After a few minutes, the second monitor is disconnected and not visible from display configuration anymore(from dmesg) :
Code:
[ 1547.625880] evdi: [D] evdi_painter_disconnect:707 (dev=1) Disconnected from 00000000c187bb84
[ 1547.625889] evdi: [D] evdi_detect:95 (dev=-1) poll connector state: disconnected
[ 1547.626866] evdi: [D] evdi_driver_postclose:143 (dev=-1) Process tries to close us, postclose
[ 1547.626872] evdi: [I] Task 1629 (DesktopManagerE) of process 1602 (DisplayLinkMana)
[ 1547.647506] evdi: [D] evdi_detect:95 (dev=-1) poll connector state: disconnected
[ 1547.647623] evdi: [D] evdi_detect:95 (dev=-1) poll connector state: disconnected
[ 1547.914024] evdi: [D] evdi_painter_mark_dirty:497 (dev=-1) Skip clip rect. Scanout buffer not set.
[ 1547.916734] evdi: [D] evdi_painter_mark_dirty:497 (dev=-1) Skip clip rect. Scanout buffer not set.