Re: Regression in 32-bit ppc kernel

[Benjamin Herrenschmidt]

On Wed, 2012-04-25 at 10:00 -0500, Larry Finger wrote:
> 
> After a few tries, I managed to change over to pata_macio.
> Fortunately, most of 
> the system used dev-by-id or UUID, thus most of the process was
> getting all the 
> kernel pieces built in.
> 
> Unfortunately, the original problem remains. I have resumed the
> bisecting - only 
> 11 steps to go. I should have it by Friday! :)
> 
Thanks !

Do we know what the bad interrupt maps to ? Also what is the value of
NR_IRQ and do you have SPARSE_IRQ enabled ? Can you try with the latter
disabled and NR_IRQ set to something large, such as 128 ?

(You may be able to check the interrupt mapping in debugfs)

Cheers,
Ben.


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