[bug #39350] USB Keyboard does not work with EFI Bios

[Ales Nesrsta]

Follow-up Comment #1, bug #39350 (project grub):

Hi,

first question:
Does the sentence "I've built the latest Grub2 from source..." mean that You
build GRUB2 from latest revision in BZR repository?

If it doesn't, try build GRUB2 from BZR trunk branch first (To get the latest
trunk revision You can use e.g. "bzr branch
http://bzr.savannah.gnu.org/r/grub/trunk/grub/";).


Second:
As I see, You have built GRUB2 image with "... uhci Ohci" but in grub.cfg You
used insmod uhci, insmod Ehci. It doesn't match...

Try in both places combinations "ehci uhci" or "ehci ohci" or only "ehci".


Third:
If it is possible ( if You can run some Linux on this tablet, e.g. some Live
distribution or SystemRescueCD from
http://www.sysresccd.org/SystemRescueCd_Homepage ), send here output of:
lspci -vvv
lsusb -vvv

If You cannot run any Linux on this tablet, send at least some detailed
output/export of e.g. Windows System Information (or whatever similar utility
exist in Windows 8, I don't know it...) - it is necessary to know which USB
controller(s) and hub(s) is (are) used inside.

BR,
Ales

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