Re: [BK PATCHES] 2.6.x libata update

Martin Schlemmer
2004-02-14T18:29:09Z

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On Fri, 2004-02-13 at 23:03, Jeff Garzik wrote:
> Martin Schlemmer wrote:
> > On Fri, 2004-02-13 at 20:43, Jeff Garzik wrote:
> >
> > Hi
> >
> >
> >><jgarzik@redhat.com> (04/02/13 1.1634)
> >> [libata] catch, and ack, spurious DMA interrupts
> >>
> >> Hardware issue on Intel ICH5 requires an additional ack sequence
> >> over and above the normal IDE DMA interrupt ack requirements. Issue
> >> described in post to freebsd list:
> >> http://www.mail-archive.com/freebsd-stable@freebsd.org/msg58421.html
> >>
> >> Since the bug workaround only requires a single additional PIO or
> >> MMIO read in the interrupt handler, it is applied to all chipsets
> >> using the standard libata interrupt handler.
> >>
> >> Credit for research the issue, creating the patch, and testing the
> >> patch all go to Jon Burgess.
> >>
> >
> >
> > Did you miss the mail I sent about this locking my box in under
> > 20-30 mins? It still looks the same as the previous one ....
>
>
> Yes, I did. Can you test 2.6.3-rc2 + this patch?
>

Yep, it still breaks it. I get a dma timeout on heavy disk access,
and then things start to freeze (or do not start at all). Seems
Jon is hitting the same issue with -bk4.

If you need debugging/whatever, just let me know what to do

Thanks,

--
Martin Schlemmer

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