Verified with 12.04.4 (3.11.0-19) on 201206-11156 This system is affected by this bug as well.
** Description changed: - CID: 201107-8258 Lenovo ThinkPad Edge E525 + CID: 201107-8258 Lenovo ThinkPad Edge E525 - AMD Radeon 6480G[1002:9648] + CID: 201206-11156 HP HP Pavilion 20 - AMD Radeon HD 7340 [1002:9808] - With the open-source radeon driver, there is no display after resume from suspend. - But the system still working, I could open a terminal and reboot the laptop with sudo reboot. + With the open-source radeon driver on these two systems, there is no display after resume from suspend. + But the system still working, I could open a terminal and reboot the laptop with sudo reboot or ssh into it. There is no such problem with proprietary drivers + + Steps: + 1. Install 12.04.4, boot to desktop + 2. Suspend this system + 3. Wake it up by pressing the power button + + Expected result: + * Display should work after S3 + + Actual result: + * No display after S3, but you coud still ssh into this system Radeon driver version: ubuntu@201107-8258:~$ dpkg -l | grep radeon ii libdrm-radeon1 2.4.43-0ubuntu0.0.2 Userspace interface to radeon-specific kernel DRM services -- runtime ii radeontool 1.6.2-1.1 utility to control ATI Radeon backlight functions on laptops ii xserver-xorg-video-radeon-lts-raring 1:7.1.0-0ubuntu2~precise1 X.Org X server -- AMD/ATI Radeon display driver + + WORKAROUND: + * Install the proprietary AMD driver. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xserver-xorg-video-radeon-lts-raring 1:7.1.0-0ubuntu2~precise1 ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5 Uname: Linux 3.8.0-29-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.5 Architecture: amd64 Date: Wed Oct 23 05:27:06 2013 InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xserver-xorg-video-ati-lts-raring UpgradeStatus: No upgrade log present (probably fresh install) ** Tags added: 201206-11156 ** Changed in: xserver-xorg-video-ati-lts-raring (Ubuntu) Importance: Medium => Low ** Changed in: xserver-xorg-video-ati-lts-saucy (Ubuntu) Importance: Medium => Low ** Summary changed: - AMD Radeon 6480G[1002:9648] No display after resume from suspend with radeon driver + AMD Radeon 6480G[1002:9648] / Radeon HD 7340 [1002:9808] No display after resume from suspend with radeon driver -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati-lts-raring in Ubuntu. https://bugs.launchpad.net/bugs/1243621 Title: AMD Radeon 6480G[1002:9648] / Radeon HD 7340 [1002:9808] No display after resume from suspend with radeon driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati-lts-raring/+bug/1243621/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp