Verified on 22.04 using util-linux=2.37.2-4ubuntu3.2
$ apt policy util-linux
util-linux:
Installed: 2.37.2-4ubuntu3.2
Candidate: 2.37.2-4ubuntu3.2
Version table:
*** 2.37.2-4ubuntu3.2 500
500 http://ports.ubuntu.com/ubuntu-ports jammy-proposed/main arm64
Packages
100 /var/lib/dpkg/status
2.37.2-4ubuntu3 500
500 http://ports.ubuntu.com/ubuntu-ports jammy/main arm64 Packages
$ lscpu | head -n10
Architecture: aarch64
CPU op-mode(s): 64-bit
Byte Order: Little Endian
CPU(s): 288
On-line CPU(s) list: 0-287
Vendor ID: ARM
Model name: Neoverse-V2
Model: 0
Thread(s) per core: 1
Core(s) per socket: 72
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Touch seeded packages, which is subscribed to util-linux in Ubuntu.
https://bugs.launchpad.net/bugs/2019856
Title:
Add missing ARM-cores to support Grace-based systems
Status in util-linux package in Ubuntu:
Fix Released
Status in util-linux source package in Jammy:
Fix Committed
Status in util-linux source package in Kinetic:
Won't Fix
Status in util-linux source package in Lunar:
Won't Fix
Status in util-linux source package in Mantic:
Fix Released
Bug description:
[Impact]
When running "lscpu" on a Grace-based system + Ubuntu 22.04, it
doesn't report a model name:
Vendor ID: ARM
Model: 0
[Fix]
Adding the additional arm_part to sys-utils/lscpu-arm.c solves the
problem. The commit below adds the specific codes missing from Jammy's
version.
https://github.com/util-linux/util-
linux/commit/6857cccbb4157d5da34ca98f77a0ac9d68e1e740
[Test Steps]
* Verify whether output of lscpu is correct on new CPUs; eg:
Vendor ID: ARM
Model name: Neoverse-V2
* Verify whether output of lscpu doesn't change on old CPUs; eg:
Vendor ID: ARM
Model name: Neoverse-N1
[What Could Go Wrong]
The fix only introduces additional model identifiers to match
against and print a model name string, thus regression impact
should be contained within lscpu and printing cpus model name
on ARM systems.
Output doesn't change on systems with non-affected CPU models.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/2019856/+subscriptions
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