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From Brian Pane <>
Subject Re: Event MPM: Spinning on cleanups?
Date Mon, 05 Dec 2005 18:30:18 GMT
William A. Rowe, Jr. wrote:

> Paul Querna wrote:
>> Best guess is that we corrupted a bucket brigade by double freeing it,
>> or something of that kind.  This is definitely a new behavior since the
>> async-write code was merged into trunk.
>> It is odd that we could of double-free'ed something on the connection
>> pool. Maybe it isn't a double-free issue at all...
> My other thought comes down to the thread locking.  Perhaps we are 
> looking
> at an issue of two threads touching the per-thread non-locking allocator
> at once?  The reason I suspect is that it -seems- your process ended up
> with a linked block list with a cyclic loop.

That might well be the problem, since the thread that frees the brigade
isn't necessarily the same thread that allocated it.  I'll take a look 
at the
code later today.


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