From unknown Sat Jun 21 10:30:30 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#10655 <10655@debbugs.gnu.org> To: bug#10655 <10655@debbugs.gnu.org> Subject: Status: [2.0.3+] =?UTF-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fhook=E2=80=99?= called during thread startup leads to SIGSEGV Reply-To: bug#10655 <10655@debbugs.gnu.org> Date: Sat, 21 Jun 2025 17:30:30 +0000 retitle 10655 [2.0.3+] =E2=80=98queue_after_gc_hook=E2=80=99 called during = thread startup leads to SIGSEGV reassign 10655 guile submitter 10655 ludo@gnu.org (Ludovic Court=C3=A8s) severity 10655 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 30 10:27:14 2012 Received: (at submit) by debbugs.gnu.org; 30 Jan 2012 15:27:14 +0000 Received: from localhost ([127.0.0.1]:45319 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rrt8T-0004m2-Ch for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:27:14 -0500 Received: from eggs.gnu.org ([140.186.70.92]:36908) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rrt8Q-0004lp-LK for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:27:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rrt85-0003z0-Ah for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:26:55 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.2 Received: from lists.gnu.org ([140.186.70.17]:41109) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rrt85-0003yv-8f for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:26:49 -0500 Received: from eggs.gnu.org ([140.186.70.92]:55126) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rrt83-0000x5-V8 for bug-guile@gnu.org; Mon, 30 Jan 2012 10:26:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rrt7x-0003xA-NM for bug-guile@gnu.org; Mon, 30 Jan 2012 10:26:47 -0500 Received: from mail4-relais-sop.national.inria.fr ([192.134.164.105]:45970) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rrt7x-0003x3-9D for bug-guile@gnu.org; Mon, 30 Jan 2012 10:26:41 -0500 X-IronPort-AV: E=Sophos;i="4.71,592,1320620400"; d="scan'208";a="129421071" Received: from unknown (HELO pluto) ([193.50.110.167]) by mail4-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 30 Jan 2012 16:26:39 +0100 From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) To: bug-guile@gnu.org Subject: [2.0.3+] =?utf-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fhook=E2=80=99?= called during thread startup leads to SIGSEGV X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 11 =?iso-8859-1?Q?Pluvi=F4se?= an 220 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu Date: Mon, 30 Jan 2012 16:26:39 +0100 Message-ID: <87y5spxlcg.fsf@gnu.org> User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 140.186.70.17 X-Spam-Score: -4.2 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.2 (----) Hi! I=E2=80=99ve just captured the following backtrace on x86_64-linux-gnu (with v2.0.3-212-g2f3e436): --8<---------------cut here---------------start------------->8--- Core was generated by `/home/ludo/soft/bin/guile -e (@@ (guild) main) -s /h= ome/ludo/soft/bin/guile-too'.=20 Program terminated with signal 11, Segmentation fault. #0 queue_after_gc_hook (hook_data=3D, fn_data=3D, data=3D) at gc.c:737 737 SCM_SETCDR (after_gc_async_cell, t->active_asyncs); (gdb) thread apply all bt Thread 2 (Thread 27824): #0 0x00007f236e50b930 in sem_wait () from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/libpth= read.so.0 #1 0x00007f236e73abe8 in GC_pthread_create (new_thread=3D0x7fff1406fce8, a= ttr=3D0x0, start_routine=3D0x7f236ea5aa10 , arg=3D0x7fff1406fc60) at= pthread_support.c:1582 #2 0x00007f236ea5b71c in scm_spawn_thread (body=3D, body_data=3D, handler=3D0x7f236ea5da90 , handler_data=3D0x7f236ea9bb48) at threads.c:1125 #3 0x00007f236ea37f61 in start_signal_delivery_thread () at scmsigs.c:208 #4 0x00007f236e50ac83 in pthread_once () from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/libpth= read.so.0 #5 0x00007f236ea3814a in scm_sigaction_for_thread (signum=3D, handler=3D0x6, flags=3D0x904, thread=3D0x23bae40) at scmsigs.c:338 #6 0x00007f236ea39216 in scm_system_star (args=3D) at= simpos.c:133 #7 0x00007f236ea71e4b in vm_regular_engine (vm=3D0x2441740, program=3D0x24= cfa20, argv=3D0x24458c8, nargs=3D-1) at vm-i-system.c:892 #8 0x00007f236e9eb9b3 in scm_primitive_eval (exp=3D0x2a98340) at eval.c:639 #9 0x00007f236ea0deab in scm_primitive_load (filename=3D) at load.c:131 #10 0x00007f236ea0e316 in scm_primitive_load_path (args=3D) at load.c:954 #11 0x00007f236ea71e4b in vm_regular_engine (vm=3D0x2441740, program=3D0x29= bd820, argv=3D0x24452f0, nargs=3D-1) at vm-i-system.c:892 #12 0x00007f236ea0e4a8 in scm_primitive_load_path (args=3D) at load.c:913 #13 0x00007f236ea71e4b in vm_regular_engine (vm=3D0x2441740, program=3D0x29= afa20, argv=3D0x2445020, nargs=3D-1) at vm-i-system.c:892 #14 0x00007f236ea0e4a8 in scm_primitive_load_path (args=3D) at load.c:913 #15 0x00007f236ea71e4b in vm_regular_engine (vm=3D0x2441740, program=3D0x29= 955e0, argv=3D0x2444d50, nargs=3D-1) at vm-i-system.c:892 #16 0x00007f236ea0e4a8 in scm_primitive_load_path (args=3D) at load.c:913 #17 0x00007f236ea71e4b in vm_regular_engine (vm=3D0x2441740, program=3D0x24= cfa20, argv=3D0x2444a80, nargs=3D-1) at vm-i-system.c:892 #18 0x00007f236e9eb9b3 in scm_primitive_eval (exp=3D0x260e790) at eval.c:639 #19 0x00007f236e9eba13 in scm_eval (exp=3D0x260e790, module_or_state=3D0x25= f1d80) at eval.c:673 #20 0x00007f236ea390cf in scm_shell (argc=3D17, argv=3D0x7fff140712e8) at s= cript.c:441 #21 0x00007f236ea0814d in invoke_main_func (body_data=3D0x7fff140711d0) at = init.c:336 #22 0x00007f236e9e221a in c_body (d=3D0x7fff14071120) at continuations.c:512 #23 0x00007f236ea71eea in vm_regular_engine (vm=3D0x2441740, program=3D0x25= 2ea50, argv=3D0x24440c0, nargs=3D-1) at vm-i-system.c:960 #24 0x00007f236e9eb683 in scm_call_4 (proc=3D0x252ea50, arg1=3D, arg2=3D, arg3=3D, arg4=3D) at eval.c:506 #25 0x00007f236e9e2a03 in scm_i_with_continuation_barrier (body=3D0x7f236e9= e2210 , body_data=3D0x7fff14071120, handler=3D0x7f236e9e25e0 , handl= er_data=3D0x7fff14071120, pre_unwind_handler=3D, pre_unwind_handler_data=3D<= value optimized out>) at continuations.c:450 #26 0x00007f236e9e2ab5 in scm_c_with_continuation_barrier (func=3D, data=3D) at continuations.c:546 #27 0x00007f236ea5ae2a in with_guile_and_parent (base=3D0x7fff14071180, dat= a=3D) at threads.c:902 #28 0x00007f236e7348d5 in GC_call_with_stack_base (fn=3D, arg=3D) at misc.c:1535 #29 0x00007f236ea5afd8 in scm_i_with_guile_and_parent (func=3D, data=3D) at threads.c:945 #30 scm_with_guile (func=3D, data=3D) at threads.c:951 #31 0x00007f236ea08255 in scm_boot_guile (argc=3D, arg= v=3D, main_func=3D, closure=3D) at = init.c:319 #32 0x0000000000400b3a in main (argc=3D, argv=3D) at guile.c:71 Thread 1 (Thread 27825): #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=3D0x0= ) at hooks.c:103 #2 0x00007f236e729951 in GC_notify_full_gc (stop_func=3D0x7f236e728e00 ) 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_o= ff_page=3D0, retry=3D) at alloc.c:1215 #6 0x00007f236e72a7c6 in GC_allocobj (gran=3D42, kind=3D1) at alloc.c:1302 #7 0x00007f236e72f61a in GC_generic_malloc_inner (lb=3D664, k=3D1) at mall= oc.c:121 #8 0x00007f236e739aff in GC_new_thread (id=3D139790027667200) at pthread_s= upport.c:478 #9 0x00007f236e739fb7 in