Re: [Xen-devel] CE: xen increasing min_delta_ns to 14866484018615571080 nsec

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 04/10/2010 02:41 AM, Olivier B. wrote:
> Hi,
>
> I often have this problem on a PV DomU :
>
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 14866484018615571080 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 13076353991068580812 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 1167786912893319602 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 10975052406194755210 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 7239206572437357006 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 10858809858656035508 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 16288214787984053262 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 5985578108266528276 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 18201739199254568222 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 18079236762027076524 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 8672111069331063170 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 3784794567141818946 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 5677191850712728418 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 8515787776069092626 nsec
> [9223372308.932175] CE: xen increasing min_delta_ns to
> 12773681664103638938 nsec

Hm, those are very large numbers...

> The Dom0 kernel is a 64bit pv_ops, the "new" 2.6.32 from Debian sid,
> and I had same problem with my previous
> vmlinuz-2.6.31.6-dae-dom0-00751-g60e0545. I use Xen 3.4.3 (rc3).
>
> And on the DomU, it's a vanilla 2.6.32.9 kernel. This VM have 4 VCPU
> and near 8G of RAM.
>
> Any idea ?

This looks very similar to a bug that was fixed in 2.6.32.11.  Could you
try that out?

Thanks,
    J

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