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https://issues.apache.org/jira/browse/GUACAMOLE-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17245128#comment-17245128
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Juergen Kuri edited comment on GUACAMOLE-1203 at 12/7/20, 10:48 AM:
--------------------------------------------------------------------
[~mjumper],
no idea. My first idea was the vulnerability scanner which comes around every
day and check open ports and sends some data trying to find some
vulnerabilities of network services. But the time when this "ping" hapened is
not the time the scanner normally comes around:
{color:#000000}Oct 30 12:35:16 aguacate-srv-us1 guacd: guacd[25069]:
DEBUG:#011Handler not found for "ping"{color}
The log produced from the vulnerability scanner looks different:
{code:java}
Dec 6 05:02:24 aguacate-srv-us1 guacd[31013]: Guacamole protocol violation.
Perhaps the version of guacamole-client is incompatible with this version of
guacd?
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: ERROR:#011Guacamole
protocol violation. Perhaps the version of guacamole-client is incompatible
with this version of guacd?
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: DEBUG:#011Error reading
"select": Instruction parse error
[...]
Dec 6 05:02:24 aguacate-srv-us1 guacd[31013]: Unable to set up SSL/TLS: SSL
accept failed
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: ERROR:#011Unable to set
up SSL/TLS: SSL accept failed
{code}
Sorry, no idea.
was (Author: jkuri):
[~mjumper],
no idea. My first idea was the vulnerability scanner which comes around every
day and check open ports and sends some data trying to find some
vulnerabilities of network services. But the time when this "ping" haapened is
not the time the scanner comes around:
{color:#000000}Oct 30 12:35:16 aguacate-srv-us1 guacd: guacd[25069]:
DEBUG:#011Handler not found for "ping"{color}
The log produced from the vulnerability scanner looks different:
{code}
Dec 6 05:02:24 aguacate-srv-us1 guacd[31013]: Guacamole protocol violation.
Perhaps the version of guacamole-client is incompatible with this version of
guacd?
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: ERROR:#011Guacamole
protocol violation. Perhaps the version of guacamole-client is incompatible
with this version of guacd?
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: DEBUG:#011Error reading
"select": Instruction parse error
[...]
Dec 6 05:02:24 aguacate-srv-us1 guacd[31013]: Unable to set up SSL/TLS: SSL
accept failed
Dec 6 05:02:24 aguacate-srv-us1 guacd: guacd[31013]: ERROR:#011Unable to set
up SSL/TLS: SSL accept failed
{code}
Sorry, no idea.
> guacd, Release 1.2.0 segfaults in connection with RDP-Sessions
> --------------------------------------------------------------
>
> Key: GUACAMOLE-1203
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1203
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole, guacd
> Affects Versions: 1.2.0
> Reporter: Juergen Kuri
> Priority: Major
> Labels: segfault
> Attachments: core.guacd.11.7288.aguacate-srv-us2.server.lan.xz,
> guacd-reproducer.log.xz, guacd_logs.tar.xz
>
>
> h3. Setup
> ||Component||Release||
> |guacamole server {{guacd}}|1.2.0|
> |guacamole client|1.2.0|
> |OS of guacamole server|CentOS 7|
> |OS of guacamole client|CentOS 7|
> |RDP-server|Windows 10|
> h3. Situation
> * I haven't seen it with guacd 1.1.0
> * guacd was resently updated to release 1.2.0 (self-built)
> * It is not reproducible with every session
> * I have no core dump yet (system is not prepared for it)
> * segfaults so far since update to release 1.2.0:
> {color:#000000}Oct 29 17:11:49 aguacate-srv-us1 kernel: guacd[23448]:
> {color}{color:#ff5454}segfault{color}{color:#000000} at 7f7fac00a090 ip
> 00007f7fac00a090 sp 00007f7fa0955a38 error 15 {color}
> Oct 29 17:39:56 aguacate-srv-us1 kernel: guacd[23515]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fac00a110 ip
> 00007f7fac00a110 sp 00007f7fa0955a38 error 15 {color}
> Oct 29 18:36:06 aguacate-srv-us1 kernel: guacd[23598]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fac00a110 ip
> 00007f7fac00a110 sp 00007f7fa0955a38 error 15 {color}
> Oct 29 18:40:07 aguacate-srv-us1 kernel: guacd[23612]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7fa0955a38 error 15 {color}
> Oct 29 18:46:19 aguacate-srv-us1 kernel: guacd[23633]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fac00a090 ip
> 00007f7fac00a090 sp 00007f7fa0955a38 error 15 {color}
> Oct 29 19:04:42 aguacate-srv-us1 kernel: guacd[23716]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fac000088 ip
> 00007f7fac000088 sp 00007f7fa0955a38 error 15 {color}
> Oct 30 11:07:08 aguacate-srv-us1 kernel: guacd[24871]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7f9ff22a38 error 15 {color}
> Oct 30 11:22:55 aguacate-srv-us1 kernel: guacd[24911]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7f9ff22a38 error 15 {color}
> Oct 30 12:29:19 aguacate-srv-us1 kernel: guacd[25017]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7fa0955a38 error 15 {color}
> Oct 30 12:32:07 aguacate-srv-us1 kernel: guacd[25052]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7fa0955a38 error 15 {color}
> Oct 30 12:35:19 aguacate-srv-us1 kernel: guacd[25080]:
> {color:#ff5454}segfault{color}{color:#000000} at 7f7fb4001670 ip
> 00007f7fb4001670 sp 00007f7fa0955a38 error 15{color}
> +Full session log+
> {noformat}
> Oct 30 12:34:46 aguacate-srv-us1 guacd[21561]: Creating new client for
> protocol "rdp"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[21561]: INFO:#011Creating new
> client for protocol "rdp"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[21561]: INFO:#011Connection ID
> is "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b"
> Oct 30 12:34:46 aguacate-srv-us1 guacd[21561]: Connection ID is
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Processing
> instruction: size
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Processing
> instruction: audio
