Re: 2.5.69 panic in ide_dma_intr on Via KT400

Chuck Berg (chuck@encinc.com)
Thu, 15 May 2003 00:29:27 -0400

On Wed, May 14, 2003 at 12:24:57PM +0100, Alan Cox wrote:
> On Mer, 2003-05-14 at 05:56, Chuck Berg wrote:
> > I have a machine with a Soyo Dragon motherboard (Via KT400 chipset) that
> > when booting 2.5.69 panics while detecting the ide drives. First I get
> > "hde: lost interrupt" and after a few more errors, a panic.
>
> Disable ACPI

Booting with pci=noacpi or acpi=off results in hda and hdc coming
up without DMA, which leaves the disk unusably slow. hdparm -d1 says
"HDIO_SET_DMA failed: Operation not permitted" (I tried with -X34 and
-X66 also).

Bootup messages from 2.5.69 with pci=noacpi:
http://encinc.com/~chuck/kt400/2.5.69-pci=noacpi.txt

Bootup messages from 2.5.69 with acpi=off:
http://encinc.com/~chuck/kt400/2.5.69-acpi=off.txt

lspci -vvv, /proc/{cpuinfo,interrupts,iomem,ioports}:
http://encinc.com/~chuck/kt400/2.5.69-pci=noacpi-info.txt

.config:
http://encinc.com/~chuck/kt402/config-2.5.69.txt

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