There are changes in the 3.13 kernel that make Radeon HD 7xxx hardware faster and more stable. Ubuntu 14.04 "Trusty Tahr" currently has the 3.13.0-24.46 kernel. Are you able to test it?
Also, the upstream 3.14 kernel has this commit (which has also been ccd to the stable kernel series) which eliminates the display corruption some people have had with recent kernels: author Alex Deucher committer Alex Deucher commit 6d8ea7de3f5035610f3bfacbe35e7b71ad1e4663 tree 215fe5cacbd723866e8515ae41734d56dc547bd6 parent 78b035101999d8d071781778c019c387dc8bebb2 drm/radeon: fix display tiling setup on SI Apply the same logic as CI to SI for setting up the display tiling parameters. The num banks may vary per tiling index just like CI. Bugs: https://bugs.freedesktop.org/show_bug.cgi?id=71488 https://bugs.freedesktop.org/show_bug.cgi?id=73946 https://bugs.freedesktop.org/show_bug.cgi?id=74927 Signed-off-by: Alex Deucher Cc: stable A PPA of the 3.14.1 kernel is available at http://kernel.ubuntu.com /~kernel-ppa/mainline/ and instructions on how to install and uninstall it are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds Also the upstream 3.15-rc2 kernel will add support for newer memory controller microcode on your Cape Verde XT GPU, which "May fix stability issues". ** Bug watch added: freedesktop.org Bugzilla #71488 https://bugs.freedesktop.org/show_bug.cgi?id=71488 ** Bug watch added: freedesktop.org Bugzilla #73946 https://bugs.freedesktop.org/show_bug.cgi?id=73946 ** Bug watch added: freedesktop.org Bugzilla #74927 https://bugs.freedesktop.org/show_bug.cgi?id=74927 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1286313 Title: Garbled Text Status in “xorg” package in Ubuntu: New Bug description: Please see the attached screenshot. There is a glitch in the small window. Happens everywhere - Firfox etc. Similar to the bug https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1243735 It is indeed very hard to read sometimes with this issue. It goes away however with selection using mouse or clickng on it. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: xorg 1:7.7+1ubuntu6 ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4 Uname: Linux 3.11.0-18-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Fri Feb 28 14:09:21 2014 DistUpgraded: Fresh install DistroCodename: saucy DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde XT [Radeon HD 7770 GHz Edition] [1002:683d] (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:2304] InstallationDate: Installed on 2014-01-08 (50 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. XPS 8500 MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-18-generic root=UUID=00190dd5-dc02-4fe9-92ff-0581caddd1fd ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/05/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A09 dmi.board.name: 0YJPT1 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA09:bd09/05/2012:svnDellInc.:pnXPS8500:pvr:rvnDellInc.:rn0YJPT1:rvrA00:cvnDellInc.:ct3:cvr: dmi.product.name: XPS 8500 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.46-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2~saucy1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2.1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 xserver.bootTime: Fri Feb 28 12:55:54 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input DELL DELL USB Laser Mouse MOUSE, id 8 input DELL Dell USB Wired Multimedia Keyboard KEYBOARD, id 9 input DELL Dell USB Wired Multimedia Keyboard KEYBOARD, id 10 xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.14.5-1ubuntu2~saucy1 xserver.video_driver: radeon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1286313/+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
