Re: [git patch] improve INTx toggle for PCI MSI

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2006/12/8, Linus Torvalds <[email protected]>:


On Thu, 7 Dec 2006, Jeff Garzik wrote:
>
> "it boots" on ICH7 at least.

Ok. Pulled, pushed out.

There was some noise saying that this may actually fix the problems with
the NVidia "Intel HDA" sound situation? Can people who saw that issue try
it out whether this just makes MSI works for them?

Takashi added to the To: field, because he hopefully remembers and has a
clue about the proper identities in question.. Iirc, you needed to have
not only a NVidia chipset, but also have the legacy interrupt shared with
some other device to see the problem.

Well, I'm on vacation now, so cannot answer much, too :)

IIRC, the problem was with HD-audio and network devices on Nvidia.
The explicit call of pci_intx() (currently implemented in hd-audio
driver locally) helped avoiding the orphan irq problem, but doesn't
fix the MSI problem itself.  (Some might have been fixed indeed,
but I don't have reports in hands.)


Takashi
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