我的 Ubuntu 20.04 每隔 2 或 3 次（1 小时通话）就会冻结一次，这导致我几乎每天都必须硬重启/重置系统，并且我会丢失当天的所有选项卡和设置。
这些是 /var/log/syslog 中的最后几行 -
** 注意：将日志替换为下面提到的更相关的日志**
Jun 9 12:03:29 lolipop-lap /usr/lib/gdm3/gdm-x-session[2715]: message repeated 14 times: [ fct_update_tray_menu was called by Wnck::Screen=HASH(0x5642d1e56d58)]
Jun 9 12:05:01 lolipop-lap /usr/lib/gdm3/gdm-x-session[25308]: [25302:25302:0609/120501.832826:ERROR:fallback_task_provider.cc(124)] Every renderer should have at least one task provided by a primary task provider. If a "Renderer" fallback task is shown, it is a bug. If you have repro steps, please file a new bug and tag it as a dependency of crbug.com/739782.
Jun 9 12:06:02 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56552 terminated.
Jun 9 12:06:02 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56555 terminated.
Jun 9 12:06:02 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56554 terminated.
Jun 9 12:06:09 lolipop-lap /usr/lib/gdm3/gdm-x-session[2592]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 27633, resource id: 148897803, major code: 18 (ChangeProperty), minor code: 0
Jun 9 12:06:09 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56579 terminated.
Jun 9 12:06:09 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56578 terminated.
Jun 9 12:06:09 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56580 terminated.
Jun 9 12:06:25 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-BEACON-LOSS
Jun 9 12:06:26 lolipop-lap NetworkManager[860]: <warn> [1686308785.9296] sup-iface[0x55b07c400210,wlp2s0]: connection disconnected (reason -4)
Jun 9 12:06:26 lolipop-lap /usr/lib/gdm3/gdm-x-session[25308]: [25302:25332:0609/120626.626966:ERROR:connection_factory_impl.cc(428)] Failed to connect to MCS endpoint with error -106
Jun 9 12:06:26 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-DISCONNECTED bssid=04:70:56:69:8b:f0 reason=4 locally_generated=1
Jun 9 12:06:26 lolipop-lap NetworkManager[860]: <info> [1686308786.0091] device (wlp2s0): supplicant interface state: completed -> disconnected
Jun 9 12:06:26 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
Jun 9 12:06:26 lolipop-lap NetworkManager[860]: <info> [1686308786.0092] device (p2p-dev-wlp2s0): supplicant management interface state: completed -> disconnected
Jun 9 12:06:27 lolipop-lap NetworkManager[860]: <info> [1686308786.0093] device (wlp2s0): supplicant interface state: disconnected -> scanning
Jun 9 12:06:27 lolipop-lap NetworkManager[860]: <info> [1686308786.0094] device (p2p-dev-wlp2s0): supplicant management interface state: disconnected -> scanning
Jun 9 12:06:27 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Releasing inhibition with cookie 622
Jun 9 12:06:27 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Can't contact ck
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: SME: Trying to authenticate with e4:75:dc:e3:ed:16 (SSID='LolipopWireless24' freq=5180 MHz)
Jun 9 12:06:29 lolipop-lap kernel: [96645.512116] wlp2s0: authenticate with e4:75:dc:e3:ed:16
Jun 9 12:06:29 lolipop-lap kernel: [96645.514167] wlp2s0: send auth to e4:75:dc:e3:ed:16 (try 1/3)
Jun 9 12:06:29 lolipop-lap kernel: [96645.515182] wlp2s0: authenticated
Jun 9 12:06:29 lolipop-lap kernel: [96645.518827] wlp2s0: associate with e4:75:dc:e3:ed:16 (try 1/3)
Jun 9 12:06:29 lolipop-lap kernel: [96645.520674] wlp2s0: RX AssocResp from e4:75:dc:e3:ed:16 (capab=0x1011 status=0 aid=5)
Jun 9 12:06:29 lolipop-lap kernel: [96645.521902] wlp2s0: associated
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: Trying to associate with e4:75:dc:e3:ed:16 (SSID='LolipopWireless24' freq=5180 MHz)
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3198] device (wlp2s0): supplicant interface state: scanning -> associating
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: Associated with e4:75:dc:e3:ed:16
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3198] device (p2p-dev-wlp2s0): supplicant management interface state: scanning -> associating
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3211] device (wlp2s0): supplicant interface state: associating -> associated
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-REGDOM-CHANGE init=COUNTRY_IE type=COUNTRY alpha2=GB
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3211] device (p2p-dev-wlp2s0): supplicant management interface state: associating -> associated
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3376] device (wlp2s0): supplicant interface state: associated -> 4-way handshake
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3377] device (p2p-dev-wlp2s0): supplicant management interface state: associated -> 4-way handshake
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: WPA: Key negotiation completed with e4:75:dc:e3:ed:16 [PTK=CCMP GTK=CCMP]
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-CONNECTED - Connection to e4:75:dc:e3:ed:16 completed [id=0 id_str=]
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.3999] device (wlp2s0): supplicant interface state: 4-way handshake -> completed
Jun 9 12:06:29 lolipop-lap NetworkManager[860]: <info> [1686308789.4138] device (p2p-dev-wlp2s0): supplicant management interface state: 4-way handshake -> completed
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-SIGNAL-CHANGE above=0 signal=-69 noise=9999 txrate=585100
Jun 9 12:06:29 lolipop-lap kernel: [96645.630773] wlp2s0: Limiting TX power to 19 (20 - 1) dBm as advertised by e4:75:dc:e3:ed:16
Jun 9 12:06:29 lolipop-lap wpa_supplicant[901]: wlp2s0: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-69 noise=9999 txrate=585100
Jun 9 12:06:29 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Scheduling inhibition from ":1.877" "/usr/bin/google-chrome-stable" with cookie 626 and reason "Playing audio"
Jun 9 12:06:34 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Enforcing inhibition from ":1.877" "/usr/bin/google-chrome-stable" with cookie 626 and reason "Playing audio"
Jun 9 12:06:34 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Added interrupt session
Jun 9 12:06:34 lolipop-lap /usr/lib/gdm3/gdm-x-session[2656]: powerdevil: Can't contact ck
Jun 9 12:06:41 lolipop-lap /usr/lib/gdm3/gdm-x-session[25308]: [54060:14:0609/120641.205822:ERROR:srtp_transport.cc(216)] Failed to unprotect RTP packet: size=128, seqnum=9383, SSRC=6666, previous failure count: 200
Jun 9 12:07:32 lolipop-lap /usr/lib/gdm3/gdm-x-session[2525]: kdeinit5: PID 56557 terminated.
我确信上述日志行，因为我在笔记本电脑死机约 2 小时后重新启动了它，所以时间戳是有意义的。有人能帮我解释一下这些行吗，告诉我哪里出了问题？我可以修复什么（哪个驱动程序等？）。
我明白这可能是因为 Google Chrome 出现故障，但为什么整个系统都冻结了，当 Chrome 出现故障时我该怎么做才能让 Linux 恢复？
kurudi@lolipop-lap:~$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.6 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.6 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
和 Kubuntu DDE 版本
kurudi@lolipop-lap:~$ plasmashell --version
plasmashell 5.18.8