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Dev-Stable: Came home today to a completely frozen desktop

User avatar NginUS
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Everything was just frozen, couldn't even change tty's. Had to reboot using physical power button.

I run aptitude upgrade daily, & haven't had to reboot for weeks, if not months previously. Yesterday I did reboot, & everything came back up as per usual, then today this.

The clock was at 01:09:xx, so I know what time it kicked the bucket. Which log(s), if any, can I look at to see what happened?
User avatar NginUS
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And then overnight the screen turned black with barely visible windows scattered across the borders with just their corners in the viewing range of the screen. In this case mouse & tty's worked & I was able to reboot from there.
NoNameNoBlame
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Two possible causes:

1)
(Automatic ?) update of 'X Window System' coming
in from Ubuntu, while running 'X'. They updated this, lately.
But that's improbable.

2)
Maybe, a new cron-job running at 1 o'clock?

###

À propos Your wrong reolution:

Possible Causes:

KSceen?
xrandr?
xserver?
xserver-graphics-driver?
graphics kernel-module?
changed DRM config? (Direct Rendering Management)

Wrong/changed file permissions?
Hardware Error?

###

More details needed:
journalctl -b <bootnumber of freeze>
Last Entries written there.

 
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