Looks like it's i386 instead of AMD64? Please try linux-next [1] since there are some new PTI fixes.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/ -- 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/1784585 Title: CPUs stall Status in linux package in Ubuntu: Confirmed Bug description: Frequently on boot system freezes. Investigation reveals both CPUs stall. Full log attached. It’s a pretty old laptop, but all else seems to work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784585/+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