I’d like to report what appears to be the same underlying issue in a somewhat
different environment, in case it helps confirm the scope of the bug.
I’m seeing the same overall failure pattern with GNOME Remote Login on Ubuntu
25.10, even though my setup differs from the original report in a few ways.
My environment is:
- Ubuntu 25.10 on the remote host
- GNOME Remote Desktop in system/Remote Login mode
- gnome-remote-desktop 49.0-0ubuntu1.1
- gdm3 49.0.1-1ubuntu2.1
- gnome-settings-daemon 49.0-1ubuntu3
- gnome-shell 49.0-1ubuntu1.2
- mutter 49.0-2ubuntu5.3
- libfreerdp3-3 3.16.0+dfsg-2ubuntu0.1
The important difference is that I am not using Windows mstsc, and I am not
using an Ubuntu Server style headless install. This is a normal Ubuntu desktop
machine, and I reproduced the problem with both:
- Apache Guacamole / guacd
- a direct FreeRDP client (xfreerdp)
That seems important because it suggests the problem is not specific to mstsc,
and also not specific to Guacamole. In my case, taking Guacamole out of the
equation entirely did not change the behavior.
What I observe is:
- RDP authentication succeeds
- the remote host starts the GDM remote login / greeter path
- then the connection stalls and is eventually cancelled
- gnome-remote-desktop-daemon logs:
- Aborting handover, removing remote client
- ERRINFO_CB_CONNECTION_CANCELLED [0x00010409]
During repeated failures, I also see GDM/greeter side effects such as stale
gdm-greeter / Xwayland processes and eventually errors like “Failed to create
an X lock file”, but after cleaning those up and retrying from a clean state,
the original handover failure still happens. So those look like secondary
fallout, not the primary cause.
I realize my environment differs from the original report, but the reason I
think this is likely the same root cause is:
- the package versions line up closely
- the failure occurs after authentication, during the GNOME Remote Login
handover
- it reproduces with multiple independent RDP clients
- restarting services, rebooting, and re-enabling Remote Login did not resolve
it
So from my perspective, this looks broader than “mstsc against Ubuntu Server
headless,” and more like a general regression in the GNOME Remote Login
handover path on this package set.
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https://bugs.launchpad.net/bugs/2141992
Title:
GNOME Remote Desktop: Headless system-level RDP fails NLA handshake
with Windows mstsc — black screen
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