[Bug 70117] [ivb cpu edp] clock recovery fails with too many full/voltage retries, channel equalization succeeds

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 25 11:55:38 PST 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=70117

--- Comment #29 from Leho Kraav (:macmaN :lkraav) <leho at kraav.com> ---
After about 9 days of uptime, DELL E7440 doesn't want to recognize displays
connected to the dock anymore. Kernel 3.18.7 vanilla.

veebr 25 21:51:30 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:30 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:30 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:30 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:30 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:31 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:31 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:32 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:32 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:32 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:32 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:32 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:33 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:34 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:34 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:34 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:34 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:34 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:intel_dp_complete_link_train] *ERROR*
failed to train DP, aborting
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:35 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:35 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:35 papaya kernel: [drm:intel_dp_set_idle_link_train] *ERROR*
Timed out waiting for DP idle patterns
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:35 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:36 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:36 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:37 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:37 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:37 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:37 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:37 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:38 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:39 papaya kernel: [drm:intel_dp_start_link_train] *ERROR* too
many voltage retries, give up
veebr 25 21:51:39 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:39 papaya kernel: [drm:intel_dp_complete_link_train] *ERROR*
failed to train DP, aborting
veebr 25 21:51:39 papaya kernel: [drm:hsw_unclaimed_reg_detect] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
veebr 25 21:51:39 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:39 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:39 papaya kernel: [drm:intel_uncore_check_errors] *ERROR*
Unclaimed register before interrupt
veebr 25 21:51:39 papaya kernel: [drm:intel_dp_set_idle_link_train] *ERROR*
Timed out waiting for DP idle patterns

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