Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-22 Thread John Garbutt
6.0.0 should work fine.

I must have gained some weak mind reading powers, and I just wrote a few more 
wiki pages.

Here is the best place to start:
http://wiki.openstack.org/XenServer

I actually just added this wiki page (still a work in progress really):
http://wiki.openstack.org/XenServer/PostInstall

Hope that helps,
John

From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
Behalf Of Kieran Evans
Sent: 22 March 2012 9:49
To: openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

In hindsight, that makes sense (though I swear I disabled root-squashing). I've 
been having other issues now, so quick question;

Most guides referer/specify XenServer 6.0.2, should 6.0 work (due to 6.0.2 
being temporarily unavailable?).

I'm going to try now with XenServer 6.0 and build remotely.

Another quick question:

Should this all work on a completely vanilla install of XenServer or XCP or is 
there any prep-work not mentioned anywhere, or any steps a complete Xen newb 
may miss?

/Kieran

On 21 Mar 2012, at 20:11, Ewan Mellor wrote:


I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: 
openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net
 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:citrix@lists.launchpad.net]
 On Behalf Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.netmailto:openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-22 Thread Kieran Evans
Thanks for the help/advice all. I did have root squashing disabled, but 
something else must've been playing up. I did the build on another machine and 
it's working now. At least, the ALLINONE vm booted and prepare_guest.sh is 
running, so fingers crossed!

On one of the wiki pages, it says that an Openstack supplemental pack is in the 
works, would it be safe to assume this would be a production oriented pack, 
rather than the devstack style dev oriented setup?

/Kieran

On 22 Mar 2012, at 11:31, John Garbutt wrote:

 6.0.0 should work fine.
  
 I must have gained some weak mind reading powers, and I just wrote a few more 
 wiki pages.
  
 Here is the best place to start:
 http://wiki.openstack.org/XenServer
  
 I actually just added this wiki page (still a work in progress really):
 http://wiki.openstack.org/XenServer/PostInstall
  
 Hope that helps,
 John
  
 From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
 [mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
 Behalf OfKieran Evans
 Sent: 22 March 2012 9:49
 To: openstack@lists.launchpad.net
 Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 In hindsight, that makes sense (though I swear I disabled root-squashing). 
 I've been having other issues now, so quick question;
  
 Most guides referer/specify XenServer 6.0.2, should 6.0 work (due to 6.0.2 
 being temporarily unavailable?). 
  
 I'm going to try now with XenServer 6.0 and build remotely. 
  
 Another quick question:
  
 Should this all work on a completely vanilla install of XenServer or XCP or 
 is there any prep-work not mentioned anywhere, or any steps a complete Xen 
 newb may miss?
  
 /Kieran
  
 On 21 Mar 2012, at 20:11, Ewan Mellor wrote:
 
 
 I’ve never seen that kernel panic before.  If you’re building on an NFS share 
 though, that often screws up the permissions.  You could have root-squashing 
 turned on, and then every file that’s supposed to be owned by root is owned 
 by an unprivileged user instead.  It wouldn’t surprise me that this freaks 
 out the init process.
  
 I’d try building somewhere else and see if that helps.  Or see whether you’ve 
 got root-squashing or some other permission-modifying option turned on.
  
 Cheers,
  
 Ewan.
  
 From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
 [mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On 
 Behalf Of Kieran Evans
 Sent: Saturday, March 17, 2012 9:38 AM
 To: openstack@lists.launchpad.net
 Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 Hi all,
  
 I'm not sure if this is the right place for this (and if not, can anyone 
 point out where).
  
 I've used the devstack scripts to try to set up Openstack on both XenServer 
 6.0 and XCP 1.5 using the following guides:
  
 http://wiki.xen.org/wiki/XCP_DevStack
 https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md
  
 Wether on XenServer or XCP, I always seem to hit the same issue. When the 
 ALLINONE VM is fired up, it shuts down after a few seconds with a kernel 
 panic ( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
 domU_multi scripts too.
  
 A note, in case it may affect the build scripts somehow, For external 
 storage, rather than using a different machine, or external USB, I've mounted 
 /root to an NFS share before running prepare_dom0.sh.
  
