AW: virtviewer/gtk-vnc 0.5.4 crash on Windows

[Markus Stockhausen <stockhausen collogia de>]

Hi,

what a coincidence. I just got gdb up and running:

warning: section .gnu_debuglink not found in C:\Program Files (x86)\VirtViewer 
v2.0512\bin\libgtk-3-0.dll.debug
warning: section .gnu_debuglink not found in C:\Program Files (x86)\VirtViewer 
v2.0512\bin\libgtk-vnc-2.0-0.dll.debug
warning: section .gnu_debuglink not found in C:\Program Files (x86)\VirtViewer 
v2.0512\bin\libgvnc-1.0-0.dll.debug
[New Thread 14936.0x391c]
[New Thread 14936.0x37ec]
[New Thread 14936.0x370c]
[New Thread 14936.0x319c]
[New Thread 14936.0x3bec]
[New Thread 14936.0x1d04]
[New Thread 14936.0x39b4]

Program received signal SIGSEGV, Segmentation fault.
0x758d72b9 in USER32!GetPropW () from C:\Windows\syswow64\user32.dll
(gdb) bt
#0  0x758d72b9 in USER32!GetPropW () from C:\Windows\syswow64\user32.dll
#1  0x03282690 in _gtk_magnifier_get_magnification () from C:\Program Files (x86)\VirtViewer 
v2.0512\bin\libgtk-3-0.dll
#2  0x00000000 in ?? ()

Markus

________________________________________
Von: Fabiano Fidêncio [fabiano fidencio org]
Gesendet: Dienstag, 17. Februar 2015 19:11
An: Markus Stockhausen
Cc: Daniel P. Berrange; gtk-vnc-list gnome org
Betreff: Re: virtviewer/gtk-vnc 0.5.4 crash on Windows

Markus, Daniel,

On Tue, Feb 17, 2015 at 6:28 PM, Markus Stockhausen
<stockhausen collogia de> wrote:
> > Von: Daniel P. Berrange [dan berrange com]
> > Gesendet: Dienstag, 17. Februar 2015 16:45
> > An: Markus Stockhausen
> > Cc: Fabiano Fidêncio; gtk-vnc-list gnome org
> > Betreff: Re: virtviewer/gtk-vnc 0.5.4 crash on Windows
> >
> > On Tue, Feb 17, 2015 at 02:07:00PM +0000, Markus Stockhausen wrote:
> > > Hi,
> > >
> > > I had some time to install WinDBG for my problem. Dorry but no experience with gdb
> > > in Windows yet. Just to recover the current state:
> > >
> > > - Virt Viewer 2.0 (32Bit) installation on Windows 7 64 Bit
> > > - Replaced libgtk-vnc-2.0-0.dll with current version from Fedora koji
> > > - Replaced libgvnc-1.0-0.dll with current version from Fedora koji
> > > - libgdk-3-0.dll was not changed
> > >
> > > Programm crashes directly after opening a VNC connection to a VM (from an OVirt
> > > installation). Exception occurs at the attached location.
> > >
> > > Anything else I can help with?
> > >
> > > Markus
> > >
> > > (7f4.174c): Access violation - code c0000005 (first chance)
> > > First chance exceptions are reported before any exception handling.
> > > This exception may be expected and handled.
> > > eax=00000000 ebx=00000000 ecx=00000002 edx=00000002 esi=07783140 edi=05623fc8
> > > eip=70ed4dc4 esp=0028eaec ebp=0028ec30 iopl=0         nv up ei pl nz na pe nc
> > > cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010206
> > > *** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\Program Files 
> > > (x86)\VirtViewer v2.0256\bin\libgdk-3-0.dll -
> >
> >
> > That looks like a incompatibility between the version fo the DLLS
> > you have installed, and what gtk-vnc was built against. I think it
> > is simpler if you just uninstalled everything you have already and
> > then test this new MSI installer I just built
> >
> >   https://fedorapeople.org/~berrange/virt-viewer-x86-2.0-new-gtk-vnc.msi
> >
> > I've not tested this myself - i just did a fresh windows build with new
> > gtk-vnc and latest virt-viewer release. So consider it a test build, not
> > an official build
>
> Thanks for taking the time and providing that build. But I get the same error
> picture. After message "connected to graphics server" the VNC display
> crashes. The dump is the same.
>
> What I did:
> - deinstall old version
> - remove left-over installation folder
> - install new package (takes C:\Program Files (x86)\VirtViewer v2.0512)
> - fix file associations (this never really works ... :( )
>
> Markus

This patch solves the problem:
http://paste.stg.fedoraproject.org/4794/19665914/

Best Regards,
--
Fabiano Fidêncio

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