Another occurrence happened today, again I returned to completely black screen, computer completely hung, required computer on/off button to restart. Syslog extract from before/after incident:
Jan 28 15:41:10 plasken -- MARK -- Jan 28 16:01:11 plasken -- MARK -- Jan 28 16:11:37 plasken ntpd[7635]: synchronized to 134.214.100.6, stratum 2 Jan 28 16:13:51 plasken ntpd[7635]: synchronized to 130.88.200.98, stratum 2 Jan 28 16:14:37 plasken kernel: [17228786.172000] NETDEV WATCHDOG: eth0: transmit timed out Jan 28 16:14:37 plasken kernel: [17228786.172000] sky2 eth0: tx timeout Jan 28 16:14:37 plasken kernel: [17228786.172000] sky2 eth0: transmit ring 77 .. 54 report=77 done=77 Jan 28 16:14:37 plasken kernel: [17228786.172000] sky2 hardware hung? flushing Jan 28 18:01:51 plasken syslogd 1.4.1#18ubuntu6: restart. Jan 28 18:01:51 plasken kernel: Inspecting /boot/System.map-2.6.17-10-generic -- sky2 hardware hung? flushing (System crash (reproduceable)) https://launchpad.net/bugs/81713 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs