We open a window or click a menu and we can see each line of the display being drawn very slowly. Is this a server? Also still see ‘Failed to load module “ast” module does not exist, 0 ‘ in Xorg. Other bug subscribers Subscribe someone else. We have tried several “desktop” distributions: There are two possible fixes we found, but they may just be covering up the issue rather than fixing it:. No upgrade log present probably fresh install dmi.
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OK, this is not good: They found the “modesetting” drm driver loaded and the xorg-server running will cause segmentation fault which is logged in Xorg. Also, it is not permanent. Running Kernel version 4.
See full activity log. Comment on this change optional. To post a comment you must log in. Also still see ‘Failed to load module “ast” module does not exist, 0 ‘ in Xorg.
Changed in xorg Ubuntu: Status changed to ‘Confirmed’ because the bug affects multiple users. Even the TTY framebuffer console can be slow at rendering.
Email me about changes to this bug report. Ubuntu, Aspeeed, Xubuntu, Lubuntu, and Debian.
This seems to fix the slow graphics issue on the aspefd, but does not help with the slow rendering on the login screen. Is this a server? Launchpad Janitor janitor wrote on We noticed the issue first starts with Ubuntu Other bug subscribers Subscribe someone else. This helps, but doesn’t completely solve the slow video rendering and tearing. If so, I wouldn’t worry about it running in low graphics mode. As well as several versions of Ubuntu.
Debian is also using a newer kernel which has problems with this aspeed chip.
Apparently the AST driver is hardcoded to look for it’s adt2400. They provide me a xorg. From what we can tell, the “ast” video driver is being used. You need to log in to change this bug’s status.
Wed Sep 14 Our issue is that the video output is very very slow at updating. You are not directly subscribed to this bug’s notifications. Thank you very much for your reply. Moving the ast kernel module from one system do another doesn’t do anything, but switching between 4.
Support for ASPEED AST/AST PWM and Fan Tach driver 
We open a window or click a menu and we can see each line of the display being drawn very slowly. But they have no idea for this segmentation fault.
This bug affects 4 people. We have narrowed the issue down to specifically to Linux Kernel version 4.