Public bug reported: [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 ** Affects: xorg-server (Ubuntu) Importance: Undecided Status: New ** Tags: patch ** Patch added: "jammy-0.debdiff" https://bugs.launchpad.net/bugs/2056331/+attachment/5753369/+files/jammy-0.debdiff -- You received this bug notification because you are a member of Ubuntu-X, 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2056331/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
