[Bug 2063109] Re: Plymouth uses the text-based boot screen on some machines, sometimes

[Daniel van Vugt]

> It should always be able to use simpledrm after that 8 seconds in the
worst case.

Actually that's not necessarily true. There could be a race if i915 (or
whatever) takes close to 8 seconds to load. If Plymouth gives up waiting
because that's at the timeout then it will usually try to use simpledrm.
But if i915 is also loading at the same time then it may have deleted
simpledrm (/dev/dri/card0) and prevent Plymouth from using the graphics
device it had chosen.

If we can prove such a race exists then Plymouth could be modified to
try /dev/dri/card1 in the case that /dev/dri/card0 has been deleted by
the driver of card1.

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https://bugs.launchpad.net/bugs/2063109

Title:
  Plymouth uses the text-based boot screen on some machines, sometimes

Status in plymouth package in Ubuntu:
  Confirmed

Bug description:
  On several flavors (I have confirmed Ubuntu Unity and Lubuntu thus
  far), if the machine does not have much resources, it falls back to
  the text-based Plymouth boot screen.

  Steps to reproduce:
   - Find a machine with 1 core and 2 GB of RAM, a virtual machine will do.
   - Boot up a live ISO of Lubuntu or Ubuntu Unity.

  Expected result: the appropriate graphical splash screen is shown.
  Actual result: Only the text-based splash screen for Plymouth is shown.

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