Hi Prasad,<br><br>That error will sometimes come up on certain Intel chipsets even if things continue working -- what happens afterwards?  Does it crash?  What OS are you running?<br><br>Unfortunately the state of Intel graphics drivers in Linux is pretty bad, and some cards just don&#39;t work well.  They were also quite broken in Ubuntu Intrepid and Jaunty.<br>

<br>Josh<br><br><div class="gmail_quote">On Tue, May 11, 2010 at 8:54 AM, Prasad Dixit <span dir="ltr">&lt;<a href="mailto:prasad.dixit@fennecfoxtech.com">prasad.dixit@fennecfoxtech.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">

<span style="font-family: Tahoma; font-size: 10pt;">Hello,<br>
<br>
I am trying to run rosrun rviz rviz for visualization.<br>
It is throwing an error as below:<br>
<br>
[ INFO] 1273592958.802614000: Loading general config from [/home/rootx/.rviz/config]<br>
[ INFO] 1273592958.803046000: Loading display config from [/home/rootx/.rviz/display_config]<br>
do_wait: drmWaitVBlank returned -1, IRQs don&#39;t seem to be working correctly.<br>
Try adjusting the vblank_mode configuration parameter.<br>
<br>
My card details are given below:<br>
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)<br>
<br>
<br>
Regards,<br>
Prasad Dixit<br>
<br>
<div></div></span>
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<br></blockquote></div><br>