[16:31] <thresh> having something weird on an AMD Ryzen machine on the linux-hwe in 16.04: http://thre.sh/stuff/ryzen-ubuntu.png
[16:31] <thresh> any idea what could that be?
[16:32] <thresh> machine is offline, but that image is updating every few seconds with different addresses
[16:32] <thresh> as offline I mean networking does not work
[16:34] <Snicksie> that is a kernel panic
[16:34] <Snicksie> just reboot
[16:35] <thresh> sure.  it happened for a second time in a day.
[16:35] <thresh> I was wondering if something similar was reported already.
[16:35] <Snicksie> in that case check out journalctl to get the full log
[16:35] <Snicksie> with this image there's not much to report
[16:36] <thresh> nothing related
[16:38] <Snicksie>  nothing in /var/log/syslog either?
[16:38] <Snicksie> or kern.log
[16:40] <thresh> nope
[16:40] <thresh> setting up netconsole now, maybe it'll have something next time
[16:55] <thresh> ok, set it up.  let's wait for the next crash.
[16:55] <thresh> those Ryzen machines are soooo unstable it's not funny.
[17:01] <thresh> this looks very related: https://utcc.utoronto.ca/~cks/space/blog/linux/RyzenMachineLinuxHangs
[17:03] <thresh> and this: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1690085
[17:03] <ubot5`> Ubuntu bug 1690085 in linux (Ubuntu) "Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks" [High,Confirmed]
[21:53] <Fjodor> any news on https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749015 ?
[21:53] <ubot5`> Ubuntu bug 1749015 in linux (Ubuntu Bionic) "4.16 - VBOXGUEST not built" [Medium,Triaged]