linux-kernel - Re: [tip:x86/apic] x86/irq: Update irq_cfg domain unless the new affinity is a subset of the current domain

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Date:	Tue, 7 Aug 2012 17:31:49 +0200
From:	Robert Richter <robert.richter@....com>
To:	<mingo@...nel.org>, <hpa@...or.com>,
	<linux-kernel@...r.kernel.org>, <akpm@...ux-foundation.org>,
	<torvalds@...ux-foundation.org>, <a.p.zijlstra@...llo.nl>,
	<suresh.b.siddha@...el.com>, <tglx@...utronix.de>
CC:	<linux-tip-commits@...r.kernel.org>,
	"Petkov, Borislav" <borislav.petkov@....com>
Subject: Re: [tip:x86/apic] x86/irq: Update irq_cfg domain unless the new
 affinity is a subset of the current domain

On 06.06.12 08:03:58, tip-bot for Suresh Siddha wrote:
> Commit-ID:  332afa656e76458ee9cf0f0d123016a0658539e4
> Gitweb:     http://git.kernel.org/tip/332afa656e76458ee9cf0f0d123016a0658539e4
> Author:     Suresh Siddha <suresh.b.siddha@...el.com>
> AuthorDate: Mon, 21 May 2012 16:58:01 -0700
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Wed, 6 Jun 2012 09:51:22 +0200
> 
> x86/irq: Update irq_cfg domain unless the new affinity is a subset of the current domain

This commit causes a sata error and thus a boot failure:

 ACPI: Invalid Power Resource to register!ata1: lost interrupt (Status 0x50)
 ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x40000000 action 0x6 frozen
 ata1: SError: { }
 ata1.00: failed command: READ DMA

Reverting it as following helped:

 $ git revert d872818dbbeed1bccf58c7f8c7db432154c802f9
 $ git revert 1ac322d0b169c95ce34d55b3ed6d40ce1a5f3a02
 $ git revert 332afa656e76458ee9cf0f0d123016a0658539e4

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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