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Bad Atom

From:

http://www.brandonhutchinson.com/BadAtom_BadWindow_errors_with_ssh_X11_forwarding.html

Although I’m not sure if the “problem” resides in the version of XFree86 or the OpenSSH client or server version, I sometimes receive the following errors when using standard (ssh -X) X11 forwarding with OpenSSH:

warning, error event received:
X Error of failed request: BadAtom (invalid Atom parameter)
Major opcode of failed request: 18 (X_ChangeProperty)
Atom id in failed request: 0×1b3
Serial number of failed request: 944
Current serial number in output stream: 946

warning, error event received:
X Error of failed request: BadWindow (invalid Window parameter)
Major opcode of failed request: 25 (X_SendEvent)
Resource id in failed request: 0×16000d5
Serial number of failed request: 2055
Current serial number in output stream: 2056

Using “trusted” X11 forwarding (ssh -Y) appears to fix the problem. The ForwardX11Trusted=yes directive may be specified in ~/.ssh/config as an alternative to specifying the -Y flag on the command line.

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