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xen-devel
Re: [Xen-devel] How to build non-PAE dom0 kernel with Xen-3.2-testing (P
On 23/9/08 02:38, "Abhinav Srivastava" <abhinavs_iitkgp@xxxxxxxxxxx> wrote:
> I am trying build Xen-3.2-testing version (directly fetched from mercury) on
> my Intel Core 2 Quad desktop. The desktop has got 4GB of RAM and currently
> running Fedora 8. I built Xen with PAE disabled (modified the Config.mk file)
> and rebooted my machine, but it gave me kernel panic error. The message that I
> saw was "Mismatch occurred.
> Xen 32-bit lsb, Dom0 32-bit PAE, lsb"
>
> I tried different ways to disable PAE support from the dom0 but none of them
> worked. I built the same xen version on my laptop (Intel Core 2 duo with 2GB
> of RAM) 2 months back and I got PAE disabled thing working.
>
> This time I saw a new parameter "CONFIG_X86_PAE=Y" in the .config file inside
> the build-linux-2.6.18-xen_x86_32 directory. If I try to make
> "CONFIG_X86_PAE=N" in the .config file, it does not work as this file gets
> generated everytime. When I checked the build-linux-2.6.18-xen_x86_3/.config
> file of my laptop installation, I did not see such configuration parameters.
>
> Is it introduced recently or depending upon the machine it gets added
> on-the-fly? In any case, how to build dom0 kernel with non-PAE support. I
> really want to build all non-pae kernels for my research work perspective.
>
> Please let me know someway/settings so that I could build non-pae dom0 kernel.
Run 'make menuconfig' in the kernel build directory, and then look for
Highmem Support or similar. Should be set to 4GB rather than 64GB.
-- Keir
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