I didn't experience anything just the popup window that opened this bug report.
Recently I installed the the deb file fixing another bug (https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1595765/comments/5). That may be related.
ProblemType: KernelOops
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-36-generic 4.4.0-36.55
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
NonfreeKernelModules: wl
Annotation: This occurred during a previous hibernation, and prevented the system from resuming properly. The resume processing hung very near the end and will have appeared to have completed normally.
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ata 4390 F.... pulseaudio
Date: Thu Sep 15 18:24:22 2016
DuplicateSignature: late resume:Hewlett-Packard HP ProBook 6470b:68ICE Ver. F.61
ExecutablePath: /usr/share/apport/apportcheckresume
Failure: late resume
HibernationDevice: RESUME=UUID=5ccd986b-e478-4ced-b4d7-6b034e2ae500
InstallationDate: Installed on 2014-12-04 (651 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
InterpreterPath: /usr/bin/python3.5
MachineType: Hewlett-Packard HP ProBook 6470b
ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic root=UUID=a65b2c0c-545b-4b5e-90fa-f32a8319282a ro quiet splash acpi_backlight=vendor vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-36-generic N/A
linux-backports-modules-4.4.0-36-generic N/A
linux-firmware 1.157.3
SourcePackage: linux
Title: [Hewlett-Packard HP ProBook 6470b] late resume failure [non-free: wl]
UpgradeStatus: Upgraded to xenial on 2016-07-26 (51 days ago)
UserGroups:
dmi.bios.date: 01/21/2015
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68ICE Ver. F.61
dmi.board.name: 179C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 42.38
dmi.chassis.asset.tag: 6470b
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68ICEVer.F.61:bd01/21/2015:svnHewlett-Packard:pnHPProBook6470b:pvrA1029C1102:rvnHewlett-Packard:rn179C:rvrKBCVersion42.38:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 6470b
dmi.product.version: A1029C1102
dmi.sys.vendor: Hewlett-Packard
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