[regression] cyclic reboot caused by the amd microcode updater
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
amd64-microcode (Ubuntu) |
Fix Released
|
High
|
Steve Beattie |
Bug Description
It happened like this:
using kernel 3.13.0-144 (14.04) - ok
jun 9: installed kernel 3.13.0-149 and rebooted - ok
jun 21: installed some updates including update to the cpu microcode which was set up to execute at the next boot
jun 28: rebooted to the same kernel 149 and the system went into cyclic reboot: shows grub screen, when the default kernel is selected reboots immediately with no messages and without creating any logs, nothing in /var/log with appropriate times
booted to 144 - no issues
tried upgrading to a new kernel (151) - same cyclic reboot
booted back to 144
I am not telling the microcode update is the culprit, but it is mighty suspicious. It cannot be uninstalled using standard tools without uninstalling the kernels packages (linux-generic, linux-image-
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSign
Uname: Linux 3.13.0-144-generic i686
NonfreeKernelMo
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: i386
Date: Thu Jun 28 13:04:38 2018
InstallationDate: Installed on 2011-08-18 (2505 days ago)
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Release i386 (20110427)
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to trusty on 2014-10-18 (1349 days ago)
affects: | xorg (Ubuntu) → amd64-microcode (Ubuntu) |
summary: |
- cyclic reboot with latest kernels possibly related to the cpu microcode - updater + cyclic reboot caused by the amd microcode updater |
tags: | added: regression-update |
summary: |
- cyclic reboot caused by the amd microcode updater + [regression] cyclic reboot caused by the amd microcode updater |
Changed in amd64-microcode (Ubuntu): | |
importance: | Undecided → High |
Changed in amd64-microcode (Ubuntu): | |
assignee: | nobody → Steve Beattie (sbeattie) |
I rolled back the amd64-microcode to the previous version (3.20180524. 1~ubuntu0. 14.04.1 to 2.20131007. 1+really2013071 0.1) and it resolved the issue, I can now boot to 151, so it is definitely related to amd64-microcode. I am using AMD Phenom(tm) II X4 975 Processor