Public bug reported:
After upgrade from 14.04 to 14.10 it became impossible to enter
passphrase for LUKS root partition in graphical dialogue. Ctrl-Alt-
Delete worked fro rebooting and on the second boot the text mode came up
and the passphrase could be entered.
Now after upgrade to 15.04 I no longer can reboot in the graphical mode
with Ctrl-Alt-Delete with my wireless logitech keyboard. I managed to
find old wired USB keyboard that behaves exactly the same as the the
wireless was in 14.10. No input in graphical mode but rebooting is
possible, text mode works fine.
In fact, I was hoping that upgrade to 15.04 will solve the problem but
it got worse.
I have tried adding modules hid_generic, hid-logitech, hid-logitech-dj to
module list for initrd as suggested by different bug reporst. No change there.
I have tried changing BIOS settings but only disabling Legacy USB option made
grub boot menu unresponsive.
Both keyboards are working fine once the system is fully booted.
I have noticed that when the boot goes to text mode the wired keyboard
is unresponsive for a short period in the passphrase dialogue and comes
to live after flashing its lights (probably some driver is loaded behind
the scene?).
** Affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: boot cryptsetup luks
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https://bugs.launchpad.net/bugs/1455769
Title:
cannot enter cryptsetup passphrase with wireless keyboard
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