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Date: Mon, 21 Jan 2002 22:18:54 +0100
From: Corinna Vinschen <cygwin-apps AT cygwin DOT com>
To: cygwin-apps AT sources DOT redhat DOT com
Subject: Re: setup crashing (attn Corinna)
Message-ID: <20020121221854.A23034@cygbert.vinschen.de>
Mail-Followup-To: Corinna Vinschen <cygwin-apps AT cygwin DOT com>,
	cygwin-apps AT sources DOT redhat DOT com
References: <022e01c1a1b6$da6c6060$0200a8c0 AT lifelesswks>
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On Mon, Jan 21, 2002 at 12:32:05AM +1100, Robert Collins wrote:
> Corinna,
> 
> Something seriously funny was going on in the C++/C runtime interaction.
> Rather than try and explain it, I've linked in a recent version of Doug
> Lea's malloc, which also had a couple of quirks, that I've (apparently)
> fixed.
> 
> If you could see if the problematic site still affects you that would be
> great. (It doesn't affect me anymore).
> 
> I did find some oddities, but fixing them didn't resolve the issue,
> which is why the new malloc...
> 
> Even once a malloc strace showed no double-frees, not delete of new[] or
> malloc'd data etc etc, it would still have that HEAP error. *shrug*.

Unfortunately I have still the SEGV.  It doesn't happen anymore
when accessing gd.tuwien.ac.at.

But it happens when I'm accessing the private mirror site I'm using
usually.  I've attached the gdb session.

Corinna

(gdb) r
Starting program: /home/corinna/./setup.exe
warning: LOG: 2 2002/01/21 22:13:12 Starting cygwin install, version 2.177
warning: LOG: 0 Current Directory: D:\home\corinna
warning: LOG: 2 2002/01/21 22:13:12 Command line parameters

warning: LOG: 2 2002/01/21 22:13:12 0 - 'D:\home\corinna\setup.exe'

warning: LOG: 2 2002/01/21 22:13:12 1 parameters passed

warning: LOG: 0 source: network install
warning: LOG: 0 root: C:/cygwin binary system
warning: LOG: 0 Selected local directory: C:\cygwin\install
warning: LOG: 0 net: Direct
warning: LOG: 1 get_url_to_membuf http://sources.redhat.com/cygwin/mirrors.lst
warning: LOG: 0 site: ftp://gateway/cygwin
warning: LOG: 1 get_url_to_membuf ftp://gateway/cygwin/setup.ini
warning: LOG: 1 ftp > 220-Hello compaq.vinschen.de, there are 0 (max 3) users logged in at the moment.
warning: LOG: 1 ftp > 220-Local time is: Mon Jan 21 22:13:24 2002
warning: LOG: 1 ftp > 220-
warning: LOG: 1 ftp > 220-Please use your email address as password and NOT silly words
warning: LOG: 1 ftp > 220-like "mozilla@" or "WWWuser@", as some Web browsers do!
warning: LOG: 1 ftp > 220-
warning: LOG: 1 ftp > 220-If you have any questions concerning this ftp archive or would
warning: LOG: 1 ftp > 220-like to announce your uploads, please send a mail to the ftp-admin
warning: LOG: 1 ftp > 220-of this server: mh AT mike DOT franken DOT de
warning: LOG: 1 ftp > 220-
warning: LOG: 1 ftp > 220-All transfers are logged. If you don't like this, disconnect now.
warning: LOG: 1 ftp > 220-
warning: LOG: 1 ftp > 220 aqua.hirmke.de FTP server (Version wu-2.6.0(1) Wed Nov28 18:00:59 GMT 2001) ready.
warning: LOG: 1 ftp > 331 Guest login ok, send your complete e-mail address as password.
warning: LOG: 1 ftp > 230 Guest login ok, access restrictions apply.
warning: LOG: 1 ftp > 200 Type set to I.
warning: LOG: 1 ftp > 227 Entering Passive Mode (192,168,129,5,131,71)
warning: LOG: 1 ftp > 150 Opening BINARY mode data connection for /cygwin/setup. ini (52399 bytes).

Program received signal SIGSEGV, Segmentation fault.
[Switching to thread 3224.0x65c]
0x00425b55 in malloc (bytes=40)
    at /home/corinna/src/cygwin/src/winsup/cinstall/dlmalloc.c:3394
3394          fwd->bk = victim;
(gdb) p fwd
$1 = 0x0
(gdb)