我已经在笔记本电脑上使用 Ubuntu 22.04 LTS 一年多了，但最近我遇到了意外的冻结或挂起。当这种情况发生时，什么都不起作用，甚至虚拟终端也不行。我唯一能做的就是按电源按钮重新启动。我曾经journalctl -b -1 -e获取错误日志，结果如下：
lines 1195-1235/1235 (END)
Dec 12 21:03:13 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ google-chrome.desktop[5712]: WARNING: Attempting to use a delegate that only supports static-sized tensors with a graph that h>
Dec 12 21:03:22 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:22 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:22 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393402.060:448): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:22 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393402.060:449): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:23 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:23 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:23 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393403.512:450): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:23 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393403.512:451): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:43 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:43 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:43 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393423.408:452): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:03:43 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393423.408:453): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:00 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:00 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393500.861:454): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:00 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:00 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393500.865:455): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:13 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:13 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393513.317:456): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:13 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ kernel: audit: type=1107 audit(1702393513.321:457): pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparm>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
Dec 12 21:05:13 imran-VivoBook-ASUSLaptop-X509DJ-D509DJ audit[713]: USER_AVC pid=713 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_sig>
exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'
如果能得到有关我现在该做什么的帮助我将非常感激。
另外，以下是我的 PC 规格，可以提供任何信息：
Ryzen 5 3500U 内存：12GB 256GB SSD，1TB HDD