On Tue, 2005-11-22 at 10:20 +0100, Hans Verkuil wrote: > >> > The second drawback is just an extra motivation for people to update > >> > their kernel, so I wouldn't take it too serious. > >> > > >> > If people have no big objections I will implement a patch that does > >> > these changes and post it here. > >> > >> Sure! Please make a ticket for it and attach the patch > >> (ivtvdriver.org/trac). That way it isn't lost in the noise. > > I assume I make the patch against trunk? or 0.5.0? > > Trunk is easiest, I think. Ticket #57 filed with patch attached. Hope I got it right. > > >> > >> > > >> > Regards, > >> > > >> > Sigmund A. Helberg > >> > > >> > P.S the README.devices say the maximum number of cards is 12. We > >> > failed even booting with more than 8, is this because of the pvr350 > >> > itself, or is it a problem with the chipset on our box? Someone > >> > mentioned something about lacking interrupt sharing. > >> > >> Interrupt sharing should work fine. Does the boot fail as soon as the > >> ivtv driver is loaded? If it's before that then it has nothing to do > >> with ivtv. > > We managed to go from 5 to 8 cards by modifing the driver, so the > > problem with more than 8 cards is definitly not in the driver. > > What modification? The vbi minor numbering? The change that made the difference was in in videodev.c of v4l, and is allready applied there. It to was related to vbi devices, but in a slightly different fashion. That change along with this one is imo the clean fix. > > > I have > > not personally tried this excersice (and will not be able to, > > unfortunatly), but from what I understand it did not even get past POST. > >> And how do you manage to cram more than 8 pvr350 cards into > >> one PC? > > Very simply by using a pc with more than 8 pci slots. > > I didn't know they existed. I thought you were using an external PCI box > (don't know the correct name but we have one at work). Perhaps this is something in between. It is a picmg "passive backplane" with lots of slots, and a "single board computer" connected in one of them.
Sigmund _______________________________________________ > ivtv-devel mailing list > ivtv-devel@ivtvdriver.org > http://ivtvdriver.org/mailman/listinfo/ivtv-devel _______________________________________________ ivtv-devel mailing list ivtv-devel@ivtvdriver.org http://ivtvdriver.org/mailman/listinfo/ivtv-devel
