[Bug 105181] New: [BAT][CFL only] dmesg-warn *ERROR* [CONNECTOR:49:eDP-1] Link Training failed at link rate = 270000, lane count = 2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105181

            Bug ID: 105181
           Summary: [BAT][CFL only] dmesg-warn *ERROR*
                    [CONNECTOR:49:eDP-1] Link Training failed at link rate
                    = 270000, lane count = 2
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: elizabethx.de.la.torre.mena at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137488
  --> https://bugs.freedesktop.org/attachment.cgi?id=137488&action=edit
dmesg_log

In our CFL we got this tests affected with dmesg-warn *ERROR*
[CONNECTOR:49:eDP-1] Link Training failed at link rate = 270000, lane count = 2

igt at prime_vgem@basic-fence-wait-default
igt at prime_vgem@basic-fence-flip
igt at pm_rpm@basic-rte
igt at pm_rpm@basic-pci-d3-state
igt at pm_backlight@basic-brightness
igt at kms_psr_sink_crc@psr_basic

Sample Output:  
IGT-Version: 1.21-gdd61508 (x86_64) (Linux:
4.16.0-rc1-drm-intel-qa-ww8-commit-67f1480+ x86_64)
Subtest basic-fence-wait-default: SUCCESS (1.058s)
Test requirement not met in function __real_main757, file prime_vgem.c:849:
Test requirement: vgem_fence_has_flag(vgem, WIP_VGEM_FENCE_NOTIMEOUT)

Dmesg   
[  110.025174] [drm:intel_dp_start_link_train [i915]] *ERROR*
[CONNECTOR:49:eDP-1] Link Training failed at link rate = 270000, lane count = 2
Created at 2018-02-20 15:02:34

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