It behaves a little differently. Before, it would clear the screen and get stuck. Now it shows this:
[ 36.067981] watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [kworker/5:1:71] [ 36.067983] watchdog: BUG: soft lockup - CPU#6 stuck for 22s! [thermald:1113] [ 36.527766] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0 [ 37.482793] NMI watchdog: Watchdog detected hard LOCKUP on cpu 3 [ 41.598740] NMI watchdog: Watchdog detected hard LOCKUP on cpu 1 Then there's a couple repeats of the first 2 lines at later times. -- 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/1759920 Title: intel-microcode 3.20180312.0 causes lockup at login screen(w/ linux- image-4.13.0-37-generic) Status in intel-microcode package in Ubuntu: Confirmed Status in linux package in Ubuntu: Confirmed Status in intel-microcode source package in Artful: Confirmed Status in linux source package in Artful: Confirmed Bug description: I don't know if this is a problem with the kernel or the microcode, but we have a significant number of computers in our organization (on both 16.04 and 17.10) that fail if they have both updated. Booting with either linux-image-4.13.0-36-generic or intel-microcode 3.20180108.0+really20170707ubuntu17.10.1 allows all these computers to boot. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1759920/+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
