You should do the sysrq-trigger in the ssh session, after X is hung. The sysrq trace gives a snapshot of the current processes exactly when you trigger it. And give us the whole syslog, not the tail, because sysrq-t spits out a lot and we need to see the Xorg part in there.
-- ATI Radeon 9200 / 9250 PCI black screen and console freeze with DRI https://bugs.launchpad.net/bugs/114520 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs