For XPS 15 9550: $ dmesg |grep microcode [ 0.000000] microcode: microcode updated early to revision 0xd6, date = 2019-10-03 [ 1.948537] microcode: sig=0x506e3, pf=0x20, revision=0xd6 [ 1.950991] microcode: Microcode Update Driver: v2.2.
$ dpkg -l|grep micro ii amd64-microcode 3.20191021.1+really3.20181128.1ubuntu1.1 amd64 Processor microcode firmware for AMD CPUs ii intel-microcode 3.20191115.1ubuntu0.19.04.2 amd64 Processor microcode firmware for Intel CPUs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853369 Title: [19.10] Boot hangs at "loading initial ramdisk" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1853369/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs