From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Drew Adams" Newsgroups: gmane.emacs.bugs Subject: bug#8789: 23.3; debug backtrace buffer changes window on step-through Date: Wed, 19 Sep 2012 09:46:14 -0700 Message-ID: References: <4DE8DF63.5050405@gmx.at><87haz0po82.fsf@web.de><4F3BE4CB.3030909@gmx.at><4F3CB843.6030401@gmx.at><4F3D41DD.6080603@gmx.at><877gzmqwcf.fsf@web.de><504B4940.9000809@gmx.at><86wqzznwzv.fsf@web.de><9BABA419184241F5A7246DC5D9A9EF81@us.oracle.com><5057A4A3.4010100@gmx.at><4617F483F2CC446D980DF7194E06BB3A@us.oracle.com><50581E7F.3040108@gmx.at> <1C1E224E1D674670BEE043B4A35A271F@us.oracle.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1348073216 26141 80.91.229.3 (19 Sep 2012 16:46:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 19 Sep 2012 16:46:56 +0000 (UTC) Cc: 'Michael Heerdegen' , 8789@debbugs.gnu.org To: "'martin rudalics'" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Sep 19 18:46:59 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1TENQL-0001sm-OV for geb-bug-gnu-emacs@m.gmane.org; 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I'll check the next Windows binary. - Drew I have not yet been able to do that (no Windows binary), but here is some more info. (I have not customized `debugger-bury-or-kill' - the value is still `bury'.) Sometimes I can grab the border of the *Backtrace* frame, as usual, and resize it (even though it goes back to the default size when I hit `d', as described earlier). But sometimes I cannot: as soon as I touch the mouse to the frame edge and try to drag it, the frame disappears! I can just touch it (e.g. click it) without it disappearing, but as soon as I try to drag the touched edge, the frame disappears. It does not matter which edge (e.g. bottom or right) I try to drag. No idea what is going on here - I have never seen anything like this. This happpens systematically when I enter the debugger in a certain context, and it never seems to happen otherwise. But that context is far too complex to try to communicate. Suffice it to say that this happens. When it happens I see nothing additional in *Messages*, and there is no crash. The *Backtrace* frame just disappears, and the mode line indicates that I am no longer in a recursive edit - IOW, the debugger is exited. And if I explicitly visit buffer *Backtrace*, I see that it is indeed empty. It is as if trying to drag the frame edge is (sometimes) the equivalent of hitting `q' in the debugger. Very weird. I'm sorry that I cannot offer more info about this. But clearly something is very wrong.