Thank you for this very useful information.
Unfortunately I read and answered your previous emails first :-(
As you suggested I tried to google :
/var/log/Xorg.1.log:[ 1478.948] (EE) /dev/dri/card0: failed to set DRM
interface version 1.4: Permission denied
but did not find something that I seemed useful to me (partly because I
did not quite understand everything that was reported in those reports).
Launchpad does give some results[1], but I don't know which is the right
one for my case.
Is there anything I can do, to prevent this crash from occurring again?
Thank you,
Willem
[1]
https://launchpad.net/+search?field.text=%2Fdev%2Fdri%2Fcard0%3A+failed+to+set+DRM+interface+version+1.4%3A+Permission+denied&field.actions.search=Search
Op 17-07-17 om 23:14 schreef Ralf Mardorf:
I should explain the command I mentioned.
There are Xorg log files in /var/log.
[weremouse@moonstudio ~]$ ls -hl /var/log/Xorg*
-rw-r--r-- 1 root root 599 Jul 17 22:58 /var/log/Xorg.0.log
-rw-r--r-- 1 root root 599 Jul 17 22:58 /var/log/Xorg.0.log.old
-rw-r--r-- 1 root root 29K Sep 10 2015 /var/log/Xorg.1.log
-rw-r--r-- 1 root root 29K Sep 9 2015 /var/log/Xorg.1.log.old
[weremouse@moonstudio ~]$ man grep | grep DESCRIPTION -A1
DESCRIPTION
grep searches the named input FILEs for lines containing a match
to the given PATTERN. [snip]
The "EE" is more or less unique for Xorg log files and a starting point
to find errors in those log files. IOW
grep EE /var/log/Xorg*log*
does search for entries containing "EE" in all Xorg log files, since
the asterisks are wildcards.
grep EE /var/log/Xorg*log* > /tmp/xorglog.txt
">" redirects the standard output to a file.
Before you post the output, read it, even if you shouldn't understand it.
1. A log file could contain private data.
Unlikely a Xorg log file contains such data, but...
2. ...you could google possible error messages and find hints, how to
solve the issue.
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