linux-kernel - Re: 2.6.29 regression: ATA bus errors on resume

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Message-ID: <4AC3325D.3060505@gmail.com>
Date:	Wed, 30 Sep 2009 19:26:37 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Berthold Gunreben <b.gunreben@....de>
CC:	"linux.kernel" <linux-kernel@...r.kernel.org>,
	Theodore Tso <tytso@....edu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Niel Lambrechts <niel.lambrechts@...il.com>
Subject: Re: 2.6.29 regression: ATA bus errors on resume

Hello,

Berthold Gunreben wrote:
> It could still be the power supply of course, but I don't understand
> why a new kernel would trigger power outages so often (current
> kernels triggered the problem latest after 5 minutes).

Probably because older kernels didn't handle barrier properly for
raid.  Changing fs can definitely affect things but if I were you I
wouldn't be trusting any valuable data on that configuration.

-- 
tejun
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