Created attachment 116441 [details] dmesg of the failed hot plug attempt with drm.debug=14 i915.disable_power_well=0 ==System Environment== -------------------------- Supermicro X10SAE (C226 Lynxpoint) Intel(R) Xeon(R) CPU E3-1268L Delock 61848 DP->VGA dongle old hp1530 Monitor attached via active Display-Port->VGA Adapter Cable Distribution: SLES11-SP3 ==kernel== -------------------------- 4.1-rc4 plus http://patchwork.freedesktop.org/patch/50953/ ==Bug detailed description== Hot-Plugging an active DP->VGA converter the screen does not show an image. in comparison to #85924 it does not matter if the system is booted with this adapter plugged in / or if it pulled out and plugged back in with the system running: Screen does not wake up again. dmesg with drm.debug=14 i915.disable_power_well=0 attached. Hotplug event at timecode [ 107.158263] Greetings, Oliver
We seem to have neglected this bug report. Apologies. We do have fixed some issues in the area, however. Please try current v4.3-rc kernel, and report back. Thanks.
Timeout, closing. Please reopen if the problem persists with later kernels.
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