Hi, During compilation of tutorial one dependency for package "ros_experimental_trunk" could not be resolved. After ignoring this and launching map_building_demo.launch, gazebo starts. But PR2 is not visible properly. Only gripper and some shadow is visible. Rviz do not starts on its own. I am getting following errors: ignoring link without visual tag: narrow_stereo_gazebo_l_stereo_camera_optical_frame ignoring link without visual tag: narrow_stereo_gazebo_r_stereo_camera_optical_frame ignoring link without visual tag: narrow_stereo_optical_frame ignoring link without visual tag: wide_stereo_gazebo_l_stereo_camera_optical_frame ignoring link without visual tag: wide_stereo_gazebo_r_stereo_camera_optical_frame ignoring link without visual tag: wide_stereo_optical_frame ignoring link without visual tag: l_forearm_cam_optical_frame [INFO] 1279104879.059226: Waiting for controller manager to start ignoring link without visual tag: l_gripper_led_frame ignoring link without visual tag: r_forearm_cam_optical_frame ignoring link without visual tag: r_gripper_led_frame [ INFO] 0.000000000: waiting for gazebo factory, usually launched by 'roslaunch `rospack find gazebo`/launch/empty_world.launch' Gazebo successfully initialized [ INFO] 0.001000000: Callback thread id=0xa410768 ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 148608) Bad address . [pr2_gazebo_model-3] process has finished cleanly. log file: /home/nitin/.ros/log/30815278-8f36-11df-aeb5-00248119e15c/pr2_gazebo_model-3*.log [ WARN] 5.466000000: WARNING: gazebo_ros_laser plugin artifically sets minimum intensity to 101.000000 due to cutoff in hokuyo filters. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 187: (0 19008) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 280: (0 19008) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 280: (0 19008) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 280: (0 19008) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 132480) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 184: (0 200832) Bad address . [ INFO] 5.466000000: [stereo_image_proc] Reconfigure request received ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 326: (0 73728) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 333: (0 29184) Bad address . [ INFO] 5.466000000: [stereo_image_proc] Reconfigure request received BAYER_BGGR8 not supported, using default Ogre::PF_R8G8B8 BAYER_BGGR8 not supported, using default Ogre::PF_R8G8B8 [ INFO] 5.466000000: trigger_mode trigger_mode streaming [ INFO] 5.466000000: [stereo_image_proc] Reconfigure request received VERTEX_NORMAL_SET: Recomputed 480 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 326: (0 75456) Bad address . VERTEX_NORMAL_SET: Recomputed 960 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 359: (0 59904) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 365: (0 49152) Bad address . VERTEX_NORMAL_SET: Recomputed 300 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 373: (0 58944) Bad address . VERTEX_NORMAL_SET: Recomputed 600 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 381: (0 34560) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 381: (0 49152) Bad address . VERTEX_NORMAL_SET: Recomputed 468 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 326: (0 72000) Bad address . VERTEX_NORMAL_SET: Recomputed 240 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 405: (0 29952) Bad address . ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 413: (0 12288) Bad address . STLA_READ - Fatal error! Unrecognized first word on line. VERTEX_NORMAL_SET: Recomputed 516 face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 423: (0 16512) Bad address . STLA_READ - Fatal error! Unrecognized first word on line. VERTEX_NORMAL_SET: Recomputed 660 face vertex normals. FACE_NORMAL_AVE: Recomputed 220 face normals by averaging face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 423: (0 21120) Bad address . STLA_READ - Fatal error! Unrecognized first word on line. VERTEX_NORMAL_SET: Recomputed 414 face vertex normals. FACE_NORMAL_AVE: Recomputed 138 face normals by averaging face vertex normals. ../../intel/intel_bufmgr_gem.c:1061: Error writing data to buffer 326: (0 85248) Bad address . STLA_READ - Fatal error! Unrecognized first word on line. VERTEX_NORMAL_SET: Recomputed 660 face vertex normals. FACE_NORMAL_AVE: Recomputed 220 face normals by averaging face vertex normals. STLA_READ - Fatal error! Unrecognized first word on line. . . . Are these due to improper graphics card installations? Stage tutorial ran without any issue. thanks nitin -- View this message in context: http://ros-users.122217.n3.nabble.com/building-a-map-in-simulation-tp965733p966159.html Sent from the ROS-Users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ ros-users mailing list ros-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ros-users