Comment 5 for bug 1362333

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Martin Wimpress  (flexiondotorg) wrote : Re: After reboot of Ubuntu Gnome installation, password for LVM encryption is not accepted

I have been experiencing this issue for weeks, ever since plumouth 0.9.0 landed. I've discussed it with Alan Pope and Steve Langasek. I've just tried installing stock Ubuntu 14.10 Beta 2 desktop i386 on the following systems and selected full disk encryption on all of them during the install:

  * Thinkpad T43p (ATI/AMD graphics chipset, open source driver) - On reboot my pass phrase is not accepted.
  * Thinkpad X61s (Intel graphics chipset, open source driver) - On reboot I can enter my pass phrase.
  * VirtualBox Guest (no virtualbox-guest-* modules installed) - On reboot my pass phrase is not accepted.

Therefore I suspect this issue is in someway releated to the graphics driver. The following bug raised against Plymouth also describes the same issue.

  * https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1359689

The other concern is users running 14.04 with full disk encrpytion and who then upgrade to 14.10 could effectively brick their computer.