[
https://issues.apache.org/jira/browse/GUACAMOLE-601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Jumper updated GUACAMOLE-601:
-------------------------------------
Description:
While viewing, try to restart the VNC server, unable to reconnect back to the
VNC then, continuously getting segfault until restart guacamole server in order
to solve it
{code:none:
Jul 27 21:05:08 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:05:08 TDF-Jasper guacd[1354]: Connection ID is
"$3c02e097-a5a4-4a78-9d75-72531046877d"
Jul 27 21:05:09 TDF-Jasper guacd[6539]: Cursor rendering: local
Jul 27 21:05:09 TDF-Jasper guacd[6539]: User
"@ecba697e-1195-41d4-9b99-71525c58952e" joined connection
"$3c02e097-a5a4-4a78-9d75-72531046877d" (1 users now present)
Jul 27 21:05:14 TDF-Jasper guacd[6539]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:05:15 TDF-Jasper guacd[6539]: VNC server supports protocol version
3.8 (viewer 3.8)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: We have 1 security types to read
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 0) Received security type 1
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selecting security type 1 (0/1 in the
list)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selected Security Scheme 1
Jul 27 21:05:16 TDF-Jasper guacd[6539]: No authentication needed
Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC authentication succeeded
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Desktop name "Remote control"
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to VNC server, using protocol
version 3.8
Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC server default format:
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 32 bits per pixel.
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Least significant byte first in each
pixel.
Jul 27 21:05:16 TDF-Jasper guacd[6539]: TRUE colour: max red 255 green 255 blue
255, shift red 0 green 8 blue 16
Jul 27 21:05:16 TDF-Jasper guacd[6539]: client2server supported messages (bit
flags)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 00ff 0081 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: server2client supported messages (bit
flags)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 001f 0080 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to Server "unknown
(LibVNCServer 0.9.11)"
Jul 27 21:05:38 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:05:38 TDF-Jasper guacd[1354]: Connection ID is
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3"
Jul 27 21:05:38 TDF-Jasper guacd[6573]: Cursor rendering: local
Jul 27 21:05:38 TDF-Jasper guacd[6573]: User
"@1446482b-becb-495a-9763-a151f6d6079f" joined connection
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" (1 users now present)
Jul 27 21:05:38 TDF-Jasper guacd[6573]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:05:39 TDF-Jasper guacd[6573]: VNC server closed connection
Jul 27 21:05:39 TDF-Jasper guacd[6573]: Unable to connect to VNC server.
Jul 27 21:05:39 TDF-Jasper kernel: [18008.137457] show_signal_msg: 42 callbacks
suppressed
Jul 27 21:05:39 TDF-Jasper kernel: [18008.137462] guacd[6576]: segfault at 10
ip 00007f3cdcc64f32 sp 00007f3cdde71d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cdcc5c000+14000]
Jul 27 21:05:40 TDF-Jasper guacd[6539]: User is not responding.
Jul 27 21:05:40 TDF-Jasper guacd[6539]: User
"@ecba697e-1195-41d4-9b99-71525c58952e" disconnected (0 users remain)
Jul 27 21:05:40 TDF-Jasper guacd[6539]: Last user of connection
"$3c02e097-a5a4-4a78-9d75-72531046877d" disconnected
Jul 27 21:05:40 TDF-Jasper guacd[1354]: Connection
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" removed.
Jul 27 21:07:19 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:19 TDF-Jasper guacd[1354]: Connection ID is
"$ff22eac4-80d1-4225-a87f-73537e7b569d"
Jul 27 21:07:19 TDF-Jasper guacd[6633]: Cursor rendering: local
Jul 27 21:07:19 TDF-Jasper guacd[6633]: User
"@aa706cb4-399c-4428-bc31-2fe8ff369e3b" joined connection
"$ff22eac4-80d1-4225-a87f-73537e7b569d" (1 users now present)
Jul 27 21:07:19 TDF-Jasper guacd[6633]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:20 TDF-Jasper guacd[6633]: VNC server closed connection
Jul 27 21:07:20 TDF-Jasper guacd[6633]: Unable to connect to VNC server.
