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


  • To: Pasi Kärkkäinen <pasik@xxxxxx>
  • From: kishore kumar <bodkekumar@xxxxxxxxx>
  • Date: Tue, 23 Mar 2010 13:30:29 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 23 Mar 2010 13:31:48 -0700
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cat /proc/xen/capabilities gives me
 
control_d
/etc/init.d/xend start  gives me
 
mount: xenfs already mounted or /proc/xen busy
mount: according to mtab, none is already mounted on /proc/xen
/etc/init.d/xend: line53: xend: command not found
/etc/init.d/xend: line40: xend: command not found
/etc/init.d/xend: line45: xend: command not found
On Tue, Mar 23, 2010 at 1:16 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Tue, Mar 23, 2010 at 01:11:14PM -0700, kishore kumar wrote:
>    Yes.  I see below in /proc/xen after mount
>
>    capabilities
>    privcmd
>    xenbus
>    xsd_kva
>    xsd_port.
>

Looks ok.. What does "cat /proc/xen/capabilities" say ?

Does "/etc/init.d/xend start" work?

-- Pasi

>    On Tue, Mar 23, 2010 at 1:05 PM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
>
>      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]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][3]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][4]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][5]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][6]http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>      >      >    2. mailto:[6][7]pasik@xxxxxx
>      >
>      > References
>      >
>      >    Visible links
>      >    1. [8]http://2.6.32.10/kernel/drivers/xen
>      >    2. mailto:[9]pasik@xxxxxx
>      >    3.
>      [10]http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>      >    4. mailto:[11]pasik@xxxxxx
>      >    5.
>      [12]http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>      >    6. mailto:[13]pasik@xxxxxx
>
> References
>
>    Visible links
>    1. mailto:pasik@xxxxxx
>    3. mailto:pasik@xxxxxx
>    4. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    5. mailto:pasik@xxxxxx
>    6. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    7. mailto:pasik@xxxxxx
>    9. mailto:pasik@xxxxxx
>   10. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>   11. mailto:pasik@xxxxxx
>   12. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>   13. mailto:pasik@xxxxxx

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