From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Linas Vepstas Newsgroups: gmane.lisp.guile.devel Subject: Re: Now crashing [was Re: guile-2.9.2 and threading Date: Wed, 7 Aug 2019 11:05:47 -0500 Message-ID: References: <87h892ault.fsf@netris.org> <87k1cgwo20.fsf@netris.org> <87pnlj8ozv.fsf@netris.org> Reply-To: linasvepstas@gmail.com Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="000000000000efb81f058f891d09" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="68675"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Guile Development To: Mark H Weaver Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Wed Aug 07 18:06:25 2019 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hvOSG-000Hi6-4r for guile-devel@m.gmane.org; Wed, 07 Aug 2019 18:06:24 +0200 Original-Received: from localhost ([::1]:43242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvOSF-0006Iy-6t for guile-devel@m.gmane.org; Wed, 07 Aug 2019 12:06:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38263) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvORy-0006HY-J3 for guile-devel@gnu.org; Wed, 07 Aug 2019 12:06:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hvORx-00038R-27 for guile-devel@gnu.org; Wed, 07 Aug 2019 12:06:06 -0400 Original-Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]:46696) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hvORv-00030Y-T2 for guile-devel@gnu.org; Wed, 07 Aug 2019 12:06:05 -0400 Original-Received: by mail-lf1-x12c.google.com with SMTP id z15so60172277lfh.13 for ; Wed, 07 Aug 2019 09:06:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=wdKzZ5gPGh2EAXBhrxoP2Ym9yNPFhfbkgyxv+dog3Tc=; b=tSa9q3qnTOBniiXuqK0w8LUqlOBVIreekY8sca9nqrqCMW7Gwlr9Gam9hzxjvSbpTy 2K5rigNJM7MVQQtw9KoJ+mWDXDylse79vlyD4PJ+dSbpprdfnfq+Xmi6Ig2dfo2Bhv+B IMLLB/X5FHy4L55n4ssOoum2j3L4hVheuh6Yfuqbrvjp03ms1DiOqP6eImH2c//Ef7CG CGE2rY2WH+Pf8drvVLI6XMKXrzdvFJ3kVvGK9lrneuLDS2bm0GLqoLFBCNr+Cnj3J8yu cg5RNNl3/tkj9ZLgMtE4qyjTMdHnlzjLdjTlI3DaChHZiX2bR7Hnmq3Xe3lt73khhRBU HDWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=wdKzZ5gPGh2EAXBhrxoP2Ym9yNPFhfbkgyxv+dog3Tc=; b=s9GlqMpMG+JN/t0X46s3WgY722q5RssxXL7xgYaHn2glhf5zN5zHL/vbuh0dWxRa8V 8+OhNFF3TapRWgdL16X4w7uMCRLc69ZAaRi2tKddgYaWg5ghSp2ZwGpqYBvTcXqo7/sZ e85E+J2W0U3mxfU+cOZM22rEa5SzXrnwWQVKnANJG/LkdHryfXIR6Cn7Z7ezp2ojnfYN zMPQz/IcaAFYEtpIqlU/VBPviURO30RA1FZxf4rVCaxJ7Fh8dHxT+MsCLcYS3BVkXhfX 1+guVR8j3in60pbUq5K9WaFEcKIS+CO59Uy4NgWXl3ip8V6Q+fv3t0+NgTxCUNVyAryr rqVQ== X-Gm-Message-State: APjAAAW+K+oQBoShFyGBMxVDlx9ugQjmcQcyN2Vc9faTSgnG4L0+6iel U7Ve7ImaO7sqaxQdQZrJY4lzbPmh02OEzmoFNqk= X-Google-Smtp-Source: APXvYqwDunKPaFy+BZCFFsmWSX9DbwSQXpfb1Q/RglNQ65mC7MjXFr7kEyql0B3pUBhW3agJTEWq9YMgMjzZruc6EjA= X-Received: by 2002:ac2:5104:: with SMTP id q4mr6588415lfb.56.1565193959092; Wed, 07 Aug 2019 09:05:59 -0700 (PDT) In-Reply-To: <87pnlj8ozv.fsf@netris.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::12c X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Original-Sender: "guile-devel" Xref: news.gmane.org gmane.lisp.guile.devel:20037 Archived-At: --000000000000efb81f058f891d09 Content-Type: text/plain; charset="UTF-8" I will ponder how to do that, it will take at least several weeks; I'll file it through the normal guile bug report system. -- linas On Mon, Aug 5, 2019 at 1:07 PM Mark H Weaver wrote: > Hi Linas, > > Linas Vepstas writes: > > However -- if one does call `scm_error` fairly rapidly, from multiple > > threads, one will eventually hit a race condition and get a crash. > > If you could produce a small, self-contained example demonstrating this, > it would enable us to investigate further. > > Thanks, > Mark > -- cassette tapes - analog TV - film cameras - you --000000000000efb81f058f891d09 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I will ponder how to do that, it will take at least severa= l weeks; I'll file it through the normal guile bug report system. -- li= nas

On Mon, Aug 5, 2019 at 1:07 PM Mark H Weaver <mhw@netris.org> wrote:
Hi Linas,

Linas Vepstas <linasvepstas@gmail.com> writes:
> However -- if one does call `scm_error` fairly rapidly, from multiple<= br> > threads, one will eventually hit a race condition and get a crash.

If you could produce a small, self-contained example demonstrating this, it would enable us to investigate further.

=C2=A0 =C2=A0 =C2=A0 Thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Mark


--
cassette tapes - analog TV - film cameras = - you
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