Arch Linux

binskipy2u

Banned

Registered: 2009-09-14

Posts: 212

making 32bit kernel see 4gigs+ of system memory?

is this possible? and is there a how-to , or does anyone have concise directions.. I would like to install wine to run a few of the windows apps I like.. but wine32-bin is a pain to install and maintain, plus if there's strange issues, since the repo is unsupported, i dont want to get in a bind if something goes haywire during an update..
or is there a 64bit version of wine yet? even an alpha,beta?
I havent seen one using pacman -Ss wine (i'm on 64bit now)
thanks for any help or information

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"Sometimes you comfort the afflicted, other times you AFFLICT the COMFORTABLE"

Stebalien

Member

Registered: 2010-04-27

Posts: 1,239

Website

Re: making 32bit kernel see 4gigs+ of system memory?

You need PAE. You can use this PKGBUILD from aur http://aur.archlinux.org/packages.php?ID=24469.

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Steven [ web : git ]
GPG:  327B 20CE 21EA 68CF A7748675 7C92 3221 5899 410C

demian

Member

From: Frankfurt, Germany

Registered: 2009-05-06

Posts: 709

Re: making 32bit kernel see 4gigs+ of system memory?

There was a thread about PAE but i can't find it right now so I'll just ask here:

I chose not to use x86_64 for various reasons and I'm totally ok with 3 GB of RAM, but i wouldn't mind one GB more, if there were no real downsides to it.
So, would you recommend using PAE with 4 GB of RAM?

Regards,
demian

Last edited by demian (2010-06-12 18:04:16)

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Stebalien

Member

Registered: 2010-04-27

Posts: 1,239

Website

Re: making 32bit kernel see 4gigs+ of system memory?

AFIK, there is no problem with PAE as long as your hardware supports it. If your hardware doesn't, the kernel will not boot; this is why pae is not enabled by default. As an added bonus, PAE kernels can also be compiled with NX (NoExecute) support (a security feature).
See: http://bbs.archlinux.org/viewtopic.php?id=40631

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Steven [ web : git ]
GPG:  327B 20CE 21EA 68CF A7748675 7C92 3221 5899 410C

iceman81

Member

From: Cambridge

Registered: 2007-07-25

Posts: 59

Website

Re: making 32bit kernel see 4gigs+ of system memory?

There was a thread about PAE but i can't find it right now so I'll just ask here:

I chose not to use x86_64 for various reasons and I'm totally ok with 3 GB of RAM, but i wouldn't mind one GB more, if there were no real downsides to it.
So, would you recommend using PAE with 4 GB of RAM?

Regards,
demian

if (ram > 2Gb)
    goto 64bit;
else
    goto 32bit;

Dheart

Member

From: Sofia, Bulgaria

Registered: 2006-10-26

Posts: 956

Re: making 32bit kernel see 4gigs+ of system memory?

Since arch allows installing packages for other architectures, it's safe to install a 64bit kernel (there was a thread about it) on a pure 32bit system, since the kernel will interact just fine with the 32bit libs.

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