On Thursday 01 September 2005 11:52 pm, Don Lewis wrote: > On 1 Sep, John Baldwin wrote: > > This patch forces witness to complain if any mutex is held when Giant is > > locked to enforce Giant being the first mutex in the lock order. This > > might help track down some of the network LORs being reported recently. > > > > http://www.FreeBSD.org/~jhb/patches/witness.patch > > I think it would make sense to print different messages for the > different trigger conditions. Hmm, I guess I view them as all just being reversals, and that we have some implicit orders that go something like this: sleepable locks --> Giant --> non-sleepable locks --> spin locks -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Fri Sep 02 2005 - 16:51:11 UTC
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