DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=Ra6fs28OFYT4TPoF
	qknQmlxS557smiYRGgQU4GwGEP/wIu0cKHjqSAI0uSS25Yu3kAXkDoVeR5ozq8lu
	XL1Oc3BtBkeedBXBxfbWHDF0PDU0/PN0kEgfCP3qAja4pY1wakKXyAzRSgxaJ+lH
	2RJaX1Atp++9rr4/UZxQTsvxdP8=
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
Subject: Re: Octave segmentation fault when plotting graph
To: cygwin AT cygwin DOT com
References: <7686-1460461987-751548 AT sneakemail DOT com>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <570CE8E7.4080706@gmail.com>
Date: Tue, 12 Apr 2016 14:24:07 +0200
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2
MIME-Version: 1.0
In-Reply-To: <7686-1460461987-751548@sneakemail.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit

On 12/04/2016 13:53, Stephen Wilkinson wrote:
> Tatsuro: I tried to roll back to earlier version of Cygwin (all packages) but that broke several other things.
>
> Marco: I confirm that was broken for 32-bit. I've just installed Cygwin 64-bit and Octave works as expected. I got crashes with fltk and qt graphic toolkits, but I admit I didn't try gnuplot. All was working fine until I updated -- I can't remember what version of Octave I was running but 4.0.0 sounds about right.
>
> Regards,
> Steve
>

I guess Tatsuro was thinking to revert only cygwin package to 2.4.1.
I just tried and it makes no difference.


the segfault seems in the X libraries

#1  0x43934357 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#2  0x439346c6 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#3  0x4385314d in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#4  0x4384bd7d in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#5  0x4384c247 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#6  0x43967ca5 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#7  0x436978c6 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#8  0x4366a3a2 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#9  0x43651882 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#10 0x43666f95 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#11 0x43563674 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#12 0x43563ce9 in gallium_dri!__driDriverGetExtensions_swrast ()
    from E:/cygwin/lib/dri/swrast_dri.so
#13 0x4ac0a82c in opengl_renderer::set_polygon_offset (this=0x806b1030,
     on=false, offset=0)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.cc:2916
#14 0x4ac0c8e6 in opengl_renderer::draw_axes_planes (
     this=this AT entry=0x806b1030, props=...)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.cc:904
#15 0x4ac11110 in opengl_renderer::draw_axes (this=0x806b1030, props=...)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.cc:1474
#16 0x4ac0ae07 in opengl_renderer::draw (this=0x806b1030, go=...,
     toplevel=false)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.cc:589
#17 0x4afc355b in opengl_renderer::draw (this=this AT entry=0x806b1030,
     hlist=..., toplevel=toplevel AT entry=false)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.h:81
#18 0x4ac0cd5d in opengl_renderer::draw_figure (this=0x806b1030, props=...)
     at /usr/src/debug/octave-4.0.1-1/libinterp/corefcn/gl-render.cc:615
#19 0x4ac0ae07 in opengl_renderer::draw (this=0x806b1030, go=...,


It will take a while to find the root cause...

--
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