From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34235: 27.0.50; lisp profiler does not work Date: Wed, 30 Jan 2019 18:41:58 +0200 Message-ID: <83muni14ix.fsf@gnu.org> References: <87o9807ht0.fsf@gmail.com> <83lg3330uq.fsf@gnu.org> <20190130133311.GA5463@ACM> <874l9qjgrx.fsf@gmail.com> <20190130161521.GA4051@ACM> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="33133"; mail-complaints-to="usenet@blaine.gmane.org" Cc: alex.branham@gmail.com, 34235@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 30 17:43:10 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 1gosxC-0008SH-07 for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Jan 2019 17:43:10 +0100 Original-Received: from localhost ([127.0.0.1]:40861 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gosxB-0001yH-1J for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Jan 2019 11:43:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:56504) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gosx4-0001yC-QB for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:43:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gosx4-00046X-5M for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:43:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52589) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gosx4-00046L-22 for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:43:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gosx3-0008J3-Pg for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:43:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Jan 2019 16:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34235 X-GNU-PR-Package: emacs Original-Received: via spool by 34235-submit@debbugs.gnu.org id=B34235.154886653831875 (code B ref 34235); Wed, 30 Jan 2019 16:43:01 +0000 Original-Received: (at 34235) by debbugs.gnu.org; 30 Jan 2019 16:42:18 +0000 Original-Received: from localhost ([127.0.0.1]:51870 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1goswM-0008I3-2Y for submit@debbugs.gnu.org; Wed, 30 Jan 2019 11:42:18 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:41987) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1goswI-0008Hn-JI for 34235@debbugs.gnu.org; Wed, 30 Jan 2019 11:42:16 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46253) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1goswC-0003iD-6a; Wed, 30 Jan 2019 11:42:08 -0500 Original-Received: from [176.228.60.248] (port=2962 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1goswB-0001V1-I7; Wed, 30 Jan 2019 11:42:08 -0500 In-reply-to: <20190130161521.GA4051@ACM> (message from Alan Mackenzie on Wed, 30 Jan 2019 16:15:21 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:154892 Archived-At: > Date: Wed, 30 Jan 2019 16:15:21 +0000 > Cc: 34235@debbugs.gnu.org > From: Alan Mackenzie > > It seems to be a Linux problem, at least at my end. > > I see the bug with kernel versions 4.19.17 and 4.19.13. > I don't see the bug with versions 4.18.19 and 4.19.10. > > It seems some incompatibility between Emacs and Linux was introduced in > one of the kernels 4.19.1[123]. Maybe some problems with the SIGPROF signal? Does the signal handler (handle_profiler_signal) get called at all when you are profiling? If the signal handler does get called, maybe it's the backtrace_top_function function that fails?