Chrome（其他浏览器没有问题）、终端、打印屏幕等应用程序都需要很长时间（约 1 分钟）才能启动。我使用键绑定调用的所有应用程序都很慢。这种情况已经持续了几天。
联想 Yoga 500
处理器：AMD A8-7410 APU，配备 AMD Radeon R5 显卡 × 4
图形：AMD MULLINS 上的 Gallium 0.4（DRM 2.43.0 / 4.4.0-77-generic，LLVM 3.8.0）
操作系统类型：64位
glxinfo | grep "OpenGL version"
OpenGL version string: 3.0 Mesa 12.0.6
编辑 1：输出google-chrome
[3871:3871:0509/102048.258355:ERROR:sandbox_linux.cc(343)] InitializeSandbox() called with multiple threads in process gpu-process.
Gkr-Message: secret service operation failed: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
Gkr-Message: secret service operation failed: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
的输出gnome-screenshot是立即的；当我按下时需要 1 分钟以上的时间PrtSc。
答案1
我遇到了同样的问题，运行以下命令解决了该问题：
gnome-keyring-daemon &
我在这个答案中找到了解决方案：https://askubuntu.com/a/838985/690438
编辑：问题的根源似乎是 dbus-user-session 包。卸载后，一切正常。错误已在此处解决https://bugs.launchpad.net/bugs/1689825