panic at reboot - assertion: vp->v_lock.lk_exclusivecount == 1 in vgone_inte rlocked
Using 1.8.0-RELEASE of I get this panic when rebooting after updating(*) dfly.
* cvsup, make world & kernel; making VKERNEL end installworld to FS on vn(4);
/usr/src, /usr/obj on nfs other FS on ufs.
I have seen his crash for a few weeks, but had problems getting (.old) kernel w/ symbols.