今天晚上我在工作时错误地按下了打印屏幕按钮，不明白如果我不保存它是否会导致这个问题。
目前，我的屏幕上有一条灰色的垂直线，并且我的日志中充斥着以下消息：
Mar 11 23:16:45 ik0 gnome-session[2943]: (eog:4704): EOG-WARNING **: Failed to open file '/home/ik/.cache/thumbnails/normal/a01ae0877394f13026ab01f9eae1181c.png': No such file or directory
Mar 11 23:16:46 ik0 gnome-session[2943]: (eog:4704): EOG-WARNING **: Failed to open file '/home/ik/.cache/thumbnails/normal/6001204b04afaf0cfeb1eba96f162d83.png': No such file or directory
Mar 11 23:16:46 ik0 gnome-session[2943]: (eog:4704): EOG-WARNING **: Failed to open file '/home/ik/.cache/thumbnails/normal/b0b9da5b06593da5ed2f3357d046e539.png': No such file or directory
Mar 11 23:29:35 ik0 gnome-session[2943]: (eog:4985): EOG-WARNING **: Failed to open file '/home/ik/.cache/thumbnails/normal/ee3821784782d33725fa45a58d6d55e4.png': No such file or directory
Mar 11 23:35:14 ik0 gnome-session[2943]: (nautilus:3134): Gtk-WARNING **: Attempting to read the recently used resources file at '/home/ik/.local/share/recently-used.xbel', but the parser failed: Failed to open file '/home/ik/.local/share/recently-used.xbel': Permission denied.
Mar 11 23:35:14 ik0 gnome-session[2943]: (zeitgeist-datahub:3646): Gtk-WARNING **: Attempting to read the recently used resources file at '/home/ik/.local/share/recently-used.xbel', but the parser failed: Failed to open file '/home/ik/.local/share/recently-used.xbel': Permission denied.
我尝试通过以下搜索来终止 gnome-screenshot 进程：
ps aux | grep gnome-screenshot
建议如下：这个帖子但结果是“未找到进程”。
请参阅附件中我查看该问题的屏幕截图：
以下还有关于显卡驱动程序的信息lshw：
*-display
description: VGA compatible controller
product: 4th Gen Core Processor Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:28 memory:f0000000-f03fffff memory:e0000000-efffffff ioport:3000(size=64)
有人可以帮忙吗？