Re: 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2 vectors

[David Miller]

From: mroos@xxxxxxxx
Date: Mon, 21 Aug 2017 22:20:22 +0300 (EEST)

>> I think with this patch from -rc6 the symptoms should be cured:
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c005390374957baacbc38eef96ea360559510aa7
>> 
>> if that theory is right.
> 
> The result with 4.13-rc6 is positive but mixed: the message about MSI-X 
> affinty maks are still there but the rest of the detection works and the 
> driver is loaded successfully:

Is this an SMP system?

I ask because the commit log message indicates that this failure is
not expected to ever happen on SMP.

We really need to root cause this.