2.4.19-pre4 IDE-problem

jarausch@igpm.rwth-aachen.de
Fri, 22 Mar 2002 14:59:43 +0100


Hi all

on my Supermicro Serverworks board
with an onboard Serverworks ide controller and
a Promise Ultra 133-TX2 ide controller

the kernel hangs when accessing an Iomega
Zip (Atapi) drive.
I've configured IDEDMA_ONLYDISK=y and
BLK_DEV_IDESCSI=y

This configuration works just fine with
a 2.4.18 kernel with the IDE-patches from
/pub/linux/kernel/people/hedrick/ide-2.4.18

on 2.4.19-pre3 and -pre4 I get
ide_dmaproc: chipset supported ide_dma_lostirq func only: 13
hdd: lost interrupt (that is the ZIP drive)

Serverworks OSB4 in impossible state
Disable UDMA ....

If I disable UDMA, doesn't get my 24x CDwriter
slow? Does it affect the speed of my ATA133 harddisks on the
Promise controller?

Thanks for advice,

Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
Institute of Technology, RWTH Aachen
D 52056 Aachen, Germany

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