Public bug reported:
When I connect to a remote Gnome session the connection fails, because
the remote side crashes:
```
Feb 26 11:50:26 kernel: audit: type=1400 audit(1772103026.494:348):
apparmor="DENIED" operation="capable" class="cap" profile="fusermount3"
pid=161659 comm="fusermount3" capability=1 capname="dac_override"
Feb 26 11:50:26 kernel: audit: type=1400 audit(1772103026.494:349):
apparmor="DENIED" operation="capable" class="cap" profile="fusermount3"
pid=161659 comm="fusermount3" capability=7 capname="setuid"
Feb 26 11:50:26 kernel: audit: type=1400 audit(1772103026.494:350):
apparmor="DENIED" operation="capable" class="cap" profile="fusermount3"
pid=161660 comm="fusermount3" capability=7 capname="setuid"
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: [RDP.CLIPRDR] Relieving
CLIPRDR filename restriction
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: libva info: VA-API version
1.22.0
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: libva info: Trying to open
/usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: libva info: Found init
function __vaDriverInit_1_22
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: libva info:
va_openDriver() returns 0
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: [RDP] Did not initialize
VAAPI: Unsuitable device, missing required AVC profile
Feb 26 11:50:26 gnome-remote-desktop-daemon[161593]: [RDP.CLIPRDR] Client
capabilities: long format names, stream file clip, file clip no file paths,
huge file support
Feb 26 11:50:26 kernel: gnome-remote-de[161593]: segfault at 18 ip
00005f0affe3fb65 sp 00007ffc075874d0 error 4 in
gnome-remote-desktop-daemon[6ab65,5f0affdeb000+77000] likely on CPU 0 (core 0,
socket 0)
Feb 26 11:50:26 kernel: Code: 00 48 8b 50 18 48 8b 52 58 48 85 d2 0f 84 af 07
00 00 48 8b 40 70 4c 8d 4d b0 45 31 c0 31 c9 4c 89 8d 40 ff ff ff 48 8b 40 30
<48> 8b 40 18 48 8b 70 18 48 c7 45 b0 00 00 00 00 48 8b 7a 18 ba 58
Feb 26 11:50:26 systemd-coredump[161674]: Process 161593 (gnome-remote-de) of
user 1001 terminated abnormally with signal 11/SEGV, processing...
Feb 26 11:50:26 systemd[1]: Started
systemd-coredump@3-8193-161674_161675-0.service - Process Core Dump (PID
161674/UID 0).
Feb 26 11:50:26 systemd-coredump[161675]: [🡕] Process 161593 (gnome-remote-de)
of user 1001 dumped core.
Feb 26 11:50:27 systemd[1]: systemd-coredump@3-8193-161674_161675-0.service:
Deactivated successfully.
Feb 26 11:50:27 systemd[1]: systemd-coredump@3-8193-161674_161675-0.service:
Consumed 381ms CPU time over 418ms wall clock time, 195.7M memory peak.
Feb 26 11:50:27 systemd[1]: systemd-coredump@3-8193-161674_161675-0.service:
Triggering OnSuccess= dependencies.
Feb 26 11:50:27 gnome-shell[157099]: Client error: socket disconnected
Feb 26 11:50:27 systemd[1]: Starting
apport-coredump-hook@3-8193-161674_161675-0.service...
Feb 26 11:50:27 systemd[3779]: gnome-remote-desktop.service: Main process
exited, code=dumped, status=11/SEGV
Feb 26 11:50:27 systemd[3779]: gnome-remote-desktop.service: Failed with result
'core-dump'.
Feb 26 11:50:27 gnome-shell[157099]: D-Bus client with active sessions vanished
Feb 26 11:50:27 systemd[1]:
apport-coredump-hook@3-8193-161674_161675-0.service: Deactivated successfully.
Feb 26 11:50:27 systemd[1]: Finished
apport-coredump-hook@3-8193-161674_161675-0.service.
Feb 26 11:50:27 systemd[3779]: gnome-remote-desktop.service: Scheduled restart
job, restart counter is at 2.
Feb 26 11:50:27 systemd[3779]: Starting gnome-remote-desktop.service - GNOME
Remote Desktop...
Feb 26 11:50:27 systemd[3779]: Started gnome-remote-desktop.service - GNOME
Remote Desktop.
Feb 26 11:50:27 gnome-remote-desktop-daemon[161690]: Cannot load
libnvidia-encode.so.1
Feb 26 11:50:27 gnome-remote-desktop-daemon[161690]: [HWAccel.Vulkan]
Initialization of Vulkan was successful
Feb 26 11:50:27 gnome-remote-desktop-daemon[161690]: RDP server started
```
Here is the begin of the backtrace:
```
#1 grd_hwaccel_vulkan_get_modifiers_for_format (hwaccel_vulkan=<optimized
out>, physical_device=<optimized out>, drm_format=875713112,
out_n_modifiers=<synth>
vk_physical_device = <optimized out>
modifiers = <optimized out>
error = 0x5f0b0eab9290
#2 get_modifiers_for_format (stream=0x5f0b0e98ccf0, drm_format=875713112,
out_n_modifiers=<synthetic pointer>, out_modifiers=<synthetic pointer>) at
../src/g>
rdp_server = 0x5f0b0e978010
hwaccel_vulkan = <optimized out>
renderer = 0x5f0b0e9c9600
vk_device = <optimized out>
vk_physical_device = <optimized out>
session = 0x5f0b0e97a690
context = <optimized out>
egl_thread = <optimized out>
#3 add_format_params (stream=stream@entry=0x5f0b0e98ccf0,
virtual_monitor=virtual_monitor@entry=0x0,
pod_builder=pod_builder@entry=0x7ffc07587600, params=par>
drm_format = 875713112
n_modifiers = <optimized out>
modifiers = <optimized out>
session = <optimized out>
context = <optimized out>
rdp_server = <optimized out>
hwaccel_nvidia = 0x0
egl_thread = 0x5f0b0e972810
surface_renderer = <optimized out>
refresh_rate = 60
format_frame = {pod = {size = 216, type = 15}, parent = 0x0, offset =
0, flags = 0}
need_fallback_format = 0
n_params = 0
_g_boolean_var_11 = <optimized out>
#4 0x00005f0affe43fa5 in connect_to_stream (stream=0x5f0b0e98ccf0,
virtual_monitor=0x0, error=0x7ffc07587ad8) at
../src/grd-rdp-pipewire-stream.c:1023
```
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: gnome-remote-desktop 50~beta-1
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu Feb 26 11:54:07 2026
InstallationDate: Installed on 2023-04-24 (1039 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
SourcePackage: gnome-remote-desktop
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-remote-desktop (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
** Attachment added: "grdd.bt"
https://bugs.launchpad.net/bugs/2142743/+attachment/5948691/+files/grdd.bt
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2142743
Title:
gnome-remote-desktop-daemon crashes with segfault in
grd_context_get_mutter_remote_desktop_proxy
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-remote-desktop/+bug/2142743/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
