From: "David S. Ahern" <daahern@cisco.com>
To: BRUNO CESAR RIBAS <ribas@c3sl.ufpr.br>
Cc: Zachary Amsden <zamsden@redhat.com>,
Brian Jackson <iggy@theiggy.com>, kvm-devel <kvm@vger.kernel.org>
Subject: Re: RHEL5.5, 32-bit VM repeatedly locks up due to kvmclock
Date: Fri, 23 Apr 2010 17:21:11 -0600 [thread overview]
Message-ID: <4BD22B67.6030800@cisco.com> (raw)
In-Reply-To: <20100423222135.GB18563@c3sl.ufpr.br>
On 04/23/2010 04:21 PM, BRUNO CESAR RIBAS wrote:
>
> Could you try hpet? I had similar problem with multicore and multiCPU (per
> mother board) [even with constant_tsc].
>
> Since I changed the guest to hpet i had no more problems.
It's stable in the sense of no lockups yet, but is a much slower time
source from a gettimeofday perspective compared to tsc and jiffies
(based on speed jiffies appears to be tsc-based).
David
>
>>
>> David
>>
>>>
>>> Zach
>> --
>> To unsubscribe from this list: send the line "unsubscribe kvm" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2010-04-23 23:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-23 17:08 RHEL5.5, 32-bit VM repeatedly locks up due to kvmclock David S. Ahern
2010-04-23 20:39 ` Brian Jackson
2010-04-23 21:39 ` Zachary Amsden
2010-04-23 21:42 ` David S. Ahern
2010-04-23 22:21 ` BRUNO CESAR RIBAS
2010-04-23 23:21 ` David S. Ahern [this message]
2010-04-24 18:40 ` Avi Kivity
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