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
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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
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