[Info-vax] SimH with framebuffer and hobbyist kit?

[Chris Scheers]

Vertis Sidus wrote:
> On 2013-04-02, Steven Schweda <sms.antinode at gmail.com> wrote:
>>> I'd like to use DECwindows in an emulated framebuffer, [...]
>>    Why?  Why not run an X server somewhere else, and let the
>> emulated VAX talk to that?  I know nothing, but I'd guess
>> that that's what most VAX emulator users would do.
> 
> I've tried that. It's actually harder to do than it sounds,
> for a few reasons.
> 
> First, it seems like pretty much every emulator uses libpcap
> for the ethernet device, meaning it can't communicate directly
> with the host. There are a few ways around that, like (for
> example) running the emulator inside a VM.

If libpcap is having problems talking to the host, check to see if TOE 
(TCP Offload Engine) is enabled on the physical Ethernet card.  If it 
is, try disabling it.  That can make a difference.

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Chris Scheers, Applied Synergy, Inc.

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