Fwd: failure notice

Tue Dec 8 16:49:00 GMT 2015

On 07/12/2015 16:17, Tom Kacvinsky wrote:
> On Mon, Dec 7, 2015 at 10:24 AM, Tom Kacvinsky wrote:
>> On Mon, Dec 7, 2015 at 10:19 AM, Jon Turney wrote:
>>> On 04/12/2015 14:20, Tom Kacvinsky wrote:
>>>> We have an interesting problem whereby an Linux X client application
>>>> crashes when running the X server on cygwin. We have a reproducer
>>>> for the problem, but it is a Qt example application stored in a tarball.
>>>>>>>> We have gathered the other information that would typically be requested.
>>>> I just need to know the best way of getting this information to the list.
>>>>>>>>> If the tarball is being rejected by the mailing list, I'd suggest you upload
>>> it to some file hosting site and send a link to the mailing list.
>>>>>> If that is really not possible for you (why?), you may, on this specific
>>> occasion only, mail it directly to me.
>>>> Hi Jon,
>>>> That is totally do-able. I will get it on a hosting site and send the link.
>> Here is the DropBox link.
>> https://www.dropbox.com/s/b6exaxm30j8q318/cygwin-x-repro.zip?dl=0

Sorry, I hadn't noticed that you are describing a crash in the Qt 
client, not the Cygwin X server.
So, firstly, this is a Qt issue.
It may well be that the multiwindow mode window manager for the Cygwin X 
server doesn't satisfy some expectation that Qt has (and I would be 
interested to know what that is), but Qt crashing is never the right
thing to do.
A backtrace of the Qt client when it crashes might be informative.
> Please note it is a Qt reproducer. We have some hard coded paths in
> the Makefile that you will need to modify. We are using Qt 4.8.6
> built on Ubuntu 12.04, 32 bit.
>> Steps to reproduce:
>> Build menus project
> Execute menus excutable
> Click on Edit to expand its menu
> Move the cursor down the menu and expand Format
> Move the cursor down the expanded menu and exit at the Center item
> move cursor to hover over File node.
> Menus app terminates

Nevertheless, I tried your reproducer in a Ubuntu 12.04 32-bit VM, but 
wasn't able to observe any crash.
I note that an Ubuntu 12.04 only seems to have Qt 4.8.1. Are you using 
a self-built Qt?
-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer
--
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