Re: [Bug 9274] segfault after upgrade from 2.6.19.4 to 2.6.23.1

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On Friday 02 November 2007 18:44:40 you wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=9274
>
>
> sshtylyov@xxxxxxxxxxxxx changed:
>
>            What    |Removed                     |Added
> ---------------------------------------------------------------------------
>- CC|                            |marogge@xxxxxxxxxxxxx
>
>
>
>
> ------- Comment #4 from sshtylyov@xxxxxxxxxxxxx  2007-11-02 10:44 -------
> (In reply to comment #3)
>
> > Created an attachment (id=13381)
>
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=13381&action=view)
> [details]
>
> > Do not use MRDMODE for interrupt status on PCI-64[89]
> >
> > This is not a final patch at this point, but the one that should show us
> > whether  MRDMODE is not usable for the interrupt status despite what the
> > chip specs say...
>
> Martin, this bug looks like your report too. Please try the patch attached
> and report the result. Sorry for a long delay -- I've been busy with other
> stuff.

Hi,

I am not sure I can reply directly to bugzilla.kernel.org...

Anyway, I applied the patch to 2.6.23 (had to transcribe the last chunk 
manually). The resulting code is not pretty, but it fixes the problem. 

The debugging output shows a lot of lines ending in 

irq_stat: 0x04 mrdmode: 0x04

cu Martin

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