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xen-devel
[Xen-devel] Timer ISR/0: Time went backwards
On Fri, 2005-10-07 at 10:03 -0400, Ted Kaczmarek wrote:
> ###############################################
> changeset: 7234:bd37123974b2
> Centos 4.1 dom0, Tyan 2462 SMP, 8k kernel stack
> ###############################################
>
> 7 UP guests, have 1 very fat guest(1200 megs, running tomcat4,
> postgresql, and opennms unstable) domain1, issuing
> xm save domain1;xm restore domain1
>
> saw these log messages.
>
> XEN) (file=grant_table.c, line=940) Grant unref rd(13) ld(0) frm(1a8cd)
> flgs(1).
> (XEN) (file=grant_table.c, line=940) Grant unref rd(13) ld(0) frm(1a614)
> flgs(1).
>
>
> DomU's exceeding 24 hours of uptime, other than issues related to load
> on dom0 things are behaving rather well.
>
> Where can a user obtain docs on the grant tables by the way?
> Is the source the only present place?
>
>
> Regards
> Ted
>
>
> _______________________________________________
Within seconds of setting this a total melt down :-(
A couple hundred or so of these on the console.
Timer ISR/0: Time went backwards: delta=-9101039 cpu_delta=10898961
shadow=89150287265250 off=9333682407 processed8 0: 89159610048608
1: 89159630000000
Timer ISR/0: Time went backwards: delta=-9144937 cpu_delta=10855063
shadow=89150287265250 off=9343638515 processed8 0: 89159620048608
1: 89159640000000
Timer ISR/0: Time went backwards: delta=-8707693 cpu_delta=11292307
shadow=89150287265250 off=9354075736 processed8 0: 89159630048608
1: 89159650000000
You guys putting any gremlins in this code :-)
Regards,
Ted
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