mmap failures in KPixmapCache

[David Nolden]

Am Mittwoch 18 November 2009 18:21:34 schrieb Parker Coates:
> Hello folks,
> 
> Last night I updated to kde-qt master, and kdelibs trunk. Now this
> morning, KPixmapCache is producing warnings like the following
> 
> kpat(4633): mmap failed for
> "/var/tmp/kdecache-trunk-parker/kdecache-parker/kpc/kde-icon-cache.index"
> kpat(4633): mmap failed for
> "/var/tmp/kdecache-trunk-parker/kdecache-parker/kpc/kdegames-cards_Ancient
> Egyptians.index"
> kpat(4633): mmap failed for
> "/var/tmp/kdecache-trunk-parker/kdecache-parker/kpc/kdegames-cards_Tristan.
> index" kpat(4633): mmap failed for
> "/var/tmp/kdecache-trunk-parker/kdecache-parker/kpc/kpat-cache.index"
> 
> and nothing is being cached. We rely pretty heavily on KPixmapCache in
> KDEGames, so the performance of our games is terrible at the moment.
> 
> Is anyone else seeing this issue? Does anyone know what might have
> caused the breakage?
> 
> Parker
> 
I've seen a similar issue in KDevelop, where suddenly every mmap seems to 
fail. I think the reason is the updated Qt-4.6 snapshot, that I've installed 
through the OpenSUSE build service. It must be somewhere upstream, as the pure 
"QFile::map(..)" is failing.

Greetings, David