Public bug reported: [Impact] After suspend then restart, the System would hang during shutdown.
[Fix] Skip the TE disabling for the quirky gfx dedicated iommu and the system would not hang during shutdown. [test] With the patch, the machine restart successfully. [Regression Potential] low, the patch just skip the TE disabling and wouldn't affect the normal usage. ** Affects: linux-oem-5.6 (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-5.6 (Ubuntu Focal) Importance: Undecided Assignee: koba (kobako) Status: In Progress ** Also affects: linux-oem-5.6 (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: linux-oem-5.6 (Ubuntu Focal) Assignee: (unassigned) => koba (kobako) ** Changed in: linux-oem-5.6 (Ubuntu Focal) Status: New => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.6 in Ubuntu. https://bugs.launchpad.net/bugs/1888375 Title: Restart the machine successfully after suspend Status in linux-oem-5.6 package in Ubuntu: New Status in linux-oem-5.6 source package in Focal: In Progress Bug description: [Impact] After suspend then restart, the System would hang during shutdown. [Fix] Skip the TE disabling for the quirky gfx dedicated iommu and the system would not hang during shutdown. [test] With the patch, the machine restart successfully. [Regression Potential] low, the patch just skip the TE disabling and wouldn't affect the normal usage. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.6/+bug/1888375/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp