On 04/06/2011 03:21 PM, John Mellor wrote: > On Wed, 2011-04-06 at 10:31 -0400, Lamar Owen wrote: >> On Tuesday, April 05, 2011 07:20:40 PM compdoc wrote: >>> So what you're saying is, while the M-Audio 1010 is working the ps/2 stuff >>> fails, and when the M-Audio 1010 has stopped working due to >>> suspend/hibernate the PS/2 stuff works fine. Coincidence? >>> >>> I find it odd that anything would interfere with a ps/2 keyboard, since it's >>> on such a low and well known IRQ. Keyboard is 1 and mouse is 12. >> I've seen issues with the M-Audio Delta 1010 and other Envy24-based boards >> with IRQ steering; I have a laptop with a dock that has a PCI slot in it, >> and have run a Delta 1010LT (same Envy24/ICE1712 chip; and it's the older >> 'still works with Linux/ALSA' version) in it. >> >> If I loaded the nvidia kmod, the nvidia GPU grabs an IRQ; just so happens >> the PCI slot in the dock and the GPU share the same physical INT line, and >> either the nvidia or the Envy24's driver apparently doesn't handle IRQ >> sharing very well. With the nvidia kmod loaded, I get frequent ALSA xruns, >> which glitch the audio. Running the alternative nvidia drivers found in >> Fedora just causes performance to drop substantially; I then get JACK xruns, >> and still have glitches.... This is both with and without the preemption-RT >> patched kernel. But it was an older Fedora; haven't tried in a while, since >> I installed the Delta 1010LT somewhere else and began using a different >> audio interface on the laptop. >> >> To the OP: try putting the Delta 1010 in a different physical PCI slot, or >> use a USB keyboard (just make sure, using 'cat /proc/interrupts' that the >> ice1712 entry has its own IRQ and doesn't share with anything else). > Interesting. I have the opposite problem on my abit motherboard. The > PS2 mouse happens to work and my preferred USB mouse just locks up about > 5 times per day. > > Is this a known problem with a simple fix? > I wonder if this is a "missed interrupts" problem. Is the mouse's IRQ shared with some other device?
-- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
