On Thu, Feb 26, 2009 at 7:55 PM, Bradley Reed <bradreed1@xxxxxxxxx> wrote: > On Thu, 26 Feb 2009 19:20:48 -0200 > tizo <tizone@xxxxxxxxx> wrote: > > >> Looking at the different IRQ, I have saw that my sound card is sharing >> the IRQ 16 with an USB port, and the video driver. This is a cat of >> /proc/interrupts: >> >> I have searched a lot on Internet, and even in the list, and I have >> not found a way to change the IRQ assignments. In fact, I have read >> some mails that said that I can't do that in a laptop (except in some >> Thinkpads, where IRQ can be changed in the BIOS), as in PCs this can >> be done changing the card to other slot. In other places, some kernel >> parameters were suggested to obtain other IRQ assignments, but the >> only parameter that change those in my computer, was "acpi=off", and >> it was not better. In this case, /proc/interrupts shows the following: >> > When you load the snd-hda-intel module include the enable_msi=1 option. > I do this on my laptop by adding the line: > > options snd-hda-intel enable_msi=1 > > to my /etc/modprobe.d/sound file (but the file may be different on > your distro. I use Slackware.) > > This moves my sound card to an interrupt of its own on my laptop. > > HTH, > Brad > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user > That work perfectly. In my ubuntustudio the file to edit was /etc/modprobe.d/alsa-base. My sound card now has its own IRQ (508). I raise the priority of that IRQ, but sadly, the latency of jack did not improve. Thanks very much, tizo _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