Jul 27 21:07:20 TDF-Jasper kernel: [18108.872369] guacd[6636]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:07:20 TDF-Jasper guacd[1354]: Connection
"$ff22eac4-80d1-4225-a87f-73537e7b569d" removed.
Jul 27 21:07:32 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:32 TDF-Jasper guacd[1354]: Connection ID is
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a"
Jul 27 21:07:32 TDF-Jasper guacd[6653]: Cursor rendering: local
Jul 27 21:07:32 TDF-Jasper guacd[6653]: User
"@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" joined connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" (1 users now present)
Jul 27 21:07:37 TDF-Jasper guacd[6653]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server supports protocol version
3.8 (viewer 3.8)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: We have 1 security types to read
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 0) Received security type 1
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selecting security type 1 (0/1 in the
list)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selected Security Scheme 1
Jul 27 21:07:38 TDF-Jasper guacd[6653]: No authentication needed
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC authentication succeeded
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Desktop name "Remote control"
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to VNC server, using protocol
version 3.8
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server default format:
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 32 bits per pixel.
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Least significant byte first in each
pixel.
Jul 27 21:07:38 TDF-Jasper guacd[6653]: TRUE colour: max red 255 green 255 blue
255, shift red 0 green 8 blue 16
Jul 27 21:07:38 TDF-Jasper guacd[6653]: client2server supported messages (bit
flags)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 00ff 0081 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: server2client supported messages (bit
flags)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 001f 0080 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to Server "unknown
(LibVNCServer 0.9.11)"
Jul 27 21:07:43 TDF-Jasper guacd[6653]: User
"@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" disconnected (0 users remain)
Jul 27 21:07:43 TDF-Jasper guacd[6653]: Last user of connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" disconnected
Jul 27 21:07:43 TDF-Jasper guacd[6653]: Internal VNC client disconnected
Jul 27 21:07:47 TDF-Jasper guacd[1354]: Connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" removed.
Jul 27 21:07:52 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:52 TDF-Jasper guacd[1354]: Connection ID is
"$2b7cd2f7-aee1-4039-92ab-0237db440fda"
Jul 27 21:07:52 TDF-Jasper guacd[6682]: Cursor rendering: local
Jul 27 21:07:52 TDF-Jasper guacd[6682]: User
"@28e2cd8f-e393-4e05-b3dc-28582c172ea4" joined connection
"$2b7cd2f7-aee1-4039-92ab-0237db440fda" (1 users now present)
Jul 27 21:07:53 TDF-Jasper guacd[6682]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:54 TDF-Jasper guacd[6682]: VNC server closed connection
Jul 27 21:07:54 TDF-Jasper guacd[6682]: Unable to connect to VNC server.
Jul 27 21:07:54 TDF-Jasper kernel: [18143.056832] guacd[6685]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:07:54 TDF-Jasper guacd[1354]: Connection
"$2b7cd2f7-aee1-4039-92ab-0237db440fda" removed.
Jul 27 21:08:45 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:08:45 TDF-Jasper guacd[1354]: Connection ID is
"$df6bd945-ac2c-4fbf-9821-c75844953db5"
Jul 27 21:08:45 TDF-Jasper guacd[6718]: Cursor rendering: local
Jul 27 21:08:45 TDF-Jasper guacd[6718]: User
"@d9896eb7-7d65-4b59-888a-4a326827c772" joined connection
"$df6bd945-ac2c-4fbf-9821-c75844953db5" (1 users now present)
Jul 27 21:08:45 TDF-Jasper guacd[6718]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:08:46 TDF-Jasper guacd[6718]: VNC server closed connection
Jul 27 21:08:46 TDF-Jasper guacd[6718]: Unable to connect to VNC server.
Jul 27 21:08:46 TDF-Jasper kernel: [18194.759323] guacd[6721]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:08:46 TDF-Jasper guacd[1354]: Connection
"$df6bd945-ac2c-4fbf-9821-c75844953db5" removed.
