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SubjectRe: IDE DMA/irq timeouts
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

> > Since upgrading our servers to kernel version 2.2.10 and 2.2.12 I have
> > noticed increasing instability with the hard discs.
>
> There are basically no IDE changes between 2.2.10 and 2.2.12.

To clarify: we didn't experience the ide bus resets on 2.2.9 and below,
but we do on 2.2.10 and above.

> > The servers I use (all single processor configurations) present the
> > following errors:
> >
> > hdb: irq timeout: status=0xd0 { Busy }
> > hda: DMA disabled
>
> Did you build 2.2.10 without IDE_DMA_AUTOTUNE and 2.2.12 with it ?

Both were built with CONFIG_IDEDMA_AUTO. Previous kernels to 2.2.10 were
also built with this option.

Nick.

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