Strange GHC/STM behaviour

Simon Marlow marlowsd at
Tue Mar 16 10:37:29 EDT 2010

On 16/03/2010 14:34, Michael Lesniak wrote:
> Hello Simon,
>> I reproduced the deadlock, and it looks like a new one: a lock order
>> reversal between Schedule.c:checkBlackHoles() and RtsAPI.c:rts_unlock().  It
>> turns out I've already fixed it in the HEAD as a side effect of some other
>> improvements, so I'm going to try to bring those into the 6.12.2 branch.
> Great! Thanks!

Oh, and I found a bug in the parallel GC too.  Nice example.


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