Date: Tue, 28 Jun 2011 17:58:03 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: KOT MATPOCKuH <matpockuh@gmail.com> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: named crashes on assertion in rbtdb.c o? sparc64/SMP Message-ID: <20110628155802.GA26562@alchemy.franken.de> In-Reply-To: <BANLkTi=NRoyo_J-y5cA4LVJOXWaQMHE0sw@mail.gmail.com> References: <BANLkTi=NRoyo_J-y5cA4LVJOXWaQMHE0sw@mail.gmail.com>
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On Mon, Jun 27, 2011 at 07:19:33PM +0400, KOT MATPOCKuH wrote: > Hello! > > I'm got a problem with named on FreeBSD-CURRENT/sparc64. > Up to 5 times a day it crashes with these messages: > 27-Jun-2011 03:42:14.384 general: > /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/rbtdb.c:1614: > REQUIRE(prev > 0) failed > 27-Jun-2011 03:42:14.385 general: exiting (due to assertion failure) > > The problem is still in latest system's bind: > # named -v > BIND 9.6.-ESV-R4-P1 > > This problem exists only on SMP sparc64 system. On my another sparc64, > with 1 processor, I does not have this problem. > > I found a some similar problems on alpha and IA64, which was related > to problems with isc_atomic_xadd() function in include/isc/atomic.h. > But I don't understand that there may be incorrect for sparc64 and > this function was not changed for a minimum 4 years... > > How can I help solve this problem? > Uhm, we once fixed a problem in the MD atomic implementation which still seems to present in the ISC copy. Could you please test whether the following patch makes a difference? http://people.freebsd.org/~marius/sparc64_isc_atomic.h.diff Marius
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