 We've currently got a Diablo Openstack installation up and running using 
 StackOps, but I'm currently trying out essex on some spare machines (both to 
 get to know it, and an attempt to see if running with Xen is of any advantage 
 to us).
  
 Thanks
  
 /Kieran
  

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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-22 Thread John Garbutt
Afraid I haven't finished producing the supplemental packs yet (might be a few 
weeks till I get around to finishing that stuff off). I was aiming to allow the 
supplemental packs to work in both cases, if I can.

Cheers,
John

From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
Behalf Of Kieran Evans
Sent: 22 March 2012 1:36
To: openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

Thanks for the help/advice all. I did have root squashing disabled, but 
something else must've been playing up. I did the build on another machine and 
it's working now. At least, the ALLINONE vm booted and prepare_guest.sh is 
running, so fingers crossed!

On one of the wiki pages, it says that an Openstack supplemental pack is in the 
works, would it be safe to assume this would be a production oriented pack, 
rather than the devstack style dev oriented setup?

/Kieran

On 22 Mar 2012, at 11:31, John Garbutt wrote:


6.0.0 should work fine.

I must have gained some weak mind reading powers, and I just wrote a few more 
wiki pages.

Here is the best place to start:
http://wiki.openstack.org/XenServer

I actually just added this wiki page (still a work in progress really):
http://wiki.openstack.org/XenServer/PostInstall

Hope that helps,
John

From: 
openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.netmailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net
 
[mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.netmailto:eu.citrix@lists.launchpad.net]
 On Behalf OfKieran Evans
Sent: 22 March 2012 9:49
To: openstack@lists.launchpad.netmailto:openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

In hindsight, that makes sense (though I swear I disabled root-squashing). I've 
been having other issues now, so quick question;

Most guides referer/specify XenServer 6.0.2, should 6.0 work (due to 6.0.2 
being temporarily unavailable?).

I'm going to try now with XenServer 6.0 and build remotely.

Another quick question:

Should this all work on a completely vanilla install of XenServer or XCP or is 
there any prep-work not mentioned anywhere, or any steps a complete Xen newb 
may miss?

/Kieran

On 21 Mar 2012, at 20:11, Ewan Mellor wrote:



I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: 
openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net
 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:citrix@lists.launchpad.net]
 On Behalf Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.netmailto:openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-22 Thread Kieran Evans
No worries, as I mentioned previously, my main production Openstack install 
is Diablo/Ubuntu/KVM, I'm just looking into XenServer as a potential future 
route. 

I'll keep an eye out for any news on the pack.

I'm sure you have what you need already, but if you want a user with some 
servers to test installing the pack, I'm happy to help!

/Kieran

On 22 Mar 2012, at 14:59, John Garbutt wrote:

 Afraid I haven’t finished producing the supplemental packs yet (might be a 
 few weeks till I get around to finishing that stuff off). I was aiming to 
 allow the supplemental packs to work in both cases, if I can.
  
 Cheers,
 John
  
 From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
 [mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
 Behalf OfKieran Evans
 Sent: 22 March 2012 1:36
 To: openstack@lists.launchpad.net
 Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 Thanks for the help/advice all. I did have root squashing disabled, but 
 something else must've been playing up. I did the build on another machine 
 and it's working now. At least, the ALLINONE vm booted and prepare_guest.sh 
 is running, so fingers crossed!
  
 On one of the wiki pages, it says that an Openstack supplemental pack is in 
 the works, would it be safe to assume this would be a production oriented 
 pack, rather than the devstack style dev oriented setup?
  
 /Kieran
  
 On 22 Mar 2012, at 11:31, John Garbutt wrote:
 
 
 6.0.0 should work fine.
  
 I must have gained some weak mind reading powers, and I just wrote a few more 
 wiki pages.
  
 Here is the best place to start:
 http://wiki.openstack.org/XenServer
  
 I actually just added this wiki page (still a work in progress really):
 http://wiki.openstack.org/XenServer/PostInstall
  
 Hope that helps,
 John
  
 From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
 [mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
 Behalf OfKieran Evans
 Sent: 22 March 2012 9:49
 To: openstack@lists.launchpad.net
 Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 In hindsight, that makes sense (though I swear I disabled root-squashing). 
 I've been having other issues now, so quick question;
  
 Most guides referer/specify XenServer 6.0.2, should 6.0 work (due to 6.0.2 
 being temporarily unavailable?). 
  
