Public bug reported:
Issue is related to Bug #2051560
In using tuned profile realtime-virtual-host under the realtime kernel, the
operating system would lose network connection. Further viewing of the tuned
logs pointed to the following error:
ERROR tuned.units.manager: WARNING: python perf module not found for
kernel 6.8.1-1011-realtime
Researching online Bug #2051560 was discovered. However, it looks as if
the realtime kernel was not listed as fixed to include the perf Python
module that affects tuned.
Server info:
uname -a:
Linux 6.8.1-1011-realtime #11-Ubuntu SMP PREEMPT_RT Tue Oct 8 17:19:16 UTC 2024
x86_64 x86_64 x86_64 GNU/Linux
-----------------------
lsb_release -crid:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04.1 LTS
Release: 24.04
Codename: noble
-----------------------
apt policy linux-image-6.8.1-1011-realtime:
linux-image-6.8.1-1011-realtime:
Installed: 6.8.1-1011.11
Candidate: 6.8.1-1011.11
Version table:
*** 6.8.1-1011.11 500
500 https://esm.ubuntu.com/realtime/ubuntu noble/main amd64 Packages
100 /var/lib/dpkg/status
-----------------------
Realtime kernel was installed via Ubuntu Pro subscription.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel-bug
** Attachment added: "version.log"
https://bugs.launchpad.net/bugs/2089411/+attachment/5839539/+files/version.log
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https://bugs.launchpad.net/bugs/2089411
Title:
python perf module missing in realtime kernel
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