> The only thing that worked was switching the monitors from DisplayPort
to HDMI on the dock.
That's consistent with the kernel error in comment #20 and consistent
with comment #12, since MST is a DisplayPort feature.
** Summary changed:
- Window manager freezes when plugging in USB-C dock with external monitor.
+ Window manager freezes when plugging in USB-C dock with external monitor
([drm] *ERROR* mstb 00000000f21f0a30 port 1: DPCD read on addr 0x4b0 for 1
bytes NAKed)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** No longer affects: gnome-shell (Ubuntu)
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https://bugs.launchpad.net/bugs/1970495
Title:
Window manager freezes when plugging in USB-C dock with external
monitor ([drm] *ERROR* mstb 00000000f21f0a30 port 1: DPCD read on addr
0x4b0 for 1 bytes NAKed)
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