2009/2/20 Thomas Nikolajsen (via DragonFly issue tracker) > (kgdb) frame 18 > #18 0xc01fff05 in spec_close (ap=0xe8d8b9a8) at /usr/src/sys/vfs/specfs/ > spec_vnops.c:740 > 740 error = dev_dclose(dev, ap->a_fflag, S_IFCHR); > (kgdb) print p > $1 = (struct proc *) 0xe8f0d218 > (kgdb) print p->p_session > There is no member named p_session.
Sorry I forgot that p_session is a macro. > (kgdb) print p->p_pgrp > $2 = (struct pgrp *) 0xe9167ec0 > (kgdb) print p->p_pgrp->pg_session > $3 = (struct session *) 0xd3ba1a60 > (kgdb) print p->p_pgrp->pg_session->s_ttyvp > $4 = (struct vnode *) 0x0 Cool. That's consistent with my hypothesis. I reckon it was nullified when executing the body of the 2nd if statement in spec_close(). I'll fix it tonight. Thanks a lot. Nicolas
