On Wed, May 18, 2016 at 8:05 PM, Robert Brewer <[email protected] > wrote:
> I'm experiencing a weird problem with X11 forwarded via ssh from a CentOS > 7 system to XQuartz 2.7.8 running on OS X 10.11.4. > > I can forward X using either "ssh -X" or "ForwardX11 yes" and it works > fine. However, after some number of minutes (10? 15?) in that ssh session I > can no longer start new clients, they get messages like "Could not connect > to display localhost:10.0". If I log out of my ssh session and reconnect, I > can start clients again with no problems. Needless to say, I spent a lot of > time being confused because forwarding would work and then stop working for > no reason (leading to lots of configuration tweaking) until I realized it > was time-based. > > Any ideas on what could be causing this, or where I should look? I wonder > if some socket or temp file is getting cleaned up? > http://b.kl3in.com/2012/01/x11-display-forwarding-fails-after-some-time/ tl;dr: bump ForwardX11Timeout (note that it has an upper limit of just under 600 hours, after which it wraps around a signed 32-bit value and ssh will crash on startup). -- brandon s allbery kf8nh sine nomine associates [email protected] [email protected] unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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