I have the same problem with a Dell Latitude D620 - it has an integrated BCM4311 wireless card:
/////////////////////////////////////////////////////////////////////////////////////////////// :~$ sudo lspci -v 0c:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) Subsystem: Dell Wireless 1390 WLAN Mini-Card Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at efdfc000 (32-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 2 Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [d0] Express Legacy Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel Kernel driver in use: wl /////////////////////////////////////////////////////////////////////////////////////////////// I now upgraded to Ubuntu 15.10 (32bit) - wireless is not working. When trying to fix the issue it hangs again: /////////////////////////////////////////////////////////////////////////////////////////////// :~$ sudo dpkg --configure -a Setting up bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu7) ... Removing old bcmwl-6.30.223.248+bdcom DKMS files... -------- Uninstall Beginning -------- Module: bcmwl Version: 6.30.223.248+bdcom Kernel: 4.2.0-16-generic (i686) ------------------------------------- Status: Before uninstall, this module version was ACTIVE on this kernel. wl.ko: - Uninstallation - Deleting from: /lib/modules/4.2.0-16-generic/updates/dkms/ - Original module - No original module was found for this module on this kernel. - Use the dkms install command to reinstall any previous module version. depmod.... DKMS: uninstall completed. ------------------------------ Deleting module version: 6.30.223.248+bdcom completely from the DKMS tree. ------------------------------ Done. Loading new bcmwl-6.30.223.248+bdcom DKMS files... Building only for 4.2.0-16-generic Building for architecture i686 Building initial module for 4.2.0-16-generic Done. wl: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/4.2.0-16-generic/updates/dkms/ depmod.... DKMS: install completed. /////////////////////////////////////////////////////////////////////////////////////////////// Here it hangs. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1509222 Title: package bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Killed) Status in bcmwl package in Ubuntu: Confirmed Bug description: Upgrading from 15.04 to 15.10 on an amd64 platform. Installation hanging for ever while configuring bcmwl-kernel-source. Needed to manually kill the bcmwl configuration process to be able to eventually complete the upgrading process. ProblemType: Package DistroRelease: Ubuntu 15.10 Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu7 ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6 Uname: Linux 3.19.0-30-generic x86_64 NonfreeKernelModules: vboxpci vboxnetadp vboxnetflt vboxdrv wl ApportVersion: 2.19.1-0ubuntu3 Architecture: amd64 Date: Fri Oct 23 09:06:39 2015 DuplicateSignature: package:bcmwl-kernel-source:6.30.223.248+bdcom-0ubuntu7:subprocess installed post-installation script was killed by signal (Killed) ErrorMessage: subprocess installed post-installation script was killed by signal (Killed) InstallationDate: Installed on 2015-01-18 (277 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) RelatedPackageVersions: dpkg 1.18.2ubuntu5 apt 1.0.10.2ubuntu1 SourcePackage: bcmwl Title: package bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Killed) UpgradeStatus: Upgraded to wily on 2015-10-23 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1509222/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp