stuck xterm

[Olof Backing]

emv at math.lsa.umich.edu (Edward Vielmetti) writes:


>ultrix 4.0, decstation 5000.  decwindows window manager, and an xterm
>window the entire height of the screen and 1/2 the screen wide.

>the xterm was started from a decterm window (xterm &).

>when I cat a long file (50K) to that window, the scrolling is choppy,
>but no more that I would expect.  but: when I cat that same file through
>a simple perl filter (i.e. slightly slower display) the xterm scrolling
>sometimes gets stuck.  The window freezes.  Control-left doesn't
>bring up a menu, ps shows "idle", everything is gone.  Somewhere like
>a minute or two later (after I hit some buttons) the window comes
>back and all is well again.

>I've had it happen with two different xterms, using exactly the same
>test.  Not sure how many times it's happened before or whether I could
>repeat it tomorrow.

>Is there any way to get a trace of what's happening in a currently running
>Ultrix process (like the AT&T "truss" or the SunOS "trace" ?)  Sure
>would be nice right now.

How 'bout using a REAL window-system like X11 instead of DECWindows....

>--Ed

>Edward Vielmetti, U of Michigan math dept <emv at math.lsa.umich.edu>
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WHOAMI: Olof Backing                                  EMAIL:
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