ubuntu-x-swat team mailing list archive

[Bryce Harrington <702090@xxxxxxxxxxxxxxxxxx>]

Fwiw, after hearing from upstream and chatting with apw, it seems this
bug (or rather, class of bugs) is due to vesafb being present during
boot.  As I gather from apw, this is believed to need to be loaded
because of plymouth and/or for fallback if kms/drm doesn't load or isn't
available, however it is unclear if that workaround is still required in
natty, which suggests some experimentation may be in order.

Anyway, from these discussions it sounds like this is entirely a kernel-
side bug, however I'm going to leave the xorg task open on this for a
bit longer just to make it a bit easier for us to keep track of progress
with it.  We'll drop off once it's more clear what exactly is wrong.

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https://bugs.launchpad.net/bugs/702090

Title:
  i965gm  GPU lockup if vesafb is left loaded (EIR: 0x00000010 PGTBL_ER:
  0x00000100) - *ERROR* EIR stuck: 0x00000010, masking