GC_register_my_thread_inner (sb=3D0x7f2366f12ed0, my_pthread=3D) at pthread_support.c:1358 #10 0x00007f236e73a167 in GC_start_rtn_prepare_thread (pstart=3D0x7f2366f12= eb0, pstart_arg=3D0x7f2366f12eb8, sb=3D0x7f2366f12ed0, arg=3D0x2aa1fc0) at p= thread_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/libpth= read.so.0 #14 0x00007f236d0111ed in clone () from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/libc.s= o.6 --8<---------------cut here---------------end--------------->8--- 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. Thanks, Ludo=E2=80=99. From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 30 10:34:09 2012 Received: (at 10655) by debbugs.gnu.org; 30 Jan 2012 15:34:09 +0000 Received: from localhost ([127.0.0.1]:45333 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RrtFB-0004wZ-AL for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:34:09 -0500 Received: from a-pb-sasl-sd.pobox.com ([74.115.168.62]:35083 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RrtEz-0004vm-Eh for 10655@debbugs.gnu.org; Mon, 30 Jan 2012 10:34:03 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 8D82C96B5; Mon, 30 Jan 2012 10:33:46 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type:content-transfer-encoding; s=sasl; bh=kQ71HAHYFcMW 6yxpoSp/W/RZOdE=; b=D7GDgAG9bBnNZJS4ySM+7eeJP1lQollozbDUGfDpOk8s GwbxW/VKbqmV0OnQOPgMmLQLwQ/ro1ggQklNfEdBDUXuL3VeOAe35L7sqMv1za+F BRrJ/Dd0xZIJ6zKMadK2hP4V09W5Jbsj79SDpYlm5vZs9/4f+xZJOqLLoqTmQMQ= DomainKey-Signature: a=rsa-sha1; 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= 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) 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) From: Andy Wingo To: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: bug#10655: [2.0.3+] =?utf-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fh?= =?utf-8?Q?ook=E2=80=99?= called during thread startup leads to SIGSEGV References: <87y5spxlcg.fsf@gnu.org> Date: Mon, 30 Jan 2012 16:33:42 +0100 In-Reply-To: <87y5spxlcg.fsf@gnu.org> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?= =?utf-8?Q?s?= message of "Mon, 30 Jan 2012 16:26:39 +0100") Message-ID: <87mx95w6g9.fsf@pobox.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Pobox-Relay-ID: CC499DD0-4B57-11E1-9CFE-65B1DE995924-02397024!a-pb-sasl-sd.pobox.com X-Spam-Score: -1.9 (-) X-Debbugs-Envelope-To: 10655 Cc: 10655@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -1.9 (-) 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/ From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 30 10:41:39 2012 Received: (at 10655) by debbugs.gnu.org; 30 Jan 2012 15:41:39 +0000 Received: from localhost ([127.0.0.1]:45354 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RrtMQ-000598-Or for submit@debbugs.gnu.org; Mon, 30 Jan 2012 10:41:39 -0500 Received: from mail4-relais-sop.national.inria.fr ([192.134.164.105]:26519) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RrtMM-00058r-Sr for 10655@debbugs.gnu.org; Mon, 30 Jan 2012 10:41:37 -0500 X-IronPort-AV: E=Sophos;i="4.71,592,1320620400"; d="scan'208";a="129423635" Received: from unknown (HELO pluto) ([193.50.110.167]) by mail4-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 30 Jan 2012 16:41:17 +0100 From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) To: Andy Wingo Subject: Re: bug#10655: [2.0.3+] =?utf-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fh?= =?utf-8?Q?ook=E2=80=99?= called during thread startup leads to SIGSEGV References: <87y5spxlcg.fsf@gnu.org> <87mx95w6g9.fsf@pobox.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 11 =?iso-8859-1?Q?Pluvi=F4se?