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From: Juergen Kreileder <jk@blackdown.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Alasdair G Kergon <agk@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: BUG at drivers/md/kcopyd.c:146
Date: Fri, 21 Apr 2006 17:12:47 +0200	[thread overview]
Message-ID: <871wvraro0.fsf@blackdown.de> (raw)
In-Reply-To: <20060420124852.17dc7417.akpm@osdl.org> (Andrew Morton's message of "Thu, 20 Apr 2006 12:48:52 -0700")

Andrew Morton <akpm@osdl.org> writes:

> (restored Juergen's cc)

[The cc list was correct actually, I had set a Mail-Followup-To header.]

> Alasdair G Kergon <agk@redhat.com> wrote:
>>
>> On Sat, Apr 15, 2006 at 01:19:51PM +0200, Juergen Kreileder wrote:

[...]

>> I found several bugs in the snapshot code when I reviewed it,
>> including (thankfully hard-to-trigger) silent data corruption.
>>
>> Patches went into 2.6.17-rc1.  [There's one unfinished patch
>> outstanding for a theoretical race that I've only been able to
>> reproduce under artificial conditions.]
>>
>>> kernel BUG at drivers/md/kcopyd.c:146!
>>
>> Probably needs this patch (12th March):
>>
>> dm snapshot: fix kcopyd destructor
>>
>
> Thanks, I've appended a copy here.
>
> Juergen, can you please test this?

Works fine so far but it's too early to call it fixed.
I'll let it run over the weekend and report back.


        Juergen

-- 
Juergen Kreileder, Blackdown Java-Linux Team
http://blog.blackdown.de/

  reply	other threads:[~2006-04-21 15:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-20 21:11 [PATCH 1/9] device-mapper snapshot: load metadata on creation Alasdair G Kergon
2006-01-23  5:33 ` Andrew Morton
2006-01-23 15:34   ` Alasdair G Kergon
2006-04-15 11:19 ` BUG at drivers/md/kcopyd.c:146 (was: [PATCH 1/9] device-mapper snapshot: load metadata on creation) Juergen Kreileder
2006-04-20 17:05   ` Alasdair G Kergon
2006-04-20 19:48     ` Andrew Morton
2006-04-21 15:12       ` Juergen Kreileder [this message]
2006-04-24 18:31         ` BUG at drivers/md/kcopyd.c:146 Juergen Kreileder

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