Moving the ast kernel module from one system do another doesn’t do anything, but switching between 4. We have tried several “desktop” distributions: We noticed the issue first starts with Ubuntu Hi madbiologist, Thank you very much for your reply. See full activity log.
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To be filled by O. This helps, but doesn’t completely solve the slow video rendering and tearing. Our issue is that the video output is very very slow at updating.
Aspeed AST with 16MB VRAM
Comment on this change optional. Email me about changes to this bug report. 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 firmware. I use netboot to install Ubuntu They found the “modesetting” drm driver loaded and the xorg-server running will cause segmentation fault which is logged in Xorg.
Even the TTY framebuffer console can be slow at rendering. As well as several versions of Ubuntu.
We noticed the issue first starts with Ubuntu Launchpad Janitor janitor wrote on There are two possible fixes we found, but they may just be covering up the issue rather than fixing it:. Similarly, the login screens respond very slowly to keyboard input and mouse lags and jumps around. But they have no idea for this segmentation fault.
We have narrowed the issue down to specifically to Linux Kernel version 4. The system is running in low-graphics mode Ubuntu This seems to fix the slow graphics issue on the desktop, but does not help with the slow rendering on the login screen. The AST is a server graphics chip. Moving the ast kernel module from one system do another doesn’t do anything, but switching between 4.
Changed in xorg Ubuntu: We have tried several “desktop” distributions: How can I fix this issue? They provide me a xorg. You are not directly subscribed to this bug’s notifications.
CONFIG_VIDEO_ASPEED: Aspeed AST2400 and AST2500 Video Engine driver
Wed Sep 14 Also still see ‘Failed to load module “ast” module does not exist, 0 ‘ in Xorg. Is this a server? OK, this asf2400 not good: Running Kernel version 4. Thu Sep 8 Failed to load module “ast” module does not exist, 0 Failed to load module “ast” module does not exist, 0.
ASPEED AST2400 IPMI Chip with ATEN-Software
Also, it is not permanent. See full activity log. We open a window or click a menu and we can see each line of the display being drawn very slowly.