the sound problem could be https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/87652
for the other issues, please have a search in launchpad, if you cannot find them please fiel new bugs
the sound problem could be https:/ /bugs.launchpad .net/ubuntu/ +source/ linux-source- 2.6.20/ +bug/87652
for the other issues, please have a search in launchpad, if you cannot find them please fiel new bugs