From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.bugs Subject: bug#34206: Pdumper giving a segfault Date: Sat, 26 Jan 2019 19:50:17 -0800 Message-ID: References: <83munn6dx9.fsf@gnu.org> <83imyb66dn.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="48192"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 Cc: 34206@debbugs.gnu.org To: Eli Zaretskii , Compro Prasad Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 27 04:51:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gnbTT-000CNB-DP for geb-bug-gnu-emacs@m.gmane.org; Sun, 27 Jan 2019 04:51:12 +0100 Original-Received: from localhost ([127.0.0.1]:39048 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gnbTS-0005AY-AN for geb-bug-gnu-emacs@m.gmane.org; Sat, 26 Jan 2019 22:51:10 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36389) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gnbTL-00059R-Ow for bug-gnu-emacs@gnu.org; Sat, 26 Jan 2019 22:51:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gnbTK-0000M3-LC for bug-gnu-emacs@gnu.org; Sat, 26 Jan 2019 22:51:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47625) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gnbTK-0000LT-Hc for bug-gnu-emacs@gnu.org; Sat, 26 Jan 2019 22:51:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gnbTK-00056B-AA for bug-gnu-emacs@gnu.org; Sat, 26 Jan 2019 22:51:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Daniel Colascione Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 27 Jan 2019 03:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34206 X-GNU-PR-Package: emacs Original-Received: via spool by 34206-submit@debbugs.gnu.org id=B34206.154856103119562 (code B ref 34206); Sun, 27 Jan 2019 03:51:02 +0000 Original-Received: (at 34206) by debbugs.gnu.org; 27 Jan 2019 03:50:31 +0000 Original-Received: from localhost ([127.0.0.1]:46906 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gnbSl-00055P-Fg for submit@debbugs.gnu.org; Sat, 26 Jan 2019 22:50:30 -0500 Original-Received: from dancol.org ([96.126.100.184]:56994) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gnbSj-00055G-Lm for 34206@debbugs.gnu.org; Sat, 26 Jan 2019 22:50:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=dancol.org; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject; bh=fN23bALpR7xobGvBeWnLJoqOiWC9ZEiPI73xYhw1Opw=; b=NlEaI9Q0Axx4JM9lASGLunGxLFtlNTZdPx/T2cyljgXWiL7JgFvEwCUp0ax4PN1JWHqVRptGmVltRL1MAihCuFxZSSPXDs9Up1mPlyjlfun+4ohdCRsMz7OFqFmWzAgUHwGJRQEGwHbnkTU25MajUDvDpe7K/dyWbBJyFhR92k+Mr1t38cNbqOybpBd5Jno8ZyI7mf/wDwho6kxLDSgV91GaPZF7VJFlRkptSy3hG45wvrUNcd+JD9MR8PNdPIjwn3plpOekwi5FprzP8Eo5ddytmBbFiWRwGn42p7B1wbBQFJKu2sTEQ8G8xGGLURobhvq3CVBlZ4hnto3ket+ruQ==; Original-Received: from [2604:4080:1321:9a00:f455:12b4:e650:5d75] by dancol.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1gnbSh-0002yl-DH; Sat, 26 Jan 2019 19:50:23 -0800 In-Reply-To: <83imyb66dn.fsf@gnu.org> Content-Language: en-US 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: 209.51.188.43 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:154806 Archived-At: On 1/26/19 2:49 AM, Eli Zaretskii wrote: >> From: Compro Prasad >> Date: Sat, 26 Jan 2019 14:33:57 +0530 >> Cc: 34206@debbugs.gnu.org >> >>>> GDB log: https://pastebin.com/2uMPHCRV >>> >>> This seems to indicate your configuration is quite complex, and I >>> cannot easily understand what are you doing that is different from >>> the normal build and "emacs -Q" to start Emacs. In particular, this: >>> >>> $ gdb ./src/emacs-27.0.50.11 >>> Reading symbols from ./src/emacs-27.0.50.11...done. >>> (gdb) r --dump-file="/home/compro/.emacs.d/.cache/dumps/spacemacs.pdmp" >>> Starting program: /home/compro/Downloads/git.savannah.gnu.org/git/emacs/src/emacs-27.0.50.11 --dump-file="/home/compro/.emacs.d/.cache/dumps/spacemacs.pdmp" >>> >>> indicates that your pdump file is spacemacs.pdmp, but I don't know how >>> that file was produced, and I cannot easily understand what is >>> different in your build procedure from the normal upstream build of >>> Emacs. >> I don't know if you can help me but I have some more information on >> how the dump might be produced. >> >> https://github.com/Compro-Prasad/spacemacs/blob/pdumper-is-in-master/core/core-dumper.el#L68 > > I don't think this helps much, as I don't really know anything about > spacemacs and its build procedures. > >> I went a bit further and tried executing the following using `C-x C-e` >> while running spacemacs: >> >> (dump-emacs-portable "~/test.pdmp") >> >> It gave me: eval: unsupported object type in dump: window configuration >> >> Is this a bug or I am supposed to run Emacs in batch mode while dumping? > > Yes, dump-emacs-portable can only be invoked in batch mode. That's not quite true. There's no particular reason it can't be invoked in any mode, but as the message indicates, there are some objects that pdumper doesn't know how to dump. Packages maintaining these objects should add-function to dump-emacs-portable to temporarily make these objects disappear while a dump is in progress. In any case, neither the dump nor load should actually segfault. A segfault is a bug.