Re: [BK PATCHES] 2.6.x libata update

[Martin Schlemmer]

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@xxxxxxxxxx> (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@xxxxxxxxxxx/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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