I have a similar issue on Windows 7 64 bit. I don't even use SSH. I can just run an Xterm or other X app with display pointed directly to the IP (after doing proper xhost, etc), and the window will display (often I'll get crashes and stack traces a few times, then it will display). But then the windows will just vanish for no real reason. The X application will still be running on the remote box, but the window is no where to be found on the display.
I typically kill off the xterm on the remote box and run it again. It's like the X server under windows is simply unmapping the window and it goes into never-never land. It happens fairly randomly to random clients running on the same or different hosts. One or two x-app windows will vanish from that host, while others are still running fine. Never happened to me under XP 32 bit. - Jim On 5/25/2011 10:43, Andrew DeFaria wrote: > I ssh from my Cygwin box to a Linux machine (happens with Solaris > machines too) and I can run X applications back to Cygwin/X without a > problem. However, after a few minutes something happens to the tunnel > and I can no longer put up any X windows: > > $ cat checks.sh > #!/bin/bash > while true; do > date > xclock & > sleep 2 > killall xclock > if [ $? != 0 ]; then > echo Cannot talk to X Server anymore > else > sleep 60 > fi > done > $ checkx.sh > Tue May 24 09:48:43 PDT 2011 > ./checkx.sh: line 12: 10927 Terminated xclock > Tue May 24 09:49:45 PDT 2011 > ./checkx.sh: line 12: 11393 Terminated xclock > Tue May 24 09:50:47 PDT 2011 > b./checkx.sh: line 12: 11592 Terminated xclock > Tue May 24 09:51:49 PDT 2011 > ./checkx.sh: line 12: 11782 Terminated xclock > Tue May 24 09:52:51 PDT 2011 > ./checkx.sh: line 12: 11977 Terminated xclock > Tue May 24 09:53:53 PDT 2011 > ./checkx.sh: line 12: 12161 Terminated xclock > Tue May 24 09:54:55 PDT 2011 > ./checkx.sh: line 12: 12345 Terminated xclock > Tue May 24 09:55:57 PDT 2011 > ./checkx.sh: line 12: 12534 Terminated xclock > Tue May 24 09:56:59 PDT 2011 > ./checkx.sh: line 12: 12723 Terminated xclock > Tue May 24 09:58:01 PDT 2011 > ./checkx.sh: line 12: 12912 Terminated xclock > Tue May 24 09:59:03 PDT 2011 > ./checkx.sh: line 12: 13142 Terminated xclock > Tue May 24 10:00:05 PDT 2011 > ./checkx.sh: line 12: 13345 Terminated xclock > Tue May 24 10:01:07 PDT 2011 > ./checkx.sh: line 12: 13578 Terminated xclock > Tue May 24 10:02:09 PDT 2011 > ./checkx.sh: line 12: 13843 Terminated xclock > Tue May 24 10:03:11 PDT 2011 > ./checkx.sh: line 12: 14074 Terminated xclock > Tue May 24 10:04:13 PDT 2011 > ./checkx.sh: line 12: 14260 Terminated xclock > Tue May 24 10:05:16 PDT 2011 > ./checkx.sh: line 12: 14455 Terminated xclock > Tue May 24 10:06:18 PDT 2011 > X connection to localhost:15.0 broken (explicit kill or server shutdown). > xclock: no process killed > Cannot talk to X Server anymore > > After this I cannot re-establish an X connection until I exit the ssh > session and ssh back in again. Any ideas? > > (I'm gonna post this to both Cygwin and Cygwin-X as I'm not sure if > this is a problem with ssh or a problem with X).
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