** Description changed: [Impact] After suspend then restart, the System would hang during shutdown. [Fix] + The commit has pushed to upstream but still wait for the maintainer of IOMMU to apply. + https://lore.kernel.org/linux-iommu/20200721001713.24282-1-baolu...@linux.intel.com/ + 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.
** Tags added: oem-priority originate-from-1881703 somerville -- 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 HWE Next: New 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] The commit has pushed to upstream but still wait for the maintainer of IOMMU to apply. https://lore.kernel.org/linux-iommu/20200721001713.24282-1-baolu...@linux.intel.com/ 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/hwe-next/+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
