Hello everyone

I am using ROS after a while. I was working on electric on Ubuntu 11.10, When I switched to Ubuntu 12.10 and groovy (as I guess Hydro is not yet officially released) I am quite disturbed to see that gazeebo is crashing frequently. (I intend to work only on simulation for now (no real robots)0

command : roslaunch pr2gazebo pr2empty_world.launch often fails and when it is able to open gazebo it prints a lot of error on console like

Error [Events.hh:141] Events::ConnectWorldUpdateStart is deprecated in v 1.5.0. Please use Events::ConnectWorldUpdateBegin 

many a times and also

...
Error [SDF.cc:760] Missing element description for [CxPrime]
...
Error [SDF.cc:760] Missing element description for [depthImageCameraInfoTopicName]
Error [SDF.cc:760] Missing element description for [CxPrime]
[ INFO] [1377449839.107797620]: Camera plugin missing , defaults to 0
[ INFO] [1377449839.107928452]: Camera plugin missing , defaults to 0
[ INFO] [1377449839.107999467]: Camera plugin missing , defaults to 0
[ INFO] [1377449839.108094481]: Camera plugin missing , defaults to 0
[ INFO] [1377449839.108160024]: Camera plugin missing , defaults to 0
[ WARN] [1377449839.108264716]: gazebo_ros_camera_ simulation does not support non-zero distortion parameters right now, your simulation maybe wrong.
[ INFO] [1377449839.255279715]: Reconfigure request for the gazebo ros camera_: head_mount_kinect_rgb. New rate: 2.00
Error [SDF.cc:760] Missing element description for [depthImageTopicName]
Error [SDF.cc:760] Missing element description for [depthImageCameraInfoTopicName]
Error [SDF.cc:760] Missing element description for [CxPrime]
....
Error [SDF.cc:760] Missing element description for [pointCloudTopicName]
Error [SDF.cc:760] Missing element description for [depthImageTopicName]
Error [SDF.cc:760] Missing element description for [depthImageCameraInfoTopicName]
Error [SDF.cc:760] Missing element description for [pointCloudCutoff]
....

And often it fails saying that process has died.

Could it be an issue with my graphics card? (Although when it runs (unable to do arm manipulation so far), I get 0.84 times real speed). I don't think my nvidia 630M card is being used (I am using i7 2.3Ghz/8GB Ram (Asus K55V))

I get following on

$ lspci -nnk | grep -i vga -A3 | grep 'in use'
    Kernel driver in use: i915
    Kernel driver in use: nouveau

and on

sudo  lshw -c video
  *-display

       description: VGA compatible controller
       product: GF108 [GeForce GT 630M]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vgacontroller busmaster caplist rom
       configuration: driver=nouveau latency=0
       resources: irq:16 memory:f6000000-f6ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:f7000000-f707ffff
  *-display
       description: VGA compatible controller
       product: 3rd Gen Core processor Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vgacontroller busmaster caplist rom
       configuration: driver=i915 latency=0
       resources: irq:49 memory:f7400000-f77fffff memory:d0000000-dfffffff ioport:f000(size=64)

Is there a way to start pr2 simulation reliably. Any help/comment is greatly appreciated.