This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1820990 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1820990 Title: [SRU][B/B-OEM/C/D] Fix AMD IOMMU NULL dereference Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Bug description: [Impact] When no acpi hid match the device, there will be a NULL dereference in amd iommu. It will make system hang. [Fix] Check NULL pointer before using it. [Test] Tested on several AMD platforms, bugs are fixed with this patch. [Regression Potential] Low, upstream fix, Verified on several platforms. It should be safe. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1820990/+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