From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Mike Gran Newsgroups: gmane.lisp.guile.bugs Subject: bug#13611: SEGV during SMOB GC Date: Tue, 5 Feb 2013 20:56:18 -0800 (PST) Message-ID: <1360126578.13840.YahooMailNeo@web120401.mail.ne1.yahoo.com> References: <1359838300.89158.YahooMailNeo@web120405.mail.ne1.yahoo.com> <87y5f3t6o8.fsf@gnu.org> <1360081788.3781.YahooMailNeo@web120406.mail.ne1.yahoo.com> <876226sogd.fsf@gnu.org> <1360083888.57707.YahooMailNeo@web120402.mail.ne1.yahoo.com> <87a9rih3bu.fsf@gnu.org> Reply-To: Mike Gran NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1360126613 20750 80.91.229.3 (6 Feb 2013 04:56:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Feb 2013 04:56:53 +0000 (UTC) Cc: "13611@debbugs.gnu.org" <13611@debbugs.gnu.org> To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Wed Feb 06 05:57:13 2013 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1U2x4J-0005Np-P2 for guile-bugs@m.gmane.org; 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Tue, 05 Feb 2013 20:56:18 PST X-Rocket-MIMEInfo: 001.001, PiBGcm9tOiBMdWRvdmljIENvdXJ0w6hzIDxsdWRvQGdudS5vcmc.Cgo.Pj4gIEnigJltIGNvbmZpZGVudCB0aGF0IHRoZSBTTU9CIG1hcmsgcHJvY2VkdXJlIGlzIG5ldmVyIGNhbGxlZCB3aXRoIG51bGwKPj4.ICBzY21faV9jdXJyZW50X3RocmVhZCB3aXRoIDcuMiBjb21waWxlZCB3aXRoIHRoZSBkZWZhdWx0IG9wdGlvbnMgKHRoZQo.Pj4gIEdudVRMUyBiaW5kaW5ncyByZWx5IG9uIHRoaXMsIGFuZCBJIGhhZCBub3Qgc2VlbiBhbnkgc3VjaCByZXBvcnQgdW50aWwKPj4.ICBzb21lb25lIHRyaWVkIHdpdGgBMAEBAQE- X-Mailer: YahooMailWebService/0.8.132.503 In-Reply-To: <87a9rih3bu.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.bugs:6740 Archived-At: > From: Ludovic Court=C3=A8s =0A=0A>>> I=E2=80=99m confident= that the SMOB mark procedure is never called with null=0A>>> scm_i_curren= t_thread with 7.2 compiled with the default options (the=0A>>> GnuTLS bind= ings rely on this, and I had not seen any such report until=0A>>> someone = tried with GC 7.3pre, which uses the parallel marker by=0A>>> default.)=0A= >> =0A>> It looks like fedora gc rpms do use --enable-parallel-mark=0A>> = for x86 architectures.=0A> =0A> Then that=E2=80=99s the problem.=0A> =0A>> = But it looks like it has been that way for a long time.=0A>> Since 2005 a= t least.=0A> =0A> And you did not have the problem before?=C2=A0 That part = of Guile hasn=E2=80=99t=0A> changed in a long time, I think.=0A=0AI have a = different box than before: more cores.=0A=0AWell, I guess that, for my libr= aries, I can make a preprocessor conditional=0Aon SCM_MAJOR_VERSION =3D=3D = 2 to eliminate all smob marking for guile-2.x.=0A=0ACould parallel marking = have other, non-SMOB-related, side effects?=0AI can disable it by setting t= he envirnomnent variable GC_MARKERS to 1.=0A=0AThanks,=0A=0AMike=0A