[Halld-online] [EXTERNAL] vnc server crashing on gluon machines

[David Lawrence]

+1 to Beni’s answer

On Dec 1, 2019, at 8:29 AM, zihlmann <zihlmann at jlab.org<mailto:zihlmann at jlab.org>> wrote:

it s bug in root and will never be fixed.
However there is a trick found out by Mark Dalton.
use the "bullshit" option (-bs) when starting the vnc server
vncserver :XX -bs

the option must be at the very end.
that will do the trick.

On 12/1/19 7:14 AM, Richard Jones wrote:
Hello David,

If I start up a vnc session on any of the gluon machines and then try to run root, it crashes the vnc session whenever one of the TCanvas windows closes. Apparently this is a known issue with the Xorg server, and a patch is available. This makes root effectively unusable over vnc. A workaround is to avoid vnc and use X11 forwarding. X11 forwarding is much more sluggish, so that is a pain. I don't know when this might rise to the level of an action item, but just so you and others know about it. A formal report with the recommended fix is linked below.

https://github.com/TigerVNC/tigervnc/issues/897<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_TigerVNC_tigervnc_issues_897&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=ZQ2ZfjJrVYU5B_H5USf_kv8aAyj8dKlyjp8O3xZ_fVc&m=uIqiQbZP_SwhsByK85FL5RiFMHHcPqXLY9wWHKry8WU&s=X7Eqp0Pbo7-jKIvHjU3PwttQs-pPRYt5OgNuVJxoLtk&e=>

-Richard J.



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