[pups] Can't get a second DZQ11 to configure?!
robinb at ruffnready.co.uk
Tue Nov 1 09:31:14 AEST 2005
In message <005801c5de51$c51a7590$0401a8c0 at jfcl.com>, Robert Armstrong
<bob at jfcl.com> writes
> /etc/dtab ... Yes, that does fix the problem!
That's the name - thought devtab wasn't right.
Glad it works now
> Thanks very, very much ...
>> -----Original Message-----
>> From: Robin Birch [mailto:robinb at ruffnready.co.uk]
>> Sent: Monday, October 31, 2005 11:01 AM
>> To: bob at jfcl.com
>> Cc: pups at minnie.tuhs.org
>> Subject: Re: [pups] Can't get a second DZQ11 to configure?!
>> If it is what I think it is then you will need to add the device to
>> /etc/devtab (I think that's the file). 2.11 doesn't just
>> detect what's
>> there. The kernel build puts the drivers in place but it's
>> devtab that
>> switches them on.
>> In message <002601c5de38$dbe5ea20$0401a8c0 at jfcl.com>, Robert
>> <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,
>> >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
>> >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
More information about the TUHS