Any chance of giving some info about how your PF is used, that I might
set up a similar box in the hope of reproducing it?


On Thu, 2008-07-03 at 09:20 -0400, Wade, Daniel wrote:
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> > Behalf Of Henning Brauer
> > Sent: Thursday, July 03, 2008 9:04 AM
> > To: [email protected]
> > Subject: Re: Kernel Panic on AMD64 24 June snapshot
> >
> > * Insan Praja SW <[EMAIL PROTECTED]> [2008-06-24 18:32]:
> > > Hi Misc@,
> > > I currently caught a kernel panic that says:
> > > uvm_fault(0xffffffff 80b7b0e0, 0x0, 0, 1) -> e
> > > kernel : page fault trap, code=0
> > > Stopped at  pf_state_tree_RB_REMOVE_COLOR + 0x1C0: cmpl
> > $0x1,0x40(%rsi)
> > > ddb {0}> trace
> >
> > this problem has been reported by a few people, but so far we're
> > unable
> > to track it down or even reproduce. it would help enourmously if we
> > knew WHEN this was introduced. so if someone who can reproduce this
> > can
> > compile kernels going backwards day by day (cvs -D) and then
> > ideally even
> > spot the commit that introduced it, that would help a LOT. yes, it
> > is a
> > lot of work :(
> >
> > in short, it seems some element of the pf state table (which is an
> > RB
> > tree, pf_state_tree) gets freed or overwritten before being removed
> > from the RB tree, or something tries to remove it before it was
> > inserted. Ryan and I have been reading the code up and down without
> > being able to spot such a case yet.
> >
> > --
> > Henning Brauer, [EMAIL PROTECTED], [EMAIL PROTECTED]
> > BS Web Services, http://bsws.de
> > Full-Service ISP - Secure Hosting, Mail and DNS Services
> > Dedicated Servers, Rootservers, Application Hosting - Hamburg &
> > Amsterdam
> 
> 
> I hit this with OpenBSD 4.3-current (GENERIC) #935: Sun Jun 15 19:31:26 MDT
> 2008
> 
> So at least that far back

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