From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?SsOpcsO0bWUgUG91bGlu?= Subject: Re: BUG: spinlock lockup while performing FS operations and detected stalls on CPUs / tasks. Date: Sat, 8 Oct 2011 09:36:42 -0400 Message-ID: <5617831734450003872@unknownmsgid> References: <4E8FE4E5.9040606@russia.ru> Mime-Version: 1.0 (iPhone Mail 8J2) Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4E8FE4E5.9040606@russia.ru> Sender: linux-kernel-owner@vger.kernel.org To: =?UTF-8?B?0JLQsNC70LXRgNC40Lk=?= Cc: "linux-kernel@vger.kernel.org" , "neilb@suse.de" , "linux-raid@vger.kernel.org" , "axboe@kernel.dk" , "duaneg@dghda.com" , Alexander Beregalov List-Id: linux-raid.ids 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. Envoy=C3=A9 de mon appareil mobile. J=C3=A9r=C3=B4me Poulin Solutions G.A. On 2011-10-08, at 01:52, =D0=92=D0=B0=D0=BB=D0=B5=D1=80=D0=B8=D0=B9 wrote: > So, this IDE drive has non-critical SMART errors listed at end of mes= sage by command smartctl --all /dev/sde. It is unclear how this might a= ffect the command dd.