The following appeared in dmesg after I got that last dmesg.txt:
[ 831.299129] Raw EDID: [ 831.299132] 02 03 1d f1 50 90 05 04 03 02 07 16 01 06 11 12 [ 831.299133] 15 13 14 1f 20 23 09 1f 07 83 01 00 00 02 3a 80 [ 831.299134] 18 71 38 2d 40 58 2c 45 00 81 91 21 00 00 1e 01 [ 831.299135] 1d 80 18 71 1c 16 20 58 2c 25 00 81 91 21 00 00 [ 831.299137] 9e 01 1d 00 72 51 d0 1e 20 6e 28 55 00 81 91 21 [ 831.299138] 00 00 1e 8f 0a d0 8a 20 e0 2d 10 10 3e 96 00 81 [ 831.299139] 91 21 00 00 18 00 00 00 00 00 00 00 00 00 00 00 [ 831.299140] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e6 [ 831.629384] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [ 833.074178] usb 2-2.3.3: USB disconnect, device number 7 Seems like it'd be useful. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475729 Title: Lots of EDID related back traces. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475729/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs