This is what i have:

root@richard-laptop:~# dpkg -l | grep "kernel image"
rc  linux-image-2.6.31-20-generic                      2.6.31-20.58                                  Linux kernel image for version 2.6.31 on x86
ii  linux-image-2.6.31-20-generic-pae                  2.6.31-20.58                                 Linux kernel image for version 2.6.31 on x86
ii  linux-image-2.6.32-16-generic                      2.6.32-16.25                                    Linux kernel image for version 2.6.32 on x86
ii  linux-image-2.6.32-16-generic-pae                  2.6.32-16.25                                 Linux kernel image for version 2.6.32 on x86
ii  linux-image-2.6.32-17-generic-pae                  2.6.32-17.26                                Linux kernel image for version 2.6.32 on x86
ii  linux-image-2.6.32-18-generic-pae                  2.6.32-18.27                                Linux kernel image for version 2.6.32 on x86
ii  linux-image-2.6.32-19-generic                      2.6.32-19.28                                    Linux kernel image for version 2.6.32 on x86
ii  linux-image-2.6.32-19-generic-pae                  2.6.32-19.28                                 Linux kernel image for version 2.6.32 on x86
rc  linux-image-2.6.33-020633-generic                  2.6.33-020633                            Linux kernel image for version 2.6.33 on x86
rc  linux-image-2.6.34-020634rc3-generic               2.6.34-020634rc3                     Linux kernel image for version 2.6.34 on x86
ii  linux-image-generic-pae                            2.6.32.19.20                                        Generic Linux kernel image

root@richard-laptop:~# dpkg --get-selections|grep linux-
linux-alsa-driver-modules-2.6.32-19-generic	install
linux-alsa-driver-modules-2.6.32-19-generic-pae	install
linux-backports-modules-2.6.31-20-generic	deinstall
linux-backports-modules-alsa-2.6.31-20-generic	deinstall
linux-backports-modules-alsa-2.6.31-20-generic-pae	deinstall
linux-backports-modules-alsa-2.6.32-16-generic	install
linux-backports-modules-alsa-2.6.32-16-generic-pae	install
linux-firmware					install
linux-generic-pae				install
linux-headers-2.6.32-17				install
linux-headers-2.6.32-17-generic			install
linux-headers-2.6.32-17-generic-pae		install
linux-headers-2.6.32-18				install
linux-headers-2.6.32-18-generic			install
linux-headers-2.6.32-18-generic-pae		install
linux-headers-2.6.32-19				install
linux-headers-2.6.32-19-generic			install
linux-headers-2.6.32-19-generic-pae		install
linux-headers-2.6.32-20				install
linux-headers-2.6.32-20-generic			install
linux-headers-2.6.32-20-generic-pae		install
linux-headers-2.6.33-020633			install
linux-headers-alsa-driver-2.6.32-19-generic	install
linux-headers-alsa-driver-2.6.32-19-generic-pae	install
linux-headers-generic				install
linux-headers-generic-pae			install
linux-image-2.6.31-20-generic			deinstall
linux-image-2.6.31-20-generic-pae		install
linux-image-2.6.32-16-generic			install
linux-image-2.6.32-16-generic-pae		install
linux-image-2.6.32-17-generic-pae		install
linux-image-2.6.32-18-generic-pae		install
linux-image-2.6.32-19-generic			install
linux-image-2.6.32-19-generic-pae		install
linux-image-2.6.33-020633-generic		deinstall
linux-image-2.6.34-020634rc3-generic		deinstall
linux-image-generic-pae				install
linux-libc-dev					install
linux-sound-base				install

so i think the fix should be there but now the headphones are no longer detected(doesn't work) ?