I had the same problem with a clean 14.04 installation. However, I changed my drivers from the open source (xserver-xorg-video-ati) to the propietary driver (fglrx-updates), and the hot corners seem to work everytime I reboot. I have a HD Radeon 7670M graphics card.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity in Ubuntu. https://bugs.launchpad.net/bugs/1305438 Title: hot corners stop working time to time Status in compiz package in Ubuntu: Confirmed Status in unity package in Ubuntu: Invalid Bug description: After upgrading to ubuntu 14.04, time to time hot corners stop working. I have to disable and enable again from unity tweak tool to make it working again. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: compiz-core 1:0.9.11+14.04.20140408-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8 Uname: Linux 3.13.0-23-generic x86_64 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu1 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Thu Apr 10 11:38:48 2014 DistUpgraded: 2014-04-07 11:18:00,385 DEBUG failed to SystemUnLock() (E:Not locked) DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: bcmwl, 6.30.223.141+bdcom, 3.13.0-23-generic, x86_64: installed virtualbox, 4.3.10, 3.13.0-23-generic, x86_64: installed ExecutablePath: /usr/bin/compiz GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:0434] Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0c45:6461 Microdia Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Inspiron 1464 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-23-generic root=UUID=63447271-280d-41b9-8d35-1670541ea71c ro quiet splash vt.handoff=7 SourcePackage: compiz UpgradeStatus: Upgraded to trusty on 2014-04-07 (3 days ago) dmi.bios.date: 03/29/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A13 dmi.board.name: 0C6HFD dmi.board.vendor: Dell Inc. dmi.board.version: A13 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A13 dmi.modalias: dmi:bvnDellInc.:bvrA13:bd03/29/2011:svnDellInc.:pnInspiron1464:pvrA13:rvnDellInc.:rn0C6HFD:rvrA13:cvnDellInc.:ct8:cvrA13: dmi.product.name: Inspiron 1464 dmi.product.version: A13 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.11+14.04.20140408-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Thu Apr 10 11:32:23 2014 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 4156 vendor AUO xserver.version: 2:1.15.0-1ubuntu7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1305438/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
