On Tue, 19 Sep 2006, John Haxby wrote:

> Alan Stern wrote:
> > Try taking a look at this bug report, especially comment #52.
> >
> > http://bugzilla.kernel.org/show_bug.cgi?id=5835
> >   
> Thanks Alan.  It looked very promising for a while.   These messages 
> that previously appeared among the boot-time dmesg output are no longer 
> present:
> 
>     PCI: VIA IRQ fixup for 0000:00:0f.1, from 0 to 1
>     PCI: VIA IRQ fixup for 0000:00:10.4, from 11 to 2
>     PCI: VIA IRQ fixup for 0000:00:10.0, from 11 to 2
>     PCI: VIA IRQ fixup for 0000:00:10.1, from 11 to 2
>     PCI: VIA IRQ fixup for 0000:00:10.2, from 11 to 2
>     PCI: VIA IRQ fixup for 0000:00:10.3, from 11 to 2
>       
> 
> so it looked promising. I thought that bug report looked promising the 
> first time I came across it, but that was before the patch in comment 
> #52.   It looked promising for almost five hours and then I got the 
> jerky mouse and the error messages I previously reported (identical, so 
> far as I can tell).
> 
> I've tried disabling irqbalance as suggested in comment #45 in that bug 
> and we'll see if that helps (I don't seem to have mentioned that I have 
> an Althon64 X2 4600+ and running with a 64 bit kernel).
> 
> Do you have any other suggestions? 

You have CONFIG_USB_DEBUG set, right?  What shows up in the dmesg log when 
that jerkiness appears?

What happens to the mouse if you run without ehci-hcd loaded?

Alan Stern


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