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Description of problem:
connection usb type c dock with 2 displays attached freezes the system and
requires cold boot. sometimes only disconnecting the dock makes the system
usable again, sometimes not. sometime the dock works with only 1 display
attached, sometimes even with both but 90% of the time connecting any display
to the dock hangs the system (or booting ubuntu with the dock and displays
already connected makes the system unbootable).
dock is https://us-store.acer.com/acer-usb-type-c-dock
Version-Release number of selected component (if applicable):
Ubuntu 17.10
Steps to Reproduce:
1. Connect Dock
2. Experience Crash
Actual results:
crash
Expected results:
Working dock with external displays
Additional info:
works fine under windows. crashes X and wayland.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: artful bot-comment
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connecting dock hangs system
https://bugs.launchpad.net/bugs/1732410
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