Hi,
This patch was sent to me by "Blaisorblade" <[EMAIL PROTECTED]>
I tried it and now its working fine without any problems.
Thanx for the patch
I hope that soon, this patch will become part of mainstream kernel.
Regards,
Pravin Shinde
On 1/18/07, Jeff Dike <[EMAIL PROTECTED]> wrote:
> On Wed, Jan 17, 2007 at 09:19:38PM +0530, Pravin wrote:
> > But I am still getting kernel panic
> > {{{
> > mapping mmap stub failed, errno = 12
>
> Try the patch below. It fixes UML on hosts which don't have the usual
> 3G/1G split.
>
> Jeff
>
> --
> Work email - jdike at linux dot intel dot com
>
> Index: linux-2.6.18-mm/arch/um/Kconfig.i386
> ===================================================================
> --- linux-2.6.18-mm.orig/arch/um/Kconfig.i386 2006-12-29 12:20:14.000000000
> -0500
> +++ linux-2.6.18-mm/arch/um/Kconfig.i386 2007-01-10 16:54:20.000000000
> -0500
> @@ -19,22 +19,22 @@ config SEMAPHORE_SLEEPERS
> choice
> prompt "Host memory split"
> default HOST_VMSPLIT_3G
> - ---help---
> - This is needed when the host kernel on which you run has a
> non-default
> - (like 2G/2G) memory split, instead of the customary 3G/1G. If you
> did
> - not recompile your own kernel but use the default distro's one,
> you can
> - safely accept the "Default split" option.
> -
> - It can be enabled on recent (>=2.6.16-rc2) vanilla kernels via
> - CONFIG_VM_SPLIT_*, or on previous kernels with special patches (-ck
> - patchset by Con Kolivas, or other ones) - option names match
> closely the
> - host CONFIG_VM_SPLIT_* ones.
> -
> - A lower setting (where 1G/3G is lowest and 3G/1G is higher) will
> - tolerate even more "normal" host kernels, but an higher setting
> will be
> - stricter.
> + help
> + This is needed when the host kernel on which you run has a
> non-default
> + (like 2G/2G) memory split, instead of the customary 3G/1G. If you did
> + not recompile your own kernel but use the default distro's one, you
> can
> + safely accept the "Default split" option.
> +
> + It can be enabled on recent (>=2.6.16-rc2) vanilla kernels via
> + CONFIG_VM_SPLIT_*, or on previous kernels with special patches (-ck
> + patchset by Con Kolivas, or other ones) - option names match closely
> the
> + host CONFIG_VM_SPLIT_* ones.
> +
> + A lower setting (where 1G/3G is lowest and 3G/1G is higher) will
> + tolerate even more "normal" host kernels, but an higher setting will
> be
> + stricter.
>
> - So, if you do not know what to do here, say 'Default split'.
> + So, if you do not know what to do here, say 'Default split'.
>
> config HOST_VMSPLIT_3G
> bool "Default split (3G/1G user/kernel host split)"
> @@ -67,13 +67,13 @@ config 3_LEVEL_PGTABLES
>
> config STUB_CODE
> hex
> - default 0xbfffe000 if !HOST_2G_2G
> - default 0x7fffe000 if HOST_2G_2G
> + default 0xbfffe000 if !HOST_VMSPLIT_2G
> + default 0x7fffe000 if HOST_VMSPLIT_2G
>
> config STUB_DATA
> hex
> - default 0xbffff000 if !HOST_2G_2G
> - default 0x7ffff000 if HOST_2G_2G
> + default 0xbffff000 if !HOST_VMSPLIT_2G
> + default 0x7ffff000 if HOST_VMSPLIT_2G
>
> config STUB_START
> hex
>
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