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有深度网友经过实验，得出一个结论：在Deepin 20.2中导致系统监视器无法打开或闪退问题的很可能是snapd，以下是相关的实验结果。
启动系统监视器，打开后一闪而过 查看/var/log/syslog日志，发现如下报错内容： xcc-deepin systemd[1]: deepin-anything-monitor.service: Service RestartSec=10s expired, scheduling restart. xcc-deepin systemd[1]: deepin-anything-monitor.service: Scheduled restart job, restart counter is at 141. xcc-deepin systemd[1]: Stopped Deepin anything service. xcc-deepin systemd[1]: Started Deepin anything service. xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.260] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::DASPluginLoaderPrivate: 97]: plugin paths: ("/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins") xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.260] [default-debug] [deepin_anything_server::DASPluginLoader::DASPluginLoader: 336]: watch: "/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.260] [default-debug] [deepin_anything_server::DASPluginLoader::update: 365]: PluginLoader::PluginLoader() checking directory path "/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers" ... xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.260] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() looking at "/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/libdde-anythingmonitor.so" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.264] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 157]: "Cannot load library /usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/libdde-anythingmonitor.so: (/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/libdde-anythingmonitor.so: undefined symbol: _ZN26ComDeepinAnythingInterfaceC1ERK7QStringS2_RK15QDBusConnectionP7QObject)" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.264] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() looking at "/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/libupdate-lft.so" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.264] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 210]: file last modified: QDateTime(2021-04-01 17:49:39.000 CST Qt::LocalTime) xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.264] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() looking at "/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/README.txt" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.264] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 157]: "'/usr/lib/x86_64-linux-gnu/deepin-anything-server-lib/plugins/handlers/README.txt' is not an ELF object" xcc-deepin deepin-anything-monitor[22652]: [2021-04-11, 19:04:53.268] [default-critical] [deepin_anything_server::Server::run: 54]: Failed on open: /proc/vfs_changes "没有那个文件或目录" xcc-deepin systemd[1]: deepin-anything-monitor.service: Main process exited, code=exited, status=2/INVALIDARGUMENT xcc-deepin systemd[1]: deepin-anything-monitor.service: Failed with result 'exit-code'. 注：执行sudo journalctl -u deepin-anything-monitor.service命令查看服务日志，也发现同样的报错： xcc-deepin systemd[1]: deepin-anything-monitor.service: Service RestartSec=10s expired, scheduling restart. xcc-deepin systemd[1]: deepin-anything-monitor.service: Scheduled restart job, restart counter is at 147. xcc-deepin systemd[1]: Stopped Deepin anything service. xcc-deepin systemd[1]: Started Deepin anything service. xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.759] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::DASPluginLoaderPrivate: 97] xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.759] [default-debug] [deepin_anything_server::DASPluginLoader::DASPluginLoader: 336]: watch: "/usr/lib/x86_64-linux-gnu/dee xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.759] [default-debug] [deepin_anything_server::DASPluginLoader::update: 365]: PluginLoader::PluginLoader() checking director xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.760] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() lookin xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.765] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 157]: "Cannot load library /usr/lib/x86_6 xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.765] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() lookin xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.766] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 210]: file last modified: QDateTime(2021- xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.766] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 150]: PluginLoader::PluginLoader() lookin xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.766] [default-debug] [deepin_anything_server::DASPluginLoaderPrivate::loadPlugin: 157]: "'/usr/lib/x86_64-linux-gnu/deepin- xcc-deepin deepin-anything-monitor[22814]: [2021-04-11, 19:05:54.770] [default-critical] [deepin_anything_server::Server::run: 54]: Failed on open: /proc/vfs_changes "没有那个文件或目录" xcc-deepin systemd[1]: deepin-anything-monitor.service: Main process exited, code=exited, status=2/INVALIDARGUMENT xcc-deepin systemd[1]: deepin-anything-monitor.service: Failed with result 'exit-code'.
说明 相比于之前正常的时候，多了一行错误Failed on open: /proc/vfs_changes "没有那个文件或目录"。 这个文件我完全没有头绪，需要继续往下排查。
实践及结果 最近的操作，卸载open-jdk-11，安装了Wine游戏助手（Debian/Ubuntu/Deepin/UOS/Fedora/Arch下安装Wine游戏助手），因为需要运行战网和炉石传说，装了一个utools，装了一个snap包管理。 安装好snap后，多了一个100m的挂载点，不知道跟这个有没有关系，如下图所示：
运行： sudo apt autoremove --purge snapd 卸载snap后正常恢复正常，挂载点消失。 安装snapd正常，重启正常： sudo apt install snapd 再安装一个snap包： $ sudo snap install bw 请输入密码 验证成功 INFO Waiting for restart... bw 1.15.1 from 8bit Solutions LLC (bitwarden) installed 到了这时，Deepin 20.2系统监视器打不开了，所以它跟snap是有关系的。
推断 如果升级至Deepin 20.2后出现系统监视器无法打开或者闪退问题，请看一下系统中是否有snap，可把它卸载一下。
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