Ok, installed these two debs from http://kernel.ubuntu.com/~kernel-
ppa/mainline/drm-intel-nightly/current/
linux-headers-3.14.0-994-generic_3.14.0-994.201404150253_amd64.deb
linux-image-3.14.0-994-generic_3.14.0-994.201404150253_amd64.deb
I actually had error during the installation (see attached
"kernel_install_error.txt")
Nevertheless, I rebooted and 3.14 kernel is available from grub menu and
I booted with that kernel, here is what I got:
* build-in mini-DP port (DP1) still works at 2560x1600 (see attached
"xrandr_dp1.txt")
* DP port from the Onelink Pro dock (DP2) works at 2560x1600 now. Yeah!! (see
attached "xrandr_dp2.txt")
* However, my laptop display is always dark, even though it shows "on" from
"Displays" settings. It actually flashed once and then turned dark when it's
turned on. Even when I reboot the laptop without any external monitor, it's
still dark.
To summary, looks like the latest "3.14.0-994.201404150253" kernel fixed
the issue with the external monitor on the onelink pro dock, but had
another bug with my new X1 Carbon touch's build-in display.
(Why I cannot attach multiple files in one comment? I will add two more
attachments in the following comments.)
** Attachment added: "kernel_install_errors.txt"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1307623/+attachment/4084734/+files/kernel_install_errors.txt
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https://bugs.launchpad.net/bugs/1307623
Title:
new X1 Carbon 2014 + Onelink Pro dock + 30inch monitor: no native
resolution
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