Just in case, do you run pd with the rt flag? Joël
Le lundi 28 mars 2011 à 22:02 -0400, Billy Stiltner a écrit : > On 3/28/11, yvan volochine <yvan...@gmail.com> wrote: > > On 03/28/2011 01:22 AM, Billy Stiltner wrote: > >> I actually tried a smaller patch on both ubuntu studio 10.10 as well > >> as puredyne 9.10. > >> On both systems the audio was flawless using a 6ms buffer in pd. > >> > >> So there is nothing wrong with my audio setup. > >> > >> But still the larger patch that runs fine on windows with 50ms buffer > >> will not run without glitching with jack on either linux system. > >> > >> There is a difference in gem's default video codec between linux and > >> windows. However I have tried the patch without even loading gem. > >> > >> What else could be the difference between linux and windows with pd? > > > > not with pd but there certainly are some differences in how the OS > > handles your hardware. > > IIUC you're getting into troubles as soon as the graphics are involved > > in your patch ? your internal soundcard is Nvidia as well as your > > graphic card, therefore my idea of trying with an external soundcard so > > Nvidia chip takes care of graphics only (not sure if that makes sense, > > coffee mode here). > > anyway, I wouldn't trust Nvidia for anything else than graphics but > > maybe that's just me.... > > > > 0.02 € > > _y > > > yvan, thanks for the suggestion. I will have to try that. I noticed > that both my sound card and SATA controller are both on IRQ 23 with > Puredyne. This is not so with windows. Possibly this explains the > problem. Allthough the glitching occurs when no file writing is > happening the patch does prepare some files to be written to at > startup. The SATA controller is managed by Nvidia as well as the > sound card. The audio chip(realtek) is separate from the Video and pci > controller. I have not seen mention of the Realtek drivers for linux. > So I will try to find out how to get Linux to use a differen't IRQ for > the SATA controller and see if that does the trick. I don't think the > BIOS allows for manually setting the IRQs of PCI devices but does > offer the reserving of IRQs or assigning them to ISA devices. This > discussion is getting off topic of PD but I would really like to use > PD with Linux on this machine. I'm probably better off deleting the > linux partitions though. > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
