Subject: Re: Qemu and 4.0?
To: Zachary Kline <Z_kline@hotmail.com>
From: Stephen Borrill <netbsd@precedence.co.uk>
List: netbsd-users
Date: 11/20/2007 19:31:16
On Tue, 20 Nov 2007, Zachary Kline wrote:
>>>    This is good news.  When I've ran 4.0 with -no-acppi, I still get poor
>>> networking performance.  In fact, ne2k and all other network devices seem
>>> to
>>> time out regularly.  I never noticed this in 3.1.  In fact, ne2's
>>> performance is so poor that the DHCP request goes unacknowledged...
>>>    I hope this won't be an issue in the real 4.0.  Any tips in the
>>> meantime
>>> to work around it?
>>
>> What networking options are you using? By default, qemu uses its own
>> user-mode stack and so DHCP is done by qemu itself.
>   Hi,
>    I use either -net tap, or -net user as you suggest.  Both give extremely
> poor performance with -no-acpi.  I don't quite understand why this is,
> myself.

Are you seeing a significant difference between -no-acpi and disable acpi 
from bootconf? I've been using the latter very heavily recently, but I've 
not seen much difference with -no-acpi.

-- 
Stephen