memory not released after using cdrecord/cdrdao (was: audio cd writing causes massive swap and crash)

From: Eduard Bloch (blade_at_debian.org)
Date: 07/25/04 

Date:	Sun, 25 Jul 2004 11:46:05 +0200
To: linux-kernel@vger.kernel.org

#include <hallo.h>
* Ed Sweetman [Sat, Jul 17 2004, 04:00:13PM]:
> Both with 2.6.7-rc3 and 2.6.8-rc1-mm1 I get the same behavior when
> writing an audio cd on my plextor px-712a. DMA is enabled and normal
> data cds write as expected, but audio cds will cause (at any speed) the
> box to start using insane amounts of swap (>150MB) and eventually cause

Just FYI: we have a similar bug description in the Debian BTS, where the
user reports that kernel does not release memory assigned to userspace
after cdrdao or cdrecord have used it (writting in DAO mode), though he
could not find what allocated this memory. For details:
http://bugs.debian.org/256871 (dump attached).

Regards,
Eduard. 

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