Public bug reported:
This is a new model laptop and some of the battery statuses are not
recognised by the kernel, this means there is no charge control as
charge_control_start_threshold, charge_control_end_threshold and
charge_types are missing.
from tlp;
sudo tlp-stat -b
--- TLP 1.8.0 --------------------------------------------
+++ Battery Care
Plugin: dell
Supported features: none available
Driver usage:
natacpi (dell_laptop) = inactive (laptop not supported)
+++ Battery Status: BAT0
/sys/class/power_supply/BAT0/manufacturer = SMP-HPT4.559
/sys/class/power_supply/BAT0/model_name = DELL RG0NJ686
/sys/class/power_supply/BAT0/cycle_count = 1
/sys/class/power_supply/BAT0/energy_full_design = 52000 [mWh]
/sys/class/power_supply/BAT0/energy_full = 52010 [mWh]
/sys/class/power_supply/BAT0/energy_now = 28580 [mWh]
/sys/class/power_supply/BAT0/power_now = 0 [mW]
/sys/class/power_supply/BAT0/status = Not charging
Also
$ cat /sys/class/power_supply/BAT0/charge_control_end_threshold
cat: /sys/class/power_supply/BAT0/charge_control_end_threshold: No such device
or address
$ cat /sys/class/power_supply/BAT0/charge_control_start_threshold
cat: /sys/class/power_supply/BAT0/charge_control_start_threshold: No such
device or address
Can we please add this in so charging control works?
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-31-generic 7.0.0-31.31
ProcVersionSignature: Ubuntu 7.0.0-31.31-generic 7.0.14
Uname: Linux 7.0.0-31-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pcb 4183 F.... pipewire
pcb 4190 F.... wireplumber
/dev/snd/pcmC0D2p: pcb 4183 F...m pipewire
/dev/snd/seq: pcb 4183 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Sep 19 18:33:18 2026
InstallationDate: Installed on 2026-07-11 (70 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 003: ID 0bda:55bc Realtek Semiconductor Corp.
Integrated_Webcam_FHD
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: Dell Inc. XPS 13 DX13260
ProcFB: 0 xedrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-31-generic
root=UUID=cf954ac9-57b2-4458-a3c0-2991677c94c6 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/16/2026
dmi.bios.release: 5.3
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.6.0
dmi.board.name: 07F8Y7
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 1.6.0
dmi.ec.firmware.release: 1.5
dmi.modalias:
dmi:bvnDellInc.:bvr1.6.0:bd07/16/2026:br5.3:efr1.5:svnDellInc.:pnXPS13DX13260:pvr1.6.0:rvnDellInc.:rn07F8Y7:rvrA06:cvnDellInc.:ct10:cvr1.6.0:sku0E54:pfaXPS:
dmi.product.family: XPS
dmi.product.name: XPS 13 DX13260
dmi.product.sku: 0E54
dmi.product.version: 1.6.0
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Summary changed:
- On a new XPS laptop there is battery charge control is missing
+ On a new XPS laptop battery charge control is missing
** Description changed:
This is a new model laptop and some of the battery statuses are not
recognised by the kernel, this means there is no charge control as
charge_control_start_threshold, charge_control_end_threshold and
charge_types are missing.
-
- # System Details Report
- ---
-
- ## Report details
- - **Date generated:** 2026-09-19 11:59:37
-
- ## Hardware Information:
- - **Hardware Model:** Dell Inc. XPS 13 DX13260
- - **Memory:** 16.0 GiB
- - **Processor:** Intel® Core™ Ultra 7 355 ×
8
- - **Graphics:** Intel® Graphics (PTL)
- - **Disk Capacity:** 512.1 GB
-
- ## Software Information:
- - **Firmware Version:** 1.6.0
- - **OS Name:** Ubuntu 26.04.1 LTS
- - **OS Build:** (null)
- - **OS Type:** 64-bit
- - **GNOME Version:** 50
- - **Windowing System:** Wayland
- - **Kernel Version:** Linux 7.0.0-31-generic
from tlp;
sudo tlp-stat -b
--- TLP 1.8.0 --------------------------------------------
+++ Battery Care
Plugin: dell
Supported features: none available
Driver usage:
- natacpi (dell_laptop) = inactive (laptop not supported)
+ natacpi (dell_laptop) = inactive (laptop not supported)
+++ Battery Status: BAT0
/sys/class/power_supply/BAT0/manufacturer = SMP-HPT4.559
/sys/class/power_supply/BAT0/model_name = DELL RG0NJ686
/sys/class/power_supply/BAT0/cycle_count = 1
/sys/class/power_supply/BAT0/energy_full_design = 52000 [mWh]
/sys/class/power_supply/BAT0/energy_full = 52010 [mWh]
/sys/class/power_supply/BAT0/energy_now = 28580 [mWh]
/sys/class/power_supply/BAT0/power_now = 0 [mW]
/sys/class/power_supply/BAT0/status = Not charging
Also
- $ cat /sys/class/power_supply/BAT0/charge_control_end_threshold
+ $ cat /sys/class/power_supply/BAT0/charge_control_end_threshold
cat: /sys/class/power_supply/BAT0/charge_control_end_threshold: No such
device or address
- $ cat /sys/class/power_supply/BAT0/charge_control_start_threshold
+ $ cat /sys/class/power_supply/BAT0/charge_control_start_threshold
cat: /sys/class/power_supply/BAT0/charge_control_start_threshold: No such
device or address
- Can we please add this in some charging control works?
+ Can we please add this in so charging control works?
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-31-generic 7.0.0-31.31
ProcVersionSignature: Ubuntu 7.0.0-31.31-generic 7.0.14
Uname: Linux 7.0.0-31-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: pcb 4183 F.... pipewire
- pcb 4190 F.... wireplumber
- /dev/snd/pcmC0D2p: pcb 4183 F...m pipewire
- /dev/snd/seq: pcb 4183 F.... pipewire
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: pcb 4183 F.... pipewire
+ pcb 4190 F.... wireplumber
+ /dev/snd/pcmC0D2p: pcb 4183 F...m pipewire
+ /dev/snd/seq: pcb 4183 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Sep 19 18:33:18 2026
InstallationDate: Installed on 2026-07-11 (70 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64
(20260423.1)
Lsusb:
- Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
- Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
- Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
- Bus 003 Device 003: ID 0bda:55bc Realtek Semiconductor Corp.
Integrated_Webcam_FHD
- Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+ Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ Bus 003 Device 003: ID 0bda:55bc Realtek Semiconductor Corp.
Integrated_Webcam_FHD
+ Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: Dell Inc. XPS 13 DX13260
ProcFB: 0 xedrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-31-generic
root=UUID=cf954ac9-57b2-4458-a3c0-2991677c94c6 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/16/2026
dmi.bios.release: 5.3
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.6.0
dmi.board.name: 07F8Y7
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 1.6.0
dmi.ec.firmware.release: 1.5
dmi.modalias:
dmi:bvnDellInc.:bvr1.6.0:bd07/16/2026:br5.3:efr1.5:svnDellInc.:pnXPS13DX13260:pvr1.6.0:rvnDellInc.:rn07F8Y7:rvrA06:cvnDellInc.:ct10:cvr1.6.0:sku0E54:pfaXPS:
dmi.product.family: XPS
dmi.product.name: XPS 13 DX13260
dmi.product.sku: 0E54
dmi.product.version: 1.6.0
dmi.sys.vendor: Dell Inc.
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https://bugs.launchpad.net/bugs/2167763
Title:
On a new XPS laptop battery charge control is missing
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