Re: 2.5 Problem Report Status for 10 Nov

[Greg Boyce]

On Sun, 10 Nov 2002, Thomas Molina wrote:

> I apologize for not being able to get a report out last week; I'm in the
> middle of a career change (anyone need a system administrator?).  I've
> (mostly) kept up with traffic, but there are a lot of older items I've not
> been able to close out.

> ------------------------------------------------------------------------
>    open   08 Nov 2002 piix driver oops
>   99. http://marc.theaimsgroup.com/?l=linux-kernel&m=103677362411873&w=2

There was apparently a patch to fix this that didn't get included with
2.5.47.  I'm not sure if it's a correct fix or not, but it did stop the
crashes for my machine.

Here it is.

http://www.cs.helsinki.fi/linux/linux-kernel/2002-44/1684.html

--- linux-2.5.46/drivers/ide/ide-dma.c.~1~	2002-11-08 09:29:10.000000000 +0100
+++ linux-2.5.46/drivers/ide/ide-dma.c	2002-11-08 10:05:12.000000000 +0100
@@ -926,7 +926,7 @@
 		request_region(base+16, hwif->cds->extra, hwif->cds->name);
 		hwif->dma_extra = hwif->cds->extra;
 	}
-	hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base : base;
+	hwif->dma_master = (hwif->channel && hwif->mate) ? hwif->mate->dma_base : base;
 	if (hwif->dma_base2) {
 		if (!request_region(hwif->dma_base2, ports, hwif->name))
 		{

Gregory Boyce