From: "Piotr Jaroszyński" <p.jaroszynski@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: kvm hardlocks on hp dv9010us
Date: Mon, 11 May 2009 13:37:53 +0200 [thread overview]
Message-ID: <d77765540905110437x667e9e2cod6b197b9ca68545c@mail.gmail.com> (raw)
In-Reply-To: <4A0809FE.7050801@redhat.com>
2009/5/11 Avi Kivity <avi@redhat.com>:
> Piotr Jaroszyński wrote:
>>
>> I have a hp dv9010us laptop (one of those that hard locked before
>> CONFIG_IO_DELAY_* options were introduced in kernel - not sure if it
>> may be related at all).
>>
>
> I skipped this bit, and it's crucial. kvm passes port 80 to go from guest
> to host as an optimization, and of course it kills your laptop. I'll fix
> this up.
>
> (nowadays it may be faster to emulate the port access in the kernel rather
> than pass it to the hardware, so this is likely to be a performance
> improvement as well).
>
> In the meantime, you can use the attached patch.
That was quick, thanks a lot! Seems to be working so far (~10 mins)
and before it was lucky to even get through boot, so I think that was
it.
--
Best Regards,
Piotr Jaroszyński
prev parent reply other threads:[~2009-05-11 11:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-10 19:20 kvm hardlocks on hp dv9010us Piotr Jaroszyński
2009-05-10 20:55 ` Piotr Jaroszyński
2009-05-11 9:26 ` Avi Kivity
2009-05-11 10:46 ` Piotr Jaroszyński
2009-05-11 10:57 ` Avi Kivity
2009-05-11 11:00 ` Piotr Jaroszyński
2009-05-11 11:20 ` Avi Kivity
2009-05-11 11:37 ` Piotr Jaroszyński [this message]
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