Re: XEN 4.0.1 + pv_ops Kernel + CentOS 5.5 x86_64, is there an easier way.

[David Gonzalez Herrera <dgonzalezh@gmail.com>]

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Changed it, and unfortunately the error when starting xend shows up again.

Thank you for your help I got a little further ;)

---
David Gonzalez H.
DGHVoIP - OPEN SOURCE TELEPHONY SOLUTIONS
Phone Bogotá: +(57-1)289-1168
Phone Medellin: +(57-4)247-0985
Mobile: +(57)315-838-8326
MSN: david@planetaradio.net
Skype: davidgonzalezh
WEB: http://www.dghvoip.com/
Proud Linux User #294661


On Sun, Dec 12, 2010 at 8:32 PM, Michael A. Collins <mike@ark-net.org>wrote:

> On Sun, 12 Dec 2010 15:59:49 -0500, David Gonzalez Herrera <
> dgonzalezh@gmail.com> wrote:
>
>> Why thank you for the quick reply :)
>>
>> I've already tried all that, however not used the init=/sbin/upstart.
>> It boots using the myoung pre-built RPM xend doesn't start, In fact I
>> wanted to paste some of the output I get
>>
>> [root@vmhost ~]# uname -r
>> 2.6.32.26-174.xendom0.fc12.x86_64
>>
>> grub.conf part
>>
>> title Fedora (2.6.32.26-174.xendom0.fc12.x86_64)
>>  root (hd0,0)
>> kernel /xen.gz loglvl=all guest_loglvl=all noreboot lapic=debug
>> iommu=off
>> kernel /vmlinuz-2.6.32.26-174.xendom0.fc12.x86_64 ro
>> root=/dev/mapper/gw-root init=/sbin/upstart nomodeset selinux=0
>> rd_LVM_LV=gw/root rd_LVM_LV=gw/swap rd_NO_LUKS rd_NO_MD rd_NO_DM
>> LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=es rhgb
>> initrd /initramfs-2.6.32.26-174.xendom0.fc12.x86_64.img
>>
>>
> Your grub line is wrong, it should be module after the first kernel.  I'm
> sure that replacing the second instance of kernel with module in your
> grub.conf will get you a little further.
>
>> The xen build howto also stated to use the "/proc/xen" mount on
>> /etc/fstab, I have that but boot compains about the mountpoint not
>> existing.
>>
>> mount: mount point /proc/xen does not exist
>>
>> and finally:
>>
>> [root@vmhost ~]# xend
>> ERROR Internal error: Could not obtain handle on privileged command
>> interface (2 = No such file or directory)
>> Traceback (most recent call last):
>>   File "/usr/sbin/xend", line 16, in
>>     from xen.xend.server import SrvDaemon
>>   File
>> "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py",
>> line 26, in
>>     import relocate
>>   File
>> "/usr/lib64/python2.7/site-packages/xen/xend/server/relocate.py", line
>> 28, in
>>     from xen.xend import XendDomain
>>   File "/usr/lib64/python2.7/site-packages/xen/xend/XendDomain.py",
>> line 36, in
>>     from xen.xend import XendOptions, XendCheckpoint,
>> XendDomainInfo
>>   File
>> "/usr/lib64/python2.7/site-packages/xen/xend/XendCheckpoint.py", line
>> 20, in
>>     from xen.xend import balloon, sxp, image
>>   File "/usr/lib64/python2.7/site-packages/xen/xend/image.py", line
>> 46, in
>>     xc = xen.lowlevel.xc.xc()
>> xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle
>> on privileged command interface (2 = No such file or directory)')
>>
>> Weird 'cause that error only showed up when you don't have a xenified
>> kernel loaded but my uname says the countrary, so I'm lost.
>>
>> I'm compiling the kernel with the instructions/.config file found on
>> your link, I'll try to boot it and will tell you the outcome.
>>
>> Any ideas on what to do?
>>
>> Thank you people.
>> ---
>> David Gonzalez H.
>> DGHVoIP - OPEN SOURCE TELEPHONY SOLUTIONS
>> Phone Bogotá: +(57-1)289-1168
>> Phone Medellin: +(57-4)247-0985
>>  Mobile: +(57)315-838-8326
>> MSN: david@planetaradio.net [1]
>> Skype: davidgonzalezh
>> WEB: http://www.dghvoip.com/ [2]