Jul 27 21:11:29 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:11:29 TDF-Jasper guacd[1354]: Connection ID is
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7"
Jul 27 21:11:29 TDF-Jasper guacd[6798]: Cursor rendering: local
Jul 27 21:11:29 TDF-Jasper guacd[6798]: User
"@ed9c0365-f136-4a8a-8de3-6987c315805d" joined connection
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" (1 users now present)
Jul 27 21:11:29 TDF-Jasper guacd[6798]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:11:30 TDF-Jasper guacd[6798]: VNC server closed connection
Jul 27 21:11:30 TDF-Jasper guacd[6798]: Unable to connect to VNC server.
Jul 27 21:11:30 TDF-Jasper kernel: [18359.157596] guacd[6801]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:11:30 TDF-Jasper guacd[1354]: Connection
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" removed.
{code}
was:
While viewing, try to restart the VNC server, unable to reconnect back to the
VNC then, continuously getting segfault until restart guacamole server in order
to solve it
Jul 27 21:05:08 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:05:08 TDF-Jasper guacd[1354]: Connection ID is
"$3c02e097-a5a4-4a78-9d75-72531046877d"
Jul 27 21:05:09 TDF-Jasper guacd[6539]: Cursor rendering: local
Jul 27 21:05:09 TDF-Jasper guacd[6539]: User
"@ecba697e-1195-41d4-9b99-71525c58952e" joined connection
"$3c02e097-a5a4-4a78-9d75-72531046877d" (1 users now present)
Jul 27 21:05:14 TDF-Jasper guacd[6539]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:05:15 TDF-Jasper guacd[6539]: VNC server supports protocol version
3.8 (viewer 3.8)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: We have 1 security types to read
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 0) Received security type 1
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selecting security type 1 (0/1 in the
list)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selected Security Scheme 1
Jul 27 21:05:16 TDF-Jasper guacd[6539]: No authentication needed
Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC authentication succeeded
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Desktop name "Remote control"
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to VNC server, using protocol
version 3.8
Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC server default format:
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 32 bits per pixel.
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Least significant byte first in each
pixel.
Jul 27 21:05:16 TDF-Jasper guacd[6539]: TRUE colour: max red 255 green 255 blue
255, shift red 0 green 8 blue 16
Jul 27 21:05:16 TDF-Jasper guacd[6539]: client2server supported messages (bit
flags)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 00ff 0081 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: server2client supported messages (bit
flags)
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 001f 0080 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to Server "unknown
(LibVNCServer 0.9.11)"
Jul 27 21:05:38 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:05:38 TDF-Jasper guacd[1354]: Connection ID is
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3"
Jul 27 21:05:38 TDF-Jasper guacd[6573]: Cursor rendering: local
Jul 27 21:05:38 TDF-Jasper guacd[6573]: User
"@1446482b-becb-495a-9763-a151f6d6079f" joined connection
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" (1 users now present)
Jul 27 21:05:38 TDF-Jasper guacd[6573]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:05:39 TDF-Jasper guacd[6573]: VNC server closed connection
Jul 27 21:05:39 TDF-Jasper guacd[6573]: Unable to connect to VNC server.
Jul 27 21:05:39 TDF-Jasper kernel: [18008.137457] show_signal_msg: 42 callbacks
suppressed
Jul 27 21:05:39 TDF-Jasper kernel: [18008.137462] guacd[6576]: segfault at 10
ip 00007f3cdcc64f32 sp 00007f3cdde71d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cdcc5c000+14000]
Jul 27 21:05:40 TDF-Jasper guacd[6539]: User is not responding.
Jul 27 21:05:40 TDF-Jasper guacd[6539]: User
"@ecba697e-1195-41d4-9b99-71525c58952e" disconnected (0 users remain)
Jul 27 21:05:40 TDF-Jasper guacd[6539]: Last user of connection
"$3c02e097-a5a4-4a78-9d75-72531046877d" disconnected
Jul 27 21:05:40 TDF-Jasper guacd[1354]: Connection
"$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" removed.
