From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Yann Hodique Newsgroups: gmane.emacs.bugs Subject: bug#11162: 24.0.95; emacs hangs when jit fontifying C header file Date: Wed, 2 Oct 2019 21:12:34 -0700 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="73298"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 11162@debbugs.gnu.org To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 03 06:13:33 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 (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iFsUe-000Iyg-NU for geb-bug-gnu-emacs@m.gmane.org; Thu, 03 Oct 2019 06:13:32 +0200 Original-Received: from localhost ([::1]:32794 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFsUd-0000fA-LN for geb-bug-gnu-emacs@m.gmane.org; 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Thanks, Yann. On Wed, Oct 2, 2019 at 9:05 PM Stefan Kangas wrote: > > Yann Hodique writes: > > > steps to reproduce: > > - start emacs -Q pcsc_md.h (file attached) > > - scroll a bit (until line 50 in my case) > > - see that emacs is hanging forever, eating CPU > > > > I made some tests, and it seems jit-lock-mode is the culprit. > > Disabling fontification, or using alternate modes such as lazy-lock-mode > > or fast-lock-mode workarounds the issue. > > I'm writing regarding the above 7 year old bug report, that > unfortunately never got a reply at the time. > > I can't reproduce this on current master. Are you still seeing this on > a recent version of Emacs? > > If I don't hear back from you within a couple of weeks, I'll just assume > that this has been fixed and close this as unreproducible. > > Best regards, > Stefan Kangas