Date: Wed, 29 Jun 2011 15:41:40 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: KOT MATPOCKuH <matpockuh@gmail.com>, dougb@freebsd.org Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: named crashes on assertion in rbtdb.c on sparc64/SMP Message-ID: <20110629134140.GF14797@alchemy.franken.de> In-Reply-To: <BANLkTi=_PP=tvLUbXiTE1DT4tMirLRUY%2Bw@mail.gmail.com> References: <BANLkTinMimzfdK0Y4otZegGvztwo-yA4EA@mail.gmail.com> <BANLkTi=_PP=tvLUbXiTE1DT4tMirLRUY%2Bw@mail.gmail.com>
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On Wed, Jun 29, 2011 at 02:33:06PM +0400, KOT MATPOCKuH wrote: > 2011/6/29 KOT MATPOCKuH <matpockuh@gmail.com>: > >>> 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) > > > >>> 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... > >> 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 > > > I ran named with your patch and and watching him. > Omg. > Or I incorrectly rebuilt named, or the problem is not solved. > I got a crash after about 2 hours after named restarted: > 29-Jun-2011 13:51:28.855 general: > /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/rbtdb.c:1614: > REQUIRE(prev > 0) failed > 29-Jun-2011 13:51:28.856 general: exiting (due to assertion failure) > The remainder of the isc atomic.h looks fine though, so this likely is a general bug in BIND, especially if it didn't happen before BIND 9.6.-ESV-R4-P1. Doug should be able to help you. Doug, could you please nevertheless take care of getting the above patch into BIND? It's a merge of r148453. Marius
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