Jul 27 21:07:19 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:19 TDF-Jasper guacd[1354]: Connection ID is
"$ff22eac4-80d1-4225-a87f-73537e7b569d"
Jul 27 21:07:19 TDF-Jasper guacd[6633]: Cursor rendering: local
Jul 27 21:07:19 TDF-Jasper guacd[6633]: User
"@aa706cb4-399c-4428-bc31-2fe8ff369e3b" joined connection
"$ff22eac4-80d1-4225-a87f-73537e7b569d" (1 users now present)
Jul 27 21:07:19 TDF-Jasper guacd[6633]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:20 TDF-Jasper guacd[6633]: VNC server closed connection
Jul 27 21:07:20 TDF-Jasper guacd[6633]: Unable to connect to VNC server.
Jul 27 21:07:20 TDF-Jasper kernel: [18108.872369] guacd[6636]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:07:20 TDF-Jasper guacd[1354]: Connection
"$ff22eac4-80d1-4225-a87f-73537e7b569d" removed.
Jul 27 21:07:32 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:32 TDF-Jasper guacd[1354]: Connection ID is
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a"
Jul 27 21:07:32 TDF-Jasper guacd[6653]: Cursor rendering: local
Jul 27 21:07:32 TDF-Jasper guacd[6653]: User
"@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" joined connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" (1 users now present)
Jul 27 21:07:37 TDF-Jasper guacd[6653]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server supports protocol version
3.8 (viewer 3.8)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: We have 1 security types to read
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 0) Received security type 1
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selecting security type 1 (0/1 in the
list)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selected Security Scheme 1
Jul 27 21:07:38 TDF-Jasper guacd[6653]: No authentication needed
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC authentication succeeded
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Desktop name "Remote control"
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to VNC server, using protocol
version 3.8
Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server default format:
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 32 bits per pixel.
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Least significant byte first in each
pixel.
Jul 27 21:07:38 TDF-Jasper guacd[6653]: TRUE colour: max red 255 green 255 blue
255, shift red 0 green 8 blue 16
Jul 27 21:07:38 TDF-Jasper guacd[6653]: client2server supported messages (bit
flags)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 00ff 0081 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: server2client supported messages (bit
flags)
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 001f 0080 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
0000 0000
Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to Server "unknown
(LibVNCServer 0.9.11)"
Jul 27 21:07:43 TDF-Jasper guacd[6653]: User
"@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" disconnected (0 users remain)
Jul 27 21:07:43 TDF-Jasper guacd[6653]: Last user of connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" disconnected
Jul 27 21:07:43 TDF-Jasper guacd[6653]: Internal VNC client disconnected
Jul 27 21:07:47 TDF-Jasper guacd[1354]: Connection
"$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" removed.
Jul 27 21:07:52 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:07:52 TDF-Jasper guacd[1354]: Connection ID is
"$2b7cd2f7-aee1-4039-92ab-0237db440fda"
Jul 27 21:07:52 TDF-Jasper guacd[6682]: Cursor rendering: local
Jul 27 21:07:52 TDF-Jasper guacd[6682]: User
"@28e2cd8f-e393-4e05-b3dc-28582c172ea4" joined connection
"$2b7cd2f7-aee1-4039-92ab-0237db440fda" (1 users now present)
Jul 27 21:07:53 TDF-Jasper guacd[6682]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:07:54 TDF-Jasper guacd[6682]: VNC server closed connection
Jul 27 21:07:54 TDF-Jasper guacd[6682]: Unable to connect to VNC server.
Jul 27 21:07:54 TDF-Jasper kernel: [18143.056832] guacd[6685]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:07:54 TDF-Jasper guacd[1354]: Connection
"$2b7cd2f7-aee1-4039-92ab-0237db440fda" removed.
