On 15/03/2010 22:03, Simon Marlow wrote:
On 15/03/10 16:02, Michael Lesniak wrote:
Hello Simon,
with 6.12.1.20100313 the behaviour is worse: even when using $! in the
appropiate lines (see [2] in my original message) the programs hangs
quite often. Hence, 6.12.1 works better in this (special?) case.
Ok, I'll look into it, thanks for the report.
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.
Cheers,
Simon
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