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https://issues.apache.org/jira/browse/GUACAMOLE-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244862#comment-17244862
]
Mike Jumper commented on GUACAMOLE-1203:
----------------------------------------
Not all segfaults are equal. I'll try to go through everything that people have
been posting here, but let's please not turn this into a segfault megathread.
h3. This +specific+ issue (GUACAMOLE-1203, the segfault reported by [~jkuri])
Here, a segfault appears to be occurring *during the cleanup of the
{{AUDIO_INPUT}} channel*. The stacktrace provided is:
{code:none}
#0 0x00007f4904000b40 in ?? ()
#1 0x00007f4919e9a88b in guac_protocol_send_ack (socket=0x7f4904000078,
stream=0x7f4904000b90, error=0x7f49082fd20f "CLOSED",
status=GUAC_PROTOCOL_STATUS_RESOURCE_CLOSED) at protocol.c:76
#2 0x00007f49082f809b in guac_rdp_audio_buffer_ack (audio_buffer=<optimized
out>, message=<optimized out>, status=<optimized out>) at
channels/audio-input/audio-buffer.c:73
##3 0x00007f49082f83cd in guac_rdp_audio_buffer_end (audio_buffer=0x29ef2b0)
at channels/audio-input/audio-buffer.c:295
#4 0x00007f49082f8ec0 in guac_rdp_ai_close (channel_callback=0x7f48f4000c80)
at plugins/guacai/guacai.c:151
#5 0x00007f4911475246 in dvcman_channel_free () from
/lib64/libfreerdp-client2.so.2
#6 0x00007f49111b19ac in ArrayList_Remove () from /lib64/libwinpr2.so.2
#7 0x00007f491147520d in dvcman_close_channel () from
/lib64/libfreerdp-client2.so.2
#8 0x00007f4911476f01 in drdynvc_virtual_channel_client_thread () from
/lib64/libfreerdp-client2.so.2
#9 0x00007f49111d2e9f in thread_launcher () from /lib64/libwinpr2.so.2
#10 0x00007f49192c1ea5 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4917bb68dd in clone () from /lib64/libc.so.6
{code}
_This issue (GUACAMOLE-1203) should be confined to that specific segfault_, not
any segfault at all that occurs during an RDP connection. If you are
encountering a segfault, please first obtain a stack trace from gdb before
hopping on here.
h3. Segfault/failure when clicking the start menu of older Windows machines
([~bf_hunter])
This is a known issue with older RCs of FreeRDP 2.0.0 and is not believed to be
a bug in Guacamole. See:
* GUACAMOLE-950
* GUACAMOLE-1072
{quote}
Not sure if it's something guac is doing or a problem with freerdp, since
libwinpr is their baby, but I don't see anything similar on their end.
{quote}
The thing to test here would be the RDP client that comes with FreeRDP (and is
built from the same build of FreeRDP). If you encounter the same trouble when
connecting using their client with equivalent options, then it is definitely
not a bug in Guacamole.
h3. GUACAMOLE-1140 ([~everflux])
Here, a segfault is occurring in the handling of *arbitrary SVC pipe streams*
(arbitrary streams connected using Guacamole's {{pipe}} instruction and the RDP
support's {{static-channels}} connection parameter). It is a different issue.
The stacktrace provided is:
{code:none}
#1 0x000055da270e5de9 in guac_common_list_lock (list=<optimized out>) at
list.c:75
#2 0x00007f8bb956c5cb in guac_rdp_pipe_svc_send_pipes
(user=user@entry=0x7f8bac00d5e0) at channels/pipe-svc.c:49
#3 0x00007f8bb957a0cb in guac_rdp_user_join_handler (user=0x7f8bac00d5e0,
argc=<optimized out>, argv=<optimized out>) at user.c:92
#4 0x00007f8bbb1d134a in guac_client_add_user
(client=client@entry=0x7f8b280060e0, user=user@entry=0x7f8bac00d5e0,
argc=argc@entry=76,
argv=<optimized out>) at client.c:286
#5 0x00007f8bbb1d8bea in guac_user_handle_connection
(user=user@entry=0x7f8bac00d5e0, usec_timeout=usec_timeout@entry=15000000)
at user-handshake.c:337
#6 0x000055da270e5a96 in guacd_user_thread (data=0x7f8b280ad010) at proc.c:98
#7 0x00007f8bbade2fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f8bba71f4cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
{code}
> 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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