Jul 27 21:08:45 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:08:45 TDF-Jasper guacd[1354]: Connection ID is
"$df6bd945-ac2c-4fbf-9821-c75844953db5"
Jul 27 21:08:45 TDF-Jasper guacd[6718]: Cursor rendering: local
Jul 27 21:08:45 TDF-Jasper guacd[6718]: User
"@d9896eb7-7d65-4b59-888a-4a326827c772" joined connection
"$df6bd945-ac2c-4fbf-9821-c75844953db5" (1 users now present)
Jul 27 21:08:45 TDF-Jasper guacd[6718]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:08:46 TDF-Jasper guacd[6718]: VNC server closed connection
Jul 27 21:08:46 TDF-Jasper guacd[6718]: Unable to connect to VNC server.
Jul 27 21:08:46 TDF-Jasper kernel: [18194.759323] guacd[6721]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:08:46 TDF-Jasper guacd[1354]: Connection
"$df6bd945-ac2c-4fbf-9821-c75844953db5" removed.
Jul 27 21:11:29 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
Jul 27 21:11:29 TDF-Jasper guacd[1354]: Connection ID is
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7"
Jul 27 21:11:29 TDF-Jasper guacd[6798]: Cursor rendering: local
Jul 27 21:11:29 TDF-Jasper guacd[6798]: User
"@ed9c0365-f136-4a8a-8de3-6987c315805d" joined connection
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" (1 users now present)
Jul 27 21:11:29 TDF-Jasper guacd[6798]: Connected to VNC repeater, using
protocol version 0.0
Jul 27 21:11:30 TDF-Jasper guacd[6798]: VNC server closed connection
Jul 27 21:11:30 TDF-Jasper guacd[6798]: Unable to connect to VNC server.
Jul 27 21:11:30 TDF-Jasper kernel: [18359.157596] guacd[6801]: segfault at 10
ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
Jul 27 21:11:30 TDF-Jasper guacd[1354]: Connection
"$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" removed.
> VNC segfault when VNC server restarted
> --------------------------------------
>
> Key: GUACAMOLE-601
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-601
> Project: Guacamole
> Issue Type: Bug
> Components: VNC
> Affects Versions: 0.9.14
> Reporter: KokHooi Chew
> Priority: Major
> Attachments: syslog.3
>
>
> While viewing, try to restart the VNC server, unable to reconnect back to the
> VNC then, continuously getting segfault until restart guacamole server in
> order to solve it
> {code:none:
> Jul 27 21:05:08 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:05:08 TDF-Jasper guacd[1354]: Connection ID is
> "$3c02e097-a5a4-4a78-9d75-72531046877d"
> Jul 27 21:05:09 TDF-Jasper guacd[6539]: Cursor rendering: local
> Jul 27 21:05:09 TDF-Jasper guacd[6539]: User
> "@ecba697e-1195-41d4-9b99-71525c58952e" joined connection
> "$3c02e097-a5a4-4a78-9d75-72531046877d" (1 users now present)
> Jul 27 21:05:14 TDF-Jasper guacd[6539]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:05:15 TDF-Jasper guacd[6539]: VNC server supports protocol version
> 3.8 (viewer 3.8)
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: We have 1 security types to read
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 0) Received security type 1
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selecting security type 1 (0/1 in the
> list)
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Selected Security Scheme 1
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: No authentication needed
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC authentication succeeded
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Desktop name "Remote control"
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to VNC server, using
> protocol version 3.8
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: VNC server default format:
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 32 bits per pixel.
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Least significant byte first in each
> pixel.
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: TRUE colour: max red 255 green 255
> blue 255, shift red 0 green 8 blue 16
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: client2server supported messages (bit
> flags)
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 00ff 0081 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: server2client supported messages (bit
> flags)
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 00: 001f 0080 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 08: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 10: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: 18: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:05:16 TDF-Jasper guacd[6539]: Connected to Server "unknown
> (LibVNCServer 0.9.11)"
> Jul 27 21:05:38 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:05:38 TDF-Jasper guacd[1354]: Connection ID is
> "$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3"
> Jul 27 21:05:38 TDF-Jasper guacd[6573]: Cursor rendering: local
> Jul 27 21:05:38 TDF-Jasper guacd[6573]: User
> "@1446482b-becb-495a-9763-a151f6d6079f" joined connection
> "$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" (1 users now present)
> Jul 27 21:05:38 TDF-Jasper guacd[6573]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:05:39 TDF-Jasper guacd[6573]: VNC server closed connection
> Jul 27 21:05:39 TDF-Jasper guacd[6573]: Unable to connect to VNC server.