>>  Proud Linux User #294661
>>
>> On Sun, Dec 12, 2010 at 2:25 PM, Boris Derzhavets  wrote:
>>
>>
>>  I've tried compiling the Kernel from Source, I've also tried Fedora
>>>
>> 14, which has a flaky > pv_ops Dom0 kernel which DOESN'T work at all,
>> but none of these seem to work.
>>
>> http://www.linuxtoday.com/infrastructure/2010090900235OSSV [4]
>>
>> Boris.
>>
>>
>> --- On SUN, 12/12/10, DAVID GONZALEZ HERRERA __ wrote:
>>
>> From: David Gonzalez Herrera
>> Subject: [Xen-users] XEN 4.0.1 + pv_ops Kernel + CentOS 5.5 x86_64, is
>> there an easier way.
>>  To: "xen-users" , xen-devel@lists.xensource.com [7]
>>
>>  Date: Sunday, December 12, 2010, 12:42 PM
>>
>> Hi
>>
>> As you may've seen from my last posts I'm struggling to get the setup
>> on my subject line to work without flaws.
>>
>> I've tried compiling the Kernel from Source, I've also tried Fedora
>> 14, which has a flaky pv_ops Dom0 kernel which DOESN'T work at all,
>> but none of these seem to work.
>>
>> I'm a mid-time XEN user, I just love it and want to stay away from KVM
>>  but the migration path is too rough when you want pv_ops Dom0, and
>> all seem to be just projects, TODOs and snapshots, nothing really
>> serious IMHO there's lots of misleading info and there are many gaps
>> on existing howtos, I've read that SuSE has back-ported some stuff
>> from 2.6.3.x branch into 2.6.18 but I want native and I don't want to
>> be toying around with Debian'ish stuff in production environments.
>>
>> I'd like to keep using RH like system because of their robustness and
>> because I'm used to work with it as a RHCE.
>>
>> Please, would you help me find a distro which would integrate
>>
>> RH like
>> XEN 4.0.1
>> pv_ops Dom0 kernel
>>
>> I want to run telephony stuff on them and tho I kinda got my Openvox
>> A1200P card to work 50% of the times now with xen 4.0.1 it won't work
>> but I guess that's because I'm using Kernel 2.6.18.x with XEN 4 which
>> is not recommended.
>>
>> Any advise will be deeply appreciated.
>>
>> Thank you.
>>
>> ---
>> David Gonzalez H.
>> DGHVoIP - OPEN SOURCE TELEPHONY SOLUTIONS
>> Phone Bogotá: +(57-1)289-1168
>>  Phone Medellin: +(57-4)247-0985
>>  Mobile: +(57)315-838-8326
>> MSN: david@planetaradio.net [8]
>> Skype: davidgonzalezh
>> WEB: http://www.dghvoip.com/ [9]
>>  Proud Linux User #294661
>>
>> On Sun, Dec 12, 2010 at 12:20 PM, Ozan Safi  wrote:
>>
>>  Hi,
>> Has there been any development in the OVF support for Xen?
>> It was in the roadmap of Xen 3.4
>> (http://www.xen.org/download/roadmap.html [11])
>>
>>
>> /Ozan
>> _______________________________________________
>>  Xen-users mailing list
>>  Xen-users@lists.xensource.com [12]
>>  http://lists.xensource.com/xen-users [13]
>>
>>
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>>
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>>
>>
>>
>> Links:
>> ------
>> [1] mailto:david@planetaradio.net
>> [2] http://www.dghvoip.com/
>> [3] mailto:bderzhavets@yahoo.com
>> [4] http://www.linuxtoday.com/infrastructure/2010090900235OSSV
>> [5] mailto:dgonzalezh@gmail.com
>> [6] mailto:xen-users@lists.xensource.com
>> [7] mailto:xen-devel@lists.xensource.com
>> [8] http://mc/compose?to=david@planetaradio.net
>> [9] http://www.dghvoip.com/
>> [10] http://mc/compose?to=ozansafi@gmail.com
>> [11] http://www.xen.org/download/roadmap.html
>> [12] http://mc/compose?to=Xen-users@lists.xensource.com
>> [13] http://lists.xensource.com/xen-users
>> [14] http://mc/compose?to=Xen-users@lists.xensource.com
>> [15] http://lists.xensource.com/xen-users
>>
> Mike
>

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