Hi ...

Now that my X1C are working I am quite happy about it, and now I am 
looking at the details.

When I boot the laptop (Debian Jessie + 3.14rc7 + Shuduo's patch) I end 
up in a blank screen, the only way to get anywhere is to suspend it and 
resume, and then i have a beautiful login screen, and the laptop works 
nicely until next reboot.

In the dmesg i get the following remarks :

[    1.605320] thinkpad_acpi: ThinkPad BIOS GRET32WW (1.09 ), EC unknown
[    1.605322] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 2nd, model 
20A7005LMD
[    1.607060] thinkpad_acpi: Unsupported brightness interface, please 
contact ibm-acpi-devel@lists.sourceforge.net
[    1.607142] thinkpad_acpi: unknown version of the HKEY interface: 0x200
[    1.607198] thinkpad_acpi: please report this to 
ibm-acpi-devel@lists.sourceforge.net

I know the HKEY problem is worked on, but could the "brightness 
interface" problem be related to the blank screen after boot problem ?

/BL

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