因此，我使用 21.04，当我关闭 PC 时，我可以看到键盘已关闭，但 Plymouth 已冻结，然后在大约 15 秒后 PC 也关闭了。我查看了日志并发现了 2 个错误，有什么办法可以修复它吗？Ubuntu 21.04 带有 5.11.0-17 内核
16:32:41 kernel: Error opening PCM device front:0: No such file or directory
16:32:41 kernel: Gdm: Failed to contact accountsservice: Error calling StartServiceByName for org.freedesktop.Accounts: Transaction for accounts-daemon.service/start is destructive (local-fs-pre.target has 'stop' job queued, but 'start' is included in transaction).