On Sun 03 Jan 2021 at 15:41:26 (-0800), David Christensen wrote: > On 2021-01-03 06:51, Alexander V. Makartsev wrote: > > On 03.01.2021 02:52, David Christensen wrote: > > > > > > Any suggestions for trouble-shooting the crashes? > > > > > Have you checked the systemd journal? > > Even after you reboot frozen system you can see last syslog > > messages easily from previous boot with this command: > > $ sudo journalctl -b -1 > > > > Journald keeps logs from multiple previous boots. > > $ sudo journalctl --list-boots > > > > You can select them by index. ( "0" is current boot, "-1" is > > previous boot, etc. ) > > 2021-01-03 14:01:19 root@dipsy ~ > # journalctl -b -1 > Specifying boot ID or boot offset has no effect, no persistent journal > was found. > > 2021-01-03 14:01:29 root@dipsy ~ > # journalctl --list-boots > 0 8b60854b67c243679bec112a7050f054 Sun 2021-01-03 14:01:00 > PST<E2><80><94>Sun 2 > > No of much use (?). > > Start Firefox, browse YouTube, play video "Relaxing Christmas Jazz > Music 10 Hours" (not in full screen) -- crashes after ~50 minutes: > > 2021-01-03 15:35:15 root@dipsy ~ > # journalctl -b -1 > Specifying boot ID or boot offset has no effect, no persistent journal > was found. > > 2021-01-03 15:35:18 root@dipsy ~ > # journalctl --list-boots > 0 8b60854b67c243679bec112a7050f054 Sun 2021-01-03 14:01:00 > PST<E2><80><94>Sun 2 > > Again, not of much use (?). How do I get information out of the > systemd journal? > > dmesg(1) has some information, both about boot and the crash: > > 2021-01-03 15:40:07 root@dipsy ~ > # dmesg | grep nouveau | head -n 30
[…] > 2021-01-03 15:40:14 root@dipsy ~ > # dmesg | grep nouveau | wc > 519 3686 34789 > > Suggestions? I don't have persistent journalling set, but I see very little in journalctl -b that's missing from my ordinary logs, particularly /var/log/journal of course, but also daemon.log and syslog. Cheers, David.