> Jul 27 21:05:39 TDF-Jasper kernel: [18008.137457] show_signal_msg: 42
> callbacks suppressed
> Jul 27 21:05:39 TDF-Jasper kernel: [18008.137462] guacd[6576]: segfault at 10
> ip 00007f3cdcc64f32 sp 00007f3cdde71d10 error 4 in
> libguac-client-vnc.so.0.0.0[7f3cdcc5c000+14000]
> Jul 27 21:05:40 TDF-Jasper guacd[6539]: User is not responding.
> Jul 27 21:05:40 TDF-Jasper guacd[6539]: User
> "@ecba697e-1195-41d4-9b99-71525c58952e" disconnected (0 users remain)
> Jul 27 21:05:40 TDF-Jasper guacd[6539]: Last user of connection
> "$3c02e097-a5a4-4a78-9d75-72531046877d" disconnected
> Jul 27 21:05:40 TDF-Jasper guacd[1354]: Connection
> "$f7648af9-9126-4e69-a6ef-a8b9ac3b7fc3" removed.
> Jul 27 21:07:19 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:07:19 TDF-Jasper guacd[1354]: Connection ID is
> "$ff22eac4-80d1-4225-a87f-73537e7b569d"
> Jul 27 21:07:19 TDF-Jasper guacd[6633]: Cursor rendering: local
> Jul 27 21:07:19 TDF-Jasper guacd[6633]: User
> "@aa706cb4-399c-4428-bc31-2fe8ff369e3b" joined connection
> "$ff22eac4-80d1-4225-a87f-73537e7b569d" (1 users now present)
> Jul 27 21:07:19 TDF-Jasper guacd[6633]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:07:20 TDF-Jasper guacd[6633]: VNC server closed connection
> Jul 27 21:07:20 TDF-Jasper guacd[6633]: Unable to connect to VNC server.
> Jul 27 21:07:20 TDF-Jasper kernel: [18108.872369] guacd[6636]: segfault at 10
> ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
> libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
> Jul 27 21:07:20 TDF-Jasper guacd[1354]: Connection
> "$ff22eac4-80d1-4225-a87f-73537e7b569d" removed.
> Jul 27 21:07:32 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:07:32 TDF-Jasper guacd[1354]: Connection ID is
> "$f275fcc9-ce5f-4f96-8556-cca0c215ae4a"
> Jul 27 21:07:32 TDF-Jasper guacd[6653]: Cursor rendering: local
> Jul 27 21:07:32 TDF-Jasper guacd[6653]: User
> "@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" joined connection
> "$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" (1 users now present)
> Jul 27 21:07:37 TDF-Jasper guacd[6653]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server supports protocol version
> 3.8 (viewer 3.8)
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: We have 1 security types to read
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 0) Received security type 1
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selecting security type 1 (0/1 in the
> list)
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Selected Security Scheme 1
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: No authentication needed
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC authentication succeeded
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Desktop name "Remote control"
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to VNC server, using
> protocol version 3.8
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: VNC server default format:
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 32 bits per pixel.
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Least significant byte first in each
> pixel.
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: TRUE colour: max red 255 green 255
> blue 255, shift red 0 green 8 blue 16
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: client2server supported messages (bit
> flags)
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 00ff 0081 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: server2client supported messages (bit
> flags)
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 00: 001f 0080 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 08: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 10: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: 18: 0000 0000 0000 0000 - 0000 0000
> 0000 0000
> Jul 27 21:07:38 TDF-Jasper guacd[6653]: Connected to Server "unknown
> (LibVNCServer 0.9.11)"
> Jul 27 21:07:43 TDF-Jasper guacd[6653]: User
> "@3cbe1fc5-b04e-48b0-bdd2-29bd26c38d08" disconnected (0 users remain)
> Jul 27 21:07:43 TDF-Jasper guacd[6653]: Last user of connection
> "$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" disconnected
> Jul 27 21:07:43 TDF-Jasper guacd[6653]: Internal VNC client disconnected
> Jul 27 21:07:47 TDF-Jasper guacd[1354]: Connection
> "$f275fcc9-ce5f-4f96-8556-cca0c215ae4a" removed.
