>>>>> On Mon, 24 Aug 2009 20:43:57 +0300
>>>>> "PK" == Pasi Kärkkäinen <pasik@xxxxxx> wrote:
PK> On Mon, Aug 24, 2009 at 06:04:06PM +0200, Bernhard Gschaider
PK> wrote:
>> >>>>> On Thu, 20 Aug 2009 01:47:07 +0200
>> >>>>> "BG" == Bernhard Gschaider <bgschaid_lists@xxxxxxxxx> wrote:
>>
BG> Thanks to everyone who took the time to answer in this thread.
>>
BG> I'm just writing this message to give this thread some closure
BG> and am not expecting any answers
>> I found the cause of my problem. I'll answer to my own posting,
>> because none of the follow-ups lead to the solution, the reason
>> being that I withheld some vital information for the diagnosis:
>>
>> The filesystem which the disk-image for the virtual machine
>> resides on is XFS!
>>
>> Googling around I found indications that there are indications
>> that XEN and XFS are not the best of friends, but nobody hinted
>> at something as drastic as completely freezing the host.
>>
>> Anyway. When I create the image on an ext3-partition and point
>> the configuration to it (no other changes) the installation
>> works without problems.
>>
PK> Are you running 32bit or 64bit Xen host/dom0?
PK> XFS is known to have problems on 32bit kernels, while it
PK> should work on 64bit kernels. (this is even without Xen).
Everything is 64 bit. So that can't be the explanation.
PK> -- Pasi
>> Bernhard
>>
>> PS: There were speculations in the replies, that this was my
>> first Xen-experience. I want to stress that I have already a
>> running Xen-machine, that's why I was surprised that it didn't
>> work this time (but I set that one up a year ago, so
>> technically I am starting anew with Xen and the speculations
>> are right)
>>
>> >>>>> On Wed, 19 Aug 2009 10:29:33 -0700 (PDT)
>> >>>>> "IM" == Ian Murray <murrayie@xxxxxxxxxxx> wrote:
>>
>> >>> > This (and other replies) lead me to two possible
>> culprits: > >>> - either the graphical console over X11 is not
>> a good idea >>> (but I > can't imagine that, it shouldn't shoot
>> the kernel) > >>> - I always installed as a paravirtualized
>> machine, Could it be >>> that > the install-kernel on the
>> 5.3-media is not aware of >>> this and somehow > manages to
>> shot the host (because I noticed >>> that most recipies on >
>> the > net, including >>> http://wiki.centos.org/HowTos/Xen/ >
>> InstallingCentOSDomU > >>> never talk about paravirtualized (so
>> I assume they use a fully >>> > virtualized guest)
>> >>> >
>> >>> > I will try these later today (when people left the office
>> >>> and no one > will complain about server downtimes)
>> >>> >
>> >>> > Bernhard
>> >>> >
>> >>> > BTW: Just one fundamental question: as the upstream OS
>> >>> vendor is > switching his virtualization to KVM anyway, is
>> it >>> a good idea to > forget Xen and use KVM (in other words:
>> is it >>> stable enough for > production)?
>>
BG> I tried removing both suspects by
>>
BG> - following the Wiki-Howto to the letter (especially using the
BG> Xen-install-kernels) - instead of going over the network I
BG> worked directly at the machine (although I totally agree that
BG> a VNC-session shouldn't be ble to shoot the machine)
>>
BG> but the problem is still there. When I start the configured
BG> machine that points to an install-kernel with
>>
BG> xm create newGuest -c
>>
BG> I see the kernel boot up until it comes to the message
>>
BG> Write protecting the kernel read-only data
>>
BG> where it hangs for some seconds, then the screen goes blank
BG> and the machine reboots.
>>
BG> I'm starting to suspect that it is somehow hardware-related
BG> (it is a Fujitsu-Siemens Synergy server with a
BG> RAID-controller) and I will investigate in that direction
>>
>>
>> --
>> ---------------------------------------------------------------------------
>> DI Bernhard F.W. Gschaider
>> ---------------------------------------------------------------------------
>> EMail: Bernhard.Gschaider@xxxxxxxxx WWW : www.ice-sf.at Jabber
>> : bgschaid@xxxxxxxxxx Tel: +43(3842)98282-42 Fax:
>> +43(3842)98282-02
>> ---------------------------------------------------------------------------
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PK> list CentOS@xxxxxxxxxx
PK> http://lists.centos.org/mailman/listinfo/centos
--
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DI Bernhard F.W. Gschaider
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WWW : www.ice-sf.at
Jabber : bgschaid@xxxxxxxxxx
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