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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1763967
Title:
rmmod b43 hangs
Status in linux package in Ubuntu:
Confirmed
Bug description:
I'm running Ubuntu on a Dell Inspiron 6400 with a 14e4:4328 "Dell
Wireless 1500 Draft 802.11n WLAN Mini-Card". Running "rmmod b43"
always hangs. So far I have only tried it while connected to a
wireless network. I immediately disconnect from the wireless network,
so it seems module removal does begin. But the rmmod process never
finishes and is unkillable. The hang seems indefinite, and a normal
reboot is not possible, the rapid ctrl-alt-del systemd emergency
reboot is impossible, and only a Magic SysRq reboot works.
This worked in Ubuntu 17.10, but always fails in Ubuntu 18.04.
(I was unloading the module before suspend due to occasional problems
after resume. I tracked this down when wondering why suspend was
hanging. Even running the "rmmod b43" on its own without suspend
happening causes the hang. Right now I disabled that automatic
unloading.)
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-13-generic 4.15.0-13.14
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.15.0-13-generic.
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC9200 Analog [STAC9200 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: bgjenero 1560 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xefffc000 irq 24'
Mixer name : 'SigmaTel STAC9200'
Components : 'HDA:83847690,102801bd,00102201
HDA:14f12bfa,14f100c3,00090000'
Controls : 22
Simple ctrls : 9
CurrentDesktop: XFCE
Date: Sat Apr 14 11:54:36 2018
HibernationDevice: RESUME=UUID=46f322d9-a161-4e1f-8a08-432d79aeac18
InstallationDate: Installed on 2012-01-19 (2277 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Inc. MM061
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic
root=UUID=54eeb2ee-ee10-4c6b-9c61-1b790e52fd1e ro resume=/dev/sda6 nopti
RelatedPackageVersions:
linux-restricted-modules-4.15.0-13-generic N/A
linux-backports-modules-4.15.0-13-generic N/A
linux-firmware 1.173
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-03-11 (34 days ago)
dmi.bios.date: 06/13/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A17
dmi.board.name: 0XD720
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA17:bd06/13/2007:svnDellInc.:pnMM061:pvr:rvnDellInc.:rn0XD720:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: MM061
dmi.sys.vendor: Dell Inc.
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