From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Leo Liu Newsgroups: gmane.emacs.devel Subject: Re: How to debug Error during redisplay Date: Fri, 11 Jan 2013 19:02:29 +0800 Message-ID: References: <83bocwuidc.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1357902661 15823 80.91.229.3 (11 Jan 2013 11:11:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Jan 2013 11:11:01 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jan 11 12:11:18 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TtcVz-0005xC-V1 for ged-emacs-devel@m.gmane.org; Fri, 11 Jan 2013 12:11:12 +0100 Original-Received: from localhost ([::1]:36241 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtcVj-0006KH-VE for ged-emacs-devel@m.gmane.org; Fri, 11 Jan 2013 06:10:55 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:34718) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtcVg-0006Jf-Sg for emacs-devel@gnu.org; Fri, 11 Jan 2013 06:10:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TtcVf-0004kK-6m for emacs-devel@gnu.org; Fri, 11 Jan 2013 06:10:52 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:51800) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtcNt-0002RZ-8Y for emacs-devel@gnu.org; Fri, 11 Jan 2013 06:02:49 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1TtcO4-0007Kk-I2 for emacs-devel@gnu.org; Fri, 11 Jan 2013 12:03:00 +0100 Original-Received: from 119.255.41.67 ([119.255.41.67]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 11 Jan 2013 12:03:00 +0100 Original-Received: from sdl.web by 119.255.41.67 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 11 Jan 2013 12:03:00 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 62 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 119.255.41.67 Face: iVBORw0KGgoAAAANSUhEUgAAACgAAAAoBAMAAAB+0KVeAAAAElBMVEUAAAAAAP+LRRP0pGC+ vr7///+7mT1iAAAAAWJLR0QAiAUdSAAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9cBBwMO DhglKe4AAAEsSURBVCjPbZNBboQwDEV/Cd4X9QJRThApmn0XYW+Jyf2v0m+HhqDBgiAe9rcTG7QH w/1Vn2Ar8gBb/ocywSN3qK9T3z4eFDB4eApocBpeBs1RSykoJd8gQcm8pGmHXFso3ajnmsqV0TnY DQkOfXUfN5NwaI7AWTVOyEhcu1aHmdWItHddUVUcUgUBCkitu8V6ditHVOVdqzl2EQ1ZVGTbdK0V 7cqn8vWzoU5Q/bF9Y/Y0cRU1xwkys5dJ+Dt6pBDWifcNQml8Gh2JVmPSoQzo7en0grswkxrUGYJ7 0hSxxAGr7ZMwYcHIzprpi7TENEE1xtiYxixRlCfPBsUUrwHD7uGIwATrbnODJcVrPpVn3hxiGloe m/S+z3CtuzUSMo83N4DPH+F0evwR3P4A2k+75838OKQAAAAASUVORK5CYII= User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2.92 (OS X 10.8.2) Cancel-Lock: sha1:v5XNLy6LX7vpmqdQbzeimVID1Bk= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:156213 Archived-At: On 2013-01-11 18:25 +0800, Eli Zaretskii wrote: > Run Emacs under GDB, put a breakpoint in safe_eval_handler, and see > which code and in which buffer is responsible. Thanks for the info; I have forgotten there is always GDB ;) I don't know how to print current_buffer. I tried: p current_buffer => $11 = (struct buffer *) 0x1015330a0 pr => 1079299112 xpr => Argument to arithmetic operation not a number or boolean. But bt gives me this: -------------------------------- Lisp Backtrace: "redisplay_internal (C function)" (0x69d758) "redisplay" (0x5fbf58a0) "sit-for" (0x5fbf5f30) "animate-string" (0x5fbf6480) "if" (0x5fbf6990) "let" (0x5fbf6cd0) "progn" (0x5fbf6f30) "if" (0x5fbf7190) "slime-startup-message" (0x5fbf7428) "funcall" (0x5fbf7420) "slime-repl-update-banner" (0x5fbf7730) "save-current-buffer" (0x5fbf7c50) "slime-init-output-buffer" (0x5fbf7da0) "slime-repl-connected-hook-function" (0x5fbf83c0) "run-hooks" (0x5fbf83f0) "let" (0x5fbf88f0) "let" (0x5fbf8c30) "ad-Orig-slime-set-connection-info" (0x5fbf8d80) "with-no-warnings" (0x5fbf9320) "setq" (0x5fbf9590) "let" (0x5fbf98d0) "slime-set-connection-info" (0x5fbf9b68) "apply" (0x5fbf9c40) 0x5b1d840 Lisp type 6 "funcall" (0x5fbfa090) "progn" (0x5fbfa4b0) "if" (0x5fbfa710) "let*" (0x5fbfaa30) "progn" (0x5fbfac90) "cond" (0x5fbfaf40) "let*" (0x5fbfb260) 0x509f180 Lisp type 6 "apply" (0x5fbfb5b0) 0x5b1ce30 Lisp type 6 "slime-dispatch-event" (0x5fbfc0d0) "slime-process-available-input" (0x5fbfc750) "slime-net-filter" (0x5fbfcdc8) -------------------------------- So this is triggered by animate-string which slime uses. Weirdly, the same code doesn't have this error in 24.2. Also if I set inhibit-eval-during-redisplay to t, the error is gone as well. Leo