Re: [Xen-devel] Commit 1aeb1156fa43fe2cd2b5003995b20466cd19a622: "x86 don't change affinity with interrupt unmasked", APCI errors and assorted pci trouble

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 14.04.15 at 14:46, <linux@xxxxxxxxxxxxxx> wrote:
> On Xen without "x86 don't change affinity with interrupt unmasked"
> - 3.16 && 3.19 && 4.0 all work fine 
> 
> On Xen with "x86 don't change affinity with interrupt unmasked" 
> - 3.16 (which is before that kernel refactoring series) works fine.
> - 3.19, 4.0 both give the dom0 kernel hangs and the :
>         (XEN) [2015-03-26 20:35:42.205] APIC error on CPU0: 00(40)
>         (XEN) [2015-03-26 20:35:42.372] APIC error on CPU0: 40(40)
> 
> (haven't tested 3.17 and 3.18 because these have asorted problems due that 
>  series that weren't fixed in time before stable updates ended.)
> 
> So it seems Jan's patch seems to interfere with that patch series.

And just FYI - I can see this myself, I simply hadn't run that code on
my AMD box yet. So I have a way to debug it, just needing to find
time to do so.

Jan


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