Re: gnome_shell crash when connecting a second monitor on a ThinkPad T60

On Fri, Jul 19, 2013 at 4:55 AM, Tomasz Torcz <tomek pipebreaker pl> wrote:

On Fri, Jul 19, 2013 at 01:03:19PM +0200, drago01 wrote:
On Fri, Jul 19, 2013 at 5:26 AM, Dave Johansen <davejohansen gmail com>
I just upgraded my ThinkPad T60 from CentOS 6 to Fedora 19 and
whenever I connect it to the dock with a second VGA monitor connected
to the dock, gnome_shell crashes. This worked fine under CentOS 6 and
the keyboard and mouse continue to work, but I can't do anything with
the shell.

The problem is  that you are over the texture size limit of your GPU:

glxinfo -l | grep GL_MAX_TEXTURE_SIZE

(should be 2048 in your case). So your combined res cannot be wider
then 2048 in either direction).
Adding the second monitor exceeds the limit.

  There's a bug for that!

Thanks. That info is very helpful.

From what I can tell, it appears that support for per-crtc pixmaps has
been added:

So now my question is what is the problem currently? Is that
functionality just not being used by X/gnome_shell? Or is there some
setting that I need to change to enable its use?

Also, would it be possible to have gnome_shell give an error message
indicating what the problem is in these cases?


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