linux-kernel - Re: ATA failure regression in kernel 4.2

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Message-ID: <55BB500F.8050706@ahsoftware.de>
Date:	Fri, 31 Jul 2015 12:38:07 +0200
From:	Alexander Holler <holler@...oftware.de>
To:	Alex Deucher <alexdeucher@...il.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: ATA failure regression in kernel 4.2

Am 28.07.2015 um 20:37 schrieb Alexander Holler:

> Same problem here with the AMD SATA controller (1022:7801). It failed to
> identify the second disk when using 4.2-rc4.
>
> nointremap helped, nothing else tested

A quick look at the change history and two tests are suggesting that the 
right one already is in cc.

commit

f7fa7ae x86/irq: Avoid memory allocation in __assign_irq_vector()

fails while

af87bae x86/htirq: Use new irqdomain interfaces to allocate/free IRQ

works. Inbetween almost all changes are from Jiang Liu.

Haven't bisected it up to now but might do it later.

> Regards,
>
> Alexander Holler

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