Re: [Xen-users] xen on centos6.5 issue with /proc/xen

[mad Engineer <themadengin33r@xxxxxxxxx>]

Thanks Russel,

in grub.conf Ânew kernel is set as the default kernel

default=0

timeout=5

    title CentOS (3.10.43-11.el6.centos.alt.x86_64)

    kernel /boot/vmlinuz-3.10.43-11.el6.centos.alt.x86_64 root=/dev/md2 Âro crashkernel=auto SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8 KEYTABLE=us

    root (hd0,1)

    initrd /boot/initramfs-3.10.43-11.el6.centos.alt.x86_64.img

    title linux centos6_64

    kernel /boot/bzImage-3.10.23-xxxx-std-ipv6-64 root=/dev/md2 Âro

    root (hd0,1)

On Wed, Aug 6, 2014 at 1:01 AM, Russell Pavlicek <russell.pavlicek@xxxxxxxxxx> wrote:

What does /etc/grub.conf look like?

Because the old kernel was custom, you might need to manually edit it to look similar to the entry in the instructions.

Russ Pavlicek
Xen Project Evangelist, Citrix Systems
Home Office: +1-301-829-5327
Mobile: +1-240-397-0199
UK VoIP: +44 1223 852 894

---

From: xen-users-bounces@xxxxxxxxxxxxx [xen-users-bounces@xxxxxxxxxxxxx] on behalf of mad Engineer [themadengin33r@xxxxxxxxx]
Sent: Tuesday, August 05, 2014 3:16 PM
To: xen-users; xen-devel@xxxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] xen on centos6.5 issue with /proc/xen

HiÂ

 ÂI followed this document to install XenÂ

http://wiki.centos.org/QaWiki/Xen4

Xen package got installed :

rpm -qa |grep xen

xen-libs-4.2.4-33.el6.centos.alt.x86_64

xen-runtime-4.2.4-33.el6.centos.alt.x86_64

libvirt-daemon-driver-xen-0.10.2.8-7.el6.centos.alt.x86_64

centos-release-xen-6-2.el6.centos.x86_64

xen-licenses-4.2.4-33.el6.centos.alt.x86_64

xen-hypervisor-4.2.4-33.el6.centos.alt.x86_64

xen-4.2.4-33.el6.centos.alt.x86_64

and i rebooted to xen kernel (only had one entry in grub,before xen installation)

but after rebooting to new kernel its not showing anythig related to xen

xl info returnsÂ

xl info

libxl: error: libxl.c:91:libxl_ctx_alloc: Is xenstore daemon running?

failed to stat /var/run/xenstored.pid: No such file or directory

cannot init xl context

there is not even Â" /proc/xen "

uname -r after reboot

3.10.43-11.el6.centos.alt.x86_64

cat /boot/config-3.10.43-11.el6.centos.alt.x86_64 |grep -i xen

CONFIG_XEN=y

CONFIG_XEN_DOM0=y

CONFIG_XEN_PRIVILEGED_GUEST=y

CONFIG_XEN_PVHVM=y

CONFIG_XEN_MAX_DOMAIN_MEMORY=500

CONFIG_XEN_SAVE_RESTORE=y

CONFIG_XEN_DEBUG_FS=y

CONFIG_PCI_XEN=y

CONFIG_XEN_PCIDEV_FRONTEND=y

CONFIG_XEN_BLKDEV_FRONTEND=m

CONFIG_XEN_BLKDEV_BACKEND=m

CONFIG_XEN_BLKDEV_TAP=m

CONFIG_NETXEN_NIC=m

CONFIG_XEN_NETDEV_FRONTEND=m

CONFIG_XEN_NETDEV_BACKEND=m

CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y

CONFIG_HVC_XEN=y

CONFIG_HVC_XEN_FRONTEND=y

CONFIG_XEN_WDT=m

CONFIG_XEN_FBDEV_FRONTEND=y

# Xen driver support

CONFIG_XEN_BALLOON=y

# CONFIG_XEN_SELFBALLOONING is not set

CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y

CONFIG_XEN_SCRUB_PAGES=y

CONFIG_XEN_DEV_EVTCHN=m

CONFIG_XEN_BACKEND=y

CONFIG_XENFS=m

CONFIG_XEN_COMPAT_XENFS=y

CONFIG_XEN_SYS_HYPERVISOR=y

CONFIG_XEN_XENBUS_FRONTEND=y

CONFIG_XEN_GNTDEV=m

CONFIG_XEN_GRANT_DEV_ALLOC=m

CONFIG_SWIOTLB_XEN=y

CONFIG_XEN_TMEM=m

CONFIG_XEN_PCIDEV_BACKEND=m

CONFIG_XEN_PRIVCMD=m

CONFIG_XEN_ACPI_PROCESSOR=m

CONFIG_XEN_MCE_LOG=y

CONFIG_XEN_HAVE_PVMMU=y

What can be the issue.

Previous kernel was not standard kernel,it is a modified kernel from our service provider

Any idea why new kernel is not showing any xen bits

Thanks,

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