On Mantic,
I installed the package from mantic-proposed and applied the same steps as I
did in jammy (mentioned in comment #19).
```
ubuntu@kria:~$ apt policy xserver-xorg-core
xserver-xorg-core:
Installed: 2:21.1.7-3ubuntu2.10
Candidate: 2:21.1.7-3ubuntu2.10
Version table:
*** 2:21.1.7-3ubuntu2.10 100
100 http://ports.ubuntu.com/ubuntu-ports mantic-proposed/main arm64
Packages
100 /var/lib/dpkg/status
```
After removing all connected usb devices from the board did a
suspend/resume test and everything is working fine in mantic version of
the package as well.
** Tags removed: verification-needed verification-needed-mantic
** Tags added: verification-done verification-done-mantic
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/2056331
Title:
[SRU] fix suspend/resume when there are no input devices
Status in X.Org X server:
Fix Released
Status in xorg-server package in Ubuntu:
Fix Released
Status in xorg-server source package in Jammy:
Fix Committed
Status in xorg-server source package in Mantic:
Fix Committed
Status in xorg-server source package in Noble:
Fix Released
Bug description:
[Impact]
Bug is impacting the suspend/resume flow when there is no input device
connected to machine. xorg hangs in this case.
[Where problems could occur]
The problem could occur in places where there is no input device
connected to the system but a suspend/resume is triggered.
[Test Case]
* Enable proposed updates (https://wiki.ubuntu.com/Testing/EnableProposed)
* Update xorg-server to the version in -proposed: sudo apt install -t
jammy-proposed xorg-server
* Unplug all USB devices such as USB drive, keyboard, mouse, etc.
* Set RTC timer and suspend the system via UART console
$ echo 8 > /proc/sys/kernel/printk
$ sudo rtcwake -v -m no -s 240
$ sudo systemctl suspend
[Regression Potential]
The patch defines a default behavior in systemd_logind_drop_master
function so there is a possibility that there might be a regression
that may affect all the systems that utilizes
systemd_logind_drop_master
------------------------
Upstream Bug: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1387
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