Public bug reported:
Upon updating a 24.04 Server system (In KVM) to 6.8.0-117-generic and
rebooting, ceph mounts failed due to the ceph module not loading. The
actual error appears to be with loading netfs:
root@wwwtest-154-2404:~# uname -r
6.8.0-117-generic
root@wwwtest-154-2404:~# modprobe -vv netfs
modprobe: INFO: ../libkmod/libkmod.c:405 kmod_set_log_fn() custom logging
function 0x603221125230 registered
insmod /lib/modules/6.8.0-117-generic/kernel/fs/netfs/netfs.ko.zst
modprobe: INFO: ../libkmod/libkmod-module.c:985 kmod_module_insert_module()
Failed to insert module
'/lib/modules/6.8.0-117-generic/kernel/fs/netfs/netfs.ko.zst': Exec format error
modprobe: ERROR: could not insert 'netfs': Exec format error
modprobe: INFO: ../libkmod/libkmod.c:372 kmod_unref() context 0x60325ed36410
released
Upon reverting to kernel -111, it works:
root@wwwtest-154-2404:~# uname -r
6.8.0-111-generic
root@wwwtest-154-2404:~# modprobe -vv ceph
modprobe: INFO: ../libkmod/libkmod.c:405 kmod_set_log_fn() custom logging
function 0x60572d1a1230 registered
insmod /lib/modules/6.8.0-111-generic/kernel/fs/netfs/netfs.ko.zst
insmod /lib/modules/6.8.0-111-generic/kernel/net/ceph/libceph.ko.zst
insmod /lib/modules/6.8.0-111-generic/kernel/fs/ceph/ceph.ko.zst
modprobe: INFO: ../libkmod/libkmod.c:372 kmod_unref() context 0x60573a975410
released
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-117-generic 6.8.0-117.117
ProcVersionSignature: Ubuntu 6.8.0-117.117-generic 6.8.12
Uname: Linux 6.8.0-117-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 May 28 16:07 seq
crw-rw---- 1 root audio 116, 33 May 28 16:07 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: N/A
CasperMD5CheckResult: unknown
Date: Thu May 28 16:20:47 2026
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
Lsusb-t:
Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1:
MachineType: QEMU Ubuntu 24.04 PC (Q35 + ICH9, 2009)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-117-generic
root=UUID=9865947b-5cb9-4b2a-8bc8-56ad0f59b1b6 ro
ProcModules:
RelatedPackageVersions:
linux-restricted-modules-6.8.0-117-generic N/A
linux-backports-modules-6.8.0-117-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.release: 0.0
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.16.3-debian-1.16.3-2
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-q35-noble
dmi.modalias:
dmi:bvnSeaBIOS:bvr1.16.3-debian-1.16.3-2:bd04/01/2014:br0.0:svnQEMU:pnUbuntu24.04PC(Q35+ICH9,2009):pvrpc-q35-noble:cvnQEMU:ct1:cvrpc-q35-noble:sku:
dmi.product.name: Ubuntu 24.04 PC (Q35 + ICH9, 2009)
dmi.product.version: pc-q35-noble
dmi.sys.vendor: QEMU
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble third-party-packages
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https://bugs.launchpad.net/bugs/2154509
Title:
On linux-6.8.0-117-generic, "modprobe netfs" fails
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