*** This bug is a duplicate of bug 1813663 *** https://bugs.launchpad.net/bugs/1813663
Same Problem on Thinkpad L560 + Docking Station + External Monitor + 18.04 LTS amd64: When docked both screens go blank when Gnome Session tries to start. Nothing works but REISUB. >From the boot log: Jan 30 12:24:47 remscheid kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000245 Jan 30 12:24:47 remscheid kernel: IP: intel_ddi_post_disable+0x54/0x170 [i915] Kernel was: 4.15.0-44-generic Effect not reproducible with kernel: 4.15.0-43-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813831 Title: Oops: NULL pointer dereference intel_ddi_post_disable+0x54/0x170 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs