[pups] Can't get a second DZQ11 to configure?!

Robert Armstrong bob at jfcl.com
Tue Nov 1 05:32:01 AEST 2005


  /etc/dtab ...  Yes, that does fix the problem!

  Thanks very, very much ...

Bob


> -----Original Message-----
> From: Robin Birch [mailto:robinb at ruffnready.co.uk] 
> Sent: Monday, October 31, 2005 11:01 AM
> To: bob at jfcl.com
> Cc: pups at minnie.tuhs.org
> Subject: Re: [pups] Can't get a second DZQ11 to configure?!
> 
> 
> If it is what I think it is then you will need to add the device to 
> /etc/devtab (I think that's the file).  2.11 doesn't just 
> detect what's 
> there.  The kernel build puts the drivers in place but it's 
> devtab that 
> switches them on.
> 
> Cheers
> 
> Robin
> 
> In message <002601c5de38$dbe5ea20$0401a8c0 at jfcl.com>, Robert 
> Armstrong 
> <bob at jfcl.com> writes
> >Hi Guys,
> >
> >  I've got a 11/73 with 2.11BSD.  The hardware configuration 
> is pretty 
> >typical - RQDX3, DEQNA, TK50, and one DZQ11.  Everything 
> runs fine, but 
> >now I need to install a second DZQ.  The first DZQ has csr 
> 160100 and 
> >vector 300, so according to my calculations the second should be at 
> >160110 and vector 310.  I set the switches, install the 
> card, and then 
> >edit my system configuration to change NDZ to be 2, rebuild 
> the kernel, 
> >reboot, and, .... Disappointment!
> >
> >  When it gets up to init, it says:
> >
> >       init: configure system
> >       dz 0 csr 160100 vector 300 attached
> >       ra 0 .... 172150 .... 154
> >       tms 0 .... 174500 ... 260
> >       ... etc ...
> >
> >nothing about the second DZQ.  Everything else still works, 
> including 
> >the original DZQ11, and it boots up just fine except that there's no 
> >sign of the second DZQ11.
> >
> >  I figured I made a mistake building the kernel, so I 
> double check my 
> >kernel configuration and yes, the file dz.h contains 
> "#define NDZ 2".  
> >Just to be safe I delete all the objects from my machine's 
> >configuration directory and rebuild the entire kernel from sources 
> >(takes a couple of hours on a 11/73!).  Still no joy - init 
> only finds 
> >one DZ...  And I'm sure I'm booting the new kernel because of the 
> >timestamp it prints out when you boot it.
> >
> >  At this point I figured it's a hardware problem.  Just to 
> be sure, I 
> >pulled out both DZQs and swapped the switch settings on the 
> two cards.  
> >This makes the original DZQ card now the "second" one at 
> 160110/310 and 
> >the new card the "first" DZQ at 160100/300.  Put it all back 
> together 
> >and boot it up again - same results!  Init finds the first 
> DZ but not 
> >the second! Moreover, all the serial ports on the back that are now 
> >connected to dz0 (which is the card that used to be the second dz) 
> >still work!  Of course, the ports on dz 1 (which is the card 
> that used 
> >to work) are now dead.  It seems like the two DZQ11 cards must be OK.
> >
> >  Oh, and BTW, I even used the 11/73's console ODT to verify 
> that all 
> >addresses from 17760100 to 17760117 respond.
> >
> >  The only explanation I'm left with is a configuration problem.  Is 
> >there something I don't know about rebuilding the 2.11bsd 
> kernel?  Is 
> >160110/310 the wrong location for the second DZQ11?
> >
> >  Thanks much, any suggestions are appreciated.
> >
> >Bob Armstrong
> >
> >
> >_______________________________________________
> >PUPS mailing list
> >PUPS at minnie.tuhs.org http://minnie.tuhs.org/mailman/listinfo/pups
> >
> 
> -- 
> Robin Birch
> 
> 





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