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xen-users
Re: [Xen-users] Xen system hang or freeze
I tried this before. I had your kernel a few months but this changed nothing.
I had freezed with this kernel too in the same way.
Am Sonntag, 5. April 2009 14:29:20 schrieb Andrew Lyon:
> On Sat, Apr 4, 2009 at 4:00 PM, Martin Fernau <m.fernau@xxxxxxxxxx> wrote:
> > Hi,
> >
> > I just want to tell you that I've the same issue for one server!
> > Hardware:
> > Fujitsu Siemens PRIMERGY TX200 S4
> > CPU: Intel Xeon Dual Quad E5405 2GhZ
> > Hardware Raid: LSI Logic / Symbios Logic MegaRAID SAS 1078 with SAS HDDs
> > I'm running 4 guests on it:
> > - Win2003
> > - Win2003
> > - Gentoo Linux
> > - Windows XP Prof
> >
> > The xen 3.3.0 is running on a gentoo with a 2.6.18-xen-r12 kernel.
>
> I had the same problem with the 2.6.18-xen-rX Gentoo kernels, so I
> made my own ebuild and patches from the openSUSE Xen patches, you can
> get it from http://code.google.com/p/gentoo-xen-kernel/downloads/list
>
> Andy
>
> > The systems hangs round about all 3-4 weeks as far as I can tell. This
> > server is quite new (from nov 2008) and the ServerView doesn't tell me
> > anything about hardware problems. It seems from this point that the
> > hardware is ok. If the server hangs then it's not responsive for any kind
> > of input. Neither the network is working (ping to dom0 or one of the
> > guests) nor
> > keyboard/monitor of the server itself is responding to anything. Black
> > screen.. nothing more. A hard reset is the only thing to get the system
> > back to life.
> >
> > /var/log/messages just show nothing. It's like disconnecting the power
> > cable. I have no idea and no hints about this problem.
> > At the moment I've a cronjob running which collects some system
> > informations of the dom0 every minute - I hope that the very last run
> > (just before the next crash happens) will show me some kind of
> > informations which maybe point me to the problem!? However - I currently
> > have no clue which kind of informations will be helpful for this purpose.
> > I currently log the following things every minute:
> > - dmesg
> > - free
> > - netstat -lnp
> > - ps aux
> > - w
> > - vgdisplay
> > - lvdisplay
> >
> > hints about other informations which could be helpful? any xen related
> > commands?
> >
> > Interesting that you use lvm too. I also use lvm for my guests and use
> > the snapshot functionality on a daily basis to backup the server to a
> > tape. dom0 is running on a normal partition. I use lvm 2.02.36
> >
> > Regards,
> > Martin
> >
> > Am Freitag, 3. April 2009 16:56:28 schrieb Paraic Gallagher:
> >> Hi all,
> >>
> >> This is my first post to the list, I hope someone out there can help!
> >>
> >> I am running xen 3.0.3, with CentOS 5.2 based Dom0
> >> (kernel-xen-2.6.18-92.1.22.el5)
> >>
> >> Recently I have noticed some complete system lockups on a few different
> >> servers. Neither Dom0 or any of the guests respond to pings, connecting
> >> a keyboard and monitor to the system only shows a blank screen. Nothing
> >> is written to logs at time of lockup.
> >>
> >> The problem is very difficult to reproduce and seems very random by
> >> nature. Sometimes if a system is left running for a few weeks it will
> >> happen, other times it can happen after a reboot. I have tried taxing
> >> the system running various scripts, rebooting numerous times, and
> >> creating/destroying a few guests, etc but no luck. It seems like a
> >> hardware issue but has been reproduced on a few different machines.
> >>
> >> For a while (clutching at straws) I thought it was due to changes in the
> >> clock (from daylight savings) so tried changing time backwards and
> >> forwards but this had no effect.
> >>
> >> Has anyone else out there seen a problem like this? Is there any way to
> >> diagnose it when it does happen. (It is very frustrating to have a
> >> hanged system where you cannot access for any information).
> >>
> >> If anyone wants any further info or ideas on what I could try please let
> >> me know.
> >>
> >> Regards,
> >> Paraic.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
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