Re: fix for kmthread hangs

2014-06-18 Thread Mark Patruck
This fixes the dpb hangs i've seen over the last few weeks. Several hours of extensive testing today and still not a single issue. Thanks, -Mark -- Mark Patruck ( mark at wrapped.cx ) GPG key 0xF2865E51 / 187F F6D3 EE04 1DCE 1C74 F644 0D3C F66F F286 5E51 http://www.wrapped.cx

fix for kmthread hangs

2014-06-15 Thread Ted Unangst
Recently, i386 (but specifically not amd64) machines have been observed to hang in kmthread. Probably caused (exposed) by an earlier change to add preemption in a few places. The diff below is believed to at least partially address the problem by having kmthread wait at least one time through, inst