Re: usb-ohci mouse lockups on National Geode system

[Patrik Staehli]

>>We are experiencing usb mouse freezing with different 2.4.x kernels 
>>(tested: 2.4.1, 2.4.17 and 2.4.20). In 2.4.20 it's actually much more 
>>frequent than in the older ones.
>>The freezing lockups only happen when the ide disk is active and the 
>>mouse is being moved during that time.
> 
> Sounds like a bug in ohci, but it may be hard to track down.
> In the meantime, use "hdparm -u 1 /dev/hda" in your boot scripts
> as a workaround.

I tried it, but there are no noticeable improvements. This maybe 
indicates that it's a general interrupt timing problem with the ohci driver?

/Patrik