[Bug 78507] [hsw dp]No native resolution 2560x1600 on Lenovo Onelink Pro DisplayPort and X1 Carbon 2014

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78507

--- Comment #11 from Chunlei Wu <anewgene+freedesktop at gmail.com> ---
Created attachment 105898
  --> https://bugs.freedesktop.org/attachment.cgi?id=105898&action=edit
20140907_dkms_i915_make.log

Hello,

I have tried the latest v3.17rc4 upstream kernels from
http://kernel.ubuntu.com/~kernel-ppa/mainline/ (under v3.17-rc4-utopic folder,
"3.17.0-031700rc4_3.17.0-031700rc4.201409071935")

during the installation, I got multiple errors like this:

>Error! Bad return status for module build on kernel: 3.17.0-031700rc4-generic (x86_64)
>Consult /var/lib/dkms/i915-3.15-3.13/0.01/build/make.log for more information.
>Error! Bad return status for module build on kernel: 3.17.0-031700rc4-generic (x86_64)
>Consult /var/lib/dkms/virtualbox/4.3.10/build/make.log for more information.

See attached 20140907_dkms_i915_make.log file. 

Despite the erros, installation went through, and I can reboot OK without
OneLink Pro connected. However, if I boot with OneLink Pro connected, I cannot
boot into my normal gdm login screen, it goes to terminal directly. See
attached 20140908_dmesg_debug_DP2_3.17rc4.log .

I also tried the latest kernels from drm-intel-daily and drm-intel-next, I got
the same results.

drm-intel-daily/3.17.0-994_3.17.0-994.201409042205d 
drm-intel-next/3.16.0-997_3.16.0-997.201408270257


Anything else I can help to debug this issue? Thanks.

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