** Description changed: + [Impact] + + * It should be possible to change DRM driver without rebooting. + * It should be possible to correctly suspend & resume, whilst preserving driver state. + * This bug is for userspace/logind fixes, required to get above working. + * Related kernel change is https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1778658 + * https://github.com/torvalds/linux/commit/5775b843a619b3c93f946e2b55a208d9f0f48b59 + + [Test Case] + + * Test and verify that on machines with Nvidia discrete graphics, one + can change performance/power-saving modes without rebooting. + + [Regression Potential] + + * There are changes to the fd handling that are passed to logind. At + worst, fd to the NVIDIA driver will still be held, and thus one would + continue to not be able to switch graphics modes without rebooting. + + [Other Info] + + * original bug report: + refer to https://github.com/systemd/systemd/issues/6908 we need that solution to make NVIDIA dGPU switching works. impacted issue: https://bugs.launchpad.net/somerville/+bug/1774326
** Changed in: systemd (Ubuntu Bionic) Status: Incomplete => In Progress -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1777099 Title: [backport] DRM devices opened by logind stay referenced indefinitely by PID 1 Status in OEM Priority Project: New Status in systemd: Fix Released Status in systemd package in Ubuntu: Fix Committed Status in systemd source package in Bionic: In Progress Bug description: [Impact] * It should be possible to change DRM driver without rebooting. * It should be possible to correctly suspend & resume, whilst preserving driver state. * This bug is for userspace/logind fixes, required to get above working. * Related kernel change is https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1778658 * https://github.com/torvalds/linux/commit/5775b843a619b3c93f946e2b55a208d9f0f48b59 [Test Case] * Test and verify that on machines with Nvidia discrete graphics, one can change performance/power-saving modes without rebooting. [Regression Potential] * There are changes to the fd handling that are passed to logind. At worst, fd to the NVIDIA driver will still be held, and thus one would continue to not be able to switch graphics modes without rebooting. [Other Info] * original bug report: refer to https://github.com/systemd/systemd/issues/6908 we need that solution to make NVIDIA dGPU switching works. impacted issue: https://bugs.launchpad.net/somerville/+bug/1774326 To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1777099/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp