X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:subject :references:in-reply-to:content-type:content-transfer-encoding; q=dns; s=default; b=C3rwpli1/9ZJOTaol/7lKyJpQtNrOT8nk23qp1kzbNn w8GAbBD0AatajBCaVmEuSYCqzV7F16VdVr8MAxNv4y8oOi+JN1HYjS25vzRSN0eE TJo88g1RwYug5MzW7wWbze/3emH+SDG0HhzAIeGpc3AhTH1mCm4eS7LZS6+Q4fEo = DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:subject :references:in-reply-to:content-type:content-transfer-encoding; s=default; bh=TNBijWQ34YnzaDF4eYJpohxw95s=; b=Qez3dipNA+63gYRPB f0nPAqvON/bvaYRGYXQh+YRFvt/e538W46FxuAI1Eu6G1O6Vv16SOa9jtI2dKGh0 IiZYXlYeo8Ij7oElqG8rgKkoFo9ShetwFzlya6WxUbJN0Jw6u/2rP0GkSmjsLgJK eH4fkQxj+A7k0e1dvxD+EV6pmQ= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,RCVD_IN_HOSTKARMA_NO,RDNS_NONE,SPF_PASS autolearn=no version=3.3.1 X-CornellRouted: This message has been Routed already. Message-ID: <51FFBDFF.7040501@cornell.edu> Date: Mon, 05 Aug 2013 11:00:15 -0400 From: Ken Brown User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: 64-bit emacs crashes a lot References: <51F3151D DOT 7040000 AT cs DOT utoronto DOT ca> <51F33565 DOT 1090406 AT cornell DOT edu> <51F33F52 DOT 4060405 AT cs DOT utoronto DOT ca> <51FB1D9E DOT 5090102 AT cs DOT utoronto DOT ca> <20130802080211 DOT GA18054 AT calimero DOT vinschen DOT de> <51FB9228 DOT 2020309 AT cornell DOT edu> <51FBA100 DOT 90005 AT cs DOT utoronto DOT ca> <51FD5462 DOT 5020400 AT cs DOT utoronto DOT ca> In-Reply-To: <51FD5462.5020400@cs.utoronto.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/3/2013 3:05 PM, Ryan Johnson wrote: > On 02/08/2013 8:07 AM, Ryan Johnson wrote: >> On 02/08/2013 7:04 AM, Ken Brown wrote: >>> On 8/2/2013 4:02 AM, Corinna Vinschen wrote: >>>> On Aug 1 22:46, Ryan Johnson wrote: >>>>> Here's a new one... I started a compilation, but before it actually >>>>> invoked the command it started pegging the CPU. After ^G^G^G, it >>>>> crashed with the following: >>>>>> Auto-save? (y or n) y >>>>>> 0 [main] emacs 5076 C:\cygwin64\bin\emacs-nox.exe: *** fatal >>>>>> error - Internal error: TP_NUM_W_BUFS too small 2268032 >= 10. >>>> >>>> That looks like a memory overwrite. 2268032 is 0x229b80, which looks >>>> suspiciously like a stack address. And the overwritten value is on the >>>> stack, too, well within the cygwin TLS area. If *this* value gets >>>> overwritten, the TLS is probbaly totally hosed at this point. There's >>>> just no way to infer the culprit from this limited info. >>> >>> Could this be BLODA? Ryan, I noticed that you wrote in a different >>> thread, "I recently migrated to 64-bit cygwin...and so far have not >>> had to disable Windows Defender; the latter was a recurring source of >>> trouble for my previous 32-bit cygwin install on Win7/64." >> This would be a whole new level of nasty from a BLODA... I thought >> they only interfered with fork()? >> >> However, this *is* Windows Defender we're talking about... service >> disabled and all cygwin processes restarted. I'll let you know in a >> day or so if the crashes go away. > Rats. I just had another crash, the "Fatal error 6" variety. Windows > Defender has not turned itself back on (it's been known to do that), and > a scan of the BLODA list didn't match anything else on my system. > > So I don't think it's BLODA... > > Ideas? Not really, other than the obvious: (a) Find a reproducible way of making emacs-nox crash. (b) Catch the crash in gdb by setting a suitable break point. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple