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From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Carsten Emde <Carsten.Emde-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [ANNOUNCE] kvm-17 release
Date: Sun, 25 Mar 2007 10:46:46 +0200	[thread overview]
Message-ID: <460636F6.5060606@qumranet.com> (raw)
In-Reply-To: <46048C34.4080300-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>

Carsten Emde wrote:
> Avi Kivity wrote:
>> Michael Riepe wrote:
>>> With respect to the Core Duo, this is the best release I've seen so 
>>> far:
> Unfortunately, kvm-17 was less successful here. FC6 did not boot any 
> longer after I upgraded from kvm-16 to kvm-17, so I was rather 
> surprised when I read the above message.
>
> This is the test system:
> CPU: Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz, Chipset: Intel 975X
>
> The exact problem was that FC6 stopped booting before under kvm-16 it 
> would display the line
> IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
>
> I then reverted to kvm-16 and repeated all upgrade changes until the 
> problem occurred. The culprit was found to be
>
> --- kvm_main-17.c    2007-03-24 02:09:00.000000000 +0100
> +++ kvm_main.c    2007-03-24 02:56:15.000000000 +0100
> @@ -1575,7 +1575,9 @@
>      if (kvm_run->mmio_completed) {
>          memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);
>          vcpu->mmio_read_completed = 1;
> +#ifdef THIS_PREVENTS_FC6_FROM_BOOTING
>          emulate_instruction(vcpu, kvm_run, vcpu->mmio_fault_cr2, 0);
> +#endif
>      }
>
>      vcpu->mmio_needed = 0;
>

I've already reverted this optimization.  I'd like to get it back, since 
it is sound, but I don't yet understand why it caused the regression.


-- 
error compiling committee.c: too many arguments to function


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  parent reply	other threads:[~2007-03-25  8:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-20 13:27 [ANNOUNCE] kvm-17 release Avi Kivity
     [not found] ` <45FFE14F.6020808-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-22 19:32   ` Michael Riepe
     [not found]     ` <4602D9D5.7060806-0QoEqw4nQxo@public.gmane.org>
2007-03-23  9:33       ` Avi Kivity
     [not found]         ` <46039EEA.4070504-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-24  2:25           ` Carsten Emde
     [not found]             ` <46048C34.4080300-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>
2007-03-24  3:29               ` Carsten Emde
     [not found]                 ` <46049B0C.40501-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>
2007-03-24 12:29                   ` Michael Riepe
     [not found]                     ` <460519A6.1020005-0QoEqw4nQxo@public.gmane.org>
2007-03-24 13:25                       ` Carsten Emde
2007-03-25  8:53                       ` Avi Kivity
2007-03-25  8:47                   ` Avi Kivity
2007-03-24 11:58               ` Michael Riepe
     [not found]                 ` <46051251.1020401-0QoEqw4nQxo@public.gmane.org>
2007-03-24 13:06                   ` Carsten Emde
2007-03-25  8:49                   ` Avi Kivity
2007-03-25  8:46               ` Avi Kivity [this message]
2007-03-23  9:43       ` Avi Kivity

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