On Tue, 12 Apr 2011 01:13:30 +0200 richard -rw- weinberger wrote: > >   Here we have BUG_ON in lookup_inline_extent_backref+0x2dc/0x3f0, but that pesky > >   hard_handler. Is it an UML bug or known and expected behaviour? > > Can you please test the attached patch? > The trace was broken long before I started working on UML. Attached the BUG backtrace for a crash without and with patch. Patched one looks great! The minor nit is Kbuild does not detect headers change, so I had to 'make clean' build dir first. Thanks! -- Sergei