Seems to be working again after a kernel upgrade today. I think the issue was not with Mesa libs but rather the previous kernel image version.
Please close. Thanks! -- 3d rendering performance regression Dapper->Edgy with Radeon 9600 M10 https://launchpad.net/bugs/61607 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs