Public bug reported:
I recently ran some upgrades and pulled in linux-image-6.8.0-85-generic
and then rebooted. My server became unreachable.
I had to get it working again via the web console (Fasthosts VPS) so was
limited by what I could do. From my brief messing I discovered that:
- My network doesn't seem to work. ens6 is missing though a NIC is listed with
lspci.
- A virtual nic is renamed to eth0 for no obvious reason.
- None of this has been saved in my syslog!
Reverting back to -71 got everything working again:
virtio_net virtio2 ens6: renamed from eth0
I couldn't see anything in dmesg about a driver failing, and have zero
idea where to start with this, but it is pretty clear that the updated
kernel is the issue.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-85-generic 6.8.0-85.85
ProcVersionSignature: Ubuntu 6.8.0-85.85-generic 6.8.12
Uname: Linux 6.8.0-85-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Oct 1 22:56 seq
crw-rw---- 1 root audio 116, 33 Oct 1 22:56 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
CloudArchitecture: x86_64
CloudBuildName: server
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSerial: 20240423
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
Date: Wed Oct 1 22:57:35 2025
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU Tablet
Lsusb-t:
/: Bus 001.Port 001: Dev 001, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 001: Dev 002, If 0, Class=Human Interface Device, Driver=[none],
12M
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
PciMultimedia:
ProcEnviron:
LANG=en_GB.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=linux
XDG_RUNTIME_DIR=<set>
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-85-generic
root=UUID=fd25e93f-2da4-4b1d-960a-1e94170c0d76 ro console=ttyS0
RelatedPackageVersions:
linux-restricted-modules-6.8.0-85-generic N/A
linux-backports-modules-6.8.0-85-generic N/A
linux-firmware N/A
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: 1.14.0-2
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-6.1
dmi.modalias:
dmi:bvnSeaBIOS:bvr1.14.0-2:bd04/01/2014:br0.0:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-6.1:cvnQEMU:ct1:cvrpc-i440fx-6.1:sku:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-6.1
dmi.sys.vendor: QEMU
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cloud-image noble
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https://bugs.launchpad.net/bugs/2126607
Title:
Linux 6.8.0-85 makes my server unreachable
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