Sorry if this is the wrong place to do this, but couldn't find another place for bug reports.
Something goes wrong and I am being disconnected from the wifi, I have to restart to connect again.
This is the error message (bottom lines), I am using Ubuntu 8-10 on 64bit machine (Intel):
Jan 31 19:17:01 ubuntu /USR/SBIN/CRON[9018]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Jan 31 19:38:11 ubuntu kernel: [ 5685.423486] npviewer.bin[9529]: segfault at ff9d0aa0 ip 00000000ff9d0aa0 sp 00000000ffac4e9c error 14
Jan 31 19:39:01 ubuntu /USR/SBIN/CRON[9594]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -n 200 -r -0 rm)
Jan 31 20:04:45 ubuntu -- MARK --
Jan 31 20:09:01 ubuntu /USR/SBIN/CRON[10040]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -n 200 -r -0 rm)
Jan 31 20:17:01 ubuntu /USR/SBIN/CRON[10193]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Jan 31 20:18:39 ubuntu kernel: [ 8112.581028] npviewer.bin[10316]: segfault at ff9d0aa0 ip 00000000ff9d0aa0 sp 00000000ffdf31cc error 14
Jan 31 20:39:01 ubuntu /USR/SBIN/CRON[10834]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -n 200 -r -0 rm)
Jan 31 20:44:55 ubuntu kernel: [ 9689.202018] phy0 -> rt2x00queue_write_tx_frame: Error - Arrived at non-free entry in the non-full queue 2.
Jan 31 20:44:55 ubuntu kernel: [ 9689.202020] Please file bug report to
http://rt2x00.serialmonkey.com.
Hope it helps