From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#60220: 29.0.60; macOS 13.1 crash shortly after starting Emacs Date: Thu, 29 Dec 2022 16:08:37 -0800 Message-ID: References: <24A595DF-81D8-47E7-90BC-FCDDB27315E8@gmail.com> <83ilhz2r14.fsf@gnu.org> <83r0wl0z6g.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1878"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Cc: gerd.moellmann@gmail.com, Eli Zaretskii , 60220@debbugs.gnu.org To: Aaron Jensen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 30 01:14:40 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pB32l-0000E8-FI for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 29 Dec 2022 16:08:37 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.9.2 zimbra.cs.ucla.edu DD97016006E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=78364E5A-2AF3-11ED-87FA-8298ECA2D365; t=1672358917; bh=1Dxf+iunDH/3IWHmvpqufrRYweJN6ORlNBWp7M8c28s=; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type: Content-Transfer-Encoding; b=r803H9yTN4yNtIlct8EI8ErVnSeLFNVb0IVjSOPmtkX8HB3bjraPf+6dmzwX3ap3r qSLiJEZxyt7av/xmT/d3Qz2mdR8jpbJQ5Iybz3kUBWHwCEYf1yl11fakCJR8bKZsnp 1bpC6rvHp8VaNSqyJI5J2rIe3c/zlCUQOopD1UgM= X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id WJE43LFdd2VL; Thu, 29 Dec 2022 16:08:37 -0800 (PST) Original-Received: from [192.168.86.236] (cpe-172-91-119-151.socal.res.rr.com [172.91.119.151]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id AC8BD160066; Thu, 29 Dec 2022 16:08:37 -0800 (PST) Content-Language: en-US In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:252074 Archived-At: On 12/29/22 15:59, Aaron Jensen wrote: > On Thu, Dec 29, 2022 at 6:49 PM Paul Eggert wrote: >> >> Could it by that the dynamic linker is being invoked recursively? That >> is, while something is being dynamically linked, a SIGALRM or equivalent >> arrives, some idle timer code is run, and the dynamic linker is invoked >> before the outer linker finishes? I imagine that might put some dynamic >> linkers into a tizzy. > > I have no idea, would we see that in the trace at all? Not necessarily from the traces you sent. For example, if the inner dynamic linker function corrupts data but returns, the crash will occur when there's only one dynamic linker activation record on the stack, even though that call wasn't the problem. It may require some macOS expertise and access to a dynamic debugger to diagnose this further. (I have neither.) Possibly you could deduce it by running Emacs under dtrace or equivalent (sorry, can't help you with that either).