Upgrade Ubuntu 18.04 kernel from 4.15.0-29 to 4.15.0-72
Lijian Zhang
Lijian.Zhang at arm.com
Tue Jan 14 11:13:33 UTC 2020
Dear Maintainers,
I'm trying to upgrade the Ubuntu18.04 kernel on my server with below command from 4.15.0-29 to 4.15.0-72. 4.15.0-72 kernel was installed, but it failed to boot up with the error message at the end of this email.
sudo apt-get install linux-headers-4.15.0-72 linux-headers-4.15.0-72-generic linux-image-4.15.0-72-generic linux-modules-4.15.0-72-generic linux-tools-4.15.0-72 linux-tools-4.15.0-72-generic
Then I decided to upgrade kernel from source code, using below git repository. Kernel was updated and can boot up normally, however the kernel version shows '4.15.18' instead of '4.15.0-72.81' as commented in the git log.
Is the kernel '4.15.18' installed from source the same as the kernel '4.15.0-72' installed from cloud distro?
Could you guide me to get the correct source code responding to distro linux-image-4.15.0-72-generic?
git clone git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic
https://packages.ubuntu.com/source/bionic/linux
commit 48d6312566e04b7a713cc7c15ae7dcd37efcfa95 (HEAD -> master, tag: Ubuntu-4.15.0-72.81)
Author: Stefan Bader <stefan.bader at canonical.com<mailto:stefan.bader at canonical.com>>
Date: Tue Nov 26 12:18:37 2019 +0100
UBUNTU: Ubuntu-4.15.0-72.81
Signed-off-by: Stefan Bader <stefan.bader at canonical.com<mailto:stefan.bader at canonical.com>>
Thanks.
[ 12.935501] audit: type=1400 audit(1578815124.398:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/lxc-start" pid=1042 comm="apparmor_parser"
[ 12.953642] audit: type=1400 audit(1578815124.414:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default" pid=1039 comm="apparmor_parser"
[ 12.953650] audit: type=1400 audit(1578815124.414:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-cgns" pid=1039 comm="apparmor_parser"
[ 12.953654] audit: type=1400 audit(1578815124.414:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-with-mounting" pid=1039 comm="apparmor_parser"
[ 12.953659] audit: type=1400 audit(1578815124.414:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-with-nesting" pid=1039 comm="apparmor_parser"
[ 13.007718] audit: type=1400 audit(1578815124.470:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine" pid=1045 comm="apparmor_parser"
[ 13.007726] audit: type=1400 audit(1578815124.470:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine//mount-namespace-capture-helper" pid=1045 comm="apparmor_parser"
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: error opening /dev/md?*: No such file or directory
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
done.
Gave up waiting for root file system device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enough?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/mapper/net--arm--d05--08--vg-root does not exist. Dropping to a shell!
BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3) built-in shell (ash)
Enter 'help' for a list of built-in commands.
(initramfs)
(initramfs)
(initramfs) cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-4.15.0-72-generic root=/dev/mapper/net--arm--d05--08--vg-root ro isolcpus=1-8 nohz_full=1-8 rcu_nocbs=1-8 default_hugepa8(initramfs) ls /dev/mapper/*
/dev/mapper/control
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