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[Josep Vicenç Moragues <josepvm@xxxxxxxxxx>]

I'm using an Acer C720P with Ubuntu Gnome 14.10 (with Gnome updated to
3.14 from PPA) and mainstream kernel 3.18 installed, getting this way
touchpad and touchscreen working.

I have been experiencing also a long delay durin boot time, as described
here.

After setting:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash tpm_tis.force=1"

the delay is gone, Ubuntu boots normally, both with 3.18 mainstream
kernel and Utopic stock kernel 3.16 (with this stock kernel touchpad and
touchscreen do not work, I need to use a USB mouse)

I use "quiet" and "splash" on the GRUB line to boot in the "normal"
Ubuntu way, without seeing all the kernel boot messages. It's a cosmetic
only question.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1308264

Title:
  Ubuntu 14.04 Beta 2 stuck at "Switched to clocksource tsc" when
  booting up, then resumes booting to the login screen, after 1 minute

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  On Ubuntu 14.04 Beta 2 (Final Beta), it takes remarkebly long to boot up into Ubuntu.  Ubuntu gets stuck at "Switched to clocksource tsc" for a almost 1 minute or longer, then it resumes booting up to the login screen.  On Ubuntu 13.10 it only takes about 7 seconds to get to the login screen, while it takes almost more than a minute to get on the login screen on Ubuntu 14.04 Beta 2. I hope this issue could be fixed.
   
  I have the Acer C720 (chromebook) that has been enabled to use legacy boot so I can use other OS's.  Other Acer C720 users have been faceing the same problem also.

  Video of Boot
  https://www.youtube.com/watch?v=PVkFTsEzS80

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