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From: =?UTF-8?Q?Jan=2DArve_Nyg=C3=A5rd?= <jan.arve.nygard@gmail.com>
Date: Fri, 10 Apr 2015 13:36:05 +0200
Message-ID: 
 <CAD6Sckbm_BtPNkAVS3Xi-7n+yhZE6-4FOOefA0_eqyvCcmWg-g@mail.gmail.com>
Subject: Re: XenServer 6.5
To: users@cloudstack.apache.org
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Yep! Btw, the host are HP ProLiant BL460c Gen9 so anyone with a similar
setup can be aware of this.

2015-04-10 10:15 GMT+02:00 Vadim Kimlaychuk <Vadim.Kimlaychuk@elion.ee>:

> Holy Moly ! This is something really important to consider. Luckiliy you
> don't need to change motherboard and have workaround.
>
> Vadim.
>
> -----Original Message-----
> From: Jan-Arve Nyg=C3=A5rd [mailto:jan.arve.nygard@gmail.com]
> Sent: Thursday, April 09, 2015 6:36 PM
> To: users@cloudstack.apache.org
> Subject: Re: XenServer 6.5
>
> Even though the identifications steps don't match, disabling intremap in =
XS
> 6.5 seems to have solved the issue for us:
> http://support.citrix.com/article/CTX136517
>
> 2015-04-08 22:15 GMT+02:00 Tomasz Zi=C4=99ba <t.a.zieba@gmail.com>:
>
> > Yes, XenTools65
> >
> > Regards,
> > Tomasz Zi=C4=99ba
> >
> > Twitter: @TZieba
> > LinkedIn: pl.linkedin.com/pub/tomasz-zi=C4=99ba-ph-d/3b/7a8/ab6/
> <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> >
> > sent from mobile
> > 8 kwi 2015 21:17 "Jan-Arve Nyg=C3=A5rd" <jan.arve.nygard@gmail.com>
> napisa=C5=82(a):
> >
> > > Thanks for testing and feedback. I suppose you are using the tools
> > provided
> > > with XS 6.5 as well?
> > >
> > > I have sent our crash dumps to Citrix and are awaiting their analysis=
.
> > Will
> > > update with the root cause when it's found.
> > >
> > > -thinktwo
> > >
> > > 2015-04-08 20:56 GMT+02:00 Tomasz Zi=C4=99ba <t.a.zieba@gmail.com>:
> > >
> > > > Hi,
> > > >
> > > > Test 1
> > > >
> > > > 1. XS6.5 without updates
> > > > 2. XenCenter only
> > > > 3. Storage
> > > > a) NFS primary storage
> > > > b) FC primary storage
> > > > 4. VM Ubuntu 14.04.02 with Tools
> > > > 5. Snapshots
> > > > a) VM Snapshots disks
> > > > b) VM Snapshots disks and memory
> > > >
> > > > Test 2
> > > >
> > > > 1. XS6.5 all updates: XS65E001, XS65E002, XS65E003, XS65E005,
> > > > XS65E006,
> > > > XS65E008
> > > > 2. XenCenter only
> > > > 3. Storage
> > > > a) NFS primary storage
> > > > b) FC primary storage
> > > > 4. VM Ubuntu 14.04.02 with Tools
> > > > 5. Snapshots
> > > > a) VM Snapshots disks
> > > > b) VM Snapshots disks and memory
> > > > Summary
> > > > VM Reverts (with all combinations of hardware and updates) works
> fine.
> > > >
> > > >
> > > > --
> > > > Regards,
> > > > Tomasz Zi=C4=99ba
> > > > Twitter: @TZieba
> > > > LinkedIn: pl.linkedin.com/pub/tomasz-zi=C4=99ba-ph-d/3b/7a8/ab6/
> <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > > > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > > > <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> > > >
> > > > 2015-04-08 17:30 GMT+02:00 Jan-Arve Nyg=C3=A5rd
> > > > <jan.arve.nygard@gmail.com
> > >:
> > > >
> > > > > Thanks,
> > > > >
> > > > > We are running a build based on 4.5.1. Snapshots with memory
> > > > > (from CloudStack or XenCenter) and a revert works as expected
> > > > > with a CentOS
> > > 6.6
> > > > > install and XenServer 6.5 and the same version of
> > xen-guest-utilities.
> > > > >
> > > > > I also just tested with a new install of Ubuntu 14.04.2 LTS from
> > > running
> > > > > kernel 3.16.0-30-generic #40~14.04.1-Ubuntu with a new
> > > > > installation
> > of
> > > > > xe-guest-utilities_6.5.0-1400_amd64.deb installed (from Xens
> > > > xs-tools.iso)
> > > > > and the XenServer 6.5 hosts running the VM still crashed when
> > > > > taking snapshot with memory.
> > > > >
> > > > > It would be very interesting to know if you also experience this
> > > behavior
> > > > > so let me know when you have had time to test it.
> > > > >
> > > > >
> > > > > -thinktwo
> > > > >
> > > > > 2015-04-08 16:46 GMT+02:00 Vadim Kimlaychuk <
> > Vadim.Kimlaychuk@elion.ee
> > > >:
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > >         This is really scary. Can test within couple of days,
> > > > > > but I
> > > > will
> > > > > > put 4.5.1 version as 4.5 is broken.  Memory snapshots are not
> > > available
> > > > > for
> > > > > > the XenServer as far as I know, but they just failed at CS
> before.
> > > > Host
> > > > > > did crash definately.
> > > > > >
> > > > > > Vadim.
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: Jan-Arve Nyg=C3=A5rd [mailto:jan.arve.nygard@gmail.com]
> > > > > > Sent: Wednesday, April 08, 2015 2:43 PM
> > > > > > To: users@cloudstack.apache.org
> > > > > > Subject: XenServer 6.5
> > > > > >
> > > > > > Hi all,
> > > > > >
> > > > > > We recently experienced a host crash on XenServer 6.5 (all
> > available
> > > > > > patches applied) when running snapshot of the virtual machines
> > disks
> > > > and
> > > > > > memory. Snapshots of disks only (not memory) does not cause a
> > > XenServer
> > > > > > crash. This happens both when initiating the snapshots from
> > > CloudStack
> > > > > 4.5
> > > > > > or directly from XenServer/Center.
> > > > > >
> > > > > > We are able to reproduce this with Ubuntu 14.04.2 and
> > > > xe-guest-utilities
> > > > > > 6.5.0-1400, XenServer 6.5 with all available patches and FC as
> > > primary
> > > > > > storage. We will continue to test with other
> versions/combinations.
> > > > > >
> > > > > > Could someone else with XenServer 6.5 please try a full
> > > > > > snapshot of
> > > VM
> > > > > > with disks and memory to see if you experience the same? We
> > > > > > have
> > the
> > > > > crash
> > > > > > dumps and will report this but it would be useful with some
> > > > > > more
> > > > > feedback.
> > > > > >
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > -thinktwo
> > > > > >
> > > > >
> > > >
> > >
> >
>

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