[Oberon] A2 on VirtualBox

Thomas Frey thomas.frey at alumni.ethz.ch
Thu Dec 20 10:44:42 CET 2012



Am 20.12.2012 10:06, schrieb Srinivas Nayak:
> Dear Aubrey,
> 
> Once I tried installing A2CD.iso on my virtualbox.
> It was so slow that I had to abandon that idea.
> 
> When Windows/Linux boots up so quickly on virtualbox, why not A2?
> Any special reason? I didn't find any answer either.
> 
I think this has to do with the mode the system is running in. A2 is
always in "kernel" mode, so virtual box is probably emulating the cpu in
software the whole time instead of using the real CPU for execution.

--Thomas

> With thanks and best regards,
> 
> Yours sincerely,
> Srinivas Nayak
> 
> Home: http://www.mathmeth.com/sn/
> Blog: http://srinivas-nayak.blogspot.in/
> 
> 
> Aubrey.McIntosh at Alumni.UTexas.Net wrote:
>> I have installed a version of A2 from an old iso image onto 
>> VirtualBox.  The file dates on this image are Feb 19, 2009.
>>
>> This image boots in the VirtualBox environment, and installs.  There 
>> is an ASSERT that fails in the AM79C970 NIC driver.  When I defeat 
>> that ASSERT, the IPv4 network operates.  The IPv6 network installs 
>> addresses, and other ipv6 machines on the same local link show the A2 
>> machine as a neighbor, so some correct packets are leaving the A2 box, 
>> but I don't make any progress beyond that point.  I am able to 
>> Ping.Ping the A2 box on itself by 2 different v6 addresses.
>>
>> test1f.link.vima.austin.tx.us <http://test1f.link.vima.austin.tx.us> 
>>  does respond (local address)
>> a2.vima.austin.tx.us <http://a2.vima.austin.tx.us>  does respond 
>> (global address)
>> localhost.vima.austin.tx.us <http://localhost.vima.austin.tx.us> 
>>  fails to respond (::1)
>>
>>
>> I thought a current version would be a nice thing to install before I 
>> investigated further.  I have downloaded the svn 4281 image from the 
>> Google mirror.  This image appears to be starting up, but the 
>> resulting screen is totally black.  I have not set up any monitoring 
>> on the serial port.
>>
>> I wonder if anyone has used the 4281 image in virtualBox.
>> I wonder if anyone has anything like a packet sniffer in A2 so that I 
>> can look a little deeper into the IPv6 situation.
>>
>>
>> -- 
>> Aubrey McIntosh, Ph.D.
>> 211 E. 5th St.
>> Morris MN 56267
>> (512)-348-7401
>>
>>
>>
>> --
>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems
>> https://lists.inf.ethz.ch/mailman/listinfo/oberon
> 
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