Re: Starting xend: grep: /proc/xen/capabilities: No such file or directory

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Tue, Mar 23, 2010 at 12:43:16PM -0700, kishore kumar wrote:
>    I have the Xen 3.4.3.rc4 installed alone with
> 
>    make xen
> 
>    make stubdom,
> 
>    make tools
> 
>    make install-xen
>    make install-tools
>    make install-stubdom
> 
> 
>    and pulled dom 0 kernel from
> 
>    git clone git://[1]git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    and compiled the kernel.
> 
>    modified the grub.conf as below
> 
>    title       xen/pvops (2.6.32.10)
>    root         (hd0,0)
>    kernel       /xen.gz loglvl=all guest_loglvl=all sync_console
>    console_to_ring com1=115200,8n1 console=vga,com1 lapic=debug
>    apic_verbosity=debug apic=debug iommu=1 msi=1
>    module       /vmlinuz-2.6.32.10 ro root=/dev/VolGroup01/LogVol00
>    console=hvc0 earlyprintk=xen nomodeset initcall_debug debug loglevel=10
>    module       /initrd-2.6.32.10.img
> 
>    and rebooted the machine.  I hope this is a Xen+ dom0. Please correct me
>    if I am wrong here.
> 
>    After reboot I see
>    Starting xend:  grep: /proc/xen/capabilities: No such file or directory
> 
>    I added none /proc/xen xenfs defaults 0 0  in /etc/fstab file and
>    rebooted.  still the same problem.
> 
>    Is there anything else that needs to be done?
> 

So is that version of xend automatically loading xen-evtchn.ko driver module? 
Try loading the module with "modprobe xen-evtchn" and then try mounting the /proc/xen.

>    Am I booted with Xen+dom0 or just the linux kernel?
> 

Most probably to Xen+dom0, if you chose the grub entry you pasted above.

-- Pasi

>    My uname -a is
> 
>    Linux localhost.localdomain 2.6.32.10
> 
>    Thanks
> 
> 
>    On Tue, Mar 23, 2010 at 12:23 AM, Pasi Kärkkäinen <[2]pasik@iki.fi> wrote:
> 
>      On Mon, Mar 22, 2010 at 05:00:41PM -0700, kishore kumar wrote:
>      >    Hi all,
>      >
>      >    I see the below message after I install xen3.4.3-rc4 and pvops dom
>      0
>      >    kernel 2.6.32.10 and reboot the machine.
>      >
>      >    Starting xend:  grep: /proc/xen/capabilities: No such file or
>      directory
>      >
>      >    I did below steps too.
>      >
>      >    step 1:  insmod xen-evtchn.ko
>      >    step 2: Added none /proc/xen xenfs defaults 0 0  in /etc/fstab
>      file.
>      >
>      >    Is there something that I am missing here?
> 
>      Well then actually mount /proc/xen :)
>      (or reboot).
> 
>      Also did you verify you've actually rebooted to Xen+dom0?
>      -- Pasi
> 
> References
> 
>    Visible links
>    1. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    2. mailto:pasik@iki.fi