Well, sort of. I rebuilt the package after adding "CFLAGS += -fno- strict-aliasing" to the Makefile in $(srcdir)/src/mesa/drivers/dri/i965, installed and restarted X. Afterwards, those "i915_dispatch_cmdbuffer failed" messages are gone, and both glxgears and GL screensavers finally run.
However, it doesn't seem terribly hardware accelerated. CPU utilization is up to ca. 15% just running glxgears, and there are still those "libGL warning: 3D driver claims to not support visual 0x5a" messages. glxinfo says "direct rendering: yes", though. -- Support for Intel 965 (GMA X3000) doesn't work https://launchpad.net/bugs/62135 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs