Is it possible that the USB ports do not supply power once the laptop
is running on battery?

Does the NumLock LED of the keyboard go out?


On Thu, 2024-02-22 at 13:49 -0300, Marcelo Laia wrote:
> Dear Debian Users,
> 
> Thank you all for the invaluable assistance provided. Unfortunately, the 
> issue has resurfaced today. I don't believe it's related to the age of the 
> hardware, although my Inspiron 5547-A20 is from 2014, as indicated below:
> 
> Inspiron 5547 01 OCT. 2014
> 
> Some hardware details:
> 
> - BIOS:
>    - Vendor: Dell Inc.
>    - Version: A13
>    - Date: 05/27/2019
> - CPU:
>    - Product: Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
> - Memory:
>    - Size: 16GB
> 
> Today, the battery still had 66% charge when this strange problem occurred. 
> It's worth mentioning that in all these days, between my last post here on 
> the list and today, I always use the battery until it reaches between 20-10%, 
> at which point I plug in the charger and let it charge until it reaches 
> 95-100%.
> 
> I ran the following commands:
> 
> With the power cable plugged into the power grid, i.e., the battery is 
> charging:
> 
> :~$ sudo lsusb -t
> 
> /:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=ehci-pci/2p, 480M
>      |__ Port 001: Dev 002, If 0, Class=Hub, Driver=hub/8p, 480M
>          |__ Port 005: Dev 003, If 0, Class=Wireless, Driver=btusb, 12M
>          |__ Port 005: Dev 003, If 1, Class=Wireless, Driver=btusb, 12M
>          |__ Port 006: Dev 004, 12M
>          |__ Port 007: Dev 005, If 0, Class=Vendor Specific Class, 
> Driver=rtsx_usb, 480M
>          |__ Port 008: Dev 006, If 0, Class=Video, Driver=uvcvideo, 480M
>          |__ Port 008: Dev 006, If 1, Class=Video, Driver=uvcvideo, 480M
> /:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/9p, 480M
>      |__ Port 002: Dev 007, If 0, Class=Human Interface Device, 
> Driver=usbhid, 1.5M
> /:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/4p, 5000M
> :~$
> 
> :~$ ls /sys/bus/usb/drivers/usb/
> 1-1  1-1.5  1-1.6  1-1.7  1-1.8  2-2  bind  module  uevent  unbind  usb1  
> usb2  usb3
> :~$ 
> 
> After unplugging the power cable, i.e., the battery is discharging:
> 
> After a few seconds, the screen brightness is set to zero. The mouse remains 
> active, and I can use it for a few more seconds, when it also becomes 
> disabled. From then on, only the touchpad and internal keyboard are 
> functional.
> 
> :~$ sudo lsusb -t
> 
> /:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=ehci-pci/2p, 480M
>      |__ Port 001: Dev 002, If 0, Class=Hub, Driver=hub/8p, 480M
>          |__ Port 005: Dev 003, If 0, Class=Wireless, Driver=btusb, 12M
>          |__ Port 005: Dev 003, If 1, Class=Wireless, Driver=btusb, 12M
>          |__ Port 006: Dev 004, 12M
>          |__ Port 007: Dev 005, If 0, Class=Vendor Specific Class, 
> Driver=rtsx_usb, 480M
>          |__ Port 008: Dev 006, If 0, Class=Video, Driver=uvcvideo, 480M
>          |__ Port 008: Dev 006, If 1, Class=Video, Driver=uvcvideo, 480M
> /:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/9p, 480M
> /:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/4p, 5000M
> :~$ 
> 
> ~$ ls /sys/bus/usb/drivers/usb/
> 1-1  1-1.5  1-1.6  1-1.7  1-1.8  bind  module  uevent  unbind  usb1  usb2  
> usb3
> :~$ 
> 
> :~$ echo '2-2' | sudo tee /sys/bus/usb/drivers/usb/bind 
> 2-2
> tee: /sys/bus/usb/drivers/usb/bind: No device
> :~$ 
> 
> :~$ upower --dump
> Device: /org/freedesktop/UPower/devices/line_power_ACAD
>    native-path:          ACAD
>    power supply:         yes
>    updated:              qui 22 fev 2024 13:23:50 (182 seconds ago)
>    has history:          no
>    has statistics:       no
>    line-power
>      warning-level:       none
>      online:              no
>      icon-name:          'ac-adapter-symbolic'
> 
> Device: /org/freedesktop/UPower/devices/battery_BAT1
>    native-path:          BAT1
>    vendor:               SANYO
>    model:                DELL WYT3M94Q
>    serial:               0038
>    power supply:         yes
>    updated:              qui 22 fev 2024 13:26:31 (21 seconds ago)
>    has history:          yes
>    has statistics:       yes
>    battery
>      present:             yes
>      rechargeable:        yes
>      state:               discharging
>      warning-level:       none
>      energy:              23,9982 Wh
>      energy-empty:        0 Wh
>      energy-full:         36,4857 Wh
>      energy-full-design:  59,94 Wh
>      energy-rate:         30,0588 W
>      voltage:             10,916 V
>      charge-cycles:       N/A
>      time to empty:       47,9 minutes
>      percentage:          65%
>      capacity:            60,8704%
>      technology:          lithium-ion
>      icon-name:          'battery-full-symbolic'
>    History (charge):
>      1708619191       65,000  discharging
>      1708619161       66,000  discharging
>      1708619101       67,000  discharging
>    History (rate):
>      1708619101       30,059  discharging
> 
> Device: /org/freedesktop/UPower/devices/DisplayDevice
>    power supply:         yes
>    updated:              qui 22 fev 2024 13:26:31 (21 seconds ago)
>    has history:          no
>    has statistics:       no
>    battery
>      present:             yes
>      state:               discharging
>      warning-level:       none
>      energy:              23,9982 Wh
>      energy-full:         36,4857 Wh
>      energy-rate:         30,0588 W
>      charge-cycles:       N/A
>      time to empty:       47,9 minutes
>      percentage:          65%
>      icon-name:          'battery-full-symbolic'
> 
> Daemon:
>    daemon-version:  1.90.2
>    on-battery:      yes
>    lid-is-closed:   no
>    lid-is-present:  yes
>    critical-action: HybridSleep
> :~$
> 
> Any other suggestions? It seems to me that it's not related to power, 
> however, what is the specific list for energy-related issues?
> 
> My first post on the list is at:
> 
> https://lists.debian.org/debian-user/2024/01/msg01192.html
> 
> Thank you very much.
> 
> 


Reply via email to