 I'm going to try now with XenServer 6.0 and build remotely. 
  
 Another quick question:
  
 Should this all work on a completely vanilla install of XenServer or XCP or 
 is there any prep-work not mentioned anywhere, or any steps a complete Xen 
 newb may miss?
  
 /Kieran
  
 On 21 Mar 2012, at 20:11, Ewan Mellor wrote:
 
 
 
 I’ve never seen that kernel panic before.  If you’re building on an NFS share 
 though, that often screws up the permissions.  You could have root-squashing 
 turned on, and then every file that’s supposed to be owned by root is owned 
 by an unprivileged user instead.  It wouldn’t surprise me that this freaks 
 out the init process.
  
 I’d try building somewhere else and see if that helps.  Or see whether you’ve 
 got root-squashing or some other permission-modifying option turned on.
  
 Cheers,
  
 Ewan.
  
 From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
 [mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On 
 Behalf Of Kieran Evans
 Sent: Saturday, March 17, 2012 9:38 AM
 To: openstack@lists.launchpad.net
 Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 Hi all,
  
 I'm not sure if this is the right place for this (and if not, can anyone 
 point out where).
  
 I've used the devstack scripts to try to set up Openstack on both XenServer 
 6.0 and XCP 1.5 using the following guides:
  
 http://wiki.xen.org/wiki/XCP_DevStack
 https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md
  
 Wether on XenServer or XCP, I always seem to hit the same issue. When the 
 ALLINONE VM is fired up, it shuts down after a few seconds with a kernel 
 panic ( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
 domU_multi scripts too.
  
 A note, in case it may affect the build scripts somehow, For external 
 storage, rather than using a different machine, or external USB, I've mounted 
 /root to an NFS share before running prepare_dom0.sh.
  
 We've currently got a Diablo Openstack installation up and running using 
 StackOps, but I'm currently trying out essex on some spare machines (both to 
 get to know it, and an attempt to see if running with Xen is of any advantage 
 to us).
  
 Thanks
  
 /Kieran
  

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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-22 Thread Ewan Mellor
6.0.0 will work fine.  6.0.2 will be back in the next few hours, too.  (It was 
withdrawn because of a severe bug in the handling of fragmented IPv6 packets 
inside Windows VMs.  That's been fixed now.)

A completely vanilla install would be fine (preferable, even).  Then pick one 
of the guides that John referenced earlier, and you should be good to go.  The 
only thing to do at install time is to make sure you select ext local storage 
rather than LVHD.  It might also be known as XenDesktop-optimized or 
Intellicache depending on where you're looking.  We realized the other day 
that we forgot to document that step and I don't know if John's done it yet.

Cheers,

Ewan.

From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On Behalf 
Of Kieran Evans
Sent: Thursday, March 22, 2012 2:49 AM
To: openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

In hindsight, that makes sense (though I swear I disabled root-squashing). I've 
been having other issues now, so quick question;

Most guides referer/specify XenServer 6.0.2, should 6.0 work (due to 6.0.2 
being temporarily unavailable?).

I'm going to try now with XenServer 6.0 and build remotely.

Another quick question:

Should this all work on a completely vanilla install of XenServer or XCP or is 
there any prep-work not mentioned anywhere, or any steps a complete Xen newb 
may miss?

/Kieran

On 21 Mar 2012, at 20:11, Ewan Mellor wrote:


I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: 
openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net
 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.netmailto:citrix@lists.launchpad.net]
 On Behalf Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.netmailto:openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-21 Thread Ewan Mellor
I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On Behalf 
Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-21 Thread Salvatore Orlando
I recently had a (probably) similar issue, with xcp-squeezed consuming all the 
memory and then causing a reboot.
I was using a pae kernel (3.0.0-16.generic.pae), and the workaround, as 
suggested by the Kronos team, was to increase dom0 memory with a boot parameter 
to the hypervisor. I used dom0_mem=3G.

