linux-kernel - Re: next-20090206: deadlock on ext4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 6 Feb 2009 21:04:08 +0300
From:	Alexander Beregalov <a.beregalov@...il.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	linux-ext4@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: next-20090206: deadlock on ext4

2009/2/6 Eric Sandeen <sandeen@...hat.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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/