[winswitch] Floating point exception when trying to start application on xpra display

[Antoine Martin]

On 21/08/16 00:03, dan l wrote:
> The versions I am using are not supported?
0.15.x is not, for details see:
http://xpra.org/trac/wiki/Versions

We do not provide newer binaries for FreeBSD. Building from source
should not be too difficult, but the wiki needs updating:
http://xpra.org/trac/wiki/Building#FreeBSD

> Would be happy to try a
> supported version and file a ticket.
For general guidelines, see:
http://xpra.org/trac/wiki/ReportingBugs

Cheers
Antoine


> 
> On Saturday, August 20, 2016, 1:00 PM, Antoine Martin
> <antoine at nagafix.co.uk> wrote:
> 
>     On 20/08/16 21:26, dan l wrote:
> 
>     > I have a script called /home/dan/run-calibre on the remote
>     machine, js1, that has the following contents:
>     > #!/bin/sh
>     > export QT_XKB_CONFIG_ROOT=/usr/local/share/qxkb
>     > /usr/local/bin/calibre
>     >
>     > I have an X server running on my local machine, and can start this
>     application without issue by doing the following on the local machine:
>     > DISPLAY=:0 ssh -Y dan at js1 <javascript:return> /home/dan/run-calibre
>     > *That works without issue.*
>     > Then, I try to run this under Xpra. I start Xpra like this:
>     > $ xpra start :101 --daemon=no --pulseaudio=no --mdns=no
>     > 2016-08-20 14:15:55,462 server uuid is
>     6f28c125f92b4f5b94c42f8526eacb4f
>     > 2016-08-20 14:15:55,642 no RandR support
>     > ** Message: pygobject_register_sinkfunc is deprecated (GstObject)
>     > 2016-08-20 14:15:55,972 using notification forwarder:
>     DBUSNotificationsForwarder(org.freedesktop.Notifications)
>     > 2016-08-20 14:15:55,978 xpra server version 0.15.10 (r11439)
>     > 2016-08-20 14:15:55,978 running with pid 11255
>     > 2016-08-20 14:15:56,009 xpra is ready.
>     >
>     > Then I try to start the application and get a Floating point
>     exception:
>     > $ DISPLAY=:101 /home/dan/run-calibre
>     > Floating point exception
>     > $
>     >
>     > Nothing appears in the xpra log/stdout when I do that. The xpra
>     server continues to run, and I can start other X clients (such as
>     xeyes) on it sucessfully.
>     >
>     > Any recommendations for how I can debug this?
>     > Some other info:  * the application, calibre, is an ebook
>     management application  * the application runs OK when the X server
>     on the local machine is Cygwin/X started with: "startxwin -- +iglx
>     -wgl" This is the non-Xpra case (that works) that I mention above  *
>     the remote system is FreeBSD 10.3. I realize the version of Xpra on
>     the remote system is not the latest (it is 0.15.10 r11439) but that
>     is the latest as a FreeBSD pkg
>     >  * the local system is Windows 10 using Xpra 0.17.4 (r12925)
> 
>     Calibre runs fine here on Fedora 24, I have tested it briefly with
>     trunk, 0.17.x and 0.14.x.
> 
>     Please try to see if you can reproduce the problem with a supported
>     version and if so, file a ticket with all the required details (full
>     version numbers, etc)
> 
>     Cheers
>     Antoine
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