From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot1-x330.google.com (mail-ot1-x330.google.com [IPv6:2607:f8b0:4864:20::330]) by sourceware.org (Postfix) with ESMTPS id 6D7463857C4E for ; Thu, 23 Jul 2020 18:39:45 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 6D7463857C4E Received: by mail-ot1-x330.google.com with SMTP id 5so5092659oty.11 for ; Thu, 23 Jul 2020 11:39:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=2il0N4E5Jx0IcoOiJdPT9d/1ynGFPlpME+brdab4IaQ=; b=kI9JmV1lsvB5NfHCx5Za7QknGwkNr35jgujf5nR5IkHDQ4AUrmTdX7fame4HZKVIj1 WtJbEaq6ro7zed7Y1A+wS4UQfXSanzEqvWC9sW6/YNCn7l2LZUMhnlYYSNybGiejKgz7 aO9Dbvn/B7KRFQVxRwmq8T3OJYkppglp8oD+mo0M1p8AEzmqOvhTY2TBuYe0fejwJQi/ ehsC5iIx95jo1B1ZJltI0J8brOd0aqCvrA01IiVSdCpdJp3CWMPGaLTQpv7DHLllDFlw pstErh9fndtlgw2S0MHBvfniouptj6ATQmPQL8zmEyook6kcyJio3sj+y2mUUZfSF3xN 7M3A== X-Gm-Message-State: AOAM5303N5VUs0HLU2Np8s8WPq6wj9KJty6WG4iNSfmbPN63LTPx7tNv 858htAX4lf/SSE99MThX+/AKZ2EuTw2/j3Q+ABKbPg== X-Google-Smtp-Source: ABdhPJzQmcr4m5tRDeiqZplBITgD5XDWdX6cO+ZMT2G9v3Tz6WPh1nFccCgYgUe9YgYE7hXKKb0R58Y7rHs4TmlhCKw= X-Received: by 2002:a9d:620d:: with SMTP id g13mr5259491otj.237.1595529584537; Thu, 23 Jul 2020 11:39:44 -0700 (PDT) MIME-Version: 1.0 References: <20200718141223.0736bb2c@quarternote> <41425d86-4980-699c-fbce-17d10355f8ff@gmail.com> <20200719112321.4d66f748@quarternote> <20200720201247.31248857@quarternote> <45531187-c62c-f08b-a3a5-c6b8f0b7a78c@SystematicSw.ab.ca> <3e1ba674-65b0-7efa-88a2-c256f6d819fb@gmail.com> <45480e91-cbce-cc9f-dd55-4cd2c932b839@gmail.com> <63b0ea9f-040b-e2a3-3835-3bd990efdc1b@cornell.edu> <1a30470a-913e-eb07-5f3f-11839d93a603@SystematicSw.ab.ca> In-Reply-To: <1a30470a-913e-eb07-5f3f-11839d93a603@SystematicSw.ab.ca> From: Tony Richardson Date: Thu, 23 Jul 2020 13:39:33 -0500 Message-ID: Subject: Re: graph (plotutils) seg-faulting To: cygwin X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jul 2020 18:39:47 -0000 On Thu, Jul 23, 2020 at 12:18 PM Brian Inglis < Brian.Inglis@systematicsw.ab.ca> wrote: > > On 2020-07-23 11:00, Tony Richardson via Cygwin wrote: > > On Thu, Jul 23, 2020 at 11:49 AM Ken Brown via Cygwin wrote: > >> On 7/23/2020 12:48 AM, Marco Atzeri via Cygwin wrote: > >>> On 23.07.2020 00:12, Ken Brown via Cygwin wrote: > >>>> On 7/22/2020 6:07 PM, Tony Richardson via Cygwin wrote: > >>>>> On Wed, Jul 22, 2020 at 3:48 PM Marco Atzeri via Cygwin wrote: > >>>>>> On 22.07.2020 14:06, Ken Brown via Cygwin wrote: > >>>>>>> On 7/22/2020 1:36 AM, Marco Atzeri via Cygwin wrote: > >>>>>>>> On 22.07.2020 02:10, Tony Richardson via Cygwin wrote: > > >>>>>>>>> I have attached both the cygcheck and strace output. > > >>>>>>>> something is clearly interfering with your Cygwin installation > >>>>>>>> > >>>>>>>> --- Process 11136 loaded C:\Applications\cygwin64\bin\cygwin1.dll > at > >>>>>>>> 0000000000c80000 > >>>>>>>> --- Process 11136 unloaded DLL at 0000000000c80000 > > >>>>>>> > >>>>>>> I can reproduce the problem on my system: > >>>>>>> > >>>>>>> $ strace graph > >>>>>>> ... > >>>>>>> Segmentation fault > >>>>>>> > >>>>>>> I thought that simply rebuilding plotutils might fix the problem, > >>>>>>> but there were a lot of compilation warnings, and the build > >>>>>>> failed. Some of the warnings look serious to me, but I have no > >>>>>>> idea if they could cause Windows to try to load DLLs at strange > >>>>>>> addresses. > > >>>>>> I rebuilt and uploaded a test version 2.6-6 only for 64bit > >>>>>> try to see if something change > > >>>>> I tried the test version, unfortunately it still segfaults for me. > > >>> no surprise. It was unlikely to work > > >>>> Same for me. I'm also getting strange output from ldd, but maybe > >>>> that's just another manifestation of the same problem: > >>>> > >>>> $ ldd /usr/bin/graph > >>>> ntdll.dll => /c/WINDOWS/SYSTEM32/ntdll.dll (0x7ff82a4c0000) > >>>> KERNEL32.DLL => /c/WINDOWS/System32/KERNEL32.DLL (0x7ff8289c0000) > >>>> KERNELBASE.dll => /c/WINDOWS/System32/KERNELBASE.dll (0x7ff8280c0000) > >>>> cygplot-2.dll => /usr/bin/cygplot-2.dll (0x9f0000) > >>>> cygplot-2.dll => /usr/bin/cygplot-2.dll (0xbf0000) > >>>> cygplot-2.dll => /usr/bin/cygplot-2.dll (0xbf0000) > >>>> cygwin1.dll => /usr/bin/cygwin1.dll (0xd20000) > >>>> [...] > >>>> cygintl-8.dll => /usr/bin/cygintl-8.dll (0x1760000) > >>>> cygintl-8.dll => /usr/bin/cygintl-8.dll (0x1760000) > >>>> cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x1780000) > >>>> cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x1780000) > > >>> can you check with > >>> cat /proc/self/maps > >>> Usually I see > > > Again nothing unusual. > > >> There really does seem to be something peculiar about the graph > program. I > >> don't recall ever seeing this behavior with any other program. Since > it > >> doesn't happen to everyone, it might depend on the Windows version. > Mine > >> is Windows 10 1909, Build 18363.959. > >> > >> I'm going to drop out of this discussion now. I'm not a graph user, > and I > >> only jumped in to confirm that I could reproduce the problem, so that > the > >> other posters wouldn't think the problem was just with their systems. > > > My office machine (one of the problem machines) is running exactly the > same > > version/build of Windows 10. > > Office machines tend to run Enterprise builds which may be customized in > many > ways unlike OEM/Retail/Home W10. > > Check with `which -a graph` that some MS or other module is not being > injected > into your search path. > > Unfortunately (at this point), I get just: /usr/bin/graph I've restricted the PATH using: PATH=/usr/bin strace graph and still get a segfault. Tony