Public bug reported: Since installing Kubuntu 16.04 a freeze bug keeps appearing on my system. It appears only in rare occassions and I don't know a way to trigger it on purpose.
I activated kernel crash dumps according to https://help.ubuntu.com/lts/serverguide/kernel-crash-dump.html, but that didn't work as expected (no crashdump was saved). But after activating that mechanism I was able to ssh into the system the last time it happend and I was able to dump the output of dmesg into a file. It seems to be related to the radeon driver. This bug is extremely annoying as it freezes the system immediately without prior notice. And I had to push the reset button, REISUB didn't work. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: freeze radeon ** Attachment added: "dmesg.log" https://bugs.launchpad.net/bugs/1590869/+attachment/4680514/+files/dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1590869 Title: radeon freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs