Comment 2 for bug 306089

Seems like the same problem. Happens when turning on a bluetooth headset. I'm using an up-to-date Jaunty installation.

uname -a
Linux judy 2.6.28-4-generic #9-Ubuntu SMP Tue Jan 6 19:34:01 UTC 2009 i686 GNU/Linux

 dlocate -l linux |grep ^ii\ \ linux
ii linux 2.6.28.4.4 Generic complete Linux kernel.
ii linux-backports-modules-2.6.28-4- 2.6.28-4.1 Ubuntu supplied Linux modules for version 2.
ii linux-firmware 1.3 Firmware for Linux kernel drivers
ii linux-generic 2.6.28.4.4 Complete Generic Linux kernel
ii linux-headers-2.6.28-4 2.6.28-4.9 Header files related to Linux kernel version
ii linux-headers-2.6.28-4-generic 2.6.28-4.9 Linux kernel headers for version 2.6.28 on x
ii linux-headers-generic 2.6.28.4.4 Generic Linux kernel headers
ii linux-image 2.6.28.4.4 Generic Linux kernel image.
ii linux-image-2.6.27-11-generic 2.6.27-11.22 Linux kernel image for version 2.6.27 on x86
ii linux-image-2.6.28-4-generic 2.6.28-4.9 Linux kernel image for version 2.6.28 on x86
ii linux-image-generic 2.6.28.4.4 Generic Linux kernel image
ii linux-libc-dev 2.6.28-4.9 Linux Kernel Headers for development
ii linux-restricted-modules 2.6.28.4.4 Generic Linux restricted modules.
ii linux-restricted-modules-2.6.28-4 2.6.28-4.4 Non-free Linux kernel modules for version 2.
ii linux-restricted-modules-common 2.6.28-4.4 Non-free Linux 2.6.28 modules helper script
ii linux-restricted-modules-generic 2.6.28.4.4 Restricted Linux modules for generic kernels
ii linux-sound-base 1.0.18.dfsg-1ubuntu2 base package for ALSA and OSS sound systems