On 15 Sep 2006, at 13:50, Andreas Höschler wrote:
Hi all,
we have discovered a very ugly Sun Ray Software related problem
which causes the display not to be updated correctly, e.g. when
popping up a combobox and scrolling through the items, or when
scrolling through a text view or when clicking on items in a
container view (actually NSView sublcasses on some other NSView
subclass). "Display is not updated correctly" means that some
stuff simply is not drawn.
This problem can't be Solaris related since it does not occur when
we access the machine via Secure Global Desktop or directly on the
console. It occurs only when using Sun Rays.
We haven't been able to reproduce this with GNOME apps, it occurs
only with GNUstep apps. But I can't blame GNUstep alone, since it
works flawless on all flavors of Unix and even on Solaris when
working on the console or via a SGD connection. The problem only
occurs in combination with Sun Rays.
Any hints are greatly appreciated!
Richard Frith-Macdonald recommended the following:
Is the problem with both the art and xlib backends?
Is it with both GSX11HandlesWindowDecorations user default set to
1 and 0 ?
Is it with both XWindowBufferUseXShm user default set to 1 and 0?
Checking those variations could localise the problem.
and
defaults write NSGlobalDomain XWindowBufferUseXShm 0
indeed solved this problem. Live is great!!!
Well that might means the problem is due to a bug I presumably either
introduced or exposed when fixing various problems with coordinate
conversion recently (see bug #17717). Though possibly it's a sharted
memory probem entirely separate to that.
The problem with fixing #17717 is that I'm utterly unable to
reproduce the problem on my system ... so if someone out there can
reliably reproduce it, I would be very grateful if they could at
least pin down the exact svn revision it started occurring at ...
that would narrow down the search a bit.
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