Re: [Xen-devel] [Xen-users] Re: Xen 4 TSC problems

[Mauro <mrsanna1@xxxxxxxxx>]

really really bad news, I hope this annoying problem will be resolved very soon.


On 15 October 2012 10:05,  <Philippe.Simonet@xxxxxxxxxxxx> wrote:
> Hi Oliver
>
>
>
> bad news, this means that xen 4.1xxx doesnât solve this issue â
>
>
>
> on my side, on my  hardware that produce this bug ,I never had the problem
> whit this combination : (100% WHEEZY)
>
> ii  xen-hypervisor-4.1-amd64                  4.1.3-2
> amd64        Xen Hypervisor on AMD64
>
> ii  linux-image-3.2.0-3-amd64                 3.2.23-1
> amd64        Linux 3.2 for 64-bit PCs
>
>
>
>                 (this was because I had a great hope that 4.1.xxx solved the
> problem â)
>
>
>
> Philippe
>
>
>
>
>
>
>
> From: xen-devel-bounces@xxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxx] On Behalf Of Olivier Hanesse
> Sent: Monday, October 15, 2012 9:40 AM
> To: Mauro
> Cc: Dan Magenheimer; xen-devel@xxxxxxxxxxxxxxxxxxx; Keir Fraser; Jeremy
> Fitzhardinge; Keir Fraser; Xen Users; Mark Adams
> Subject: Re: [Xen-devel] [Xen-users] Re: Xen 4 TSC problems
>
>
>
> Hello,
>
>
>
> Strange things on this rainy morning, I got this bug again on another
> hardware, and Xen hypervisor from Wheezy and kernel from Squeeze.
>
>
>
> ii  linux-image-2.6.32-5-xen-amd64      2.6.32-46                  Linux
> 2.6.32 for 64-bit PCs, Xen dom0 support
>
> ii  xen-hypervisor-4.1-amd64               4.1.3-2                      Xen
> Hypervisor on AMD64
>
>
>
> I've upgraded this server last week. I don't know if it is linked or not,
> but I didn't get any 'time wrap' on this server for more than 250days.
>
> Maybe it is related to the upgrade process. Before the upgrade, my version
> were :
>
>
>
> ii  linux-image-2.6.32-5-xen-amd64   2.6.32-41squeeze2            Linux
> 2.6.32 for 64-bit PCs, Xen dom0 support
>
> ii  xen-hypervisor-4.1-amd64            4.1.2-2                      Xen
> Hypervisor on AMD64
>
>
>
> I only upgraded half of my servers, so I will wait a little bit to upgrade
> the other half and see if this issue occurs again only on updated servers.
>
>
>
> For the record, always the same errors :
>
>
>
> xm dmesg => (XEN) Platform timer appears to have unexpectedly wrapped 10 or
> more times.
>
>
>
> /var/log/*   => Oct 14 22:46:07 eul2400468 kernel: [734618.562219]
> Clocksource tsc unstable (delta = -2999660313370 ns)
>
>
>
> I thought it was this issue was hardware related, maybe not.
>
>
>
> Olivier
>
>
>
> 2012/9/30 Mauro <mrsanna1@xxxxxxxxx>
>
> On 30 September 2012 21:23, Mauro <mrsanna1@xxxxxxxxx> wrote:
>> On 30 September 2012 17:13, Pasi KÃrkkÃinen <pasik@xxxxxx> wrote:
>>> On Sat, Sep 29, 2012 at 02:19:55PM +0200, Mauro wrote:
>>>> It's happened another time, system date 50 minutes ahead.
>>>> There is really no solution?
>>>>
>>>
>>> Try with a recent Xen hypervisor version. Xen 4.1.3 or 4.2.0.
>>> It helps a lot to know if the issue is still in the latest hypervisor
>>> versions or not.
>
> There is someone that had the problem and solved using a recent xen
> hypervisor?
>
>

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