Path: utzoo!attcan!uunet!decwrl!ucbvax!bloom-beacon!LARRY.MCRCIM.MCGILL.EDU!mouse
From: mouse@LARRY.MCRCIM.MCGILL.EDU
Newsgroups: comp.windows.x
Subject: Re:  X11R4 xlock (SS1 SunOS 4.03 cc fix 1-14) doesn't work
Message-ID: <9010281759.AA16521@Larry.McRCIM.McGill.EDU>
Date: 28 Oct 90 17:59:45 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 24

> I have installed X11R4 on the sparcstation 1 (Sun OS 4.03) patched
> with fix-1 to fix-14.  Everything seems to work except for the client
> "xlock". It dies with the following message:

> X Error of failed request:  BadValue (integer parameter out of range for operation)
>   Major opcode of failed request:  26 (X_GrabPointer)
>   Minor opcode of failed request:  0
>   Resource id in failed request:  0xffff

Quick kludge-around: xset bc.  Fix: have xlock pass a valid event mask
to XGrabPointer.

> Also, is there an easy way to pin point the problem from an error
> message such as the one I included above?  I don't know much about
> programming in X.

Run the program under a debugger, turn on synchronous mode by patching
the _Xdebug variable to 1, and set a breakpoint at exit.  That's what
I've found most useful in such circumstances.

					der Mouse

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