Gerry, > On Aug 9, 2015, at 1:15 AM, Jiang Liu <[email protected]> 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 <[email protected]> > Reported-by: Alex Deucher <[email protected]> > Reported-by: Mark Rustad <[email protected]> > Reported-by: Alexander Holler <[email protected]> > --- > 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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