Tested on Noble ubuntu@TRK4-DVT2-C2:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 24.04.3 LTS Release: 24.04 Codename: noble ubuntu@TRK4-DVT2-C2:~$ lsusb -d 413c:8217 Bus 004 Device 002: ID 413c:8217 Dell Computer Corp. DW5826e-eSIM Qualcomm Snapdragon X12 Global LTE-A ubuntu@TRK4-DVT2-C2:~$ cat /sys/bus/usb/devices/4-1/idVendor 413c ubuntu@TRK4-DVT2-C2:~$ cat /sys/bus/usb/devices/4-1/idProduct 8217 ubuntu@TRK4-DVT2-C2:~$ cat /sys/bus/usb/devices/4-1/power/control on ubuntu@TRK4-DVT2-C2:~$ sudo apt install systemd-hwe-hwdb -y Reading package lists... Done Building dependency tree... Done Reading state information... Done The following packages were automatically installed and are no longer required: libgl1-amber-dri libglapi-amber libllvm19 linux-headers-6.11.0-1011-oem linux-headers-6.11.0-1012-oem linux-headers-oem-24.04b linux-image-6.11.0-1011-oem linux-image-6.11.0-1012-oem linux-image-oem-24.04b linux-modules-6.11.0-1011-oem linux-modules-6.11.0-1012-oem linux-modules-ipu6-6.11.0-1012-oem linux-modules-usbio-6.11.0-1012-oem linux-modules-vision-6.11.0-1012-oem linux-oem-6.11-headers-6.11.0-1011 linux-oem-6.11-headers-6.11.0-1012 linux-oem-6.11-tools-6.11.0-1011 linux-oem-6.11-tools-6.11.0-1012 linux-tools-6.11.0-1011-oem linux-tools-6.11.0-1012-oem Use 'sudo apt autoremove' to remove them. The following packages will be upgraded: systemd-hwe-hwdb 1 upgraded, 0 newly installed, 0 to remove and 69 not upgraded. Need to get 3,684 B of archives. After this operation, 1,024 B of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu noble-proposed/main amd64 systemd-hwe-hwdb all 255.1.6 [3,684 B] Fetched 3,684 B in 1s (5,947 B/s) (Reading database ... 413121 files and directories currently installed.) Preparing to unpack .../systemd-hwe-hwdb_255.1.6_all.deb ... Unpacking systemd-hwe-hwdb (255.1.6) over (255.1.5) ... Setting up systemd-hwe-hwdb (255.1.6) ... Processing triggers for udev (255.4-1ubuntu8.11) ... ubuntu@TRK4-DVT2-C2:~$ apt policy systemd-hwe-hwdb systemd-hwe-hwdb: Installed: 255.1.6 Candidate: 255.1.6 Version table: *** 255.1.6 500 500 http://archive.ubuntu.com/ubuntu noble-proposed/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu noble-proposed/main i386 Packages 100 /var/lib/dpkg/status 255.1.5 500 500 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu noble-updates/main i386 Packages 255.1.3 500 500 http://archive.ubuntu.com/ubuntu noble/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu noble/main i386 Packages ubuntu@TRK4-DVT2-C2:~$ sudo reboot
ubuntu@TRK4-DVT2-C2:~$ cat /sys/bus/usb/devices/4-1/power/control auto -- You received this bug notification because you are a member of Debcrafters packages, which is subscribed to systemd-hwe in Ubuntu. https://bugs.launchpad.net/bugs/2126468 Title: Add Dell DW5826e WWAN modem to autosuspend Status in OEM Priority Project: New Status in systemd-hwe package in Ubuntu: Fix Released Status in systemd-hwe source package in Noble: Fix Committed Status in systemd-hwe source package in Plucky: Fix Committed Status in systemd-hwe source package in Questing: Fix Released Bug description: [ Impact ] * Systems with Dell DW5826e WWAN modems currently cannot benefit from USB autosuspend power management, preventing the processor from reaching deeper PC# states when the modem is idle. * Backporting upstream patch [1] that adds rules in hwdb.d/60-autosuspend.hwdb for Dell DW5826e WWAN modem [ Test Plan ] * DUT: Platform with Dell DW5826e WWAN modem $ lsusb -d 413c:8217 Bus 004 Device 002: ID 413c:8217 Dell Computer Corp. DW5826e-eSIM Qualcomm Snapdragon X12 Global LTE-A $ cat /sys/bus/usb/devices/4-1/idVendor 413c $ cat /sys/bus/usb/devices/4-1/idProduct 8217 1. Confirm autosuspend is not enabled before patch and is set to "on" in power/control $ cat /sys/bus/usb/devices/4-1/power/control on 2. Install patch 3. Autosuspend is enabled, namely, set to "auto" in power/control $ cat power/control auto [ Where problems could occur ] * The modem might experience connection instability or fail to wake up properly from suspend. [ Other Info ] * [1] 60-autosuspend.hwdb: Add Dell DW5826e WWAN modem to autosuspend: https://github.com/systemd/systemd/pull/38685 To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2126468/+subscriptions -- Mailing list: https://launchpad.net/~debcrafters-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~debcrafters-packages More help : https://help.launchpad.net/ListHelp

