I have to revise the upper report a bit. On my computer, the kernel bug seems to be reproducible with the same source location. As it turned out today, it does NOT NECESSARILY come after lightdm restart. So, it may or may not be connected to the invisible cursor issue. Pasting from dmesg:
WARNING: CPU: 0 PID: 2597 at /build/linux-1dujk3/linux-4.2.0/drivers/gpu/drm/i915/i915_gem.c:5269 i915_gem_track_fb+0x129/0x140 [i915]() WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits)) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453538 Title: Invisible mouse pointer To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1453538/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
