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xen-users
Re: [Xen-users] Xen 4.1.0 + stable-2.6.32.x kernel = crashes, hangs, reb
On Fri, May 13, 2011 at 12:48:30PM -0700, jesse wrote:
> I upgraded a test system from Xen 3.3 to Xen 4.1.0. I've compiled a
> kernel from the xen/stable-2.6.32.x branch from
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git. While I
> can get virtual machines from Xen 3.3 to run with some configuration
> changes I've been unable to keep the host system stable for more than a
> few hours when running domU's. This could be hardware related as this
> is hardly server grade hardware. This is an AMD Athlon X2 on a consumer
> motherboard (ASUS I think). I have run memtest for many hours to see if
> this was related to bad memory but all memory has tested fine. After a
> few hours of running domU's the system will either reboot, hard lock
> (completely unresponsive), crash (completely unresponsive plus stack
> trace displayed), or soft lock (magic sysrq still working).
>
> I've tried running domU's using both xl and xm but both were unstable.
> Here is the xen options for the kernel configuration:
>
<snip>
Hello,
Can you post your full .config ?
Did you try my "reference" .config ? (available on XenParavirtOps wiki page).
>
> I've attached a couple of screenshots of stack traces when those have
> been present. Are there known problems with stability in Xen 4.1? Is
> this possibly a hardware issue that for some reason was not a problem
> under Xen 3.3? Have I inadvertently enabled an unstable kernel module?
> Any advice on how to move forward and resolve this issue. I'd like to
> upgrade my Xen 3.x servers but only once I can be certain there is a
> stable platform for migrate too.
>
> Any advice would be appreciated. Thank you.
I haven't seen this crash earlier.. you should set up a serial console
and capture the full xen+dom0 console output, including the crash/oops,
so it can be debugged..
http://wiki.xen.org/xenwiki/XenSerialConsole
-- Pasi
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