firefox 3.5 pulseaudio crash

[Kevin Downey]

run output:

kpd circe ~% firefox3
E: mutex-posix.c: Assertion 'pthread_mutexattr_settype(&attr,
PTHREAD_MUTEX_RECURSIVE) == 0' failed at pulsecore/mutex-posix.c:52,
function pa_mutex_new(). Aborting.
Abort trap
zsh: exit 134   firefox3
kpd circe ~%

ls -la Makefile
-rw-r--r--  1 root  wheel  4118 Jul  3 06:38 /usr/ports/www/firefox35/Makefile

problem occured while starting firefox,
happens everytime on the two machinse I have tried to run firefox3.5 on

kpd circe ~% uname -a
FreeBSD circe.nexus.lan 8.0-CURRENT FreeBSD 8.0-CURRENT #18: Mon Jun
22 21:57:50 PDT 2009
root at circe.nexus.lan:/usr/obj/usr/src/sys/CIRCE8  i386
kpd circe ~%

kpd eskarina ~% uname -a
FreeBSD eskarina.nexus.lan 7.2-STABLE FreeBSD 7.2-STABLE #20: Mon May
11 13:41:09 PDT 2009
root at eskarina.nexus.lan:/usr/obj/usr/src/sys/ES  i386
kpd eskarina ~%


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And what is not good—
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