我昨天刚刚升级到 Ubuntu 20.04（之前是 19.10）。一切都运行良好，只是现在当我将笔记本电脑置于挂起状态时（无论是合上盖子、使用菜单还是sudo pm-suspend），笔记本电脑都会关机。只有在没有插入交流电时才会发生这种情况！
检查journalctl不会提供任何有意义的见解，它只是说- 重启 - 。
dmesg给出了一些 ACPI 错误，也许这可能很有趣？
[ 0.326742] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.PEG0.PEGP.TDGC], AE_NOT_FOUND (20190816/psargs-330)
[ 0.326751] ACPI Error: Aborting method \_SB.PCI0.PEG0.PG00._ON due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.356479] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
[ 0.573782] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.HEC.CHRG], AE_NOT_FOUND (20190816/psargs-330)
[ 0.573793] ACPI Error: Aborting method \PNOT due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.573797] ACPI Error: Aborting method \_SB.AC._PSR due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.573803] ACPI Error: AE_NOT_FOUND, Error reading AC Adapter state (20190816/ac-115)
[ 0.576615] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20190816/psargs-330)
[ 0.576624] ACPI Error: Aborting method \_TZ.TZ00._TMP due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.576769] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20190816/psargs-330)
[ 0.576775] ACPI Error: Aborting method \_TZ.TZ00._TMP due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.576837] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20190816/psargs-330)
[ 0.576842] ACPI Error: Aborting method \_TZ.TZ01._TMP due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 0.576897] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20190816/psargs-330)
[ 0.576902] ACPI Error: Aborting method \_TZ.TZ01._TMP due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 22.094640] ACPI BIOS Error (bug): Failure creating named object [\_GPE._E42.SPRT], AE_ALREADY_EXISTS (20190816/dswload2-323)
[ 22.094651] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog (20190816/psobject-220)
[ 22.094653] ACPI Error: Aborting method \_GPE._E42 due to previous error (AE_ALREADY_EXISTS) (20190816/psparse-529)
[ 22.094657] ACPI Error: Aborting method \_GPE._E42 due to previous error (AE_ALREADY_EXISTS) (20190816/psparse-529)
[ 22.094664] ACPI Error: AE_ALREADY_EXISTS, while evaluating GPE method [_E42] (20190816/evgpe-511)
有任何想法吗？
答案1
我的解决方案实际上是正确关闭计算机而不是重新启动。因此，Ubuntu 中实际的“关机”选项。此后，问题再也没有出现过。