Gerry,
> On Aug 9, 2015, at 1:15 AM, Jiang Liu <jiang....@linux.intel.com> wrote:
>
> Alex Deucher, Mark Rustad and Alexander Holler reported a regression
> with the latest v4.2-rc4 kernel, which breaks some SATA controllers.
> With multi-MSI capable SATA controllers, only the first port works,
> all other ports times out when executing SATA commands. This regression
> bisects to 52f518a3a7c2 ("x86/MSI: Use hierarchical irqdomains to manage
> MSI interrupts"), but it's not the root cause, it just triggers a bug
> caused by b5dc8e6c21e7 ("x86/irq: Use hierarchical irqdomain to manage
> CPU interrupt vectors").
>
> With this patch applied, the affected SATA controllers work as expected.I see the same thing here as well. > Signed-off-by: Jiang Liu <jiang....@linux.intel.com> > Reported-by: Alex Deucher <alexdeuc...@gmail.com> > Reported-by: Mark Rustad <mrus...@gmail.com> > Reported-by: Alexander Holler <hol...@ahsoftware.de> > --- > Hi Alex, Mark and Alexandler, > Sorry for the long delay to root cause this regression, it's > really annoying. Could you please help test this patch against the > latest v4.2-rcx? It works for me. Thanks. -- Mark Rustad, Networking Division, Intel Corporation
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