Regards,
Salvatore

From: openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net] 
On Behalf Of Ewan Mellor
Sent: 21 March 2012 20:11
To: Kieran Evans; openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On Behalf 
Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-21 Thread Salvatore Orlando
Apologies for my previous email.
I did not realize you were referring to a domU kernel. My crash was on a dom0 
kernel.

Salvatore

From: openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net] 
On Behalf Of Salvatore Orlando
Sent: 21 March 2012 21:56
To: Ewan Mellor; Kieran Evans; openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

I recently had a (probably) similar issue, with xcp-squeezed consuming all the 
memory and then causing a reboot.
I was using a pae kernel (3.0.0-16.generic.pae), and the workaround, as 
suggested by the Kronos team, was to increase dom0 memory with a boot parameter 
to the hypervisor. I used dom0_mem=3G.

Regards,
Salvatore

From: openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+salvatore.orlando=eu.citrix@lists.launchpad.net] 
On Behalf Of Ewan Mellor
Sent: 21 March 2012 20:11
To: Kieran Evans; openstack@lists.launchpad.net
Subject: Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: openstack-bounces+ewan.mellor=citrix@lists.launchpad.net 
[mailto:openstack-bounces+ewan.mellor=citrix@lists.launchpad.net] On Behalf 
Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-19 Thread John Garbutt
Hi,

We actively working on improving these guides. Hopefully they will become more 
bullet proof very soon!

We are working on getting the wiki up to scratch as a first step:
http://wiki.openstack.org/XenServerhttp://wiki.openstack.org/XenServer/XenXCPAndXenServer

I have not seen this error myself. How did you install the xva image? Did you 
use build_domU.sh? Where you running as route when doing build_xva?

Can you give me the output of xe vm-param-list for your VM? I can compare that 
with mine to see if there are any settings that could be causing the issue 
(like not being in the correct PV-mode, or similar, although not seen that 
cause a kernel panic myself)

Thanks,
John

From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
[mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
Behalf Of Kieran Evans
Sent: 17 March 2012 4:38
To: openstack@lists.launchpad.net
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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Re: [Openstack] Devstack +XCP/XenServer Kernel Panic

2012-03-19 Thread Kieran Evans
Hi,

I used build_domU.sh (also tried the multi scripts, but got the same error). I 
was root for everything.

I'll have to hold off on sending output. The servers are mid way through a 
reinstall. 

Thanks

/Kieran

On 19 Mar 2012, at 16:46, John Garbutt wrote:

 Hi,
  
 We actively working on improving these guides. Hopefully they will become 
 more bullet proof very soon!
  
 We are working on getting the wiki up to scratch as a first step:
 http://wiki.openstack.org/XenServer
  
 I have not seen this error myself. How did you install the xva image? Did you 
 use build_domU.sh? Where you running as route when doing build_xva?
  
 Can you give me the output of xe vm-param-list for your VM? I can compare 
 that with mine to see if there are any settings that could be causing the 
 issue (like not being in the correct PV-mode, or similar, although not seen 
 that cause a kernel panic myself)
  
 Thanks,
 John
  
 From: openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net 
 [mailto:openstack-bounces+john.garbutt=eu.citrix@lists.launchpad.net] On 
 Behalf Of Kieran Evans
 Sent: 17 March 2012 4:38
 To: openstack@lists.launchpad.net
 Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic
  
 Hi all,
  
 I'm not sure if this is the right place for this (and if not, can anyone 
 point out where).
  
 I've used the devstack scripts to try to set up Openstack on both XenServer 
 6.0 and XCP 1.5 using the following guides:
  
 http://wiki.xen.org/wiki/XCP_DevStack
 https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md
  
 Wether on XenServer or XCP, I always seem to hit the same issue. When the 
 ALLINONE VM is fired up, it shuts down after a few seconds with a kernel 
 panic ( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
 domU_multi scripts too.
  
 A note, in case it may affect the build scripts somehow, For external 
 storage, rather than using a different machine, or external USB, I've mounted 
 /root to an NFS share before running prepare_dom0.sh.
  
 We've currently got a Diablo Openstack installation up and running using 
 StackOps, but I'm currently trying out essex on some spare machines (both to 
 get to know it, and an attempt to see if running with Xen is of any advantage 
 to us).
  
 Thanks
  
 /Kieran
  
  

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