> On the i945 based Lenovo X60, running `cbmem -l` (or any other option) > works fine. Suspending and resuming the system, running any `cbmem` > commands does *not* work anymore.
Running cbmem -Vl on my X60t shows that the first run finds the table in the first 1 MiB of memory, after suspend it doesn't and fails to mmap memory containing RAM after the first 1 MiB. > [ 2834.560179] Program cbmem tried to access /dev/mem between > f0000->1f0000. Kernel code prevents accesses to RAM, allowing only access to the first 1 MiB and MMIO. > Do you have any idea, why this happens? Is that a Linux error? Using dd, grep and hexdump shows that the coreboot table entry at memory address 0x500 gets zeroed. /proc/iomem considers that address "reserved".
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