= an 220 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu Date: Mon, 30 Jan 2012 16:41:17 +0100 In-Reply-To: <87mx95w6g9.fsf@pobox.com> (Andy Wingo's message of "Mon, 30 Jan 2012 16:33:42 +0100") Message-ID: <87ehuhxko2.fsf@gnu.org> User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Spam-Score: -6.2 (------) X-Debbugs-Envelope-To: 10655 Cc: 10655@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.2 (------) --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi! I=E2=80=99m testing this patch: --=-=-= Content-Type: text/x-patch Content-Disposition: inline diff --git a/libguile/gc.c b/libguile/gc.c index 7816801..97dfcd8 100644 --- a/libguile/gc.c +++ b/libguile/gc.c @@ -730,14 +730,17 @@ queue_after_gc_hook (void * hook_data SCM_UNUSED, if (scm_debug_cells_gc_interval == 0) #endif { - scm_i_thread *t = SCM_I_CURRENT_THREAD; - - if (scm_is_false (SCM_CDR (after_gc_async_cell))) - { - SCM_SETCDR (after_gc_async_cell, t->active_asyncs); - t->active_asyncs = after_gc_async_cell; - t->pending_asyncs = 1; - } + if (SCM_I_CURRENT_THREAD != NULL && SCM_I_CURRENT_THREAD->guile_mode) + { + scm_i_thread *t = SCM_I_CURRENT_THREAD; + + if (scm_is_false (SCM_CDR (after_gc_async_cell))) + { + SCM_SETCDR (after_gc_async_cell, t->active_asyncs); + t->active_asyncs = after_gc_async_cell; + t->pending_asyncs = 1; + } + } } return NULL; --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Rationale: - With TLS, SCM_I_CURRENT_THREAD is never NULL but the whole struct, including =E2=80=98guile_mode=E2=80=99, is zero when the thread starts. - Without TLS, SCM_I_CURRENT_THREAD is NULL until =E2=80=98guilify_self_1= =E2=80=99 has been called. Thoughts? (My =E2=80=9Cbenchmark=E2=80=9D has been running for some time already and = the bug hasn=E2=80=99t shown up again.) Thanks, Ludo=E2=80=99. --=-=-=-- From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 30 14:43:09 2012 Received: (at 10655-done) by debbugs.gnu.org; 30 Jan 2012 19:43:09 +0000 Received: from localhost ([127.0.0.1]:45627 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rrx88-0003Ii-Gq for submit@debbugs.gnu.org; Mon, 30 Jan 2012 14:43:08 -0500 Received: from mail1-relais-roc.national.inria.fr ([192.134.164.82]:27128) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rrx86-0003I9-9o for 10655-done@debbugs.gnu.org; Mon, 30 Jan 2012 14:43:07 -0500 X-IronPort-AV: E=Sophos;i="4.71,592,1320620400"; d="scan'208";a="142105365" Received: from reverse-83.fdn.fr (HELO pluto) ([80.67.176.83]) by mail1-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 30 Jan 2012 20:42:48 +0100 From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) To: Andy Wingo Subject: Re: bug#10655: [2.0.3+] =?utf-8?Q?=E2=80=98queue=5Fafter=5Fgc=5Fh?= =?utf-8?Q?ook=E2=80=99?= called during thread startup leads to SIGSEGV References: <87y5spxlcg.fsf@gnu.org> <87mx95w6g9.fsf@pobox.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 11 =?iso-8859-1?Q?Pluvi=F4se?= an 220 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu Date: Mon, 30 Jan 2012 20:42:42 +0100 In-Reply-To: <87mx95w6g9.fsf@pobox.com> (Andy Wingo's message of "Mon, 30 Jan 2012 16:33:42 +0100") Message-ID: <87hazd6kp9.fsf@gnu.org> User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -6.2 (------) X-Debbugs-Envelope-To: 10655-done Cc: 10655-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.2 (------) This was eventually fixed by commit e1fbe716e8596b7027af57623ebc72a0c6393187 (=E2=80=9Cfix hook invocation duri= ng thread guilification=E2=80=9D). Thanks! Ludo=E2=80=99. From unknown Sat Jun 21 10:30:30 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Tue, 28 Feb 2012 12:24:02 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator