Public bug reported: eDP on haswell graphics puts some stuff in dmsg that is scary to users. Worse, these messages are displayed on suspend/resume, and because we don't have vt-switchless resume support in ubuntu yet, when the graphics don't work it seems like these messages are the culprit.
Dmesg: [11577.928164] [drm:intel_dp_set_link_train] *ERROR* Timed out waiting for DP idle patterns [11577.928167] [drm:i915_write32] *ERROR* Unknown unclaimed register before writing to 64040 ** Affects: linux Importance: Unknown Status: Unknown ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Timo Aaltonen (tjaalton) Status: Confirmed ** Bug watch added: freedesktop.org Bugzilla #58769 https://bugs.freedesktop.org/show_bug.cgi?id=58769 ** Also affects: linux via https://bugs.freedesktop.org/show_bug.cgi?id=58769 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1138700 Title: Using eDP leaves kernel log with "Timed out waiting for DP idle patterns" messages To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1138700/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs