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:reply-to:mime-version:to
	:subject:references:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=s0thfqpWNR7+9MfA
	5+k1nt38msj1yRvW7MYoYhB/99kosRbMn/s5zIoqGbK3KHL4eawGF+R5FlLQzue9
	PxpQAp0AEqUO6pyYC81ZGlsguW2zzNPD2UYy6CrbLdtz0Wh9D6XrfenK4AS5R+rC
	tQNn5ZKDd8lcNlrYftGSIAOterI=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Message-ID: <545D36C5.5060006@aol.com>
Date: Fri, 07 Nov 2014 16:16:53 -0500
From: Tim Prince <n8tm AT aol DOT com>
Reply-To: tprince AT computer DOT org
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.33-0.8
References: <announce DOT 20141107091107 DOT GS28195 AT calimero DOT vinschen DOT de>
In-Reply-To: <announce.20141107091107.GS28195@calimero.vinschen.de>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


On 11/7/2014 4:11 AM, Corinna Vinschen wrote:
>
> - GCC 4.9.2-1 DLLs accidentally call __cxa_atexit with the wrong DSO
>   handle value.  This Cygwin update allows this scenario throughout.
>   It now understands *any* DSO handle value, as long as it's a pointer
>   into the DSO's address space.
>   This fixes: https://cygwin.com/ml/cygwin/2014-11/msg00122.html
>
>   If you don't build applications or DLLs with Cygwin, you can safely
>   ignore this change.
>
>
> If you want to help testing this new release (which I seriously hope
> for), you can find it in your setup-x86.exe or setup-x86_64.exe as
> "test" release.
>
>
>
I take it from now on it should be OK to take the default for 

__cxa_atexit

when configuring to build gcc.  Thanks for explanation.
I'm repeating some tests with 1.7.33-0.8 and gcc/gfortran 4.9.2-1

no surprises, thanks (following segfault apparently unchanged, running with AV and Defender disabled, but failure not seen with gfortran 5.0):

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:
1181925 [main] profile_omp 3684 fixup_mmaps_after_fork: ReadProcessMemory failed
 for MAP_PRIVATE address 0x6FE5FC60000, Win32 error 998
2248013 [main] profile_omp 3684 C:\users\tim\tim\tim\src\campbell\Profile_send_3
Nov14\profile_omp.exe: *** fatal error in forked process - recreate_mmaps_after_
fork_failed
3891395 [main] profile_omp 3684 cygwin_exception::open_stackdumpfile: Dumping st
ack trace to profile_omp.exe.stackdump
      6 [main] profile_omp 1992 fork: child -1 - forked process 3684 died unexpe
ctedly, retry 0, exit code 0x100, errno 11
  11849 [main] profile_omp 1992 cygwin_exception::open_stackdumpfile: Dumping st
ack trace to profile_omp.exe.stackdump

-- 
Tim Prince


--
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