I have some time to kill this evening, and I find myself wondering
whether anyone else on this list has experienced anything like the
following problem.
When I put a Linrad system into regular use back in October, I noticed
that if I left Linrad running continuously, it always happened that
within a day or two I would come into the shack and find that the
monitor had "lost sync", or some such fault. The Linrad display would
be all messed up, with horizontal streaks in many random places, and all
system control (via mouse, keyboard, or attempted login from another
computer) had been lost. Turning the monitor off and on again did not help.
After a reboot the system would be OK again ... but the problem would
reappear after another few days. The monitor is a Panasonic 17-inch
model, perhaps 6 or 8 years old.
To try to understand the problem better I swapped monitors between the
Linrad computer and a second machine that I use to run WSJT under
Windows. The second monitor is a 15-inch Dell flat-panel LCD model.
For some weeks now both monitors -- the Panasonic CRT model now on the
Windows computer, and the Dell LCD model on the Linux machine -- have
behaved flawlessly. Linux has been left running continuously, but with
only a couple of xterms on the screen. Then, yesterday, I started
Linrad and left it running. This evening I found the picture on the
Dell monitor all screwed up, just as had happened before with the CRT
monitor. A reboor was required to clear things up.
So my question is this: has anyone else seen their monitor suddenly go
berserk in this way? Does it happen only when Linrad is running, as
seems to be the case for me? Maybe I have a bad video card that somehow
gets more "stressed" when displaying Linrad than when displaying an
inactive X11 desktop??
-- 73, Joe, K1JT
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