Re: Physical Memory Size Mismatch SOLVED

From: Michael Heiming (michael+USENET_at_www.heiming.de)
Date: 06/26/05


Date: Sun, 26 Jun 2005 10:09:50 +0200

In comp.os.linux.setup Michael Heiming <michael+USENET@www.heiming.de>:
> In comp.os.linux.setup Rudolf Usselmann <russelmann@hotmail.com>:
>> Rudolf Usselmann wrote:
>>>
>>> I just installed a Tyan S2895 Motherboard, with two Opteron
>>> and 2GB of memory on each side. BIOS correctly report 4GB of
>>> memory. However Linux reports 2.70GB of total physical memory.
>>>
> [..]

>> After updating the BIOS, and selecting the
>> "Remap Memory Hole [Software]" in the bios, I am have my memory
>> back:
>> more /proc/meminfo
>> MemTotal: 4051936 kB
>> MemFree: 3791652 kB

>> The thing that worries me a bit now is this:
>> dmesg | grep -i mem
>> Memory: 4050248k/6291456k available (2934k kernel code, 0k reserved, 1438k
>> data, 228k init)

>> I don't understand where the 6.2G is coming from. Is this just
>> the total used address space after remapping the PCI memory hole,
>> or is this thing now thinking that I have 6.2G of memory but
>> only 4G are available ?

> Swap? Look at the output of 'free -m' and post it, if it's not
> obvious.

Na, just double-checked at least on x86 the second number isn't
including swap, looks somehow related to physical memory - kernel
code space. Strange, I'll perhaps double-check on some Opteron
next week, if I'll find the time.

-- 
Michael Heiming (X-PGP-Sig > GPG-Key ID: EDD27B94)
mail: echo zvpunry@urvzvat.qr | perl -pe 'y/a-z/n-za-m/'
#bofh excuse 64: CPU needs recalibration


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