Curiously, if I turn off the system, connect/disconnect the battery (battery reset hole at the bottom of the laptop) and turn on the system, NO errors.
At next boot, errors reappear. https://bugzilla.kernel.org/show_bug.cgi?id=194825#c24 ** Bug watch added: Linux Kernel Bug Tracker #194825 https://bugzilla.kernel.org/show_bug.cgi?id=194825 ** Summary changed: - Unstable LTS kernel 4.13.0-26 + Unstable LTS kernel 4.13 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1742626 Title: Unstable LTS kernel 4.13 Status in linux-signed package in Ubuntu: Confirmed Bug description: At job, after upgrading many Lubuntu 16.04 LTS 64 bit systems from 4.10 to 4.13 they are (most of them) unstable. Acer TravelMate B117-M (SSD disk) freeze at boot or show errors at startup such: unexpected irq trap at vector similar to https://forum.manjaro.org/t/manjaro-kernel-4-13-unexpected- irq-trap-at-vector-e3-error/30942 At home (no signed kernel, old machine) my VirtualBox freezes also the machine, as explained at https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1736116/comments/14 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1742626/+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
