From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer Date: Mon, 11 Jul 2011 21:14:07 +0200 Message-ID: <4E1B4B7F.8090500@gmx.at> References: <877h7wxqjv.fsf@escher.fritz.box> <4E1429F3.1010305@gmx.at> <87oc17xlmu.fsf@escher.fritz.box> <4E156D17.8020804@gmx.at> <871uy2qvv6.fsf@escher.fritz.box> <4E15D520.4030809@gmx.at> <87mxgobcj6.fsf@escher.fritz.box> <4E1814F7.4060002@gmx.at> <87r55zekei.fsf@escher.fritz.box> <4E18510F.7070506@gmx.at> <87wrfrmnbv.fsf@escher.fritz.box> <87sjqfmm2n.fsf@escher.fritz.box> <4E1969EE.7040201@gmx.at> <87d3hiqvos.fsf@escher.fritz.box> <4E19A979.3070805@gmx.at> <87zkklx4gl.fsf@escher.fritz.box> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------040708000400030400070008" X-Trace: dough.gmane.org 1310411737 4538 80.91.229.12 (11 Jul 2011 19:15:37 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 11 Jul 2011 19:15:37 +0000 (UTC) Cc: 9006@debbugs.gnu.org To: Stephen Berman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jul 11 21:15:33 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QgLx6-0006xB-K5 for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Jul 2011 21:15:32 +0200 Original-Received: from localhost ([::1]:60997 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgLx4-0004On-U5 for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Jul 2011 15:15:31 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:59607) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgLwf-0004NL-Q0 for bug-gnu-emacs@gnu.org; Mon, 11 Jul 2011 15:15:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QgLwd-0000pq-Uc for bug-gnu-emacs@gnu.org; Mon, 11 Jul 2011 15:15:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:41953) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgLwd-0000pi-PK for bug-gnu-emacs@gnu.org; Mon, 11 Jul 2011 15:15:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1QgLwc-0001dg-Hm; Mon, 11 Jul 2011 15:15:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 11 Jul 2011 19:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9006 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 9006-submit@debbugs.gnu.org id=B9006.13104116606232 (code B ref 9006); Mon, 11 Jul 2011 19:15:02 +0000 Original-Received: (at 9006) by debbugs.gnu.org; 11 Jul 2011 19:14:20 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1QgLvu-0001cT-QP for submit@debbugs.gnu.org; Mon, 11 Jul 2011 15:14:19 -0400 Original-Received: from mailout-de.gmx.net ([213.165.64.23]) by debbugs.gnu.org with smtp (Exim 4.69) (envelope-from ) id 1QgLvs-0001cG-Aj for 9006@debbugs.gnu.org; Mon, 11 Jul 2011 15:14:17 -0400 Original-Received: (qmail invoked by alias); 11 Jul 2011 19:14:09 -0000 Original-Received: from 62-47-33-223.adsl.highway.telekom.at (EHLO [62.47.33.223]) [62.47.33.223] by mail.gmx.net (mp007) with SMTP; 11 Jul 2011 21:14:09 +0200 X-Authenticated: #14592706 X-Provags-ID: V01U2FsdGVkX1/AbWgWFEbASUKkBUvzBJAOuXJ3a2Qx3Ef7MeV2bv 2pCNwuQQ5Vzzc6 User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) In-Reply-To: <87zkklx4gl.fsf@escher.fritz.box> X-Y-GMX-Trusted: 0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Mon, 11 Jul 2011 15:15:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:48637 Archived-At: This is a multi-part message in MIME format. --------------040708000400030400070008 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit > I applied the patch and rebuilt Emacs, then started with my > initializations under gdb. Emacs came up fine, then I type C-h C-a and > it aborted in unshow_buffer; the backtrace is almost identical to the > one I posted previously. Why am I not surprised? Though, it doesn't abort here. > Then I started Emacs again, started Gnus, as > with your first suggested patch with set_marker_both (w->buffer, BEG, > BEGV) I suppose you mean set_marker_both (w->pointm, w->buffer, BEG, BEGV) here. > the display