lkml.org 
[lkml]   [2015]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7
From
Date
Am 09.08.2015 um 10:15 schrieb Jiang Liu:
> 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.
>
> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
> Reported-by: Alex Deucher <alexdeucher@gmail.com>
> Reported-by: Mark Rustad <mrustad@gmail.com>
> Reported-by: Alexander Holler <holler@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?

Works. Thanks.

Tested-by: Alexander Holler <holler@ahsoftware.de>




\
 
 \ /
  Last update: 2015-08-09 12:41    [W:0.140 / U:0.872 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site