[Xen-devel] Re: [Xen-users] Starting xend: grep: /proc/xen/capabilities: No such file or directory

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Mar 23, 2010 at 01:04:34PM -0700, kishore kumar wrote:
>    attached is the screen shot.
> 
>    I did
>    cd /lib/modules/[1]2.6.32.10/kernel/drivers/xen
>      modprobe xen-evtchn
> 
>    and then did
> 
>    mount -t xenfs none  /proc/xen.
> 
>    But still the same problem.
> 

Does the mount succeed? Is there anything under /proc/xen? 

-- Pasi

>    On Tue, Mar 23, 2010 at 12:51 PM, Pasi Kärkkäinen <[2]pasik@xxxxxx> wrote:
> 
>      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][3]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][4]pasik@xxxxxx> 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. [5]http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>      >    2. mailto:[6]pasik@xxxxxx
> 
> References
> 
>    Visible links
>    1. http://2.6.32.10/kernel/drivers/xen
>    2. mailto:pasik@xxxxxx
>    3. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    4. mailto:pasik@xxxxxx
>    5. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    6. mailto:pasik@xxxxxx



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