linux-kernel - Re: [kvm-devel] boot stops after console handover?

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Date:	Sat, 12 Jan 2008 21:10:33 -0600
From:	Carlo Marcelo Arenas Belon <carenas@...inet.com.pe>
To:	Antoine Martin <antoine@...afix.co.uk>
Cc:	Avi Kivity <avi@...ranet.com>, kvm-devel@...ts.sourceforge.net,
	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: [kvm-devel] boot stops after console handover?

On Sun, Jan 13, 2008 at 01:19:13AM +0000, Antoine Martin wrote:
> Carlo Marcelo Arenas Belon wrote:
> > On Sat, Jan 12, 2008 at 11:01:28PM +0200, Avi Kivity wrote:
> >> Antoine Martin wrote:
> >>
> >>> FYI, just tried building 2.6.24-rc7-git4 and got this warning:
> >>> (...)
> >> Probably harmless, but worth reporting to lkml.
> > 
> > couldn't replicate it here, but I'd seen usually those kind of errors
> > when building a kernel that hasn't been "mrproper" between re-configurations
> > 
> cp .config ../config-2.6.24-rc7-git4
> make mrproper
> cp ../config-2.6.24-rc7-git4 .config

make oldconfig  # presumed

> make -j 4

replicated with your configuration, but can't still reproduce it with mine
even when forcing as you do

  CONFIG_KVM=y
  CONFIG_KVM_INTEL=y

available from :

  http://tapir.sajinet.com.pe/kvm/config-2.6.24-rc7-git4

> (...)
>   MODPOST vmlinux.o
> WARNING: vmlinux.o(.text+0x2cb657): Section mismatch: reference to
> .init.text:register_cpu_notifier (between 'kvm_init_x86' and 'kvm_sched_in')
> WARNING: vmlinux.o(.text.head+0xe4): Section mismatch: reference to
> .init.data.2:trampoline_level4_pgt (between 'ident_complete' and
> 'secondary_startup_64')
> WARNING: vmlinux.o(.text.head+0xeb): Section mismatch: reference to
> .init.data.2:trampoline_level4_pgt (between 'ident_complete' and
> 'secondary_startup_64')
>   LD      vmlinux
>   SYSMAP  System.map
>   SYSMAP  .tmp_System.map
> 
> You can grab the .config here:
> http://194.145.196.85/kvm/config-2.6.24-rc7-git4

is this the configuration for the host kernel?

if you want to use the last code for kvm you should have CONFIG_KVM disabled
and instead use the external module as instructed in (HINT: you don't have a
patched kernel) :

  http://kvm.qumranet.com/kvmwiki/HOWTO1

not sure which version will be part of 2.6.24 but I suspect it might not be
kvm 59.

Carlo
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