I see the problem on a Dell Inspiron. /proc/cpuinfo shows vendor_id : GenuineIntel cpu family : 6 model : 78 model name : Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz stepping : 3 microcode : 0xcc
A working version is intel-microcode/now 3.20190618.0ubuntu0.16.04.1 amd64 [installed,upgradable to: 3.20201110.0ubuntu0.16.04.2] Upgrading to 3.20201110.0ubuntu0.16.04.2 leads to a freeze on boot: after selecting an entry in the grub menu there is a message about loading initramfs and the machine becomes totally unresponsive, needs a hard poweroff. Rolling back to the previous version of intel-microcode restores system to a working state. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1908840 Title: Fail to boot due to intel-microcode update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1908840/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs