From previous description, it appears that he had a
hung xscreensaver *as well as* an xlock program
running. My guess is that it was the xscreensaver
that had the grab, so the xlock was actually blameless.
If xscreensaver is hung, and doesn't respond to
xscreensaver-cmd when it tries to lock it, utxlock
will incorrectly conclude that there is no xscreensaver,
and will run xlock. I believe this is what is occurring
in this case, which is why I asked Matthias to (the
next time the problem occurs):
- verify that an xscreensaver is running for that display
- try xscreensaver-cmd to communicate with it
My guess is that xscreensaver-cmd will fail.
-Bob
Craig Bender wrote:
What I don't understand is why the fallback to xlock is not unlocking.
Granted, it is easy to mess up entering your password using xlock.
Can you try from non-root account? Just open a terminal window and
type xlock. Click the mouse, and wait. You should be prompted for
your password and it should unlock the screen.
Matthias Ernst wrote:
Bob Doolittle wrote:
Matthias Ernst wrote:
That sounds like a good explanation. I have reenabled the xlock and
will
wait for the next time the problem occurs and then look in more
detail on
the xscreensaver process. As soon as I have more information, I will
open a service call with Sun and try to get the newest xscreensaver
patch.
I think this list membership would appreciate you sharing your
final conclusions, so folks in future could benefit from
your experience.
Of course I will, but it might take a bit of time. We have a fairly
small
installation (about 24 Sunray stations) and the problem happens only
sometimes
and to some people. My guess is that it might actually be connected
to the
xscreensaver settings of the user. It happened about six times
during the
first three weeks of January after upgrading the server to the latest
Solaris
10 release but it has not happened during the last week. So I have to
wait
for the next occurence.
But even if it only happens sometimes, if it happens to somebody who was
running a long Mathematica or Matlab calculation and cannot get to their
results, people are understandably not very happy.
Regards,
Matthias
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