[Bug 110629] Intel i915 graphics driver issues with external monitor when laptop in docking station (opensuse bug 1132926)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110629

Norman Golisz <ng at zcat.de> changed:

           What    |Removed                     |Added
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                 CC|                            |ng at zcat.de

--- Comment #12 from Norman Golisz <ng at zcat.de> ---
I've got the very same symptoms with my Thinkpad T430, 3 external monitors
(Display Port) and docking station. In my case it's OpenBSD 6.5-current after
my OS vendor updated the DRM code in April from Linux 4.4 to 4.19.34.

Part of my dmesg:

inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
[drm] *ERROR* Link Training Unsuccessful

The last message is repeated 63 times.

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