Reported by Nikolaus Schaller, Oct 16, 2013

> when diplay is powered on, it sometimes turns white and dmesg 
gives an 
error:

> [ 1662.260650] omapdss APPLY error: cannot set timings for lcd: 
manager needs 
to be disabled
> [ 1662.260681] omapdss APPLY error: cannot apply lcd config for 
lcd: manager 
needs to be disabled

I have not seen this in my tests, so we will have to wait for other 
reports.
Which OS are you using and is it related to some user space 
activity?

It was already discussed by Neil with the omapdss maintainers a 
while ago:

http://comments.gmane.org/gmane.linux.ports.arm.omap/98664 (last 
posting there)

but as far as I can see not solved.