Re: [Xenomai-help] Xenomai and PEAK can bus card problem

[Stefan Kisdaroczi <kisda@domain.hid>]

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