From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4CB3857C.30303@domain.hid> Date: Mon, 11 Oct 2010 23:45:32 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4CB36116.8090507@domain.hid> <201010112309.22031.kisda@domain.hid> In-Reply-To: <201010112309.22031.kisda@domain.hid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-help] Xenomai and PEAK can bus card problem List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Kisdaroczi Cc: Jan Kiszka , xenomai@xenomai.org 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.