I am running xubuntu 11.04 beta on a Thinkpad X120e machine, which has a AMD E-350 APU ("Radeon HD 6310" graphics). The machine is running the default xserver-xorg (1:7.6+4ubuntu3) and xserver-xorg-video-radeon (1:6.14.0-0ubuntu4), apart from that I am using a vanilla 2.6.39-rc3 kernel. I am sometimes seeing weird graphics artifacts after bringing the display back from sleep, that look like analog TV and only go away after a reboot of the machine. I have recorded a video of my desktop in such a state: http://www.youtube.com/watch?v=X9POL1XyZos There is no related entries in dmesg when this occurs. I am also not completely sure about the mechanism that makes my screen go off (whether it's DPMS or something else) - but I suspect that it's due to the "Put display to sleep when computer is inactive" and "Switch of display when the computer is inactive" settings in Xfce Power Manager.
Please attach your xorg log and dmesg output.
Created attachment 45975 [details] [review] dmesg of a regular boot
Created attachment 45976 [details] [review] xorg log of a regular boot
Created attachment 45977 [details] lspci
Is there a way to reliably reproduce this? DPMS seems to be working fine on my x120e.
I have not yet found a way to reliably reproduce this issue, but I have hit this already a couple of times with above config.
This also just occurred on 2.6.39-git (with the two Fusion fixes that went in after -rc7) and the current xorg-edgers. http://www.youtube.com/watch?v=J3L9MVlELMU The screen was off, I put my finger on the touchpad and there it was..
This happens to me too on a samsung 305u1a, it's also based on the AMD E-350/radeon HD 6310. One time it happened just after resuming from suspend, another time when I got back to the computer after leaving it on to compile a kernel for a while. It has no such problems when using windows! The OS is ubuntu 11.04 (64bit), kernel 2.6.38, xserver 1.10.1, radeon 6.14.0.
Created attachment 50991 [details] Xorg.0.log when this happened I updated the kernel to 3.1-rc5 and the ati-driver to 6.14.2 but the issue remains. :/
gottfried.haider@gmail.com, Ubuntu 11.04 reached EOL on October 28, 2012. For more on this, please see https://wiki.ubuntu.com/Releases . If this is reproducible in a supported release, it will help immensely if you filed a new report with Ubuntu by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information running the following from a terminal: ubuntu-bug xorg Also, please feel free to subscribe me to it. For more on why this is helpful, please see https://wiki.ubuntu.com/ReportingBugs.
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