X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=-0.4 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_NUMERIC_HELO,SPF_HELO_PASS,T_RP_MATCHES_RCVD,T_TO_NO_BRKTS_FREEMAIL
X-Spam-Check-By:	sourceware.org
To:	cygwin AT cygwin DOT com
From:	nyc4bos AT aol DOT com
Subject:	Re: New version of w3m 0.5.2 Crashes - GDB help needed
Date:	Thu, 06 Jan 2011 19:25:30 -0500
Lines:	57
Message-ID:	<46d3o9lfut.fsf@aol.com>
References:	<461v5l46ht DOT fsf AT aol DOT com> <AANLkTimCHO=nJhnSuZDwkkRAH24Fq6vDZbJCothHX1zD AT mail DOT gmail DOT com> <81wrnaad66 DOT fsf AT aol DOT com> <AANLkTintjW8ckzp54shjmc+yQ7y-5Ev6Ap4q_qb8Xgg6 AT mail DOT gmail DOT com> <AANLkTikPoADsgJ2w2PAUdF1Wv5G+gUgRAs6yutTrXf7F AT mail DOT gmail DOT com> <46wrn4vv0i DOT fsf AT aol DOT com> <4662u3aw5m DOT fsf_-_ AT aol DOT com> <20110105212218 DOT GA21238 AT ednor DOT casa DOT cgf DOT cx> <AANLkTi=JN2w_Q3yz29GMo2trvH--aG9PES2pn9fXwZtY AT mail DOT gmail DOT com>
Mime-Version:	1.0
User-Agent:	Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (windows-nt)
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

Bob Heckel <bheckel AT gmail DOT com> writes:

> On Wed, Jan 5, 2011 at 16:22, Christopher Faylor wrote:
>> On Wed, Jan 05, 2011 at 04:16:37PM -0500, nyc4bosaol.com wrote:
>>>nyc4bosaol.com writes:
>>>
>>>Bob created a debug version of w3m for me.
>>>
>>>Here's what I see:
>>>
>>>The crash occurs when doin a `strncmp' in cygwin1.dll:
>>>
>>>      4 [main] w3m 3024 exception::handle: Exception: STATUS_ACCESS_VIOLATION
>>>   1564 [main] w3m 3024 open_stackdumpfile: Dumping stack trace to w3m.exe.stack
>>>dump
>>>
>>>Program received signal SIGSEGV, Segmentation fault.
>>>0x6110daf5 in strncmp () from /usr/bin/cygwin1.dll
>>>(gdb) bt full
>>>#0  0x6110daf5 in strncmp () from /usr/bin/cygwin1.dll
>>>No symbol table info available.
>>>#1  0x7c85ada0 in OutputDebugStringA ()
>>>   from /cygdrive/c/WINDOWS/system32/kernel32.dll
>>>No symbol table info available.
>>>#2  0x40010006 in ?? ()
>>>No symbol table info available.
>>>#3  0x00000000 in ?? ()
>>>No symbol table info available.
>>>(gdb)
>>
>> Looks to me like you need a debugging version of w3m with symbols.
>> You need to find out what's being passed to strncmp, possibly by setting a
>> breakpoint at 0x40110006.

Do you mean 0x40010006 ?

>
> If I did it right, this one includes the symbols:
> http://bheckel.sdf.org/cygwin/w3m/tmp/w3mdebug.tar.bz2

What debugging parameters did you pass it?

Did you pass:

    -g

for ALL of the .c files?

For instance, charset.c doesn't seem to be compiled debuggable.

I didn't see a config.log so all of that extra stuff must be
on your system.

Thanks for your help.

>
> Bob


--
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

- Raw text -