Hi Prasad,

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?

Unfortunately the state of Intel graphics drivers in Linux is pretty bad,
and some cards just don't work well.  They were also quite broken in Ubuntu
Intrepid and Jaunty.

Josh

On Tue, May 11, 2010 at 8:54 AM, Prasad Dixit <
prasad.dixit@fennecfoxtech.com> wrote:

> Hello,
>
> I am trying to run rosrun rviz rviz for visualization.
> It is throwing an error as below:
>
> [ INFO] 1273592958.802614000: Loading general config from
> [/home/rootx/.rviz/config]
> [ INFO] 1273592958.803046000: Loading display config from
> [/home/rootx/.rviz/display_config]
> do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working
> correctly.
> Try adjusting the vblank_mode configuration parameter.
>
> My card details are given below:
> 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series
> Chipset Integrated Graphics Controller (rev 07)
>
>
> Regards,
> Prasad Dixit
>
>
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