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

Wed Aug 15 01:55:18 UTC 2012
Johnny Hughes <jhughes at hughesjr.com>

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?

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