From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#24201: 25.1.50; TLS connections sometimes hang Date: Thu, 11 Aug 2016 15:20:18 +0200 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1470921750 22962 195.159.176.226 (11 Aug 2016 13:22:30 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 11 Aug 2016 13:22:30 +0000 (UTC) To: 24201@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Aug 11 15:22:19 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bXpw9-0005dA-6a for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Aug 2016 15:22:17 +0200 Original-Received: from localhost ([::1]:48576 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpw6-0003sD-6u for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Aug 2016 09:22:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55987) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpvy-0003qS-8V for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:22:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bXpvu-0001Rn-Uq for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:22:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55472) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpvu-0001Rg-RA for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:22:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bXpvu-0006fH-Bs for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:22:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 11 Aug 2016 13:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 24201 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.147092167825551 (code B ref -1); Thu, 11 Aug 2016 13:22:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 11 Aug 2016 13:21:18 +0000 Original-Received: from localhost ([127.0.0.1]:53184 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bXpvC-0006e2-Bv for submit@debbugs.gnu.org; Thu, 11 Aug 2016 09:21:18 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36301) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bXpvB-0006dn-AZ for submit@debbugs.gnu.org; Thu, 11 Aug 2016 09:21:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bXpv4-000120-JH for submit@debbugs.gnu.org; Thu, 11 Aug 2016 09:21:12 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:49187) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpv4-00011r-GT for submit@debbugs.gnu.org; Thu, 11 Aug 2016 09:21:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55468) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpv2-0003Eu-CG for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:21:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bXpuz-0000yI-3s for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:21:08 -0400 Original-Received: from hermes.netfonds.no ([80.91.224.195]:55268) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXpuy-0000wU-PC for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 09:21:05 -0400 Original-Received: from cm-84.215.1.64.getinternet.no ([84.215.1.64] helo=stories) by hermes.netfonds.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1bXpur-0002Rc-Ld for bug-gnu-emacs@gnu.org; Thu, 11 Aug 2016 15:21:01 +0200 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:122074 Archived-At: A couple of weeks ago, TLS connections started making Emacs hang. I've yet to find a way to reproduce it reliably, but it seems to involve opening an async TLS connection while opening a synchronous TLS connection, or something. strace in these instances shows an infinite loop like this: [pid 28250] pselect6(27, [4 6 8 9 10 14 15 16 17 18 19 20 22 24 26], [], NULL, {0, 0}, {NULL, 8}) = 1 (in [20], left {0, 0}) [pid 28250] pselect6(27, [4 6 8 9 10 14 15 16 17 18 19 20 22 24 26], [], NULL, {0, 0}, {NULL, 8}) = 1 (in [20], left {0, 0}) [pid 28250] pselect6(27, [4 6 8 9 10 14 15 16 17 18 19 20 22 24 26], [], NULL, {0, 0}, {NULL, 8}) = 1 (in [20], left {0, 0}) [pid 28250] pselect6(27, [4 6 8 9 10 14 15 16 17 18 19 20 22 24 26], [], NULL, {0, 0}, {NULL, 8}) = 1 (in [20], left {0, 0}) Does this ring a bell? If not, I'll try to debug it further. I think it started happening like two or three weeks ago. 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14727) (intervals 56 472696 10642) (buffers 976 311) (heap 1024 591462 804639)) -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no