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Processing
> instruction: video
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Processing
> instruction: image
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Processing
> instruction: timezone
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "console-audio" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Security mode:
> Negotiate (ANY)
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "port" omitted. Using default value of 3389.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011User
> resolution is 1853x974 at 96 DPI
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "dpi" omitted. Using default value of 96.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Using
> resolution of 1852x974 at 96 DPI
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "read-only" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "client-name" omitted. Using default value of "Guacamole RDP".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-wallpaper" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-theming" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-font-smoothing" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-full-window-drag" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-desktop-composition" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-menu-animations" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-bitmap-caching" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-offscreen-caching" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-glyph-caching" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "color-depth" omitted. Using default value of 16.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-audio" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-printing" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "printer-name" omitted. Using default value of "Guacamole Printer".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-drive" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "drive-name" omitted. Using default value of "Guacamole Filesystem".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "drive-path" omitted. Using default value of "".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "create-drive-path" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-download" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-upload" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "timezone" omitted. Using default value of "Europe/Berlin".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "enable-sftp" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-hostname" omitted. Using default value of "DWCH-6QB9R53".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-port" omitted. Using default value of "22".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-username" omitted. Using default value of "".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-password" omitted. Using default value of "".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-passphrase" omitted. Using default value of "".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-root-directory" omitted. Using default value of "/".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-server-alive-interval" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-disable-download" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "sftp-disable-upload" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "recording-name" omitted. Using default value of "recording".
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "recording-exclude-output" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "recording-exclude-mouse" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "recording-include-keys" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "create-recording-path" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Resize method:
> none
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "gateway-port" omitted. Using default value of 443.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-copy" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "disable-paste" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Parameter
> "wol-send-packet" omitted. Using default value of 0.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011User
> "@51caf17d-aef4-41b6-a151-c2a21ba73088" joined connection
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" (1 users now present)
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Client is
> using protocol version "VERSION_1_1_0"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Loading keymap
> "base"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Loading keymap
> "en-us-qwerty"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Support for
> CLIPRDR (clipboard redirection) registered. Awaiting channel connection.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Support for
> static channel "rdpdr" loaded.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Support for
> static channel "rdpsnd" loaded.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Local
> framebuffer format PIXEL_FORMAT_BGRX32
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Remote
> framebuffer format PIXEL_FORMAT_RGB16
> Oct 30 12:34:46 aguacate-srv-us1 guacd[25069]: Security mode: Negotiate (ANY)
> Oct 30 12:34:46 aguacate-srv-us1 guacd[25069]: Resize method: none
> Oct 30 12:34:46 aguacate-srv-us1 guacd[25069]: User
> "@51caf17d-aef4-41b6-a151-c2a21ba73088" joined connection
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" (1 users now present)
> Oct 30 12:34:46 aguacate-srv-us1 guacd[25069]: Loading keymap "base"
> Oct 30 12:34:46 aguacate-srv-us1 guacd[25069]: Loading keymap "en-us-qwerty"
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011CLIPRDR
> (clipboard redirection) channel connected.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011SVC "rdpdr"
> connected.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011SVC "rdpsnd"
> connected.
