the issue was still present on imx51 when loading the parport module in case parport_pc was enabled, and disabling PARPORT_PC fixes it.
** Attachment added: "imx51-parport.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/601226/+attachment/2153539/+files/imx51-parport.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/601226 Title: Unable to handle kernel NULL pointer dereference in ppdev module -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs