[pups] Can't get a second DZQ11 to configure?!
bqt at Update.UU.SE
Tue Nov 1 05:23:40 AEST 2005
On Mon, 31 Oct 2005, Robert Armstrong wrote:
Hmm. As far as I know, BSD don't do automatic detection, so you have to
tell the CSR of all devices. Have you told the config where to find the
> 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, ....
> 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
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