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From Lance Gropper <Lance.Grop...@encorehollywood.com>
Subject Problem w/VNC
Date Thu, 25 Apr 2019 16:31:29 GMT
Hello All:

I switched to the older Guacamole (0.9.14), and can't establish a VNC connection: I see the
following in /var/log/messages. I'm in the process of testing different protocols - ssh is
fine so far...

Apr 25 09:27:07 guacamole-post server: 09:27:07.340 [http-bio-8080-exec-6] INFO  o.a.g.r.auth.AuthenticationService
- User "test" successfully authenticated from 10.17.102.91.
Apr 25 09:27:10 guacamole-post server: 09:27:10.337 [http-bio-8080-exec-10] INFO  o.a.g.environment.LocalEnvironment
- GUACAMOLE_HOME is "/etc/guacamole".
Apr 25 09:27:10 guacamole-post server: 09:27:10.338 [http-bio-8080-exec-10] INFO  o.a.g.environment.LocalEnvironment
- No guacamole.properties file found within GUACAMOLE_HOME or the classpath. Using defaults.
Apr 25 09:27:10 guacamole-post guacd[12449]: Creating new client for protocol "vnc"
Apr 25 09:27:10 guacamole-post guacd[12449]: Connection ID is "$a7d3d720-2d6c-4716-a59b-f67c221b0100"
Apr 25 09:27:10 guacamole-post guacd[31535]: Cursor rendering: local
Apr 25 09:27:10 guacamole-post guacd[31535]: User "@5118193c-c415-4eb1-9644-d09ae27ca4c4"
joined connection "$a7d3d720-2d6c-4716-a59b-f67c221b0100" (1 users now present)
Apr 25 09:27:10 guacamole-post server: 09:27:10.400 [http-bio-8080-exec-10] INFO  o.a.g.tunnel.TunnelRequestService
- User "test" connected to connection "DDR22".
Apr 25 09:27:10 guacamole-post guacd[31535]: ConnectClientToTcpAddr6: connect
Apr 25 09:27:10 guacamole-post guacd[31535]: ConnectToTcpAddr: connect
Apr 25 09:27:10 guacamole-post guacd[31535]: Unable to connect to VNC server
Apr 25 09:27:10 guacamole-post guacd[31535]: Unable to connect to VNC server.
Apr 25 09:27:10 guacamole-post kernel: guacd[31538]: segfault at 10 ip 00007f9a8d526df2 sp
00007f9a8df32b90 error 4 in libguac-client-vnc.so.0.0.0[7f9a8d51e000+13000]
Apr 25 09:27:10 guacamole-post server: 09:27:10.623 [http-bio-8080-exec-10] INFO  o.a.g.tunnel.TunnelRequestService
- User "test" disconnected from connection "DDR22". Duration: 222 milliseconds
Apr 25 09:27:10 guacamole-post abrt-hook-ccpp: Process 31535 (guacd) of user 0 killed by SIGSEGV
- dumping core
Apr 25 09:27:10 guacamole-post abrt-hook-ccpp: Failed to create core_backtrace: waitpid failed:
No child processes
Apr 25 09:27:10 guacamole-post guacd[12449]: Connection "$a7d3d720-2d6c-4716-a59b-f67c221b0100"
removed.
Apr 25 09:27:11 guacamole-post abrt-server: Executable '/usr/local/sbin/guacd' doesn't belong
to any package and ProcessUnpackaged is set to 'no'
Apr 25 09:27:11 guacamole-post abrt-server: 'post-create' on '/var/spool/abrt/ccpp-2019-04-25-09:27:10-31535'
exited with 1
Apr 25 09:27:11 guacamole-post abrt-server: Deleting problem directory '/var/spool/abrt/ccpp-2019-04-25-09:27:10-31535'

In dmesg, I see these:

[ 5823.478384] guacd[11935]: segfault at 10 ip 00007fde31be2df2 sp 00007fde32defb90 error
4 in libguac-client-vnc.so.0.0.0[7fde31bda000+13000]
[64362.327388] guacd[31538]: segfault at 10 ip 00007f9a8d526df2 sp 00007f9a8df32b90 error
4 in libguac-client-vnc.so.0.0.0[7f9a8d51e000+13000]

Is there a fix?

Lance
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