This bug was fixed in the package systemd - 237-3ubuntu10.2
---------------
systemd (237-3ubuntu10.2) bionic; urgency=medium
* logind: backport v238/v239 fixes for handling DRM devices.
These changes introduce all the fixes that correct handling of open fd's
related to the DRM devices, as used by for example NVIDIA GPUs. This
backport
includes some refactoring, corrections, and comment updates. This to insure
that correct history is preserved, code comments match reality, and to ease
backporting logind fixes in the future SRUs. (LP: #1777099)
* Disable dh_installinit generation of tmpfiles for the systemd package.
Replace with a manual safe call to systemd-tmpfiles which will process any
updates to the tmpfiles shipped by systemd package, taking into account any
overrides shipped by other packages, sysadmin, or specified in the runtime
directories. (LP: #1748147)
systemd (237-3ubuntu10.1) bionic; urgency=medium
[ Dimitri John Ledkov ]
* hwdb: Fix wlan/rfkill keycode on Dell systems. (LP: #1762385)
* Cherrypick upstream fix for corrected detection of Virtualbox & Xen.
(LP: #1768104)
* Further improve captive portal workarounds.
Retry any NXDOMAIN results with lower feature levels, instead of just those
with 'secure' in the domain name. (LP: #1766969)
[ Michael Biebl ]
* Add dependencies of libsystemd-shared to Pre-Depends.
This is necessary so systemctl is functional at all times during a
dist-upgrade. (Closes: #897986) (LP: #1771791)
[ Mario Limonciello ]
* Fix hibernate disk offsets.
Configure resume offset via sysfs, to enable resume from a swapfile.
(LP: #1760106)
-- Dimitri John Ledkov 🌈 <x...@ubuntu.com> Fri, 22 Jun 2018 13:55:09
+0100
** Changed in: systemd (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1768104
Title:
systemd sometimes misdetects Xen VMs (fixed up-stream)
Status in systemd package in Ubuntu:
Fix Committed
Status in systemd source package in Bionic:
Fix Released
Status in systemd source package in Cosmic:
Fix Committed
Bug description:
[Impact]
* XEN virtualization missidentified as hyperv
* This may cause units limited to a virtualisation not to be started; or
redundant units for the other type of virtualisation to be started instead.
* Previously xen & hyper-v were detected correctly separately, even when xen
emulates/suggests that it is hyper-v.
[Test Case]
* Execute systemd-detect-virt and check that it detects Xen & Hyperv
[Regression Potential]
* Things that "fake" xen might not work as the detection code
branches are changed, but it would affect previous releases and future
releases of systemd-detect-virt. So far such things are not known to
exist, and if such things appear in the future support for them would
need to land upstream first.
[Other Info]
* Original bug report
Cherrypick
https://github.com/systemd/systemd/commit/f2fe2865cd19cd4318b82d01b9b62d22b1697b3a
It appears that Xen-based VMs sometimes report themselves as Microsoft
Hyper-V via CPUID — apparently this is for compatibility with Windows
guests. systemd 237 (as found in Bionic) gives preference to this
CPUID information when detecting Xen, and thus it erroneously assumes
that the guest is running under Hyper-V. This causes Xen-related
services (and anything else that relies on systemd's VM-detection
functionality) to fail.
I *believe* this is a regression from systemd 229 as used in Xenial —
we have at least a few Xen-based VMs that report as Hyper-V via CPUID
and don't have this issue on that version — but i haven't confirmed
that for certain.
Anyway, i've submitted a ticket with more details to the up-stream
project, and that has now been resolved through a fairly simple change
which applies cleanly to the Bionic systemd sources:
https://github.com/systemd/systemd/issues/8844
Would it be possible to pull this down? As mentioned, Xen-based Ubuntu
VMs can seriously misbehave without it.
Thanks!
See also:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1728573
---
% lsb_release -rd
Description: Ubuntu 18.04 LTS
Release: 18.04
% apt-cache policy systemd
systemd:
Installed: 237-3ubuntu10
Candidate: 237-3ubuntu10
Version table:
*** 237-3ubuntu10 500
500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
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