我在 Acer Aspire One AOD255 上网本上使用 Ubuntu 13.04 32 位已有一段时间了，今天我发现统一面板上缺少电源指示器图标。此外，我没有收到任何低电量通知，我的笔记本电脑只是关闭而不是休眠。指示器显示在登录屏幕上。
upower输出：
ali@ali-AOD255:~$ upower -d
Device: /org/freedesktop/UPower/devices/line_power_AC
native-path: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/ACPI0003:00/power_supply/AC
power supply: yes
updated: Sun Jul 21 20:26:31 2013 (773 seconds ago)
has history: no
has statistics: no
line-power
online: no
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/PNP0C0A:00/power_supply/BAT0
vendor: SANYO
model: AL10A31
power supply: yes
updated: Sun Jul 21 20:39:02 2013 (22 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
energy: 2.9082 Wh
energy-empty: 0 Wh
energy-full: 18.1263 Wh
energy-full-design: 24.42 Wh
energy-rate: 9.8568 W
voltage: 10.802 V
time to empty: 17.7 minutes
percentage: 16.0441%
capacity: 74.2273%
technology: lithium-ion
History (charge):
1374421111 16.044 discharging
History (rate):
1374421142 9.857 discharging
1374421111 9.446 discharging
1374421080 9.291 discharging
Daemon:
daemon-version: 0.9.20
can-suspend: yes
can-hibernate: yes
on-battery: yes
on-low-battery: no
lid-is-closed: no
lid-is-present: yes
is-docked: no
dmesg输出：
ali@ali-AOD255:~$ dmesg | grep -i acpi
[ 0.000000] BIOS-e820: [mem 0x000000007f577000-0x000000007f5befff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000007f5ec000-0x000000007f5fefff] ACPI data
[ 0.000000] ACPI: RSDP 000fe020 00024 (v02 ACRSYS)
[ 0.000000] ACPI: XSDT 7f5fe120 00064 (v01 ACRSYS ACRPRDCT 00000001 01000013)
[ 0.000000] ACPI: FACP 7f5fd000 000F4 (v04 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: DSDT 7f5f1000 08D6F (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: FACS 7f584000 00040
[ 0.000000] ACPI: HPET 7f5fc000 00038 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: APIC 7f5fb000 00078 (v02 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: MCFG 7f5fa000 0003C (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: SLIC 7f5f0000 00176 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: BOOT 7f5ef000 00028 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: SSDT 7f5ed000 00655 (v01 PmRef CpuPm 00003000 INTL 20051117)
[ 0.000000] ACPI: WDAT 7f5ec000 00194 (v01 INSYDE INSYDE 00000001 MSFT 01000013)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: PM-Timer IO Port: 0x408
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x00] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x00] disabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.012225] ACPI: Core revision 20121018
[ 0.108314] PM: Registering ACPI NVS region [mem 0x7f577000-0x7f5befff] (294912 bytes)
[ 0.111405] ACPI: bus type pci registered
[ 0.114917] ACPI: Added _OSI(Module Device)
[ 0.114917] ACPI: Added _OSI(Processor Device)
[ 0.114917] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.114917] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.119212] ACPI: EC: Look up EC in DSDT
[ 0.123126] ACPI: Executed 1 blocks of module-level executable AML code
[ 0.127354] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.128403] ACPI: SSDT 7f4b7790 00708 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.129765] ACPI: Dynamic OEM Table Load:
[ 0.129772] ACPI: SSDT (null) 00708 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.130144] ACPI: SSDT 7f4b5690 00646 (v01 PmRef Cpu0Cst 00003001 INTL 20051117)
[ 0.131056] ACPI: Dynamic OEM Table Load:
[ 0.131063] ACPI: SSDT (null) 00646 (v01 PmRef Cpu0Cst 00003001 INTL 20051117)
[ 0.131111] ACPI: SSDT 7f4b6d90 0015F (v01 PmRef ApIst 00003000 INTL 20051117)
[ 0.132907] ACPI: Dynamic OEM Table Load:
[ 0.132915] ACPI: SSDT (null) 0015F (v01 PmRef ApIst 00003000 INTL 20051117)
[ 0.132945] ACPI: SSDT 7f4b6f10 0008D (v01 PmRef ApCst 00003000 INTL 20051117)
[ 0.133181] ACPI: Dynamic OEM Table Load:
[ 0.133187] ACPI: SSDT (null) 0008D (v01 PmRef ApCst 00003000 INTL 20051117)
[ 0.133218] ACPI: Interpreter enabled
[ 0.133218] ACPI: (supports S0 S3 S4 S5)
[ 0.133218] ACPI: Using IOAPIC for interrupt routing
[ 0.271632] ACPI: Power Resource [FN00] (on)
[ 0.272548] ACPI: EC: GPE = 0x19, I/O: command/status = 0x66, data = 0x62
[ 0.272873] ACPI: No dock devices found.
[ 0.272885] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.273675] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.273683] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
[ 0.289605] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP1._PRT]
[ 0.289745] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP2._PRT]
[ 0.290078] pci0000:00: Requesting ACPI _OSC control (0x1d)
[ 0.290538] pci0000:00: ACPI _OSC control (0x1c) granted
[ 0.292537] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.292688] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 *10 11 12)
[ 0.292833] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.292978] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.293123] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.293269] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.293415] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.293572] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.296717] ACPI: bus type scsi registered
[ 0.296747] ACPI: bus type usb registered
[ 0.296747] PCI: Using ACPI for IRQ routing
[ 0.322754] pnp: PnP ACPI init
[ 0.322786] ACPI: bus type pnp registered
[ 0.384628] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.384712] pnp 00:01: Plug and Play ACPI device, IDs PNP0200 (active)
[ 0.384819] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.385054] pnp 00:03: Plug and Play ACPI device, IDs PNP0103 (active)
[ 0.385140] pnp 00:04: Plug and Play ACPI device, IDs PNP0c04 (active)
[ 0.385215] pnp 00:05: Plug and Play ACPI device, IDs INT0800 (active)
[ 0.385352] pnp 00:06: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.385522] pnp 00:07: Plug and Play ACPI device, IDs SYN1b1c SYN1b00 SYN0002 PNP0f13 (active)
[ 0.385863] pnp: PnP ACPI: found 8 devices
[ 0.385869] ACPI: ACPI bus type pnp unregistered
[ 0.385876] PnPBIOS: Disabled by ACPI PNP
[ 1.272199] ACPI: AC Adapter [AC] (off-line)
[ 1.272363] ACPI: Power Button [PWRB]
[ 1.272469] ACPI: Sleep Button [SLPB]
[ 1.272616] ACPI: Lid Switch [LID0]
[ 1.272735] ACPI: Power Button [PWRF]
[ 1.272854] ACPI: Fan [FAN] (on)
[ 1.272990] ACPI: Requesting acpi_cpufreq
[ 1.408392] ACPI: Thermal Zone [THRM] (59 C)
[ 2.068247] ACPI: Battery Slot [BAT0] (battery present)
[ 26.088969] acer_wmi: Acer Laptop ACPI-WMI Extras
[ 26.089283] acer_wmi: Brightness must be controlled by acpi video driver
[ 26.787802] ACPI Warning: 0x00000428-0x0000042f SystemIO conflicts with Region \PMBA 1 (20121018/utaddress-251)
[ 26.787822] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 26.787832] ACPI Warning: 0x00000530-0x0000053f SystemIO conflicts with Region \GPIO 1 (20121018/utaddress-251)
[ 26.787845] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 26.787851] ACPI Warning: 0x00000500-0x0000052f SystemIO conflicts with Region \GPIO 1 (20121018/utaddress-251)
[ 26.787864] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 28.855074] acpi device:27: registered as cooling_device3
[ 28.855507] ACPI: Video Device [OVGA] (multi-head: yes rom: no post: no)
答案1
尝试检查是否可以将指示器显示设置为“从不”。
只需进入“系统设置...” -> “电源”
参见此图
答案2
好吧，我创建了另一个用户帐户，并登录该帐户解决了问题，并且电池指示器也恢复了。