Public bug reported:

The system hangs with Linux 5.15.0-100 and 6.5.0-25 upon accessing this
Ethernet controller:

$ lspci -nn
...
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) 
I219-LM [8086:15d7] (rev 21)


Commands that deal with the network hang forever, e.g. "ip link". The machine 
must be hard-rebooted (magic sysrq) because systemd also hangs during reboot.

Previous versions work perfectly fine (5.15.0-97 and 6.5.0-21). The
issue is specific to the integrated network controller, because it goes
away when the Ethernet controller is disabled in the BIOS.

Attached is an extract of the kernel logs under the problematic kernel.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-100-generic 5.15.0-100.110
ProcVersionSignature: Ubuntu 5.15.0-97.107-generic 5.15.136
Uname: Linux 5.15.0-97-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k5.15.0-97-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  yl243478   3612 F.... pulseaudio
CRDA: N/A
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckMismatches: ./boot.catalog
CasperMD5CheckResult: fail
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 15 16:48:19 2024
InstallationDate: Installed on 2022-11-10 (491 days ago)
InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 
(20220421)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
 Bus 001 Device 002: ID 0c45:6717 Microdia Integrated_Webcam_HD
 Bus 001 Device 004: ID 0a5c:5832 Broadcom Corp. 5880
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Latitude 7490
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-97-generic 
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro ipv6.disable=1 quiet splash
RelatedPackageVersions:
 linux-restricted-modules-5.15.0-97-generic N/A
 linux-backports-modules-5.15.0-97-generic  N/A
 linux-firmware                             20220329.git681281e4-0ubuntu3.26
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/13/2023
dmi.bios.release: 1.36
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.36.0
dmi.board.name: 0YM3X5
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.36.0:bd12/13/2023:br1.36:svnDellInc.:pnLatitude7490:pvr:rvnDellInc.:rn0YM3X5:rvrA01:cvnDellInc.:ct10:cvr:sku081C:
dmi.product.family: Latitude
dmi.product.name: Latitude 7490
dmi.product.sku: 081C
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy uec-images

** Attachment added: "Kernel logs under the problematic kernel"
   
https://bugs.launchpad.net/bugs/2058047/+attachment/5756248/+files/2024-03-13_network_bug.txt

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https://bugs.launchpad.net/bugs/2058047

Title:
  Versions 5.15.0-100 and 6.5.0-25 of the kernel hang upon accessing the
  Intel Ethernet controller (4) I219-LM [8086:15d7] (rev 21)

Status in linux package in Ubuntu:
  New

Bug description:
  The system hangs with Linux 5.15.0-100 and 6.5.0-25 upon accessing
  this Ethernet controller:

  $ lspci -nn
  ...
  00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) 
I219-LM [8086:15d7] (rev 21)

  
  Commands that deal with the network hang forever, e.g. "ip link". The machine 
must be hard-rebooted (magic sysrq) because systemd also hangs during reboot.

  Previous versions work perfectly fine (5.15.0-97 and 6.5.0-21). The
  issue is specific to the integrated network controller, because it
  goes away when the Ethernet controller is disabled in the BIOS.

  Attached is an extract of the kernel logs under the problematic
  kernel.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-100-generic 5.15.0-100.110
  ProcVersionSignature: Ubuntu 5.15.0-97.107-generic 5.15.136
  Uname: Linux 5.15.0-97-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k5.15.0-97-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  yl243478   3612 F.... pulseaudio
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckMismatches: ./boot.catalog
  CasperMD5CheckResult: fail
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 15 16:48:19 2024
  InstallationDate: Installed on 2022-11-10 (491 days ago)
  InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 
(20220421)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
   Bus 001 Device 002: ID 0c45:6717 Microdia Integrated_Webcam_HD
   Bus 001 Device 004: ID 0a5c:5832 Broadcom Corp. 5880
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. Latitude 7490
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-97-generic 
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro ipv6.disable=1 quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-5.15.0-97-generic N/A
   linux-backports-modules-5.15.0-97-generic  N/A
   linux-firmware                             20220329.git681281e4-0ubuntu3.26
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/13/2023
  dmi.bios.release: 1.36
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.36.0
  dmi.board.name: 0YM3X5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.36.0:bd12/13/2023:br1.36:svnDellInc.:pnLatitude7490:pvr:rvnDellInc.:rn0YM3X5:rvrA01:cvnDellInc.:ct10:cvr:sku081C:
  dmi.product.family: Latitude
  dmi.product.name: Latitude 7490
  dmi.product.sku: 081C
  dmi.sys.vendor: Dell Inc.

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