[Simh] Not Responding to Console on Raspberry Pi

[Matt]

I've seen this same problem when running the 780 simulator on other
platforms. If you wait about a minutes after the boot has finished the
console usually starts responding again and is fine thereafter. Does the
console recover on the Raspberry Pi? I've not looked into what causes
this so far.

Matt

On 14/09/2012 20:42, Rob Jarratt wrote:
> Not Responding to Console on Raspberry Pi
>
> I built SIMH on the Raspberry Pi (Debian) and have been running it
> fairly successfully. Recently though it has stopped responding to the
> console, for no reason I can determine. After it has booted VMS (this
> is the VAX 780 emulation) I press enter to get the login prompt and
> nothing happens. If I press CTRL-E it halts the emulation, but fails
> to respond to any further key presses at the sim> prompt. If I change
> the console to be telnet then I can use telnet to log in to the
> machine etc, perfectly normally. This is really puzzling, has anyone
> ever seen something like this?
>
> Regards
>
> Rob
>
> PS Just in case you want to see the ini file, here it is. Note that if
> refers also to two features I have added (DMC11 emulation, and
> difference files):
>
> ;
>
> ; This virtual machine has 64M memory
>
> set cpu 64m
>
> set cpu idle=vms
>
> set rq0 ra92
>
> set rq3 cdrom
>
> ;
>
> attach rq0 /vax780/d0_780_VMS_5.4.dsk
>
> set rl disable
>
> set ts enable
>
> set dz disable
>
> ; Attach Ethernet to a network interface
>
> set xu enable
>
> set xu mac=08-00-2B-AA-BB-CD
>
> attach xu eth0
>
> set console debug=stdout
>
> set dma enable
>
> set dma transmit=simh.dyndns.org:7801
>
> set dma linemode=primary
>
> set dma debug=warn
>
> set dmb disable
>
> diff attach rq0 /vax780/d0_780_VMS_5.4-Ulli.diff 512
>
> boot rq0
>
>
>
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