VH not working in Ultrix 4.5

[hbent]

One of the recent changes seems to have broken VH (DHU mode) support in Ultrix 4.5.

ULTRIX V4.5 (Rev. 47) System #8: Thu Apr 14 22:20:36 EDT 2016
...
Warning: DHU device failed to exit self-test                         
dhu0 at uba0 csr 160440 didn't interrupt    

sim> show version
VAX 8600 simulator V4.0-0 Beta
    Simulator Framework Capabilities:
	    64b data
	    64b addresses
	    Ethernet Packet transports:PCAP:TAP:VDE:NAT:UDP
	    Idle/Throttling support is available
	    Virtual Hard Disk (VHD) support
	    RAW disk and CD/DVD ROM support
	    Asynchronous I/O support
	    Asynchronous Clock support
	    FrontPanel API Version 2
    Host Platform:
	    Compiler: GCC 7.0.0 20161125 (experimental)
	    Simulator Compiled as C arch: x64 (Release Build) on Dec 17 2016 at 09:25:34
	    Memory Access: Little Endian
	    Memory Pointer Size: 64 bits
	    Large File (>2GB) support
	    SDL Video support: No Video Support
	    PCRE RegEx support for EXPECT commands
	    OS clock resolution: 1ms
	    Time taken by msleep(1): 1ms
	    OS: Linux aelfric 4.9.0-gentoo #1 SMP Mon Dec 12 10:36:05 EST 2016 x86_64 Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz GenuineIntel GNU/Linux
        git commit id: 7dd1f0b8

sim> sh c
VAX 8600 simulator configuration

CPU	idle=ULTRIX, idle enabled, model=VAX 8600
    260MB, HALT to SIMH
TLB	2 units
  TLB0	8192W
  TLB1	8192W
ABUS
SBIA
UBA	nexus=3, address=20006000, autoconfiguration enabled
MBA0	disabled
MBA1	disabled
TODR
    12B, attached to vax8600.todr
TMR
TTI	4 units
  TTI0	8b
  TTI1	8b
  TTI2	8b
  TTI3	8b
TTO	4 units
  TTO0	8b
  TTO1	8b
  TTO2	8b
  TTO3	8b
CS
    5242KW, attached to consolerl, write enabled
TC	disabled
TDC	disabled
DZ	disabled
VH	address=2013E120-2013E12F*, vector=C0-C4*, lines=16
    attached to 4500, DHU mode, 0 current connections
CR	disabled
LPT	disabled
RP	disabled
RL	disabled
HK	disabled
RK	disabled
RQ	address=2013F468-2013F46B, vector=1FC*, UDA50, 4 units
  RQ0	1216MB, attached to ra90.dsk, write enabled
    RA90, autosize, SIMH format
  RQ1	2007MB, attached to ra73-1.dsk, write enabled
    RA73, autosize, SIMH format
  RQ2	2007MB, attached to ra73-2.dsk, write enabled
    RA73, autosize, SIMH format
  RQ3	681MB, not attached, read only
    RRD40, autosize, SIMH format
RQB	disabled
RQC	disabled
RQD	disabled
RY	disabled
TU	disabled
TS	address=2013F550-2013F553, vector=94
    not attached, write locked, SIMH format
    unlimited capacity
TQ	disabled
XU	address=2013F948-2013F94F, vector=50, MAC=08:00:2B:1C:45:99
    type=DEUNA, throttle=disabled
    attached to tap:tap1
XUB	disabled
DMC	disabled

[markpizz]

Can you provide a configuration file and a boot disk image?

[hbent]

Ultrix V4.3 was easier to pack up and has the exact same problem. Here's a configuration file and disk image with no root password. Kernel sources are included, /usr/sys/io/uba/dhu.c is the driver source.
https://www.dropbox.com/s/uhkdagay3h6lm2s/ultrix43.tar.xz?dl=0

[markpizz]

It should work now. While migrating timer changes from the VAX780 an improper argument was passed as the delay value when calling sim_clock_coschedule(). This typo appeared in both the VAX8600 and VAX750,

[markpizz]

Henry,

Can you test with the latest code and close this issue if Ultrix both boots AND you can actually connect to the system using the VH ports.

Thanks.

• Mark