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[Bug 1514711] Re: Installer doesn't include ast GPU driver for OpenPower machines

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Jeremy Kerr <jk@xxxxxxxxxx>
Date: Mon, 01 Feb 2016 00:09:15 -0000
Reply-to: Bug 1514711 <1514711@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

@henrix: I'll need some help with testing this; it's not like we can
just boot into the new kernel directlyb. We'll chase this up with
#ubuntu-devel.

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https://bugs.launchpad.net/bugs/1514711

Title:
  Installer doesn't include ast GPU driver for OpenPower machines

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Vivid:
  Fix Committed
Status in linux source package in Wily:
  Fix Committed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  When booting the Ubuntu 14.03.4 installer on an OpenPower machine with
  a VGA monitor attached, we see no output - the only installer output
  is over the physical UART (or SOL session).

  Petitboot is displayed over both VGA and UART, but not the installer
  UI.

  It seems like the ast GPU driver isn't present on the installer image
  (but is present for the non-installer kernels), which is required for
  graphics output on these machines.

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