Public bug reported:
I have the following network card:
*-network
description: Wireless interface
product: QCA9565 / AR9565 Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 01
serial: f0:03:8c:2c:95:95
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom ethernet
physical wireless
configuration: broadcast=yes driver=ath9k driverversion=4.8.0-41-generic
firmware=N/A ip=192.168.0.21 latency=0 link=yes multicast=yes wireless=IEEE
802.11
resources: irq:19 memory:f7100000-f717ffff memory:f7180000-f718ffff
It worked fine before the upgrade, and still works fine if I boot on
version 4.8.0-41, but the card is not supported on Linux 4.8.0-44 and
-45. It doesn't even appear in `ifconfig -a`.
Indeed:
root@Alfred:~# dpkg --listfiles linux-image-4.8.0-41-generic | grep realtek
/lib/modules/4.8.0-41-generic/kernel/drivers/net/ethernet/realtek
/lib/modules/4.8.0-41-generic/kernel/drivers/net/ethernet/realtek/8139cp.ko
/lib/modules/4.8.0-41-generic/kernel/drivers/net/ethernet/realtek/8139too.ko
root@Alfred:~# dpkg --listfiles linux-image-4.8.0-44-generic | grep realtek
root@Alfred:~# dpkg --listfiles linux-image-4.8.0-45-generic | grep realtek
This is really bad for users: a minor upgrade breaks the network, and
once the network is broken it's very hard to get the next upgrade hence
for most beginners this breaks their Ubuntu install permanently.
Note that I'm sending this report from version -41 which doesn't have
the breakage for obvious reasons.
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-generic (not installed)
ProcVersionSignature: Ubuntu 4.8.0-41.44~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-41-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: zoe 1599 F.... pulseaudio
/dev/snd/controlC0: zoe 1599 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Mar 31 22:07:51 2017
HibernationDevice: RESUME=UUID=beddfba1-10dc-4af2-a590-37c28ea5ba0b
InstallationDate: Installed on 2017-03-08 (23 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
Lsusb:
Bus 001 Device 002: ID 8087:8001 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 04f2:b483 Chicony Electronics Co., Ltd
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. X302LJ
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-41-generic.efi.signed
root=UUID=15226bb1-237d-403c-87fd-bc32df0bf894 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-41-generic N/A
linux-backports-modules-4.8.0-41-generic N/A
linux-firmware 1.157.8
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/02/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X302LJ.206
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X302LJ
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX302LJ.206:bd03/02/2016:svnASUSTeKCOMPUTERINC.:pnX302LJ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX302LJ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X302LJ
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1678309
Title:
Driver for realtek card missing from 4.8.0-44, was present in 4.8.0-41
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