On Mon, 16 Jul 2007 12:44:35 +0200 Ivan Glushkov wrote:

> In both cases, how
> lshw sees the right amount of memory, but the kernel does not?!

You need a kernel with HIGHMEM support (all recent Debian kernels
should have it).
Look for CONFIG_HIGHMEM4G in your kernel .config


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your kernel use 386, try to use 686 kernel it work on my laptop

On Mon, 2007-07-16 at 12:44 +0200, Ivan Glushkov wrote:
> Hi all,
>
> recently I bought 2 x 1 GB modules 1024MB SO-DIMM OCZ PC400 CL2.5. I
> plugged them into my Debian Asus M6726NW laptop. I was surprised to see
> that on /proc/meminfo I have only:
>
> MemTotal: 906692 kB
> MemFree: 451864 kB
> Buffers: 53072 kB
> Cached: 226724 kB
> SwapCached: 0 kB
> Active: 246092 kB
> Inactive: 170880 kB
> SwapTotal: 1469908 kB
> SwapFree: 1469908 kB
> Dirty: 1040 kB
> Writeback: 0 kB
> AnonPages: 137188 kB
> Mapped: 77524 kB
> Slab: 15988 kB
> SReclaimable: 7672 kB
> SUnreclaim: 8316 kB
> PageTables: 2224 kB
> NFS_Unstable: 0 kB
> Bounce: 0 kB
> CommitLimit: 1923252 kB
> Committed_AS: 442896 kB
> VmallocTotal: 122840 kB
> VmallocUsed: 12568 kB
> VmallocChunk: 109012 kB
>
> Looking at lshw I have:
>
> id:
> memory
> description: System Memory
> physical id:
> 1b
> slot: System board or motherboard
> size: 2GB
> capacity: 3GB
>
> So, what do you think is the problem? Are my new RAM modules
> malfunctioning, or is that some software problem? In both cases, how
> lshw sees the right amount of memory, but the kernel does not?!
>
> Cheers,
> Ivan
>
>


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Thanks Evgeni,

that solved the problem.

Cheers,
Ivan

Evgeni Golov wrote:
> On Mon, 16 Jul 2007 12:44:35 +0200 Ivan Glushkov wrote:
>
>> In both cases, how
>> lshw sees the right amount of memory, but the kernel does not?!
>
> You need a kernel with HIGHMEM support (all recent Debian kernels
> should have it).
> Look for CONFIG_HIGHMEM4G in your kernel .config
>
>


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On Mon, 16 Jul 2007 19:33:23 +0200 Manon Metten wrote:

> Amazing. I have exactly the same problem although I'm using a i686 kernel:
> Linux debian 2.6.18-4-486 #1 Wed May 9 22:23:40 UTC 2007 i686 GNU/Linux
^^^

You're not, your using the 486 variant
Check /boot/config- for HIGHMEM, yours should have
CONFIG_NOHIGHMEM set, but you need CONFIG_HIGHMEM4G

> So could anybody tell me what's wrong?

Use the correct kernel


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Hi Ivan,

On 7/16/07, Ivan Glushkov wrote:

plugged them into my Debian Asus M6726NW laptop. I was surprised to see
> that on /proc/meminfo I have only:
>
> MemTotal: 906692 kB
> MemFree: 451864 kB




Amazing. I have exactly the same problem although I'm using a i686 kernel:
Linux debian 2.6.18-4-486 #1 Wed May 9 22:23:40 UTC 2007 i686 GNU/Linux

I fitted 2Gb just a couple of days ago and this is what free tells me:

total used free shared buffers cached
Mem: 906792 897804 8988 0 31040 651812
-/+ buffers/cache: 214952 691840
Swap: 1461872 104 1461768

So could anybody tell me what's wrong?

Manon.

Hi Evgeni,

On 7/16/07, Evgeni Golov wrote:

On Mon, 16 Jul 2007 19:33:23 +0200 Manon Metten wrote:
>
> > Amazing. I have exactly the same problem although I'm using a i686
> kernel:
> > Linux debian 2.6.18-4-486 #1 Wed May 9 22:23:40 UTC 2007 i686 GNU/Linux
> ^^^
>
> You're not, your using the 486 variant
> Check /boot/config- for HIGHMEM, yours should have
> CONFIG_NOHIGHMEM set, but you need CONFIG_HIGHMEM4G
>
> > So could anybody tell me what's wrong?
>
> Use the correct kernel



Thanks for explaining.

I found these lines in /boot/config-2.6.18-4-486

CONFIG_NOHIGHMEM=y
# CONFIG_HIGHMEM4G is not set

Does this mean CONFIG_HIGNMEM4G was not set when the kernel was compiled?

And how do I install the right kernel? This one came with the Debian
Installer CD.

Manon.

Hi Manon,

please don't CC me, I read debian-laptop

On Mon, 16 Jul 2007 19:46:55 +0200 Manon Metten wrote:

> > You're not, your using the 486 variant
> > Check /boot/config- for HIGHMEM, yours should have
> > CONFIG_NOHIGHMEM set, but you need CONFIG_HIGHMEM4G
> >
> > > So could anybody tell me what's wrong?
> >
> > Use the correct kernel
>
>
>
> Thanks for explaining.
>
> I found these lines in /boot/config-2.6.18-4-486
>
> CONFIG_NOHIGHMEM=y
> # CONFIG_HIGHMEM4G is not set
>
> Does this mean CONFIG_HIGNMEM4G was not set when the kernel was compiled?

Exactly.

> And how do I install the right kernel? This one came with the Debian
> Installer CD.

Hm, the -686 should have been there too, d-i seems to choose the bad
one
I think you should just install linux-image-2.6.18-4-686 and reboot to
the new kernel.

Regards
Evgeni


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On Mon, Jul 16, 2007 at 07:46:55PM +0200, Manon Metten wrote:
> Hi Evgeni,
>
> On 7/16/07, Evgeni Golov wrote:
>
> On Mon, 16 Jul 2007 19:33:23 +0200 Manon Metten wrote:
>>
>> > Amazing. I have exactly the same problem although I'm using a i686
>> kernel:
>> > Linux debian 2.6.18-4-486 #1 Wed May 9 22:23:40 UTC 2007 i686 GNU/Linux
>> ^^^
>>
>> You're not, your using the 486 variant
>> Check /boot/config- for HIGHMEM, yours should have
>> CONFIG_NOHIGHMEM set, but you need CONFIG_HIGHMEM4G
>>
>> > So could anybody tell me what's wrong?
>>
>> Use the correct kernel
>
>
>
> Thanks for explaining.
>
> I found these lines in /boot/config-2.6.18-4-486
>
> CONFIG_NOHIGHMEM=y
> # CONFIG_HIGHMEM4G is not set
>
> Does this mean CONFIG_HIGNMEM4G was not set when the kernel was compiled?
>
> And how do I install the right kernel? This one came with the Debian
> Installer CD.

apt-get install linux-image-2.6.18-4-686.

Mike


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> apt-get install linux-image-2.6.18-4-686.

And try the 2.6.21 one while you're there: it may reduce your battery
consumption significantly.


Stefan


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