canberra-gtk-play gobbles ram when no sound device is available

my sound card doesn't come up automatically, and canberra-gtk-play seems to not like that one little bit:

Jul 29 07:54:52 hulla kernel: [ 140.491494] Out of memory: kill process 1516 (gnome-session) score 85435 or a child
Jul 29 07:54:52 hulla kernel: [ 140.492817] Killed process 1572 (canberra-gtk-pl) vsz:235188kB, anon-rss:1308kB, file-rss:0kB
[...]
Jul 29 07:56:47 hulla kernel: [ 256.040878] Out of memory: kill process 1806 (gnome-session) score 75932 or a child
Jul 29 07:56:47 hulla kernel: [ 256.040881] Killed process 1818 (canberra-gtk-pl) vsz:154476kB, anon-rss:1200kB, file-rss:20kB
Jul 29 07:56:47 hulla kernel: [ 256.040892] canberra-gtk-pl: page allocation failure. order:0, mode:0x201da
Jul 29 07:56:47 hulla kernel: [ 256.040894] Pid: 1818, comm: canberra-gtk-pl Not tainted 2.6.35-11-generic #16-Ubuntu

etc

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: libcanberra-gtk0 0.25-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-11.16-generic 2.6.35-rc5
Uname: Linux 2.6.35-11-generic x86_64
Architecture: amd64
Date: Thu Jul 29 08:36:54 2010
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100224.1)
ProcEnviron:
 LANGUAGE=en_GB:en_US:en
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: libcanberra