Nevermind, I just noticed that I had /proc/sys/vm/swappiness set to 0 which apparently was OK in 2.6.10, but triggers the OOM killer in 2.6.11. Leaving the swappiness value at the default 60 gives you a perfectly usable system. Please close this bug.
Sorry for the trouble, Georg -- Georg Wittenburg http://page.mi.fu-berlin.de/~wittenbu/
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