[CentOS] tigervnc-server-module crashes after EL 6.3 update

[Cal Webster]

On Tue, 2012-08-14 at 20:55 -0500, Johnny Hughes wrote:
> On 08/14/2012 05:23 PM, Cal Webster wrote:
> > We began experiencing failed vnc connections to the console display on
> > servers that have been updated to EL 6.3. No such failures have occurred
> > on similar connections to EL 6.2 servers.
> >
> > On the client machine a normal vncviewer display appears with the
> > expected graphical login until the mouse pointer is moved within the
> > boundaries of the vncviewer window. At this point the window closes and
> > an error message appears in both a pop-up window and in the terminal
> > window in which the session was initiated stating "read: Connection
> > reset by peer (104)".
> >
> > On the server end, a core dump is generated and a abrt bug report is
> > created.
> >
> > /var/log/messages
> > ----------------------------------------------
> > Aug 14 11:00:30 jato2 abrt[11411]: File '/usr/bin/Xorg' seems to be
> > deleted
> > Aug 14 11:00:30 jato2 abrt[11411]: Saved core dump of pid 7892
> > (/usr/bin/Xorg) to /var/spool/abrt/ccpp-2012-08-14-11:00:30-7892
> > (42041344 bytes)
> > Aug 14 11:00:30 jato2 abrtd: Directory 'ccpp-2012-08-14-11:00:30-7892'
> > creation detected
> > ----------------------------------------------
> >
> > This bug has been reported in the CentOS bug tracker here:
> >
> > 0005824: tigervnc-server-module keep crashing
> > http://bugs.centos.org/view.php?id=5824
> >
> > However, this appears to be a bug upstream. The source RPM provided with
> > CentOS is identical to that of upstream with no modifications. Also,
> > there is an upstream bug reported that appears to have the same
> > symptoms. I have added a comment to the upstream bug report (listed
> > below) if anyone wishes to see the details.
> >
> > tigervnc-server-module crashes with dual screen setup
> > https://bugzilla.redhat.com/show_bug.cgi?id=820443
> >
> >
> >
> > We have verified that rebuilding the unmodified source RPM for tigervnc
> > produces a tigervnc-server-module RPM that does not suffer from this
> > bug.
> >
> > Removing the original tigervnc-server-module package and replacing it
> > with the rebuilt one fixes the problem.
> >
> > I've duplicated the problem on 2 EL 6.3 x86_64 single-head display
> > machines and have verified the fix.
> >
> > Tomorrow, I'll duplicate the problem on a dual-head x86_64 machine that
> > currently still works after updating to EL 6.2 then confirm the the fix.
> >
> 
> Did you rebuild the SRPM using mock or directly on a physical machine
> with rpmbuild?
No mock, just a simple "rpmbuild -ba SPEC/tigervnc.spec"