Nice analysis, btw. I think you found the problem. I'll replace the timed wait
by a simple wait...
> Am 23.10.2015 um 11:22 schrieb Yann Ylavic <ylavic....@gmail.com>:
>
> On Fri, Oct 23, 2015 at 11:18 AM, Yann Ylavic <ylavic....@gmail.com> wrote:
>>
>> Index: modules/http2/h2_mplx.c
>> ===================================================================
>> --- modules/http2/h2_mplx.c (revision 1710105)
>> +++ modules/http2/h2_mplx.c (working copy)
>> @@ -143,12 +143,18 @@ static void reference(h2_mplx *m)
>> apr_atomic_inc32(&m->refs);
>> }
>>
>> -static void release(h2_mplx *m)
>> +static void release(h2_mplx *m, int lock)
>> {
>> if (!apr_atomic_dec32(&m->refs)) {
>> + if (lock) {
>> + apr_thread_mutex_lock(m->lock);
>> + }
>> if (m->join_wait) {
>> apr_thread_cond_signal(m->join_wait);
>> }
>> + if (lock) {
>> + apr_thread_mutex_lock(m->unlock);
>
> We'd rather unlock here :)
>
>> + }
>> }
>> }
