Re: mozilla+XFree86+Linux-2.1.x => HARD LOCKUP (addition)

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 7 Dec 1998 13:07:01 +0000 (GMT)

> > I have a VIA and get lockups with DMA to my IDE disk, unless
> > I do hdparm -X34 as well.
>
> I don't think so, but I can't tell for sure. The problem happened
> in the sound code when the driver attempted to figure out how much the DMA
> transfer had progressed, by accessing the counter in the ISA DMA
> controller. Under heavy CPU load, and for some unknown reason, the VIA

I've seen several VIA + (other DMA) and VIA + IDE dma = lockup problems.
You can tell the chipset lockup easily. The reset button wont get you out
of it on an ATX board you actually need to use the hard power off stuff
on the back.

> runs when it gets its interrupt. Maybe Alan can aswer this one, Alan?

Who knows. VIA don't answer emails.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/