Packages requiring Xorg "BackingStore" "true"

Alexander Larsson alexl at
Wed Sep 11 10:32:24 UTC 2013

On ons, 2013-09-11 at 12:16 +0200, Sandro Mani wrote:
> Hello,
> Some time ago I've packaged Xfoil, Avl and Xrotor (which are popular 
> codes for foil/fluid-dynamics related computations), but I never ended 
> up posting a package review for one reason: the plot window of those 
> programs needs "BackingStore" "true" set in xorg.conf, or otherwise the 
> contents of the plot windows will disappear as soon as something else 
> covers the window. Now, this is not a terribly huge blocker, in the 
> sense that the package basically also works without the setting, but 
> still, it is not pretty. Hence I wonder on possible approaches to pursue:

It probably works without backingstore on most modern desktops anyway
since they use compositing managers which doesn't throw away non-visible
window content.

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