Re: [Xen-users] Problem in updating linux kernel in a remote xen virtual machine

[Sadique Puthen <sputhenp@xxxxxxxxxx>]

You should check for that under /etc/xen of your host.

--Sadique

hxsrmeng wrote:
> On Wed, 2007-11-28 at 20:42 +0530, Sadique Puthen wrote:
>   
> > hxsrmeng wrote:
> >     
> > > Hi friends,
> > >
> > > I'd like to update a linux kernel in a remote xen virtual machine but
> > > met a problem.
> > >
> > > The currently working kernel in that xen VM is linux-2.6.16.46-0.12, the
> > > local version is "-xen".
> > >
> > > I added one module, several kernel hacking options, and change the local
> > > version to "-mine". After recompiling, I set this "-mine" kernel as my
> > > default one in /boot/grub/menu.lst.
> > >
> > > But the remote xen VM always boots with the original "-xen" kernel,
> > > ignoring the "default" setting in the menu.lst. (I have not yet the
> > > graphic access to the VM and host). Also I can not "modprobe" the module
> > > I added.
> > >
> > > So, I don't know what's wrong. Is there any difference in updating
> > > kernels in VM? Or is there any general setting to set which kernels a VM
> > > can boot with?
> > >
> > > Thank you so much.
> > >
> > > BTW, when doing kernel recompiling, I did
> > >
> > > #make menuconfig
> > > #make clean
> > > #make 
> > > #make modules_install install
> > > At this point,
> > > System.map-2.6.16.46-0.12-mine
> > > config-2.6.16.46-0.12-mine
> > > vmlinux-syms-2.6.16.46-0.12-mine
> > > vmlinuz-2.6.16.46-0.12-mine
> > >
> > > were generated and copied to /boot automatically, but no
> > > initrd-2.6.16.46-0.12-mine. I had to use "mkinitrd" to generate it.Also,
> > > the "-mine" entry in the menu.lst need to be added manually. 
> > >   
> > >       
> > It might be true that you are not loading the guest kernel from domu 
> > filesystem via pygrub. You may be passing the guest kernels from dom0 by 
> > specifying kernel = and ramdisk = parameter in the guest configuration 
> > file. If that is the case recompiling the kernel inside the guest 
> > wouldn't take effect.
> >     
> You are right. I didn't do anything other than I mentioned. 
>
>   
> > How does your guest configuration file look like?
> >     
> Is this configuration file should be inside the guest machine? I looked
> for /etc directory, but didn't find /etc/xen sub-directory. What's its
> name? Should I look for it in other dirctories?
>
> Or, I should check the folders in the host?
>
> Thank you!
>
>   
> > --Sadique
> >     
> > > Thank you again.
> > >
> > >
> > >
> > >
> > >  
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > >
> > >   
> > >       
>
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>
>   

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