r262690 ia64: fatal kernel trap: Page Not Present: comm = automoc4

Got the same trap twice in a row.
Both times triggered by building
one of these moc related ports
in poudriere:

02	www/webkit-qt4	configure
03	www/webkit-gtk2	build
04	sysutils/qzeitgeist	build

01	www/webkit-qt4	configure
02	www/webkit-gtk2	configure
03	multimedia/gstreamer1-libav	build
04	sysutils/qzeitgeist	build

db> show msgbuf    
msgbufp = 0xe0000040fffbdfb8
magic = 63062, size = 98232, r= 14587, w = 14922, ptr = 0xe0000040fffa6000, cksum= 1131957

fatal kernel trap (cpu 0):

    trap vector = 0x14 (Page Not Present)
    cr.iip      = 0x9ffc000000508600
    cr.ipsr     = 0x10080a6018 (ac,mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=0)
    cr.isr      = 0x400000000 (code=0,vector=0,r,ei=0)
    cr.ifa      = 0x2b00669
    curthread   = 0xe0000040708a7b00
        pid = 63114, comm = automoc4

http://www.freebsd.org/cgi/query-pr.cgi?pr=187816

Any advice?

Thanks

Anton