Re: [Xen-devel] Problem with unstable-stage tree

[Dulloor <dulloor@xxxxxxxxx>]

You need to mount xenfs. Add following to your fstab :
xenfs /proc/xen xenfs defaults 0 0

-dulloor

On Fri, Jun 19, 2009 at 2:53 PM, Jun Koi <junkoi2004@xxxxxxxxx> wrote:

Hi,

I give a try to the unstable-stage tree, and found some problems.

This tree uses linux-2.6.30-pvops. I compiled, and boot to Dom0 with
"vmlinuz-2.6.30-rc3-tip". However, xend failed to start and report
that it doesnt find

/proc/xen/capabilities

Is this check correct? I can confirm that the kernel has support for
Xen, as I have below configs (and I only have empty directory
"/proc/xen"):

grep XEN /boot/config-2.6.30-rc3-tip
CONFIG_XEN=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=32
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_DEBUG_FS=y
CONFIG_XEN_DOM0_PCI=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_MICROCODE_XEN=y
CONFIG_PCI_XEN=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_KBDDEV_FRONTEND=y
CONFIG_HVC_XEN=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=ygrep XEN /boot/config-2.6.30-rc3-tip
CONFIG_XEN=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=32
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_DEBUG_FS=y
CONFIG_XEN_DOM0_PCI=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_MICROCODE_XEN=y
CONFIG_PCI_XEN=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_KBDDEV_FRONTEND=y
CONFIG_HVC_XEN=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=y

CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=y


So I tried to bypass this problem by commenting out the check for
"/proc/xen/capabilities". Then I got some other bugs about not finding
Python modules, like:

....
ImportError: No module named xen.xend.server
.Traceback (most recent call last):
 File "/usr/sbin/xend", line 36, in <module>
   from xen.xend.server import SrvDaemon
ImportError: No module named xen.xend.server
...

However, I can confirm that I have directory like
/usr/lib/python2.6/site-packages/xen/xend/server/SrvDaemon.py. So why
Python doesnt find that?

My Linux is Ubuntu 9.04, python 2.6.2, gcc 4.3.3

Thank you,
J

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