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Eigen problems with gazebo

ScopedName[pr2] gazebo: /usr/include/eigen3/Eigen/src/Core/DenseStorage.h:69: Eigen::internal::plain_array<t, size,="" matrixorarrayoptions,="" 16="">::plain_array() [with T = float, int Size = 4, int MatrixOrArrayOptions = 0]: Assertion `(reinterpret_cast<size_t>(array) & 0xf) == 0 && "this assertion is explained here: " "http://eigen.tuxfamily.org/dox-devel/TopicUnalignedArrayAssert.html" " * READ THIS WEB PAGE !!! *"' failed. [gazebo-2] process has died [pid 7595, exit code -6]. log files: /home/pyanik/.ros/log/9e36f242-dda4-11e0-90fc-0026c7674548/gazebo-2*.log

Eigen problems with gazebo

I'm trying to simulate the PR2 in gazebo. I'm running ubuntu 10.4, 32-bit. I have both diamondback and electric on my machine (another post leads me to believe that this may cause eigen problems if I use the wrong one). I keep getting the crash below related to eigen.

If it is a diamondback vs. electric problem, how do I get rid of one. "rm -rf" doesn't work.

ScopedName[pr2] gazebo: /usr/include/eigen3/Eigen/src/Core/DenseStorage.h:69: Eigen::internal::plain_array<t, size,="" matrixorarrayoptions,="" 16="">::plain_array() [with T = float, int Size = 4, int MatrixOrArrayOptions = 0]: Assertion `(reinterpret_cast<size_t>(array) & 0xf) == 0 && "this assertion is explained here: " "http://eigen.tuxfamily.org/dox-devel/TopicUnalignedArrayAssert.html" " * READ THIS WEB PAGE !!! *"' failed. [gazebo-2] process has died [pid 7595, exit code -6]. log files: /home/pyanik/.ros/log/9e36f242-dda4-11e0-90fc-0026c7674548/gazebo-2*.log