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:
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]() !(old-> frontbuffer_ bits & frontbuffer_bits))
WARN_ON(