This bug was fixed in the package intel-microcode - 3.20191115.1ubuntu0.19.04.2
--------------- intel-microcode (3.20191115.1ubuntu0.19.04.2) disco-security; urgency=medium * REGRESSION UPDATE: warm reboots cause hangs on certain Skylake processors (LP: #1854764) + Reverted microcode (from revision 0x2000065): sig 0x00050654, pf_mask 0xb7, 2019-07-31, rev 0x2000064, size 33792 -- Steve Beattie <sbeat...@ubuntu.com> Mon, 02 Dec 2019 12:39:25 -0800 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1854764 Title: Dell 5280 hangs on warm reboot after upgrading intel-microcode package To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1854764/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs