Re: [Xen-users] Linux hangs during reboot on Jeremy's git kernel

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Feb 04, 2010 at 09:43:18PM -0500, Mike Viau wrote:
>    Link: [1]File-List
>    Link: [2]themeData
>    Link: [3]colorSchemeMapping
> 
>    I was unable to find issues in the mailing list archive pertaining to
>    Linux hanging during the reboot of the dom0 on Jeremy's PV git kernel.
> 
>    I setup a fresh x86_64 Debian Lenny system using the 2.6.26-2-amd64 kernel
>    which can reboot my system by ctrl+alt+del or by simply using the reboot
>    command.
> 
>    Then I lost the ability to reboot after using my compiled PVOPS kernel.
> 
>    STEPS TAKEN TO BUILD PV DOM0:
> 
>    sudo apt-get install git-core kernel-package fakeroot build-essential
>    ncurses-dev
> 
>    Then I checked out linux-2.6-xen to my source/building directory with:
>    1) git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    linux-2.6-xen
> 
>    2) and then used the .config (renamed accordingly)
>    @
>    
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.31.4-pvops_dom0-x86_64
> 
>    3) in the kernel source directory
> 
>    make-kpkg clean
> 
>    4) CONCURRENCY_LEVEL=`grep -c '^processor' /proc/cpuinfo` fakeroot
>    make-kpkg --initrd --append-to-version=-xen kernel_image kernel_headers
> 
>    5) everything compiled fine so I installed the outputted debs (dpkg -i
>    *.deb) successfully
> 
>    6) updated my grub configuration (menu.lst)
> 
>    The system boots fine, but then I just cannot restart the dom0. I tried
>    the suggestions at:
>    
> [4]http://blogs.koolwal.net/2009/08/04/howto-fix-linux-hangfreeze-during-reboots-and-restarts/
> 
>    Using the reboot= kernel options did not fix the rebooting issue.
> 
>    QUESTIONS:
> 
>    Firstly does anyone have a fix or patch for an issue like this?
> 

reboot and shutdown works for me now.. there was issues with it for a long time,
but I thought all of those were already fixed.

I guess there's some bug left.. this might be xen-devel material.

>    Secondly is there a more suitable or updated .config to use rather than
>    the one I used for step #2
> 

After copying the config as .config, you should run "make oldconfig" to adapt 
it to your current kernel version.

-- Pasi


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