当我通过 Thunderbolt 3 将 Lenovo ThinkPad T490 插入 LG 32UL950 时,以下消息以journalctl
8 次/秒的速度重复:
Feb 04 09:12:46 <hostname> kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.RP09.PEGP.NVDN], AE_NOT_FOUND (20210730/psargs-330)
Feb 04 09:12:46 <hostname> kernel:
Feb 04 09:12:46 <hostname> kernel: No Local Variables are initialized for Method [_Q27]
Feb 04 09:12:46 <hostname> kernel:
Feb 04 09:12:46 <hostname> kernel: No Arguments are initialized for method [_Q27]
Feb 04 09:12:46 <hostname> kernel:
Feb 04 09:12:46 <hostname> kernel: ACPI Error: Aborting method \_SB.PCI0.LPCB.EC._Q27 due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
电源(根据 的报告while true; do cat /sys/class/power_supply/AC/online; done
)闪烁,电池电量很快耗尽。
这种情况是在过去一两周内的某个时候开始的,使得使用该显示器非常不方便。
系统信息:
$ lsb_release -a
LSB Version: core-11.1.0ubuntu4-noarch:security-11.1.0ubuntu4-noarch
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
$ uname -a
Linux <hostname> 5.15.0-60-generic #66-Ubuntu SMP Fri Jan 20 14:29:49 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
答案1
有一个Ubuntu 错误报告。根据这篇文章在 Ask Ubuntu 中社区这会影响多个内核(提到了 5.12 和 5.17),并且还有一个kernel.org 错误报告。 kernel.org 发布的内容包含潜在修复的链接。
答案2
我通过固件更新解决了这个问题:
sudo fwupdmgr get-updates && sudo fwupdmgr update
sudo reboot now
# press a key when instructed at boot
# and wait a few minutes while it updates without showing any progress