Messages in this thread | | | Date | Wed, 16 Jul 2003 19:03:52 +0200 | From | Jens Axboe <> | Subject | Re: PS2 mouse going nuts during cdparanoia session. |
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On Wed, Jul 16 2003, Dave Jones wrote: > I've decided to oggify my CD collection, and every now and > again, the mouse pointer goes bezerk is if I had been > shaking it around and randomly clicking on things. > In the logs are lots of.. > > psmouse.c: Lost synchronization, throwing 3 bytes away. > > It only happens whilst cdparanoia is reading from the CD. > The IDE CD drive is using DMA, and interrupts are unmasked. > according to the logs, its happened 32 times since I last > booted.. /proc/interrupts shows that the i8042 is using > a different interrupt to the IDE devices.. > > Mouse is a logitech wheely PS/2 mouse, using ImPS/2 protocol > in X config reading from /dev/psaux. > > This is using 2.6test1, I'don't recall ever seeing this > happen in 2.4, but it did occur for a while earlier in 2.5, > and I forgot about it until now. > > Any ideas?
Yes. You can try and make the situation a little better by unmasking interrupts with -u1. Or you can try and use a ripper that actually uses SG_IO, that way you can use dma (and zero copy) for the rips. That will be lots more smooth.
-- Jens Axboe
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