Re: X server crash when running texworks

[Ken Brown <kbrown at cornell dot edu>]

On 3/26/2012 4:06 PM, Jon TURNEY wrote:
> On 26/03/2012 20:47, Ken Brown wrote:
> > On 3/24/2012 3:47 PM, Ken Brown wrote:
> > > To reproduce:
> > >
> > > 1. Install texworks-0.4.3-1 from Cygwin Ports.
> > >
> > > 2. Create two tex files in your home directory, say test1.tex and
> > > test2.tex. I don't know if the contents matter, but in my case both
> > > files contain the following:
> > >
> > > \documentclass{article}
> > > \begin{document}
> > > Hello
> > > \end{document}
> > >
> > > 3. Start the X server by using the Start Menu shortcut.
> > >
> > > 4. Start texworks by typing "texworks&" in an xterm window.
> > >
> > > 5. Click on the "Open" icon to open one of the tex files. Then do the
> > > same to open the second.
> > >
> > > At this point the X server crashes and gives the message "Caught signal
> > > 11 (segmentation fault)". Server aborting."
> > >
> > > Before the crash I get the following warning in the xterm window when I
> > > open a file:
> > >
> > > QFileSystemWatcher: failed to add paths: /home/kbrown
> > >
> > > I don't know if this is significant.su
> > >
> > > I'm attaching cygcheck output and XWin.0.log.
> > >
> > > Ken
> > >
> > > P.S. I'm currently using the test version of xorg-server (1.12.0-1), but
> > > I can reproduce the crash with 1.11.4-5 also. Also, I'm currently
> > > testing the latest Cygwin snapshot. I just tried reverting to 1.7.11,
> > > and the X server still crashed, but not just from opening two files. I
> > > had to open and compile several tex documents before it happened.
> >
> > One further detail for anyone trying to reproduce this:  I just tried it on a
> > second computer, and my recipe didn't immediately produce the crash.  But I
> > simply started trying to use texworks (loading and compiling various tex
> > documents), and the X server crashed within a few minutes.
>
> Thanks very much for the detailed report.
>
> On the off chance this is a known issue, would you mind downloading the X
> server symbols and getting a backtrace using the instruction on [1], before I
> try to reproduce it.

OK, the backtrace is attached.

Ken

Attachment: xorg-server-1.12.0-1_crash
Description: Text document

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