linux-kernel - Re: western digital caviar black. EXT4-fs error

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Message-ID: <CAAW1UO8vZtLq_SUOkG9QCzaxSxofc4RRntWA5bJQnx6BHcHq9g@mail.gmail.com>
Date:	Wed, 5 Sep 2012 01:38:58 +0400
From:	Azat Khuzhin <dohardgopro@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: western digital caviar black. EXT4-fs error

Ted, Thanks!
It fix my problem.

On Wed, Sep 5, 2012 at 12:37 AM, Azat Khuzhin <dohardgopro@...il.com> wrote:
> Ted, many thanks!
> I'll try to compile new kernel (maybe 3.4.x)
>
> On Tue, Sep 4, 2012 at 7:15 AM, Theodore Ts'o <tytso@....edu> wrote:
>> On Sat, Sep 01, 2012 at 11:48:17PM +0400, Azat Khuzhin wrote:
>>> Recently I update my HDD on desktop machine, and bought WD Caviar Black.
>>> But after I format & copy information to it (using dd), and fix
>>> partitions size: I have next errors in kern.log:
>>>
>>> Aug 28 01:49:03 home-spb kernel: [183245.030897] EXT4-fs error (device
>>> sdc2): ext4_mb_generate_buddy:739: group 3675, 32254 clusters in
>>> bitmap, 32258 in gd
>>
>> Sorry for the delay; you sent this to linux-kernel (and not the
>> linux-ext4 list).  It also took me a while to dig up the relevant fix
>> from my archives; normally, once a bug has been fixed (as this one
>> was, on June 7, 2012) I don't worry about it any more.
>>
>> The upstream fix is commit b0dd6b70f0fda17ae9762fbb72d98e40a4f66556.
>>
>> Note that you are using the 3.3.0 kernel.  This is a not long-term
>> supported kernel, so fixes from upstream are no longer being
>> backported to it.  The official Debian kernel (which tracks the 3.2.x
>> stable kernel series) has the backported bug fix.  So does the 3.4
>> long-term stable kernel series, as does the 3.5 kernel or any later
>> kernel.
>>
>> If you don't know how to backport a kernel patch, or even if you do, I
>> would strongly suggest that you either go back to the Debian standard
>> kernel for Wheezy, or track the 3.2.x or 3.4.x long-term stable
>> kernel.  (The fix is in v3.2.20 or later, and v3.4.3 or later ---
>> where those trees are up to v3.2.28, and v3.4.10, respectively.)
>> Otherwise, you may very well run into some other kernel bug which has
>> already been fixed upstream, and you'll just waste your time as well
>> as various other kernel developers.
>>
>> Regards,
>>
>>                                                 - Ted
>
>
>
> --
> Azat Khuzhin



-- 
Azat Khuzhin
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