Another finding is that whoever rendering eats up all the CPU of one core When Xorg is rendering, %CPU of Xorg is close to 100% When tmux is rendering, %CPU of tmux is close to 100%
Is there a way to dump out the stack to see what's wrong? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/1550910 Title: fglrx renders extremely slow in latest kernels Status in fglrx-installer package in Ubuntu: New Bug description: I am using latest development version of xenial (ubuntu 16.04). My video card is AMD HD7950, and I use an MiniDP-to-DP line to connect it with an Acer XB240H display. With fglrx or fglrx-updates installed, everything renders extremely slow, even raw terminal renders like 100 lines per second. Workarounds failed: * AMD official driver failed to build due to bug #1502978. * The open source driver can only provide 1024x768 resolution. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1550910/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
