linux-kernel - Re: BUG: spinlock lockup while performing FS operations and detected stalls on CPUs / tasks.

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Date:	Sat, 8 Oct 2011 09:36:42 -0400
From:	Jérôme Poulin <jeromepoulin@...il.com>
To:	Валерий <paramonov@...sia.ru>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"neilb@...e.de" <neilb@...e.de>,
	"linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>,
	"axboe@...nel.dk" <axboe@...nel.dk>,
	"duaneg@...da.com" <duaneg@...da.com>,
	Alexander Beregalov <a.beregalov@...il.com>
Subject: Re: BUG: spinlock lockup while performing FS operations and detected
 stalls on CPUs / tasks.

As soon as smart says there are ANY problem, the disk IS going bad and
will have serious problem soon enough. Especially READ DMA errors
which mean it reallocate sectors. Consumer level disk try to hide
problems as hard as they can until the disk finally fail. Try ddrescue
from disk to /dev/null to check for speed, I guess it is slow.

Envoyé de mon appareil mobile.

Jérôme Poulin
Solutions G.A.

On 2011-10-08, at 01:52, Валерий <paramonov@...sia.ru> wrote:

> So, this IDE drive has non-critical SMART errors listed at end of message by command smartctl --all /dev/sde. It is unclear how this might affect the command dd.
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