[Bug 1646277] Re: Xenial desktop 16.04.x will have a black screen after PXE installation

[Joseph Salisbury]

Thanks for testing.  The bug will only be fixed if the commit in
mainline that fixes the bug was also cc'd to stable.

We should probably perform a "Reverse" kernel bisect to identify the
exact commit that fixes the bug.  Then we will know if it in fact was
cc'd to stable.  If it was not, we can request it in stable and SRU it
to Ubuntu.

We first need to identify the last bad kernel and first good one.  Can
you test the v4.9-rc1 kernel to try and narrow the affect versions down
further.  It can be downloaded from:

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9-rc1/

If v4.9-rc1 is also good, we would want to test 4.8 final.  If it is
bad, we would want to test some of the newere 4.9 release candidates.

Thanks in advance!

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https://bugs.launchpad.net/bugs/1646277

Title:
  Xenial desktop 16.04.x will have a black screen after PXE installation

Status in debian-installer package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Triaged
Status in debian-installer source package in Xenial:
  New
Status in linux source package in Xenial:
  Triaged

Bug description:
  The display will keep black screen after install 16.04.x via PXE(need
  use "Ctrl+Alt+F1" to change to terminal 1, then can see text mode
  screen)

  Quanta team is installing Xenial server using PXE boot.   After the
  installation, the console will show a black screen.   Hitting ctl-
  alt-f1 displays the text mode screen OK.

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