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

From: Eduard Bloch
Date: Sun Jul 25 2004 - 04:47:57 EST


#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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Debian Bug report logs - #256871
cdrecord triggers memory leak in kernel space

Package: cdrecord; Reported by: Jeff King <peff-debbug@xxxxxxxx>; Date: Tue, 29
Jun 2004 15:48:02 UTC;
Maintainer for cdrecord is Joerg Jaspert <joerg@xxxxxxxxxx>; Source for
cdrecord is cdrtools.

View this report as an mbox folder.

-------------------------------------------------------------------------------
Report forwarded to debian-bugs-dist@xxxxxxxxxxxxxxxx, Joerg Jaspert
<joerg@xxxxxxxxxx>:
Bug#256871; Package cdrecord. Full text available.
-------------------------------------------------------------------------------
Acknowledgement sent to Jeff King <peff-debbug@xxxxxxxx>:
New Bug report received and forwarded. Copy sent to Joerg Jaspert
<joerg@xxxxxxxxxx>. Full text available.
-------------------------------------------------------------------------------

Message received at submit@xxxxxxxxxxxxxxx:

Received: (at submit) by bugs.debian.org; 29 Jun 2004 15:44:37 +0000