From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.bugs Subject: bug#10655: [2.0.3+] =?UTF-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fhook=E2=80=99?= called during thread startup leads to SIGSEGV Date: Mon, 30 Jan 2012 16:33:42 +0100 Message-ID: <87mx95w6g9.fsf@pobox.com> References: <87y5spxlcg.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1327937704 3935 80.91.229.3 (30 Jan 2012 15:35:04 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 30 Jan 2012 15:35:04 +0000 (UTC) Cc: 10655@debbugs.gnu.org To: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=) Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Mon Jan 30 16:35:03 2012 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RrtG2-0003hV-8B for guile-bugs@m.gmane.org; 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c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type:content-transfer-encoding; q=dns; s=sasl; b=v678wW za+VVPuPPoXpbv+Zjmpbroo9jGp3IpA/AJ6usUcFNi2RKSc9SNZnC22qPSMFFCRA AuchiTLfp4jFAIaXnFCm475QFuVjnT3/F3UV8Gys99PCLIgugqXhuYO9WGKKlwn2 x4oB5B+TrPEKEMdLQBjKOB1b9Rera9dtab/tY= Original-Received: from a-pb-sasl-sd.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 8578496B4; Mon, 30 Jan 2012 10:33:46 -0500 (EST) Original-Received: from badger (unknown [85.50.103.218]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTPSA id C49F296B3; Mon, 30 Jan 2012 10:33:45 -0500 (EST) In-Reply-To: <87y5spxlcg.fsf@gnu.org> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Mon, 30 Jan 2012 16:26:39 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) X-Pobox-Relay-ID: CC499DD0-4B57-11E1-9CFE-65B1DE995924-02397024!a-pb-sasl-sd.pobox.com 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 (newer, 2) 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:6114 Archived-At: On Mon 30 Jan 2012 16:26, ludo@gnu.org (Ludovic Court=C3=A8s) writes: > #0 queue_after_gc_hook (hook_data=3D, fn_data=3D, > data=3D) at gc.c:737 > #1 0x00007f236ea0518c in scm_c_hook_run (hook=3D0x7f236ed00a10, data=3D0= x0) at hooks.c:103 > #2 0x00007f236e729951 in GC_notify_full_gc (stop_func=3D0x7f236e728e00 <= GC_never_stop_func>) > at alloc.c:334 > #3 GC_try_to_collect_inner (stop_func=3D0x7f236e728e00 ) at alloc.c:429 > #4 GC_try_to_collect_inner (stop_func=3D0x7f236e728e00 ) at alloc.c:410 > #5 0x00007f236e72a65e in GC_collect_or_expand (needed_blocks=3D1, ignore= _off_page=3D0, > retry=3D) at alloc.c:1215 > #6 0x00007f236e72a7c6 in GC_allocobj (gran=3D42, kind=3D1) at alloc.c:13= 02 > #7 0x00007f236e72f61a in GC_generic_malloc_inner (lb=3D664, k=3D1) at ma= lloc.c:121 > #8 0x00007f236e739aff in GC_new_thread (id=3D139790027667200) at pthread= _support.c:478 > #9 0x00007f236e739fb7 in GC_register_my_thread_inner (sb=3D0x7f2366f12ed= 0, > my_pthread=3D) at pthread_support.c:1358 > #10 0x00007f236e73a167 in GC_start_rtn_prepare_thread (pstart=3D0x7f2366f= 12eb0, > pstart_arg=3D0x7f2366f12eb8, sb=3D0x7f2366f12ed0, arg=3D0x2aa1fc0) at= pthread_support.c:1449 > #11 0x00007f236e739993 in GC_inner_start_routine (sb=3D, > arg=3D) at pthread_start.c:50 > #12 0x00007f236e7348d5 in GC_call_with_stack_base (fn=3D, > arg=3D) at misc.c:1535 > #13 0x00007f236e504cec in start_thread () > from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/libp= thread.so.0 > #14 0x00007f236d0111ed in clone () > from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/libc= .so.6 > > The problems seems to be that the after-gc-hook runs while the thread is > being created and not yet a full-blown Guile thread. Interesting. I'll see what I can do. A --=20 http://wingolog.org/