Re: VIA KT133A crash *post* 2.4.3-ac6

[Alan Cox]

> With DMA (UDMA Mode 5) enabled, my machine crashes on kernel versions 
> from 2.4.3-ac7 onwards up to 2.4.5 right up to 2.4.5-ac13. 2.4.3 vanilla 
> and 2.4.3-ac6 are completely stable. -ac7 of course is when a load of 
> VIA fixes were done. :-}

Unfortunately there isnt a great deal I can do but say 'talk to VIA'. 

> With DMA (any setting, but UDMA mode 5 preferred of course) enabled, on 
> kernels 2.4.3-ac7 and onwards, random lockup on disk access within first 
> few minutes of use - sometimes very quickly after boot, sometimes as 
> much as ten minutes later given use. Running bonnie -s 1024 once or 

Yep. Lots of people see these. I even have people reporting it and not reporting
it on the same board.

Only known cure its to not use DMA.