Note that your dmesg is full of the following kernel warnings: [ 58.456045] WARNING: CPU: 0 PID: 897 at /home/kernel/COD/linux/drivers/gpu/drm/drm_irq.c:1268 drm_wait_one_vblank+0x1b5/0x1c0 [drm]() [ 58.456046] vblank wait timed out on crtc 0
This may or may not indicate a hardware problem or a problem with the kernel you're using (which happens to not be the standard Ubuntu kernel). -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1556726 Title: firefox freezes and blocks the whole laptop when using ubuntu 14.04 LTS on HP compaq 6910 laptop Status in firefox package in Ubuntu: New Bug description: have to restart the laptop every time it freezes ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: firefox 45.0+build2-0ubuntu0.14.04.1 Uname: Linux 4.4.2-040402-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: hp 2096 F...m pulseaudio /dev/snd/controlC0: hp 2096 F.... pulseaudio BuildID: 20160304114926 Channel: Unavailable CurrentDesktop: Unity Date: Sun Mar 13 22:18:56 2016 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2015-02-11 (396 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IpRoute: default via 190.37.64.1 dev eth0 proto static 190.37.64.0/19 dev eth0 proto kernel scope link src 190.37.70.134 metric 1 Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-68ef1555-c505-4b3b-b274-1ba342160313 PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=45.0/20160304114926 (In use) RelatedPackageVersions: totem-mozilla 3.10.1-1ubuntu4 rhythmbox-mozilla 3.0.2-0ubuntu2 adobe-flashplugin 1:20160310.1-0ubuntu0.14.04.1 RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-68ef1555-c505-4b3b-b274-1ba342160313 Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/29/2007 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68MCU Ver. F.09 dmi.board.name: 30BE dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 68.32 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68MCUVer.F.09:bd08/29/2007:svnHewlett-Packard:pn:pvrF.09:rvnHewlett-Packard:rn30BE:rvrKBCVersion68.32:cvnHewlett-Packard:ct10:cvr: dmi.product.version: F.09 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1556726/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

