Messages in this thread | | | From | Christian Parpart <> | Subject | Re: I'm having 4GB RAM, but Linux sees just 3GB??? | Date | Mon, 16 May 2005 17:01:04 +0200 |
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On Monday 16 May 2005 4:44 pm, Brian Gerst wrote: > Christian Parpart wrote: > > Hi all, > > > > I was asking this in gentoo-server mailing list before, however, they > > finally pointed me to this place as it could also be a bug in the kernel. > > > > I'm having a TYAN board with two AMD Opteron 248 and 4x 1GB ECC RAM on > > it. The BIOS reflects what I've plugged in, however, the operating system > > does not. > > > > my `uname -a` output is: > > Linux battousai 2.6.11-gentoo-r8 #1 SMP Sat May 14 02:42:15 CEST 2005 > > x86_64 AMD Opteron(tm) Processor 248 AuthenticAMD GNU/Linux > > > > and my `dmidecode` output is located at [0]. For ANY reason, dmidecode > > even knows about my 4GB RAM, but `free -m` nor `kinfocenter` of KDE > > claims to see just 3GB. > > > > free -m: > > total used free shared buffers cached > > Mem: 3015 2993 22 0 15 2638 > > -/+ buffers/cache: 338 2677 > > Swap: 511 1 510 > > > > This is rather sad to see 1GB RAM plugged in for nothing. > > > > Has anyone a hint for my WHY this is happening and HOW I could get rid of > > it? > > > > Thanks in advance, > > Christian Parpart. > > > > [0] http://dev.gentoo.org/~trapni/dmidecode.txt > > Are you running a 64-bit kernel? What does "dmesg | grep e820" show?
BIOS-e820: 0000000000000000 - 0000000000094800 (usable) BIOS-e820: 0000000000094800 - 00000000000a0000 (reserved) BIOS-e820: 00000000000c2000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 00000000bff20000 (usable) BIOS-e820: 00000000bff20000 - 00000000bff2e000 (ACPI data) BIOS-e820: 00000000bff2e000 - 00000000bff80000 (ACPI NVS) BIOS-e820: 00000000bff80000 - 00000000c0000000 (reserved) BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
hmm... what does this mean?
Well, yeah, the whole system is 64bit compiled.
Regards, Christian Parpart.
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