> Jul 27 21:07:52 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:07:52 TDF-Jasper guacd[1354]: Connection ID is
> "$2b7cd2f7-aee1-4039-92ab-0237db440fda"
> Jul 27 21:07:52 TDF-Jasper guacd[6682]: Cursor rendering: local
> Jul 27 21:07:52 TDF-Jasper guacd[6682]: User
> "@28e2cd8f-e393-4e05-b3dc-28582c172ea4" joined connection
> "$2b7cd2f7-aee1-4039-92ab-0237db440fda" (1 users now present)
> Jul 27 21:07:53 TDF-Jasper guacd[6682]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:07:54 TDF-Jasper guacd[6682]: VNC server closed connection
> Jul 27 21:07:54 TDF-Jasper guacd[6682]: Unable to connect to VNC server.
> Jul 27 21:07:54 TDF-Jasper kernel: [18143.056832] guacd[6685]: segfault at 10
> ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
> libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
> Jul 27 21:07:54 TDF-Jasper guacd[1354]: Connection
> "$2b7cd2f7-aee1-4039-92ab-0237db440fda" removed.
> Jul 27 21:08:45 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:08:45 TDF-Jasper guacd[1354]: Connection ID is
> "$df6bd945-ac2c-4fbf-9821-c75844953db5"
> Jul 27 21:08:45 TDF-Jasper guacd[6718]: Cursor rendering: local
> Jul 27 21:08:45 TDF-Jasper guacd[6718]: User
> "@d9896eb7-7d65-4b59-888a-4a326827c772" joined connection
> "$df6bd945-ac2c-4fbf-9821-c75844953db5" (1 users now present)
> Jul 27 21:08:45 TDF-Jasper guacd[6718]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:08:46 TDF-Jasper guacd[6718]: VNC server closed connection
> Jul 27 21:08:46 TDF-Jasper guacd[6718]: Unable to connect to VNC server.
> Jul 27 21:08:46 TDF-Jasper kernel: [18194.759323] guacd[6721]: segfault at 10
> ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
> libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
> Jul 27 21:08:46 TDF-Jasper guacd[1354]: Connection
> "$df6bd945-ac2c-4fbf-9821-c75844953db5" removed.
> Jul 27 21:11:29 TDF-Jasper guacd[1354]: Creating new client for protocol "vnc"
> Jul 27 21:11:29 TDF-Jasper guacd[1354]: Connection ID is
> "$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7"
> Jul 27 21:11:29 TDF-Jasper guacd[6798]: Cursor rendering: local
> Jul 27 21:11:29 TDF-Jasper guacd[6798]: User
> "@ed9c0365-f136-4a8a-8de3-6987c315805d" joined connection
> "$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" (1 users now present)
> Jul 27 21:11:29 TDF-Jasper guacd[6798]: Connected to VNC repeater, using
> protocol version 0.0
> Jul 27 21:11:30 TDF-Jasper guacd[6798]: VNC server closed connection
> Jul 27 21:11:30 TDF-Jasper guacd[6798]: Unable to connect to VNC server.
> Jul 27 21:11:30 TDF-Jasper kernel: [18359.157596] guacd[6801]: segfault at 10
> ip 00007f3cddc66f32 sp 00007f3cdee73d10 error 4 in
> libguac-client-vnc.so.0.0.0[7f3cddc5e000+14000]
> Jul 27 21:11:30 TDF-Jasper guacd[1354]: Connection
> "$01fb8f73-6e01-4f25-9bcf-127d3f53f0a7" removed.
> {code}
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