Hello All. While getting ESCD info, we've got full 32bit nvram_base_adress. Then if I want to read ESCD Data how can I kernel that r/w access to this segment is OK? Kernel generates oops when BIOS function called and try to access this area. Segmentation fault ocurs. May be I don't understand something? Best regards. Ruslan. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/