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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