From: Dimitrios Apostolou <jimis@gmx.net>
To: linux-kernel@vger.kernel.org
Subject: Re: kmemleak failure (was Re: backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused)
Date: Mon, 26 Nov 2012 01:19:54 +0200 [thread overview]
Message-ID: <1353885594.22969.34.camel@soupermouf> (raw)
In-Reply-To: <1353883315.22969.31.camel@soupermouf>
On Mon, 2012-11-26 at 00:41 +0200, Dimitrios Apostolou wrote:
> Hello,
>
> I tried running a kmemleak and DEBUG_SLUB enabled kernel, but almost
> within 5 minutes of starting the backup process, I got:
>
> [ 486.863124] kmemleak: Cannot allocate a kmemleak_object structure
> [ 486.887195] kmemleak: Automatic memory scanning thread ended
> [ 486.906604] kmemleak: Kernel memory leak detector disabled
Important detail: I decided to try kmemleak after suspecting a leak
because 'echo 3>/proc/sys/vm/drop_caches' left about 90MB out of 118MB
of ext4_inode_cache, and I found no way to get rid of that (via
remounting filesystems for example).
next prev parent reply other threads:[~2012-11-25 23:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1353851735.22969.18.camel@soupermouf>
2012-11-25 19:30 ` backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused Dimitrios Apostolou
2012-11-25 22:41 ` kmemleak failure (was Re: backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused) Dimitrios Apostolou
2012-11-25 23:19 ` Dimitrios Apostolou [this message]
2012-11-25 22:59 ` backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused Roland Eggner
2012-11-25 23:56 ` Alan Cox
2012-11-26 3:11 ` Roland Eggner
2012-12-06 14:20 ` Jan Kara
2012-12-06 15:15 ` Dimitrios Apostolou
2012-12-06 16:43 ` Jan Kara
2012-12-07 15:26 ` Dimitrios Apostolou
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