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Ivan Glushkov
External
Since: Oct 04, 2004
Posts: 10
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 Posted: Mon Jul 16, 2007 12:50 pm Post subject: RAM puzzle
Archived from groups: linux>debian>user, others (more info?) |
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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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Evgeni Golov
External
Since: Aug 16, 2006
Posts: 69
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Posted: Mon Jul 16, 2007 1:30 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: linux>debian>laptop, others (more info?) |
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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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Sandi Sufiandi
External
Since: Apr 19, 2007
Posts: 3
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Posted: Mon Jul 16, 2007 1:50 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: linux>debian>user, others (more info?) |
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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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Ivan Glushkov
External
Since: Oct 04, 2004
Posts: 10
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Posted: Mon Jul 16, 2007 3:20 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: linux>debian>laptop, others (more info?) |
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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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Evgeni Golov
External
Since: Aug 16, 2006
Posts: 69
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Posted: Mon Jul 16, 2007 7:40 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: linux>debian>user, others (more info?) |
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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-<kernelversion> 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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Evgeni Golov
External
Since: Aug 16, 2006
Posts: 69
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Posted: Mon Jul 16, 2007 8:50 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?) |
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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-<kernelversion> 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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Mike Hommey
External
Since: Nov 09, 2004
Posts: 966
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Posted: Mon Jul 16, 2007 9:10 pm Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?) |
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On Mon, Jul 16, 2007 at 07:46:55PM +0200, Manon Metten <manon.metten.TakeThisOut@gmail.com> wrote:
> Hi Evgeni,
>
> On 7/16/07, Evgeni Golov <sargentd.TakeThisOut@die-welt.net> 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-<kernelversion> 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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Stefan Monnier
External
Since: Mar 31, 2005
Posts: 79
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Posted: Tue Jul 17, 2007 9:20 am Post subject: Re: RAM puzzle [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?) |
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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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