Re: F7 64bit 4G Memory

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Srikanth Konjarla wrote:

I am running F7 in 64-bit mode on a laptop. I have upgraded the memory from 3G to 4G (Bios confirms it) but kernel sees only 3.2G (i have passed mem=4096M kernel parameter). Wondering if i am missing anything here.

Snippet from dmesg

Kernel command line: ro root=LABEL=/ rhgb quiet mem=4096M
Memory: 3345780k/3407424k available (2321k kernel code, 61256k reserved, 1377k data, 316k init)

Just a hunch but I think it might have something to do with PCI/PCI-E address space allocations. Do you have a graphics card with a lot of RAM on it for example? See if your BIOS has a feature similar to "remap PCI address space above physical memory" or similar sounding option and enable it.

--
Ian Chapman.


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