Unstable system after installing 18.04 LTS

[Colin Law]

On Sat, 23 May 2020 at 20:52, Jay Ridgley <jridgley2 at austin.rr.com> wrote:
>
> Good afternoon,
>
>   Several days ago I installed 18.04 LTS as a replacement for 16.04 LTS
>
>   Since that time the system has been crashing at least daily, usuely
> after a few hours.
>
>   I had discovered (in the latest syslog) the following messages from
> pulseaudio[1461]:
>
> snd_pcm_delay() returned a value that is exceptionally large: -719240
> bytes (-4077 ms).
>
> Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please
> report this issue to the ALSA developers.
>
> Could this be causing the problem?
>
> there also was a number of entries from org.gnome.Nautilus[1369]:
>
> Heartbeat - error!  - {"isTrusted":true}
>
> What is this?
>
> Other than that did not find much...

What is at in the log at the point it crashed?  You should be able to
find the reboot as it has lots of entries with kernel timestamp zero.
Look back from there.  Post it here if necessary.
Also describe exactly what you mean by crashed.

Colin