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Loading
> Dynamic Virtual Channel guacai
> Oct 30 12:34:46 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011AUDIO_INPUT
> plugin loaded.
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Clipboard
> data received. Reporting availability of clipboard data to RDP server.
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011User is
> requesting to provide audio input as 2-channel, 44100 Hz PCM audio at 2
> bytes/sample.
> Oct 30 12:34:47 aguacate-srv-us1 guacd[25069]: Connected to RDPDR 1.13 as
> client 0x0003
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Connected to
> RDPDR 1.13 as client 0x0003
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0001, length=44
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0002, length=8
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0003, length=8
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0004, length=8
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0005, length=8
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Sending
> capabilities...
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Capabilities
> sent.
> Oct 30 12:34:47 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Client ID
> confirmed
> Oct 30 12:35:05 aguacate-srv-us1 guacd[25069]: Connected to RDPDR 1.13 as
> client 0x0002
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Connected to
> RDPDR 1.13 as client 0x0002
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0001, length=44
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0002, length=8
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0003, length=8
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0004, length=8
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Ignoring
> server capability set type=0x0005, length=8
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Sending
> capabilities...
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Capabilities
> sent.
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Client ID
> confirmed
> Oct 30 12:35:05 aguacate-srv-us1 guacd[25069]: RDPDR user logged on
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011RDPDR user
> logged on
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011All supported
> devices sent.
> Oct 30 12:35:05 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011New
> AUDIO_INPUT channel connection
> Oct 30 12:35:06 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011RDP server is
> accepting audio input as 2-channel, 44100 Hz PCM audio at 2 bytes/sample.
> Oct 30 12:35:06 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011AUDIO_INPUT
> channel connection closed
> Oct 30 12:35:06 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011New
> AUDIO_INPUT channel connection
> Oct 30 12:35:06 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011RDP server is
> accepting audio input as 2-channel, 44100 Hz PCM audio at 2 bytes/sample.
> Oct 30 12:35:06 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011User is
> requesting to provide audio input as 2-channel, 44100 Hz PCM audio at 2
> bytes/sample.
> Oct 30 12:35:16 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Handler not
> found for "ping"
> Oct 30 12:35:18 aguacate-srv-us1 guacd[25069]: User connection aborted
> Oct 30 12:35:18 aguacate-srv-us1 guacd: guacd[25069]: WARNING:#011User
> connection aborted
> Oct 30 12:35:18 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Failing
> instruction handler in user was "sync"
> Oct 30 12:35:18 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011User
> "@51caf17d-aef4-41b6-a151-c2a21ba73088" disconnected (0 users remain)
> Oct 30 12:35:18 aguacate-srv-us1 guacd: guacd[25069]: INFO:#011Last user of
> connection "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" disconnected
> Oct 30 12:35:18 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011Requesting
> termination of client...
> Oct 30 12:35:18 aguacate-srv-us1 guacd[25069]: User
> "@51caf17d-aef4-41b6-a151-c2a21ba73088" disconnected (0 users remain)
> Oct 30 12:35:18 aguacate-srv-us1 guacd[25069]: Last user of connection
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" disconnected
> Oct 30 12:35:19 aguacate-srv-us1 guacd: guacd[25069]: DEBUG:#011AUDIO_INPUT
> channel connection closed
> Oct 30 12:35:19 aguacate-srv-us1 kernel: guacd[25080]: segfault at
> 7f7fb4001670 ip 00007f7fb4001670 sp 00007f7fa0955a38 error 15
> Oct 30 12:35:19 aguacate-srv-us1 guacd[21561]: Connection
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" removed.
> Oct 30 12:35:19 aguacate-srv-us1 guacd: guacd[21561]: INFO:#011Connection
> "$a17fd54d-4132-497b-aa2a-35afb3fa2c4b" removed.
> {noformat}
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