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zzap
n00b
Joined: 26 Sep 2003
Posts: 4
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 Posted: Thu Aug 19, 2004 9:25 am Post subject: The kernel only reports half of my memory |
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Hi,
if I have a Dell Dimension 8400 with 2GB ram. If I boot from the livecd the kernel reports the correct amount of memory.
| Code: |
livecd root # head -n 1 /proc/meminfo
MemTotal: 2074356 kB
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But if I boot with a kernel that I have compile with genkernel (activating smp, hyperthreading and make Intel PIIX/CH SATA support built in) I get
| Code: |
localhost root # head -n1 /proc/meminfo
MemTotal: 905656 kB
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Where did all my precious memmory go? Does any one have any idea of what error I have done? Ohh yea and I'm running gentoo-dev-sources (have been trying with 2.6.7-r14 and 2.6.8-r1) |
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mr-simon
Guru
Joined: 22 Nov 2002
Posts: 367
Location: Leamington Spa, Warks, UK
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| Posted: Thu Aug 19, 2004 9:46 am Post subject: |
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You need to activate highmem support.
Do:
| Code: | $ make menuconfig
Processor Type and Features ->
High Memory Support ->
4Gb |
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zzap
n00b
Joined: 26 Sep 2003
Posts: 4
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| Posted: Thu Aug 19, 2004 10:25 am Post subject: |
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| That did the trick, thanks a bunch. |
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Kernel & Hardware
