[coreboot] flashrom: Can't mmap memory

Peter Stuge peter at stuge.se
Fri Feb 6 00:01:57 CET 2009

Myles Watson wrote:
> When I boot using the factory BIOS on my s2895 flashrom works.  When I
> boot with Coreboot, I get the Error:
> Can't mmap memory using /dev/mem: Operation not permitted

Please try this with the latest revision, which will have a slightly
better error message.

> This sounds a little too familiar, but I can't find a thread where
> this isn't linked to a newer, more restrictive kernel.

I have seen this once before, in a system with a custom BIOS. I did
not invest the time needed to debug why the kernel does not permit
the mmap. printk needs to go into the kernel for that.


More information about the coreboot mailing list