tiomap-dev team mailing list archive

[Vincent Stehlé <v-stehle@xxxxxx>]

I added maverick-proposed and tried linux-image-2.6.35-903-omap4 version
2.6.35-903.20 on a Panda. It works fine, I can run Unity on a 1080p
monitor with no issue (i.e. no black screen).

Note that the "black screen" can still be obtained "on purpose" with
'x11perf -copywinwin500' even under the recovery console, though. In
which case you need to do a CTRL-ALT-F1 / ALT-F8 "switch" to get the
display back.

V.

-- 
You received this bug notification because you are a member of TI OMAP
Developers, which is a subscriber of a duplicate bug (655746).
https://bugs.launchpad.net/bugs/653002

Title:
  omapdss DISPC error: GFX_FIFO_UNDERFLOW, disabling GFX

Status in “linux-ti-omap4” package in Ubuntu:
  In Progress
Status in “linux-ti-omap4” source package in Maverick:
  Fix Committed
Status in “linux-ti-omap4” source package in Natty:
  In Progress

Bug description:
  Platform: Panda board, 8 layers.
Processor: TI OMAP4

Symptom:  The screen will go black randomly - even when there is activity - and doesn't come back.  The following output can be found on the serial console (when enabled) and the log file:

 [  404.169006] omapdss DISPC error: GFX_FIFO_UNDERFLOW, disabling GFX

To recover the screen, change to another console and get back to tty7: CTRL + ALT + F1 followed by CTRL + ALT + F7

This is a known problem that is currently being addressed by TI.