Do you have X-servers running on both machines? What happens
if you only have an X-server running on the one machine (ie. not
on the machine Mathematica is running on).
Mark.
On Fri, 12 Mar 2004, Peter Breitenlohner wrote:
> 1. We have a problem in the interaction between
> XFree86-4.4.0 <=> ssh (openssh-3.7.1p2 or 3.8p1) <=>
> mathematica (5.0 or 4.2)
>
> Assume I am logged into an X-session on "hosta" and then log into "hostb" via
> ssh with X-forwarding. If I then start mathematica (the graphical frontend)
> I get zillions of messages on stderr:
> ==================================================
> X Error of failed request: BadWindow (invalid Window parameter)
> Major opcode of failed request: 38 (X_QueryPointer)
> Resource id in failed request: 0x38
> Serial number of failed request: 386
> Current serial number in output stream: 386
>
> X Error of failed request: BadWindow (invalid Window parameter)
> Major opcode of failed request: 38 (X_QueryPointer)
> Resource id in failed request: 0x38
> Serial number of failed request: 387
> Current serial number in output stream: 387
>
> ......
>
> X Error of failed request: BadWindow (invalid Window parameter)
> Major opcode of failed request: 38 (X_QueryPointer)
> Resource id in failed request: 0x38
> Serial number of failed request: 22790
> Current serial number in output stream: 22790
>
> X Error of failed request: BadWindow (invalid Window parameter)
> Major opcode of failed request: 38 (X_QueryPointer)
> Resource id in failed request: 0x38
> Serial number of failed request: 22801
> Current serial number in output stream: 22801
>
> ==================================================
> until I exit from mathematica. (If I don't do that fast enough the
> mathematica window occasionally freezes.)
>
> This did not happen with XFree86-4.3.0 and does not happen if I bypass the
> X-forwarding via "DISPLAY=hosta:0", nor (as far as I know) with any program
> other than mathematica.
>
> 2. Is this a known problem?
>
> 3. Please let me know if there is anything I can do to narrow down and/or
> further diagnose this problem.
>
> regards
> Peter Breitenlohner <[EMAIL PROTECTED]>
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