From: Alexander Beregalov <a.beregalov@gmail•com>
To: Eric Sandeen <sandeen@redhat•com>
Cc: "linux-next@vger•kernel.org" <linux-next@vger•kernel.org>,
linux-ext4@vger•kernel.org, LKML <linux-kernel@vger•kernel.org>
Subject: Re: next-20090206: deadlock on ext4
Date: Fri, 6 Feb 2009 21:04:08 +0300 [thread overview]
Message-ID: <a4423d670902061004i424817e1vd699a61e335f010a@mail.gmail.com> (raw)
In-Reply-To: <498C7671.1050309@redhat.com>
2009/2/6 Eric Sandeen <sandeen@redhat•com>:
> Alexander Beregalov wrote:
>> Hi
>>
>> I run dbench on ext4 on loop device.
>>
>> EXT4-fs: barriers enabled
>> kjournald2 starting: pid 2420, dev loop0:8, commit interval 5 seconds
>> EXT4 FS on loop0, internal journal on loop0:8
>> EXT4-fs: delayed allocation enabled
>> EXT4-fs: file extents enabled
>> EXT4-fs: mballoc enabled
>> EXT4-fs: mounted filesystem loop0 with ordered data mode
>> JBD: barrier-based sync failed on loop0:8 - disabling barriers
>>
>> INFO: task pdflush:2339 blocked for more than 120 seconds.
>
> Looks a lot like a bug I filed:
>
> http://bugzilla.kernel.org/show_bug.cgi?id=12579
>
> but I'm having trouble reproducing it, now. I'll try dbench!
Yes, I can reproduce it easy with dbench.
next prev parent reply other threads:[~2009-02-06 18:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-06 17:35 next-20090206: deadlock on ext4 Alexander Beregalov
2009-02-06 17:42 ` Eric Sandeen
2009-02-06 18:04 ` Alexander Beregalov [this message]
2009-02-06 20:07 ` Eric Sandeen
2009-02-09 12:01 ` Alexander Beregalov
2009-02-13 22:21 ` Eric Sandeen
2009-02-18 9:56 ` Alexander Beregalov
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