Firefox still doesn't use SHM for uploading video data to the X-Server, instead they pump all the data through unix domain sockets even for the local case. At xlib/xcb's default buffer size of 16kb this of course results in context switch storms.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/587636 Title: [need 6.13.2] Xorg 100% CPU usage with HTML5 video in Firefox [Radeon KMS] To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/587636/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
