Missing HID-drivers in initramfs for a keyboard like hid_microsoft leads to problems that you can't enter a disk-password during boot or so. The bug was fixed in the past (#1245449, #1229650) but seems to have reappeared in some of the recent kernels in F23. I'm currently running 4.2.6-301.fc23.x86_64. Manually adding a add_drivers="..." to /etc/dracut.conf and rebuilding the initramfs makes it work again.
What is the output of: $ modprobe --dry-run --show-depends hid_microsoft
insmod /lib/modules/4.2.6-301.fc23.x86_64/kernel/drivers/hid/hid-microsoft.ko.xz
(In reply to Stefan Neufeind from comment #2) > insmod > /lib/modules/4.2.6-301.fc23.x86_64/kernel/drivers/hid/hid-microsoft.ko.xz Hmm, in F23 dracut includes all modules in "drivers/hid". Care to post the output of: # dracut --debug --force /var/tmp/test.img # lsinitrd /var/tmp/test.img # rm -f /var/tmp/test.img
Created attachment 1103652 [details] dracut debug-output as requested in comment #3
I've commented out the manual add-drivers-line from dracut.conf before running this, of course. It looks like hid-microsoft would be pulled in? Could that possibly be because my current kernel has that module (and it is in active use)?
(In reply to Stefan Neufeind from comment #5) > I've commented out the manual add-drivers-line from dracut.conf before > running this, of course. It looks like hid-microsoft would be pulled in? > Could that possibly be because my current kernel has that module (and it is > in active use)? Exactly. The "hostonly" mode pulls in only modules, which are in use, to keep the initramfs size small. If you don't want that, install the "dracut-config-generic" package to generate hardware independent initramfs images.
Well, for a limited range of drivers having them always might make sense? Like for keyboards in this case. To my understanding the linked issues show that there was a change in that direction in the past. From one update to another those drivers were included. If I see things correct for me the problem re-occured when I used a laptop undocked (no Microsoft-keyboard connected), updated the kernel and then tried to use it docked again booting up without opening the laptop (external keyboard connected). That's my only explanation how during generation of a new initramfs the keyboard was not connected and therefor the driver not automatically pulled in.
(In reply to Stefan Neufeind from comment #7) > Well, for a limited range of drivers having them always might make sense? > Like for keyboards in this case. To my understanding the linked issues show > that there was a change in that direction in the past. From one update to > another those drivers were included. > > If I see things correct for me the problem re-occured when I used a laptop > undocked (no Microsoft-keyboard connected), updated the kernel and then > tried to use it docked again booting up without opening the laptop (external > keyboard connected). That's my only explanation how during generation of a > new initramfs the keyboard was not connected and therefor the driver not > automatically pulled in. good point! will change
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