Similar result with rdp:

 

Apr 25 09:37:50 guacamole-post guacd[32078]: Creating new client for protocol "rdp"

Apr 25 09:37:50 guacamole-post guacd[32078]: Connection ID is "$88020a6f-b3db-4aa7-bf8d-62c8aa05fa8f"

Apr 25 09:37:50 guacamole-post guacd[32090]: No security mode specified. Defaulting to RDP.

Apr 25 09:37:50 guacamole-post guacd[32090]: Resize method: none

Apr 25 09:37:50 guacamole-post guacd[32090]: User "@f4b6816f-b8ef-4dbb-9ea4-fd248326278a" joined connection "$88020a6f-b3db-4aa7-bf8d-62c8aa05fa8f" (1 users now present)

Apr 25 09:37:50 guacamole-post server: 09:37:50.122 [http-bio-8080-exec-7] INFO  o.a.g.tunnel.TunnelRequestService - User "test" connected to connection "NUC-RDP".

Apr 25 09:37:50 guacamole-post guacd[32090]: Loading keymap "base"

Apr 25 09:37:50 guacamole-post guacd[32090]: Loading keymap "en-us-qwerty"

Apr 25 09:37:50 guacamole-post guacd[32090]: Error connecting to RDP server

Apr 25 09:37:50 guacamole-post guacd[32090]: User "@f4b6816f-b8ef-4dbb-9ea4-fd248326278a" disconnected (0 users remain)

Apr 25 09:37:50 guacamole-post guacd[32090]: Last user of connection "$88020a6f-b3db-4aa7-bf8d-62c8aa05fa8f" disconnected

Apr 25 09:37:50 guacamole-post guacd[32078]: Connection "$88020a6f-b3db-4aa7-bf8d-62c8aa05fa8f" removed.

Apr 25 09:37:50 guacamole-post server: 09:37:50.312 [http-bio-8080-exec-7] INFO  o.a.g.tunnel.TunnelRequestService - User "test" disconnected from connection "NUC-RDP". Duration: 190 milliseconds

 

Lance

 

From: Lance Gropper <Lance.Gropper@encorehollywood.com>
Sent: Thursday, April 25, 2019 9:31 AM
To: user@guacamole.apache.org
Subject: Problem w/VNC

 

[ CAUTION ]

This email originated outside Deluxe.

 

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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