteperdrix:
>> Peter Pastor wrote:
>>> Hey Gilles,
>>>
>>> Thanks for the hint. I "fixed" this problem by loading the nvidia driver
>>> (instead of nv) as default. Now the graphic cards uses IRQ 24 which does
>>> not collide with IRQ 11 of the CAN bus card (see attached lspci.txt).
>>>
>>> The only other device that uses IRQ 11 is
>>> # 00:00.0 Host bridge [0600]: Intel Corporation 5520 I/O Hub to ESI Port
>>> [8086:3406] (rev 13)
>>>
>>> But I guess that is ok, is it ? I checked the FAQs and went through the
>>> list but I feel I can't do much. I will try a few things and disable
>>> everything that is unneeded. The FAQ list also suggests to enable
>>> CONFIG_PCI_MSI which is disabled right now. What would now be a
>>> reasonable thing to do ?
>> Keep PCI_MSI disabled. The FAQ is wrong and should be fixed.
> 
> Hi Gilles and Jan,
> 
> what is wrong with PCI_MSI? In late june there was a discussion on this list 
> about irq-sharing [1]. Jan's statement at the end of the discussion:
>> The better news is that modern hardware now more and more provides MSI,
>> and that's an inherently unshared IRQ source.
> 
> We consider ordering custom built pcie boards (msi) to solve the irq-sharing 
> problem i have with my pci board. Bad idea ?
> 
> Stefan
> 
> [1] https://mail.gna.org/public/xenomai-help/2010-06/msg00194.html

The patch Adeos as-is does not support MSI. See the thread here:
https://mail.gna.org/public/adeos-main/2008-08/threads.html

-- 
                                                                Gilles.


  reply	other threads:[~2010-10-11 21:45 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-09  6:44 [Xenomai-help] Xenomai and PEAK can bus card problem Peter Pastor
2010-10-09  8:03 ` Philippe Gerum
2010-10-09 18:09   ` Peter Pastor
2010-10-10 19:30     ` Peter Pastor
2010-10-10 21:28       ` Philippe Gerum
2010-10-11  6:19         ` Peter Pastor
2010-10-11  7:15       ` Gilles Chanteperdrix
2010-10-11 15:59         ` Peter Pastor
2010-10-11 19:10           ` Gilles Chanteperdrix
2010-10-11 19:29             ` Peter Pastor
2010-10-11 19:38             ` Wolfgang Grandegger
2010-10-11 21:23               ` Peter Pastor
2010-10-12  0:09                 ` Peter Pastor
2010-10-12  1:55                   ` Peter Pastor
2010-10-12  5:59                     ` Jan Kiszka
2010-10-12  7:37                   ` Wolfgang Grandegger
2010-10-12 15:28                     ` Peter Pastor
2010-10-12 17:25                       ` Jan Kiszka
2010-10-13  6:14                         ` Peter Pastor
2010-10-13  6:20                           ` Gilles Chanteperdrix
2010-10-13  6:31                             ` peter.pastor
2010-10-11 21:09             ` Stefan Kisdaroczi
2010-10-11 21:45               ` Gilles Chanteperdrix [this message]
2010-10-12  6:38                 ` Jan Kiszka
2010-10-09  9:58 ` Gilles Chanteperdrix

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