Public bug reported:
The KVM flavour kernel is missing NVMe block support. This means one
can't boot the minimal cloud images off an (emulated) nvme drive (as
supported in qemu and other VMMs).
root@ubuntu:~# modprobe nvme
modprobe: FATAL: Module nvme not found in directory /lib/modules/5.15.0-1048-kvm
Seems like CONFIG_BLK_DEV_NVME should be set, compare linux-kvm vs
linux-gcp:
debian.kvm/config/amd64/config.flavour.kvm:
...
#
# NVME Support
#
CONFIG_NVME_CORE=m
# CONFIG_BLK_DEV_NVME is not set
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_FABRICS=m
# CONFIG_NVME_FC is not set
CONFIG_NVME_TCP=m
# CONFIG_NVME_TARGET is not set
# end of NVME Support
...
debian.gcp/config/amd64/config.flavour.gcp:
...
# NVME Support
#
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_FABRICS=m
CONFIG_NVME_RDMA=m
CONFIG_NVME_FC=m
CONFIG_NVME_TCP=m
CONFIG_NVME_TARGET=m
CONFIG_NVME_TARGET_LOOP=m
CONFIG_NVME_TARGET_RDMA=m
CONFIG_NVME_TARGET_FC=m
# CONFIG_NVME_TARGET_FCLOOP is not set
CONFIG_NVME_TARGET_TCP=m
# end of NVME Support
...
root@ubuntu:~# uname -a
Linux ubuntu 5.15.0-1048-kvm #53-Ubuntu SMP Sun Nov 19 15:56:32 UTC 2023 x86_64
x86_64 x86_64 GNU/Linux
root@ubuntu:~# apt-cache policy linux-kvm
linux-kvm:
Installed: 5.15.0.1048.44
Candidate: 5.15.0.1048.44
Version table:
*** 5.15.0.1048.44 100
100 /var/lib/dpkg/status
root@ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
** Affects: linux-kvm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2046981
Title:
kvm kernel missing nvme block support
Status in linux-kvm package in Ubuntu:
New
Bug description:
The KVM flavour kernel is missing NVMe block support. This means one
can't boot the minimal cloud images off an (emulated) nvme drive (as
supported in qemu and other VMMs).
root@ubuntu:~# modprobe nvme
modprobe: FATAL: Module nvme not found in directory
/lib/modules/5.15.0-1048-kvm
Seems like CONFIG_BLK_DEV_NVME should be set, compare linux-kvm vs
linux-gcp:
debian.kvm/config/amd64/config.flavour.kvm:
...
#
# NVME Support
#
CONFIG_NVME_CORE=m
# CONFIG_BLK_DEV_NVME is not set
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_FABRICS=m
# CONFIG_NVME_FC is not set
CONFIG_NVME_TCP=m
# CONFIG_NVME_TARGET is not set
# end of NVME Support
...
debian.gcp/config/amd64/config.flavour.gcp:
...
# NVME Support
#
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_FABRICS=m
CONFIG_NVME_RDMA=m
CONFIG_NVME_FC=m
CONFIG_NVME_TCP=m
CONFIG_NVME_TARGET=m
CONFIG_NVME_TARGET_LOOP=m
CONFIG_NVME_TARGET_RDMA=m
CONFIG_NVME_TARGET_FC=m
# CONFIG_NVME_TARGET_FCLOOP is not set
CONFIG_NVME_TARGET_TCP=m
# end of NVME Support
...
root@ubuntu:~# uname -a
Linux ubuntu 5.15.0-1048-kvm #53-Ubuntu SMP Sun Nov 19 15:56:32 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu:~# apt-cache policy linux-kvm
linux-kvm:
Installed: 5.15.0.1048.44
Candidate: 5.15.0.1048.44
Version table:
*** 5.15.0.1048.44 100
100 /var/lib/dpkg/status
root@ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
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https://bugs.launchpad.net/ubuntu/+source/linux-kvm/+bug/2046981/+subscriptions
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