SUMMARY: Sparc 10 Model 30 screen freeze

From: kozak@atc.boeing.com
Date: Tue Oct 26 1993 - 15:55:33 CDT


Original message:

> A user on a Sparc 10 Model 30 (one processor) running 4.1.3 and
> Openwindows has a repeatable problem. After working on the machine
> for about 15 minutes the screen goes black and he can only restore it
> by rlogining in from another machine and killing some (any) window.
> Any ideas or similiar experiences?
>
> I have seen something similiar on a Sparc 10 running 4.1.3 that had
> TWO processors. In that case, Sun said it was because 4.1.3 cannot
> support two processors.
>

Thanks to ...

Richard.Czech@gmd.de (Richard Czech)
Bill Murray <71213.2657@CompuServe.COM>

... for their responses.

The problem turned out to be screenblank. It was killed and
the problem went away. Richard provided additional information
as to how screenblank could have caused the problem:

> I haven't seen something like this, but I heared that this can
> happen when more than one /usr/bin/screenblank are running or the
> date or time has been changed after screenblank was started. Try to
> kill screenblank and see if the error still is reproduceable.
>

I didn't find out if either of those conditions were true in this case.

thanks

Chuck

- - - - - - - - - - - - - - - - - - - - - - -
Chuck Kozak Advanced Computing Technologies
                                                 Boeing Helicopters
MS P28-24 8-7961
Phone: (215) 591-7774 FAX: (215) 591-7524
Internet: kozak@atc.boeing.com



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