From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "ken manheimer" Newsgroups: gmane.emacs.devel,gmane.emacs.pretest.bugs Subject: pgg-gpg.el - pgg-gpg-process-region timing problem Date: Sun, 22 Jun 2008 13:37:11 -0400 Message-ID: <2cd46e7f0806221037h6d16839bp567eb5b901313375@mail.gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_13397_3728181.1214156231734" X-Trace: ger.gmane.org 1214156278 11396 80.91.229.12 (22 Jun 2008 17:37:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 22 Jun 2008 17:37:58 +0000 (UTC) To: emacs-devel , emacs-pretest-bug@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jun 22 19:38:42 2008 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KATWR-0006cC-A4 for ged-emacs-devel@m.gmane.org; Sun, 22 Jun 2008 19:38:40 +0200 Original-Received: from localhost ([127.0.0.1]:44294 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KATVb-0005PL-D4 for ged-emacs-devel@m.gmane.org; Sun, 22 Jun 2008 13:37:47 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KATV4-00059R-G1 for emacs-devel@gnu.org; Sun, 22 Jun 2008 13:37:14 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KATV3-00058z-MO for emacs-devel@gnu.org; Sun, 22 Jun 2008 13:37:14 -0400 Original-Received: from [199.232.76.173] (port=49865 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KATV3-00058v-Jr for emacs-devel@gnu.org; Sun, 22 Jun 2008 13:37:13 -0400 Original-Received: from rv-out-0708.google.com ([209.85.198.246]:10664) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KATV3-0006Kx-8W for emacs-devel@gnu.org; Sun, 22 Jun 2008 13:37:13 -0400 Original-Received: by rv-out-0708.google.com with SMTP id k29so8820517rvb.6 for ; Sun, 22 Jun 2008 10:37:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type; bh=ajiJriZKShHP8Lw8W4ZtgtxYUpANW1oMNrWt/RJS9QM=; b=w4rTvDeRrT7V+ZOjy+4uQFrx9SgwYnzXlVCunOTH0Nb/LRKFrcyKF8PZVnGRSYGDGd RHapCpYdkGJSOSUVR8zNPjwLebhHGkyGeFfWx8h2OoydxPtsAKWhnAnSiUXDp6H3XkBD z1J5C392zAL2X47YxUdrCtjPQUXAHhJtNypGY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type; b=WyheP+zr83aTce30yJ4psH11iGtikwY0/yPlA+PkHupg3PZZTsiar1CnaNMUnglkVR xMUiHxnUhmfMqjaHiveXqUFKDUZzCnDZwGqzdDiwL0hbEVQWRAAGRx4tNFZVg8CwEzUa qFrZ/7HT7dwPLWKomBMFrs8mU208bLbxZ5urE= Original-Received: by 10.141.164.13 with SMTP id r13mr11241814rvo.53.1214156231739; Sun, 22 Jun 2008 10:37:11 -0700 (PDT) Original-Received: by 10.114.201.14 with HTTP; Sun, 22 Jun 2008 10:37:11 -0700 (PDT) X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:99697 gmane.emacs.pretest.bugs:22669 Archived-At: ------=_Part_13397_3728181.1214156231734 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline allout encryption, which depends on pgg.el &c, has been failing due to a weird timing problem i've narrowed down to the pgg-gpg-process-region function. this is in emacs 23.0.60 built from a CVS HEAD checkout of an hour or so ago, and some earlier 23.0.60 versions. i've reproduced the problem using emacs -q and regularly launched emacs, etc. the problem is that pgg-gpg-process-region often returns a nil status despite successful decryption, unless a delay (eg, (sleep-for .3) is inserted between process start and later interaction with the process. with the delay, the status is something like 207 or 208, while without it the status is nil - yet, on examination the content is sucessfully decrypted. the size of the delay needs to be increased when the machine is heavily loaded, and can be reduced (on my thinkpad t43 2 GHz laptop, 3Gb ram, running kubuntu 8.0.4 +) to no lower than (sleep-for .2). rarely, the proper status is returned without the delay, depending on the machine load and other things i can't identify. considering the real-time sensitivity of the problem, your mileage will almost certainly vary! i originally thought the problem might be in gpg, but now figure it resides either in the emacs process mechanism, pgg's use of that, or somewhere in the combination of emacs and pgg. i've created a simple .el script, pggprob.el, with minimal code and data to produce the problem, and a patch, pggprob-patch.txt, with a single-line modification to pgg-gpg-process-region to work around the problem. both are attached. since the workaround is merely a timing delay, it's clearly not a fix! i'm hoping this is enough to enable others to reproduce the problem, and investigate... -- ken http://myriadicity.net If Emacs crashed, and you have the Emacs process in the gdb debugger, please include the output from the following gdb commands: `bt full' and `xbacktrace'. If you would like to further debug the crash, please read the file /home/klm/src/emacs-HEAD/etc/DEBUG for instructions. In GNU Emacs 23.0.60.1 (i686-pc-linux-gnu, GTK+ Version 2.12.9) of 2008-06-22 on twist Windowing system distributor `The X.Org Foundation', version 11.0.10400090 Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default-enable-multibyte-characters: t Major mode: Emacs-Lisp Minor modes in effect: tooltip-mode: t tool-bar-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t global-auto-composition-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: C-x C-f l i b / e m a a l l s c r p g g p M-x e v a l - c u r M-. C-g M-> C-x C-e M-x e m a c s r e p o r t - e m Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. 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