X server crash when running texworks

[Ken Brown]

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

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