From: Stefan Priebe <s.priebe@profihost.ag>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>,
stable@vger.kernel.org, Greg KH <gregkh@linuxfoundation.org>,
adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org
Subject: Re: ext4 hung tasks in linux-stable 3.0.41
Date: Sat, 01 Sep 2012 10:41:29 +0200 [thread overview]
Message-ID: <5041CA39.7080401@profihost.ag> (raw)
In-Reply-To: <20120831175903.GB6342@thunk.org>
Am 31.08.2012 19:59, schrieb Theodore Ts'o:
> On Fri, Aug 31, 2012 at 11:28:59AM +0200, Jan Kara wrote:
>>>
>>> Is this problem known? Or is there a fix for 3.0.X available?
>> From a quick look, processes are waiting for IO so it may be that your
>> disk is just loaded... Did it start happening after some change? Or do you
>> experience unexpectedly low performance?
>
> All of the processes waiting for I/O are waiting for a directory
> block. This makes me suspicious that perhaps an interrupt or I/O
> request got lost.
>
> Is this a repeatable failure, and is the stack traces always the same?
>
> If so, you might want to try running badblocks on the device and make
> sure that hardware issues have been ruled out.
But but SMART is OK and i see no I/O errors from AHCI. But i'll try to
replace the disk and see if this fixes it.
Stefan
prev parent reply other threads:[~2012-09-01 8:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-31 7:43 ext4 hung tasks in linux-stable 3.0.41 Stefan Priebe - Profihost AG
2012-08-31 9:28 ` Jan Kara
2012-08-31 9:51 ` Stefan Priebe - Profihost AG
2012-08-31 17:59 ` Theodore Ts'o
2012-09-01 8:41 ` Stefan Priebe [this message]
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