From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leopold Palomo Avellaneda Date: Tue, 1 Jul 2008 22:55:24 +0200 References: <200807010043.33331.leo@domain.hid> <200807012244.42278.leo@domain.hid> <486A97F3.1090606@domain.hid> In-Reply-To: <486A97F3.1090606@domain.hid> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1364730.siENGyAHzL"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200807012255.24978.leo@domain.hid> Subject: Re: [Xenomai-help] IRQs and PCIs List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org --nextPart1364730.siENGyAHzL Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline A Dimarts 01 Juliol 2008, Gilles Chanteperdrix va escriure: > Leopold Palomo Avellaneda wrote: > > A Dimarts 01 Juliol 2008, Gilles Chanteperdrix va escriure: > >> Leopold Palomo Avellaneda wrote: > >>> Hi, > >>> > >>> maybe is an off toppic, but probably some like me has this issue. I > >>> have a mainboard with several PCI and two PCIe. I can configure the > >>> PCIe to use with rtnet and xenomai without any important problem. > >>> > >>> The mobo has an eth and firewire and vga incorporated, so the pci are > >>> free. But now, I would like to add a pci network card. I have three: > >>> - on for our environtment > >>> - two for the rtnet (two robot controlers) > >>> > >>> and then I would like to have 4 > >>> - one for another network > >>> > >>> The problem that I have and I don't know how to solve is that the new > >>> pci network card share an irq with another device. So, in my case, I > >>> have problems with this. With rtnet, I solve this using pcie devices, > >>> but now I cannot. > >>> > >>> I have configure the xenomai kernel following the FAQ, and I have > >>> tested to assign an IRQ in the BIOS. But I have not be able to make t= he > >>> interface works. I have delays in the interface, and google says ;-) > >>> that is a problems of sharing IRQs with the eth. And I believe in that > >>> ... > >>> > >>> So, thinking that I would like to use this eth in a normal environment > >>> (not rtnet,) but in a box using xenomai, some of you have some > >>> "magical" idea, kernel parameter, etc to solve this issue? > >>> > >>> Thanks in advance, > >> > >> Well, maybe you can configure the cards controlled by rtnet to actually > >> share their irq ? Maybe this would free irqs for other cards ? > > > > it's no problem the rtnet card. I bought two pci-e and they have the MSI > > and irq 1275. It's the normal pci. > > > > Today I have done it work with the irqpoll option. But I don't know if > > this could make problems to the realtime. > > If you are not talking about a card use by rtnet, then there is no irq > sharing problem. nops, because the card that use rtnet has its own module, not a "normal"=20 kernel module a rtnet. But, what happens if I have a card, that uses comedi= =20 and rtdm and I need the irqpoll parameter? Leo =2D-=20 =2D- Linux User 152692 PGP: 0xF944807E Catalonia --nextPart1364730.siENGyAHzL Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBIapm8aC7AnPlEgH4RAi+CAJ0QASjD9j/d2DxDr6vWaZhDJOh9agCfSBuo zrjUNdo1HtezKBquKkIByf4= =guRE -----END PGP SIGNATURE----- --nextPart1364730.siENGyAHzL--