Hi,
To follow up on this, I have tracked it down to a core dump in freeRDP
#0 0x00000595f62d7a6b in _aligned_free () from
/usr/local/lib/libwinpr2.so.0.0
#1 0x0000059695a59205 in Bitmap_Free () from
/usr/local/lib/libfreerdp2.so.0.0
#2 0x0000059695a1979d in gdi_bitmap_update () from
/usr/local/lib/libfreerdp2.so.0.0
#3 0x0000059695a75494 in fastpath_recv_update () from
/usr/local/lib/libfreerdp2.so.0.0
#4 0x0000059695a73a63 in fastpath_recv_updates () from
/usr/local/lib/libfreerdp2.so.0.0
#5 0x0000059695a6f438 in rdp_recv_pdu () from
/usr/local/lib/libfreerdp2.so.0.0
#6 0x0000059695a6ea14 in rdp_recv_callback () from
/usr/local/lib/libfreerdp2.so.0.0
#7 0x0000059695a77e33 in transport_check_fds () from
/usr/local/lib/libfreerdp2.so.0.0
#8 0x0000059695a6fc41 in rdp_check_fds () from
/usr/local/lib/libfreerdp2.so.0.0
#9 0x0000059695a58098 in freerdp_check_fds () from
/usr/local/lib/libfreerdp2.so.0.0
#10 0x0000059695a58331 in freerdp_check_event_handles () from
/usr/local/lib/libfreerdp2.so.0.0
#11 0x00000596756a5e10 in guac_rdp_client_thread (data=Variable "data"
is not available.
I am troubleshooting the install of FreeRDP on my system.
Thanks,
Steve W.
On 18/04/2020 5:16 p.m., Steve Williams wrote:
Hi,
I have recently installed guacamole 1.1.0 running under Tomcat 9.0.22.
Right now, this is only running local to my Intranet, it's not
publicly accessible for security reasons until I get it working.
SSH sessions through guacamole work totally fine, but when I try an
RDP session, it appears the child process is suddenly exiting
silently. I have looked for a "core" file, but there isn't one.
pcengine$ guacd -f -L debug
guacd[28399]: INFO: Guacamole proxy daemon (guacd) version 1.1.0
started
guacd[28399]: DEBUG: Successfully bound socket to host 127.0.0.1,
port 4822
guacd[28399]: INFO: Listening on host 127.0.0.1, port 4822
guacd[28399]: INFO: Creating new client for protocol "rdp"
guacd[28399]: INFO: Connection ID is
"$eb17d7b3-8e23-42f5-8265-7d2f718a4188"
guacd[53664]: DEBUG: Processing instruction: size
guacd[53664]: DEBUG: Processing instruction: audio
guacd[53664]: DEBUG: Processing instruction: video
guacd[53664]: DEBUG: Processing instruction: image
guacd[53664]: DEBUG: Processing instruction: timezone
guacd[53664]: DEBUG: Parameter "console" omitted. Using default
value of 0.
guacd[53664]: DEBUG: Parameter "console-audio" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "disable-auth" omitted. Using
default value of 0.
guacd[53664]: INFO: No security mode specified. Defaulting to
security mode negotiation with server.
guacd[53664]: DEBUG: User resolution is 1557x831 at 96 DPI
guacd[53664]: DEBUG: Parameter "dpi" omitted. Using default value
of 96.
guacd[53664]: DEBUG: Using resolution of 1556x831 at 96 DPI
guacd[53664]: DEBUG: Parameter "read-only" omitted. Using default
value of 0.
guacd[53664]: DEBUG: Parameter "client-name" omitted. Using default
value of "Guacamole RDP".
guacd[53664]: DEBUG: Parameter "enable-wallpaper" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "enable-theming" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "enable-font-smoothing" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "enable-full-window-drag" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "enable-desktop-composition"
omitted. Using default value of 0.
guacd[53664]: DEBUG: Parameter "enable-menu-animations" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "disable-bitmap-caching" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "disable-offscreen-caching" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "disable-glyph-caching" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "color-depth" omitted. Using default
value of 16.
guacd[53664]: DEBUG: Parameter "disable-audio" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "enable-printing" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "printer-name" omitted. Using
default value of "Guacamole Printer".
guacd[53664]: DEBUG: Parameter "enable-drive" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "drive-name" omitted. Using default
value of "Guacamole Filesystem".
guacd[53664]: DEBUG: Parameter "drive-path" omitted. Using default
value of "".
guacd[53664]: DEBUG: Parameter "create-drive-path" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "timezone" omitted. Using default
value of "America/Edmonton".
guacd[53664]: DEBUG: Parameter "enable-sftp" omitted. Using default
value of 0.
guacd[53664]: DEBUG: Parameter "sftp-hostname" omitted. Using
default value of "192.168.124.101".
guacd[53664]: DEBUG: Parameter "sftp-port" omitted. Using default
value of "22".
guacd[53664]: DEBUG: Parameter "sftp-username" omitted. Using
default value of "".
guacd[53664]: DEBUG: Parameter "sftp-password" omitted. Using
default value of "".
guacd[53664]: DEBUG: Parameter "sftp-passphrase" omitted. Using
default value of "".
guacd[53664]: DEBUG: Parameter "sftp-root-directory" omitted. Using
default value of "/".
guacd[53664]: DEBUG: Parameter "sftp-server-alive-interval"
omitted. Using default value of 0.
guacd[53664]: DEBUG: Parameter "recording-name" omitted. Using
default value of "recording".
guacd[53664]: DEBUG: Parameter "recording-exclude-output" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "recording-exclude-mouse" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "recording-include-keys" omitted.
Using default value of 0.
guacd[53664]: DEBUG: Parameter "create-recording-path" omitted.
Using default value of 0.
guacd[53664]: INFO: Resize method: none
guacd[53664]: DEBUG: Parameter "enable-audio-input" omitted. Using
default value of 0.
guacd[53664]: DEBUG: Parameter "gateway-port" omitted. Using
default value of 443.
guacd[53664]: INFO: User "@7ac6e2c7-6962-4eaf-b7a2-5d1d9376983d"
joined connection "$eb17d7b3-8e23-42f5-8265-7d2f718a4188" (1 users now
present)
guacd[53664]: DEBUG: Client is using protocol version "VERSION_1_1_0"
guacd[53664]: INFO: Loading keymap "base"
guacd[53664]: INFO: Loading keymap "en-us-qwerty"
guacd[53664]: DEBUG: Support for CLIPRDR (clipboard redirection)
registered. Awaiting channel connection.
guacd[53664]: DEBUG: Support for static channel "rdpdr" loaded.
guacd[53664]: DEBUG: Support for static channel "rdpsnd" loaded.
guacd[53664]: DEBUG: Local framebuffer format PIXEL_FORMAT_BGRX32
guacd[53664]: DEBUG: Remote framebuffer format PIXEL_FORMAT_RGB16
guacd[53664]: DEBUG: CLIPRDR (clipboard redirection) channel
connected.
guacd[53664]: DEBUG: SVC "rdpdr" connected.
guacd[53664]: DEBUG: SVC "rdpsnd" connected.
guacd[28399]: INFO: Connection
"$eb17d7b3-8e23-42f5-8265-7d2f718a4188" removed.
I have verified that the laptop I am trying to connect to has RDP
enabled (by connecting from another laptop). I have also allocated
DHCP static IP's to make sure they don't change unexpectedly!
I am keeping things simple with a user-mapping.xml file and the
relevant entry would be:
...
<!-- Old Dell laptop-->
<connection name="Old Dell Laptop (XP) ">
<protocol>rdp</protocol>
<param name="hostname">192.168.124.101</param>
<param name="port">3389</param>
<param name="ignore-cert">true</param>
</connection>
What can I do to troubleshoot this further?
Just for reference, here is an SSH session log file:
guacd[28399]: INFO: Creating new client for protocol "ssh"
guacd[28399]: INFO: Connection ID is
"$9330e7a2-6547-49a5-8536-64163934eec0"
guacd[85425]: INFO: Current locale does not use UTF-8. Some
characters may not render correctly.
guacd[85425]: DEBUG: Processing instruction: size
guacd[85425]: DEBUG: Processing instruction: audio
guacd[85425]: DEBUG: Processing instruction: video
guacd[85425]: DEBUG: Processing instruction: image
guacd[85425]: DEBUG: Processing instruction: timezone
guacd[85425]: DEBUG: Parameter "scrollback" omitted. Using default
value of 1000.
guacd[85425]: DEBUG: Parameter "font-name" omitted. Using default
value of "monospace".
guacd[85425]: DEBUG: Parameter "font-size" omitted. Using default
value of 12.
guacd[85425]: DEBUG: Parameter "color-scheme" omitted. Using
default value of "".
guacd[85425]: DEBUG: Parameter "enable-sftp" omitted. Using default
value of 0.
guacd[85425]: DEBUG: Parameter "sftp-root-directory" omitted. Using
default value of "/".
guacd[85425]: DEBUG: Parameter "read-only" omitted. Using default
value of 0.
guacd[85425]: DEBUG: Parameter "typescript-name" omitted. Using
default value of "typescript".
guacd[85425]: DEBUG: Parameter "create-typescript-path" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "recording-name" omitted. Using
default value of "recording".
guacd[85425]: DEBUG: Parameter "recording-exclude-output" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "recording-exclude-mouse" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "recording-include-keys" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "create-recording-path" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "server-alive-interval" omitted.
Using default value of 0.
guacd[85425]: DEBUG: Parameter "backspace" omitted. Using default
value of 127.
guacd[85425]: DEBUG: Parameter "terminal-type" omitted. Using
default value of "linux".
guacd[85425]: DEBUG: Parameter "timezone" omitted. Using default
value of "America/Edmonton".
guacd[85425]: INFO: User "@d6589f24-0284-4570-93e6-ea5e43692fef"
joined connection "$9330e7a2-6547-49a5-8536-64163934eec0" (1 users now
present)
guacd[85425]: DEBUG: Client is using protocol version "VERSION_1_1_0"
guacd[85425]: DEBUG: Successfully connected to host 192.168.124.4,
port 22
guacd[85425]: WARNING: No known host keys provided, host identity
will not be verified.
guacd[85425]: DEBUG: Supported authentication methods:
publickey,password
guacd[85425]: WARNING: Unable to set the timezone: SSH server refused
to set "TZ" variable.
guacd[85425]: INFO: SSH connection successful.
Thanks,
Steve Williams
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