On Thu, Oct 6, 2011 at 1:04 AM, Vaibhav Jain <vjoss197@xxxxxxxxx> wrote: > Hi, > > I am trying to run a program that scans memory from a given physical address > using /dev/mem. > It uses mmap to map physical address from /dev/mem. So to start with I used > /proc/iomem to look up the > physical memory mapping and found the address 00010000 to be the starting > address for System ram. But whenever I > provide this address to the program it throws an error of "Operation not > permitted". Browsing through some > articles I found the option of compiling the kernel with > CONFIG_STRICT_DEVMEM option disabled. I have > tried this but this isn't working either. Please help me figure out the > problem. What is the kernel version? Thanks, Arun > > Thanks > Vaibhav Jain > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
