Just chiming in to say this is affecting us on 22.04 kernels from
5.15.0-94-generic on. It's causing Veeam's veeamsnap module to not
compile any more.
/var/lib/dkms/veeamsnap/5.0.2.4567/build/snapimage.c: In function
‘snapimage_create’:
/var/lib/dkms/veeamsnap/5.0.2.4567/build/snapimage.c:923:24: error:
‘GENHD_FL_NO_PART_SCAN’ undeclared (first use in this function); did you mean
‘GENHD_FL_NO_PART’?
923 | disk->flags |= GENHD_FL_NO_PART_SCAN;
| ^~~~~~~~~~~~~~~~~~~~~
| GENHD_FL_NO_PART
/var/lib/dkms/veeamsnap/5.0.2.4567/build/snapimage.c:923:24: note: each
undeclared identifier is reported only once for each function it appears in
We have raised with the vendor (Veeam) but also surprised this change
made it into a stable kernel series.
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https://bugs.launchpad.net/bugs/2053101
Title:
Backported rename of GENHD_FL_NO_PART_SCAN to GENHD_FL_NO_PART breaks
existing modules
Status in linux-signed-gcp-5.15 package in Ubuntu:
Confirmed
Bug description:
3rd party kernel modules for Ubuntu 20.04 break due to the recently
backported change of renaming GENHD_FL_NO_PART_SCAN to
GENHD_FL_NO_PART
linux-gcp-5.15-headers-5.15.0-1049 still uses GENHD_FL_NO_PART_SCAN
which the 3rd party kernel modules use, while linux-
gcp-5.15-headers-5.15.0-1051 has brought the rename to
GENHD_FL_NO_PART in. This is a breaking change and should not have
been backported. The 3rd party modules have been updated for newer
kernels on 22.04, but can't be updated on 20.04 with this breaking
change.
$ grep GENHD_FL_NO_PART
/usr/src/linux-gcp-5.15-headers-5.15.0-1049/include/linux/genhd.h
/usr/src/linux-gcp-5.15-headers-5.15.0-1051/include/linux/genhd.h
/usr/src/linux-gcp-5.15-headers-5.15.0-1049/include/linux/genhd.h: *
``GENHD_FL_NO_PART_SCAN`` (0x0200): partition scanning is disabled.
/usr/src/linux-gcp-5.15-headers-5.15.0-1049/include/linux/genhd.h: *
``GENHD_FL_NO_PART_SCAN``.
/usr/src/linux-gcp-5.15-headers-5.15.0-1049/include/linux/genhd.h:#define
GENHD_FL_NO_PART_SCAN 0x0200
/usr/src/linux-gcp-5.15-headers-5.15.0-1049/include/linux/genhd.h:
!(disk->flags & GENHD_FL_NO_PART_SCAN);
/usr/src/linux-gcp-5.15-headers-5.15.0-1051/include/linux/genhd.h: *
``GENHD_FL_NO_PART`` (0x0200): partition support is disabled.
/usr/src/linux-gcp-5.15-headers-5.15.0-1051/include/linux/genhd.h: *
``GENHD_FL_NO_PART``.
/usr/src/linux-gcp-5.15-headers-5.15.0-1051/include/linux/genhd.h:#define
GENHD_FL_NO_PART 0x0200
/usr/src/linux-gcp-5.15-headers-5.15.0-1051/include/linux/genhd.h:
return disk_max_parts(disk) > 1 && !(disk->flags & GENHD_FL_NO_PART);
$ lsb_release -rd
Description: Ubuntu 20.04.6 LTS
Release: 20.04
$ apt policy linux-image-5.15.0-1051-gcp
linux-image-5.15.0-1051-gcp:
Installed: 5.15.0-1051.59~20.04.1
Candidate: 5.15.0-1051.59~20.04.1
Version table:
*** 5.15.0-1051.59~20.04.1 500
500 http://australia-southeast1.gce.archive.ubuntu.com/ubuntu
focal-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu focal-security/main amd64
Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.15.0-1051-gcp 5.15.0-1051.59~20.04.1
ProcVersionSignature: Ubuntu 5.15.0-1051.59~20.04.1-gcp 5.15.136
Uname: Linux 5.15.0-1051-gcp x86_64
ApportVersion: 2.20.11-0ubuntu27.27
Architecture: amd64
CasperMD5CheckResult: skip
Date: Wed Feb 14 12:07:11 2024
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-gcp-5.15
UpgradeStatus: Upgraded to focal on 2023-05-07 (282 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-signed-gcp-5.15/+bug/2053101/+subscriptions
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