I updated my BIOS and tested the -24 kernel, as was recommended. It definitely doesn't work any better. It still has the null dereference problem, and then it prints a bunch of smp_call_function_too_many errors, apparently forever.
On Tue, Jun 19, 2018, 08:11 Joseph Salisbury <joseph.salisb...@canonical.com> wrote: > Can you see if this issue exists in the 4.15.0-24 kernel: > > https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/15010188 > > Note about installing test kernels: > • If the test kernel is prior to 4.15(Bionic) you need to install the > linux-image and linux-image-extra .deb packages. > • If the test kernel is 4.15(Bionic) or newer, you need to install the > linux-modules, linux-modules-extra and linux-image-unsigned .deb packages. > > Thanks in advance! > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1777338 > > Title: > Linux 4.15.0-23 crashes during the boot process with a "Unable to > handle kernel NULL pointer dereference" message > > Status in linux package in Ubuntu: > In Progress > Status in linux source package in Bionic: > In Progress > > Bug description: > I went to boot my computer today and it wouldn't boot. > > I get an "Unable to handle kernel NULL pointer dereference" message > during the boot process, and, a bit after that, a message from the > kernel watchdog about CPU #0 being stuck. Then the boot process stops > completely. > > I was able to boot the system by telling Grub to load 4.15.0-22, which > works perfectly fine, so there has been a regression. > > I am running Ubuntu as a Xen dom0, if that matters. I haven't tried > booting the offending kernel version without Xen. > > I'm not sure where, if anywhere, these messages go on disk, for > posting. > > ProblemType: Bug > DistroRelease: Ubuntu 18.04 > Package: linux-image-4.15.0-23-generic 4.15.0-23.25 > ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 > Uname: Linux 4.15.0-22-generic x86_64 > NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair > ApportVersion: 2.20.9-0ubuntu7.1 > Architecture: amd64 > CurrentDesktop: ubuntu:GNOME > Date: Sun Jun 17 10:12:58 2018 > InstallationDate: Installed on 2017-08-06 (314 days ago) > InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > SourcePackage: linux-signed > UpgradeStatus: Upgraded to bionic on 2018-05-29 (19 days ago) > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777338/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777338 Title: Linux 4.15.0-23 crashes during the boot process with a "Unable to handle kernel NULL pointer dereference" message To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777338/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
