** Changed in: linux-kvm (Ubuntu)
Milestone: None => ubuntu-20.04
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https://bugs.launchpad.net/bugs/1873912
Title:
multipathd.service fails to start with linux-kvm kernel
Status in linux-kvm package in Ubuntu:
In Progress
Bug description:
SRU Justification
Impact: multipath-tools is installed by default in server images. With
the linux-kvm kernel, multipathd.service fails to start because we do
not build dm-multipath in linux-kvm.
Fix: Enable the dm-multipath modules in linux-kvm.
Test Case: Booting the kvm kernel with these modules enabled allows
multipathd.service to start successfully.
Regression Potential: This adds a new module which is loaded my
multipathd.service. However it's not really going to be utilized
unless it is wanted, and as this module is shipped with our other
kernels without issue the risk of regressions is low.
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When doing a dist-upgrade in a vm running the linux-kvm kernel,
multipath-tools failed because multipathd.service failed to start.
Setting up multipath-tools (0.8.3-1ubuntu2) ...
Job for multipathd.service failed because the control process exited with
error code.
See "systemctl status multipathd.service" and "journalctl -xe" for details.
invoke-rc.d: initscript multipath-tools, action "start" failed.
● multipathd.service - Device-Mapper Multipath Device Controller
Loaded: loaded (/lib/systemd/system/multipathd.service; enabled; vendor
preset: enabled)
Active: failed (Result: exit-code) since Mon 2020-04-20 16:49:35 UTC;
7ms ago
TriggeredBy: ● multipathd.socket
Process: 800 ExecStartPre=/sbin/modprobe -a scsi_dh_alua scsi_dh_emc
scsi_dh_rdac dm-multipath (code=exited, status=1/FAILURE)
Process: 801 ExecStart=/sbin/multipathd -d -s (code=exited,
status=1/FAILURE)
Main PID: 801 (code=exited, status=1/FAILURE)
Status: "configure"
Apr 20 16:49:35 ff-kvm modprobe[800]: modprobe: WARNING: Module scsi_dh_emc
not found in directory /lib/modules/5.4.0-1008-kvm
Apr 20 16:49:35 ff-kvm modprobe[800]: modprobe: WARNING: Module scsi_dh_rdac
not found in directory /lib/modules/5.4.0-1008-kvm
Apr 20 16:49:35 ff-kvm modprobe[800]: modprobe: WARNING: Module dm-multipath
not found in directory /lib/modules/5.4.0-1008-kvm
Apr 20 16:49:35 ff-kvm multipathd[801]: --------start up--------
Apr 20 16:49:35 ff-kvm multipathd[801]: read /etc/multipath.conf
Apr 20 16:49:35 ff-kvm multipathd[801]: DM multipath kernel driver not loaded
Apr 20 16:49:35 ff-kvm multipathd[801]: DM multipath kernel driver not loaded
Apr 20 16:49:35 ff-kvm systemd[1]: multipathd.service: Main process exited,
code=exited, status=1/FAILURE
Apr 20 16:49:35 ff-kvm systemd[1]: multipathd.service: Failed with result
'exit-code'.
Apr 20 16:49:35 ff-kvm systemd[1]: Failed to start Device-Mapper Multipath
Device Controller.
dpkg: error processing package multipath-tools (--configure):
installed multipath-tools package post-installation script subprocess
returned error exit status 1
dpkg: dependency problems prevent configuration of ubuntu-server:
ubuntu-server depends on multipath-tools; however:
Package multipath-tools is not configured yet.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: multipath-tools 0.8.3-1ubuntu2
ProcVersionSignature: User Name 5.4.0-1008.8-kvm 5.4.30
Uname: Linux 5.4.0-1008-kvm x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Apr 20 16:57:37 2020
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: multipath-tools
UpgradeStatus: No upgrade log present (probably fresh install)
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