[flashrom] 12/11/2017 problem when flashing p5b-deluxe : mb marked ok but can't flash

[Marc]

Bonjour everybody,

May I get your advices ?

I tried to flash my mb but got an error message, here are the infos you may need :
flashrom v0.9.9-r1954 on Linux 4.9.0-3-amd64 (x86_64)
flashrom was built with libpci 3.5.2, GCC 6.3.0 20170221, little endian
Command line (6 args): flashrom -w P5B-ASUS-Deluxe-1238.ROM -p internal -o test.txt
Calibrating delay loop... OS timer resolution is 1 usecs, 1599M loops per second, 10 myus = 10 us, 100 myus = 100 us, 1000 myus = 1000 us, 10000 myus = 10005 us, 4 myus = 4 us, OK.
Initializing internal programmer
No coreboot table found.
Using Internal DMI decoder.
DMI string chassis-type: "Desktop"
DMI string system-manufacturer: "System manufacturer"
DMI string system-product-name: "System Product Name"
DMI string system-version: "System Version"
DMI string baseboard-manufacturer: "ASUSTeK Computer INC."
DMI string baseboard-product-name: "P5B-Deluxe"
DMI string baseboard-version: "Rev 1.xx"
Found chipset "Intel ICH8/ICH8R" with PCI ID 8086:2810.
Enabling flash write... Root Complex Register Block address = 0xfed1c000
Error accessing ICH RCRB, 0x4000 bytes at 0x00000000fed1c000
/dev/mem mmap failed: Operation not permitted
FAILED!
FATAL ERROR!
Error: Programmer initialization failed.

I have bios 0506 and want to write the 1238.

ONLY EMAIL COMMUNICATION PLEASE.

Thanks for your attention.

Gégé