On Friday 05 August 2005 22:04, Ingo Molnar wrote: > * Dominik Karall <[email protected]> wrote: > > With FRAME_POINTERS enabled: > > > > BUG: mono[3193] exited with nonzero preempt_count 1! > > --------------------------- > > > > | preempt count: 00000001 ] > > | 1 level deep critical section nesting: > > > > ---------------------------------------- > > .. [<ffffffff80400a46>] .... _spin_lock+0x16/0x80 > > .....[<ffffffff801ed30c>] .. ( <= sys_semtimedop+0x28c/0x7c0) > > thanks. It seems semundo->lock somehow leaked. One possibility would be > of semundo->refcount going from 2 to 1 while another thread has it > locked. I dont see what prevents this scenario from happening. To test > this theory, could you apply the patch below, which will do semundo > locking not conditional on the refcount - does it fix the bug? yeah! it works, great job! :) dominik
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- Re: [patch] preempt-trace.patch (mono preempt-trace)
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