kern/52436: apache crashes on 8.0-beta-amd64, eating mutexes

[htodd%i8u.org@localhost]

>Number:         52436
>Category:       kern
>Synopsis:       apache crashes on 8.0-beta-amd64, eating mutexes
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 27 14:35:00 +0000 2017
>Originator:     Hisashi T Fujinaka <htodd%twofifty.com@localhost>
>Release:        NetBSD 8.0_BETA
>Organization:
>Environment:
	
	
System: NetBSD chris.i8u.org 8.0_BETA NetBSD 8.0_BETA (CHRIS) #155: Wed Jul 26 06:11:33 PDT 2017 htodd%chris.i8u.org@localhost:/usr/obj/amd64/sys/arch/amd64/compile/CHRIS amd64
Architecture: x86_64
Machine: amd64
>Description:
This could be a pkg issue, but the apache (from pkgsrc) can't be restarted because of a lack of resources (no shared memory available).

Backtrace is limited because of lack of symbols:
(gdb) bt
#0  0x000070cb4d605663 in ?? ()
#1  0x000070cb4c603ce5 in ?? () from /usr/pkg/lib/php/20160303/zlib.so
#2  0x000070cb6124bae0 in ?? ()
#3  0x000070cb4c607af9 in _fini () from /usr/pkg/lib/php/20160303/zlib.so
#4  0x0000000000000000 in ?? ()

I can rebuild with symbols if you can tell me how.
>How-To-Repeat:
Mostly just running apache on an 8.0-beta-amd64 system.
	
>Fix:
Yes please
	

>Unformatted: