Date: Wed, 19 Oct 2005 14:10:43 -0500 From: Philip Kizer <pckizer@nostrum.com> To: freebsd-current@freebsd.org Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: Problem remains with FreeBSD 6.0-RC1 as seen in RELENG_5 Message-ID: <F2F56E4C-3E31-48C0-A202-9EC21BF4CF2E@nostrum.com> In-Reply-To: <200510191423.42922.jhb@freebsd.org> References: <200510191623.j9JGNSfr007356@magus.nostrum.com> <200510191304.28422.jhb@freebsd.org> <20051019184900.R60849@fledge.watson.org> <200510191423.42922.jhb@freebsd.org>
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> After it panic'd early in the boot because hptlock wasn't in the > spinlock > order list. :) > Also, Philip, INVARIANTS requires INVARIANT_SUPPORT, which is why > you had the > error with _sx_assert(). Ah, I saw that, but was trying to get something out before a (very) early weekend out with family, so I apologize for not following up on INVARIANT_SUPPORT before posting...I have a kernel with those compiling right now. On Wednesday 19 October 2005 01:49 pm, Robert Watson wrote: > Could I have you try the following DDB commands also: > show alllocks > traceall > > It's possible that 'traceall' isn't present in RC1, in which case it > will be present in RC2. Regardless, the output of "show alllocks" > would be helpful. > > I'll read some code this evening and ponder. On Wed, 19 Oct 2005, John Baldwin wrote: > He'll need witness for 'show alllocks' but that will require having > the > 'hptlock' spin mutex added to witness' spin lock order. Also, the > psuedo-rw lock phk created for filedesc isn't witness checked since it > isn't a mutex or sx lock, and it maybe that there is a reversal > involving that lock, but it will be tricky to tell if that is the > case. I'll watch for the change that will allow me to compile with WITNESS and post an update as soon as I can with the extra debug data. Thank you both for your rapid replies, Philip
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