Re: [Qemu-devel] Windows slow boot: contractor wanted

[Avi Kivity]

On 08/22/2012 05:41 PM, Richard Davies wrote:
> Avi Kivity wrote:
>> Richard Davies wrote:
>> > I can trigger the slow boots without KSM and they have the same profile,
>> > with _raw_spin_lock_irqsave and isolate_freepages_block at the top.
>> >
>> > I reduced to 3x 20GB 8-core VMs on a 128GB host (rather than 3x 40GB 8-core
>> > VMs), and haven't managed to get a really slow boot yet (>5 minutes). I'll
>> > post agan when I get one.
>>
>> I think you can go higher than that.  But 120GB on a 128GB host is
>> pushing it.
> 
> I've now triggered a very slow boot at 3x 36GB 8-core VMs on a 128GB host
> (i.e. 108GB on a 128GB host).
> 
> It has the same profile with _raw_spin_lock_irqsave and
> isolate_freepages_block at the top.

Then it's still memory starved.

Please provide /proc/zoneinfo while this is happening.

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