删除陈旧的xrandr条目


2

我最近在Kubuntu 16.04.1 LTS下切换了视频卡,xrandr命令缓存了许多旧设置。

$ xrandr | grep "connected"
DVI-D-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 2560x1600+0+0 (normal left inverted right x axis y    axis) 641mm x 401mm
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected primary 2560x1600+2560+0 (normal left inverted right x axis y axis) 641mm x 401mm
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)
DP-4.8 connected 2560x1600+5120+0 (normal left inverted right x axis y axis) 641mm x 401mm
DP-4.1.8 disconnected (normal left inverted right x axis y axis)

所有断开连接的显示器实际上是相同CONNECTED显示器的变体(即我总是拥有相同的3个显示器),但它们已经从Intel(IGP)转移到AMD,现在是NVIDIA GTX-1080。

我真的想删除旧的和无关的条目。 这些数据存储在哪里? 除了完全重新安装(我不想做的。去除旧驱动程序也没有清除它)我该如何处理?

我理解为什么这些信息仍然存在,但我觉得它实际上阻碍了kscreen(?)或kwin(?)或者什么,因为我的显示布局变得非常不稳定。

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