was unstable (unselected window at first blank, then > blank fringe), then tried `h' and it worked a few times but the response > was slow, and then (after `h' not C-g) Emacs aborted in unshow_buffer; > backtrace below. Just out of curiosity (since I don't understand the > code), I rebuilt again with the following call (old_buffer instead of > w->buffer): > > set_marker_both > (w->pointm, old_buffer, BUF_PT (current_buffer), BUF_PT_BYTE (current_buffer)); > > This did not cause an abort with C-h C-a nor with h in Gnus, but it > showed the same problem of point in the non-selected window jumping to > point-min, despite not passing BEG and BEGV. The strange thing about this is that when old_buffer is not the current buffer, this will set the marker in the wrong buffer which should cause an abort. But as I stated earlier I'm still completely lost here :-( Anyway, I attached another patch. Things are getting more and more complicated because I have zero experience working with markers in C. martin --------------040708000400030400070008 Content-Type: text/plain; name="indent.diff" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="indent.diff" PT09IG1vZGlmaWVkIGZpbGUgJ3NyYy9pbmRlbnQuYycNCioqKiBzcmMvaW5kZW50LmMJMjAx MS0wNy0xMCAwODoyMDoxMCArMDAwMA0KLS0tIHNyYy9pbmRlbnQuYwkyMDExLTA3LTExIDE5 OjA1OjQxICswMDAwDQoqKioqKioqKioqKioqKioNCioqKiAxOTg1LDE5OTEgKioqKg0KICAg IHN0cnVjdCB0ZXh0X3BvcyBwdDsNCiAgICBzdHJ1Y3Qgd2luZG93ICp3Ow0KICAgIExpc3Bf T2JqZWN0IG9sZF9idWZmZXI7DQohICAgc3RydWN0IGdjcHJvIGdjcHJvMTsNCiAgICBMaXNw X09iamVjdCBsY29scyA9IFFuaWw7DQogICAgZG91YmxlIGNvbHMgSUZfTElOVCAoPSAwKTsN CiAgDQotLS0gMTk4NSwxOTkyIC0tLS0NCiAgICBzdHJ1Y3QgdGV4dF9wb3MgcHQ7DQogICAg c3RydWN0IHdpbmRvdyAqdzsNCiAgICBMaXNwX09iamVjdCBvbGRfYnVmZmVyOw0KISAgIEVN QUNTX0lOVCBvbGRfY2hhcnBvcywgb2xkX2J5dGVwb3M7DQohICAgc3RydWN0IGdjcHJvIGdj cHJvMSwgZ2Nwcm8yLCBnY3BybzM7DQogICAgTGlzcF9PYmplY3QgbGNvbHMgPSBRbmlsOw0K ICAgIGRvdWJsZSBjb2xzIElGX0xJTlQgKD0gMCk7DQogIA0KKioqKioqKioqKioqKioqDQoq KiogMjAwNSwyMDE2ICoqKioNCiAgICB3ID0gWFdJTkRPVyAod2luZG93KTsNCiAgDQogICAg b2xkX2J1ZmZlciA9IFFuaWw7DQohICAgR0NQUk8xIChvbGRfYnVmZmVyKTsNCiAgICBpZiAo WEJVRkZFUiAody0+YnVmZmVyKSAhPSBjdXJyZW50X2J1ZmZlcikNCiAgICAgIHsNCiAgICAg ICAgLyogU2V0IHRoZSB3aW5kb3cncyBidWZmZXIgdGVtcG9yYXJpbHkgdG8gdGhlIGN1cnJl bnQgYnVmZmVyLiAgKi8NCiAgICAgICAgb2xkX2J1ZmZlciA9IHctPmJ1ZmZlcjsNCiAgICAg ICAgWFNFVEJVRkZFUiAody0+YnVmZmVyLCBjdXJyZW50X2J1ZmZlcik7DQogICAgICB9DQog IA0KICAgIGlmIChub25pbnRlcmFjdGl2ZSkNCi0tLSAyMDA2LDIwMjEgLS0tLQ0KICAgIHcg PSBYV0lORE9XICh3aW5kb3cpOw0KICANCiAgICBvbGRfYnVmZmVyID0gUW5pbDsNCiEgICBH Q1BSTzMgKG9sZF9idWZmZXIsIG9sZF9jaGFycG9zLCBvbGRfYnl0ZXBvcyk7DQogICAgaWYg KFhCVUZGRVIgKHctPmJ1ZmZlcikgIT0gY3VycmVudF9idWZmZXIpDQogICAgICB7DQogICAg ICAgIC8qIFNldCB0aGUgd2luZG93J3MgYnVmZmVyIHRlbXBvcmFyaWx5IHRvIHRoZSBjdXJy ZW50IGJ1ZmZlci4gICovDQogICAgICAgIG9sZF9idWZmZXIgPSB3LT5idWZmZXI7DQorICAg ICAgIG9sZF9jaGFycG9zID0gWE1BUktFUiAody0+cG9pbnRtKS0+Y2hhcnBvczsNCisgICAg ICAgb2xkX2J5dGVwb3MgPSBYTUFSS0VSICh3LT5wb2ludG0pLT5ieXRlcG9zOw0KICAgICAg ICBYU0VUQlVGRkVSICh3LT5idWZmZXIsIGN1cnJlbnRfYnVmZmVyKTsNCisgICAgICAgc2V0 X21hcmtlcl9ib3RoDQorIAkody0+cG9pbnRtLCB3LT5idWZmZXIsIEJVRl9QVCAoY3VycmVu dF9idWZmZXIpLCBCVUZfUFRfQllURSAoY3VycmVudF9idWZmZXIpKTsNCiAgICAgIH0NCiAg DQogICAgaWYgKG5vbmludGVyYWN0aXZlKQ0KKioqKioqKioqKioqKioqDQoqKiogMjEzMSwy MTM3ICoqKioNCiAgICAgIH0NCiAgDQogICAgaWYgKEJVRkZFUlAgKG9sZF9idWZmZXIpKQ0K ISAgICAgdy0+YnVmZmVyID0gb2xkX2J1ZmZlcjsNCiAgDQogICAgUkVUVVJOX1VOR0NQUk8g KG1ha2VfbnVtYmVyIChpdC52cG9zKSk7DQogIH0NCi0tLSAyMTM2LDIxNDUgLS0tLQ0KICAg ICAgfQ0KICANCiAgICBpZiAoQlVGRkVSUCAob2xkX2J1ZmZlcikpDQohICAgICB7DQohICAg ICAgIHctPmJ1ZmZlciA9IG9sZF9idWZmZXI7DQohICAgICAgIHNldF9tYXJrZXJfYm90aCAo dy0+cG9pbnRtLCB3LT5idWZmZXIsIG9sZF9jaGFycG9zLCBvbGRfYnl0ZXBvcyk7DQohICAg ICB9DQogIA0KICAgIFJFVFVSTl9VTkdDUFJPIChtYWtlX251bWJlciAoaXQudnBvcykpOw0K ICB9DQoNCg== --------------040708000400030400070008--