Reboot problems on 750

[P Dourish]

On EUSIP, a VAX-11/750 running 4.2, we have a strange boot problem. It doesn't
do the machine any harm (I don't think it does, anyway) but it's annoying.
Whenever the VAX boots, it hangs between the autoconfiguration and the start
of the rc file. It will refuse to begin the rc file until someone types
Return on the console; once that happens, it goes happily on its way.
Here's a boot log:

>    %%
>    loading hp(0,0)boot
>    Boot
>    : hp(0,0)vmunix
>    170624+49728+40804 start 0xfa4
>    4.2 BSD UNIX #4: Wed Jul 9 10:25:40 WET 1986
>    real mem  = 8384512
>    avail mem = 7085056
>    using 183 buffers containing 838656 bytes of memory
>    mcr0 at tr0
>    mba0 at tr4
>    hp0 at mba0 drive 0
>    hp0: eagle
>    hp1 at mba0 drive 1
>    hp1: eagle
>    hp2 at mba0 drive 2
>    hp2: eagle
>    uba0 at tr8
>    zs0 at uba0 csr 172520 vec 224, ipl 15
>    ts0 at zs0 slave 0
>    dh0 at uba0 csr 160020 vec 300, ipl 15
>    dm0 at uba0 csr 170500 vec 310, ipl 14
>    de0 at uba0 csr 174510 vec 120, ipl 15
     ---===<<<((( HANGS HERE UNTIL "RETURN" )))>>>===---
>    Automatic reboot in progress...

I'd be grateful for any suggestions anyone can make as to why it's happening
and how we might be able to fix it.

Thanks.

Paul Dourish, Speech Input Project, University of Edinburgh

                   ARPA:  jpd%ed.eusip at ucl-cs.arpa
                   UUCP:  ...!seismo!mcvax!ukc!eusip!jpd
                   JANET: jpd at uk.ac.ed.eusip

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