Am 13.07.23 um 06:14 schrieb Undef:
Package: systemd Version: 253.5-1 Severity: important X-Debbugs-Cc: debian@undef.toolsDear Maintainer, On upgrade to systemd 253.5-1 the USB modem on my Librem5 stopped working. This also occurs on 252.11-1 (testing) but not on 252.6-1 (stable) or 253-3 (previously available in unstable. This only seems to happen in a very specific configuration: * Librem5 * Booting from eMMC * Using full disk encryption * Using an on-screen keyboard such as osk-sdl to unlock the device. Digging into the issue, it seems I can trigger it by adding an initramfs script which will run `udevadm settle` in the initramfs. This itself doesn't remove the USB device, but later in the boot the device will disappear.
Since this is hardware specific, my recommendation would be, that you run a git bisect (between 252.6 and 252.11) to find the commit which is causing this issue for you.
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