ubuntu-x-swat team mailing list archive

[Bryce Harrington <868684@xxxxxxxxxxxxxxxxxx>]

Looks likely to be this.

gnome-settings-daemon (3.2.0-0ubuntu4) oneiric; urgency=low
  * debian/patches/00git_dont_sleep_on_idle_by_default.patch:
    - Don't sleep on idle by default (LP: #860485)
  * debian/patches/00git_dont_revert_pre_idle_brigthness.patch:
    - Do not revert to the pre-idle brightness if idle dimming is disabled
  * debian/patches/50_add_dell_backlight.patch:
    - Add 'dell_backlight' module to gsd-backlight-helper (LP: #862474)

That's the only thing that changed on the 3rd/4th that looks relevant.
No X or kernel packages changed; there was one change to compiz but it
looks innocuous.  So, probably a regression g-s-d.

If you find the issue is still reproducible with current oneiric, you
could maybe try downgrading to 3.2.0-0ubuntu3, and/or back out each of
the changes to see which caused the vblank problem.

** Package changed: xserver-xorg-video-intel (Ubuntu) => gnome-settings-
daemon (Ubuntu)

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https://bugs.launchpad.net/bugs/868684

Title:
  vblank counter failed - screen hung

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