RE: [SLUG] reported memory and actual memory

2007-07-31 Thread Ben Donohue
Hi Jamie, I'm not running a kernel that supports more than 4G or RAM so I'm not worried that it reports less than 5GB. However it reports about 400k less than 4GB so that is really the question. Why does top and other utilities only report about 3.6GB? Ben IMPORTANT NOTICE TO RECIPIENT

Re: [SLUG] reported memory and actual memory

2007-07-29 Thread Jamie Wilkinson
This one time, at band camp, Ben Donohue wrote: Hi all, I have a server which has 5GB memory in it. BIOS reports 5120GB and that's fine. Top in CentOS linux reports 3632188 total. Is that 5GB physical RAM? How big is your swap? Are you running a kernel that supports more than 4G of RAM? --

RE: [SLUG] reported memory and actual memory

2007-07-27 Thread Ben Donohue
Hi all, Just to ask a bit more... The server has 5GB mem but top reports 3632188KB. That is approx 400K missing. I have another server with 4GB and it reports 34KB approx with around 600K missing. Shouldn't top report 410 approx (whatever the numbers are). Ben IMPORTANT NOTICE TO

Re: [SLUG] reported memory and actual memory

2007-07-27 Thread Dean Hamstead
cat /proc/meminfo or was that mentioned already? Dean Ben Donohue wrote: Hi all, Just to ask a bit more... The server has 5GB mem but top reports 3632188KB. That is approx 400K missing. I have another server with 4GB and it reports 34KB approx with around 600K missing. Shouldn't top

RE: [SLUG] reported memory and actual memory

2007-07-26 Thread Glen Turner
On Wed, 2007-07-25 at 16:06 +0800, [EMAIL PROTECTED] wrote: 32 bit machines can't use more than 4G. Bigmem kernels fiddle and go partway but to use more than 4G use 64 bit! More specifically, the bigmem 32-bit kernel uses PAE to use RAM greater than 4GB. The bad news is that this doesn't

RE: [SLUG] reported memory and actual memory

2007-07-26 Thread Ben Donohue
: [SLUG] reported memory and actual memory On Wed, 2007-07-25 at 16:06 +0800, [EMAIL PROTECTED] wrote: 32 bit machines can't use more than 4G. Bigmem kernels fiddle and go partway but to use more than 4G use 64 bit! More specifically, the bigmem 32-bit kernel uses PAE to use RAM greater than 4GB

RE: [SLUG] reported memory and actual memory

2007-07-26 Thread Glen Turner
On Fri, 2007-07-27 at 08:57 +1000, Ben Donohue wrote: But can you use a 64bit kernel on a 32bit processor? I was assuming you couldn't however I'm happy to be corrected. No you can't. It uses special 64-bit instructions that are not supported on 32-bt processors. Note that there are a lot of

Re: [SLUG] reported memory and actual memory

2007-07-25 Thread Dave Kempe
we need to know kernel version, architecture and distro version to answer better Ben. dave Ben Donohue wrote: Hi all, I have a server which has 5GB memory in it. BIOS reports 5120GB and that's fine. Top in CentOS linux reports 3632188 total. -- SLUG - Sydney Linux User's Group Mailing

RE: [SLUG] reported memory and actual memory

2007-07-25 Thread Ben Donohue
Hi, Sorry, didn't know that would be an issue... HP server x86 32 Bit. 2.6.18-8 CentOS 5 -Original Message- From: Dave Kempe [mailto:[EMAIL PROTECTED] Sent: Wednesday, 25 July 2007 4:58 PM To: Ben Donohue Cc: slug@slug.org.au Subject: Re: [SLUG] reported memory and actual memory we

RE: [SLUG] reported memory and actual memory

2007-07-25 Thread Visser, Martin
5:07 PM To: Dave Kempe Cc: slug@slug.org.au Subject: RE: [SLUG] reported memory and actual memory Hi, Sorry, didn't know that would be an issue... HP server x86 32 Bit. 2.6.18-8 CentOS 5 -Original Message- From: Dave Kempe [mailto:[EMAIL PROTECTED] Sent: Wednesday, 25 July 2007 4:58 PM

RE: [SLUG] reported memory and actual memory

2007-07-25 Thread jam
On Wednesday 25 July 2007 15:43, [EMAIL PROTECTED] wrote: Sorry, didn't know that would be an issue... HP server x86 32 Bit. 2.6.18-8 CentOS 5 32 bit machines can't use more than 4G. Bigmem kernels fiddle and go partway but to use more than 4G use 64 bit! James -- SLUG - Sydney Linux