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SubjectRe: UDMA causes IDE corruption on Shuttle AK32L mobo (VIA KT266A), kernel 2.4.1[89]
On Fri, 2002-11-29 at 20:15, Jim Halfpenny wrote:
> I have seen the behaviour using the stock 2.4.18 kernel from Mandrake
> 8.2. and the 2.4.19 kernel from Mandrake 9.0:
> Linux version 2.4.19-16mdk ( (gcc version
> 3.2 (Mandrake Linux 9.0 3.2-1mdk)) #1 Fri Sep 20 18:15:05 CEST 2002

Vendor kernel reports generally ahould go to the vendor, because the
vendor kernels are often quite different from the base one.

> There are no log entries in /var/log/messages or /var/log/syslog when
> these faulty writes take place to indicate that there are any problems
> but copying a large file and checking it's md5sum shows it to be
> damaged.

UDMA data transfers are verified by hardware end to end. UDMA showing up
memory problems is not unknown, but thats only one possibility.

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