Re: X server crash when running texworks

[Jon TURNEY <jon dot turney at dronecode dot org dot uk>]

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.

[1] http://x.cygwin.com/devel/backtrace.html

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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