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Date:      Fri, 13 Oct 1995 16:40:23 -0400 (EDT)
From:      User Jim <jim@baan.com>
To:        questions@freebsd.org
Cc:        jim@ftp.baan.com
Subject:   Multiple Buslogic BT946C controller problems
Message-ID:  <199510132040.QAA17398@ftp.baan.com>

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I am trying to upgrade my companies FreeBSD 2.0.5 release box by adding a second Buslogic BT946C PCI SCSI controller.  Everything seems fine after reconfiguring the kernel, and during the boot process both controllers are found as well as
well as all of the attached devices.  The problem occurs whenever I try to 
disklabel one of the drives on the second controller.  The machine just freezes.No kernel panic or other error message, it just decides to stop right there. 
Attached is a copy of the kernel config file and the output of dmesg.  
Additionally, the motherboard is a Micronics P66 PCI/EISA and has an
ATI Ultra Pro PCI video card.  Is there some trick to getting two controllers
to coexist ? Any insight would be appreciated.

-Jim Johncox

FreeBSD 2.0.5-RELEASE #0: Tue Sep 19 03:07:39 EDT 1995
    root@micron:/usr/src/sys/compile/micron
CPU: 66-MHz Pentium 567\\66 (Pentium-class CPU)
  Origin = "GenuineIntel"  Id = 0x515  Stepping=5
  Features=0x1bf<FPU,VME,PSE,MCE,CX8,APIC>
real memory  = 49938432 (12192 pages)
avail memory = 46977024 (11469 pages)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 at 0x280-0x29f irq 5 maddr 0xd8000 msize 8192 on isa
ed0: address 00:00:c0:50:f7:a9, type SMC8416C/SMC8416BT (16 bit) 
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
bt0: Bt946C/ 0-PCI/EISA/VLB(32bit) bus
bt0: reading board settings, busmastering, int=11
bt0: version 4.22, sync, parity, 32 mbxs, 32 ccbs
bt0: targ 0 sync rate=10.00MB/s(100ns), offset=15
bt0: targ 3 sync rate= 5.00MB/s(200ns), offset=08
bt0: targ 4 sync rate= 5.00MB/s(200ns), offset=08
bt0: targ 6 async
bt0: Enabling Round robin scheme
bt0 at 0x330 irq 11 on isa
bt0 waiting for scsi devices to settle
(bt0:0:0): "CONNER CFA540S 12B0" type 0 fixed SCSI 2
sd0(bt0:0:0): Direct-Access 515MB (1056708 512 byte sectors)
(bt0:3:0): "HP HP35470A 1109" type 1 removable SCSI 2
st0(bt0:3:0): Sequential-Access density code 0x13,  drive empty
(bt0:4:0): "HP HP35470A 1109" type 1 removable SCSI 2
st1(bt0:4:0): Sequential-Access density code 0x13,  drive empty
(bt0:6:0): "PLEXTOR CD-ROM DM-XX28 3.08" type 5 removable SCSI 2
cd0(bt0:6:0): CD-ROM cd present.[264427 x 2048 byte records]
bt1: Bt946C/ 0-PCI/EISA/VLB(32bit) bus
bt1: reading board settings, busmastering, int=15
bt1: version 4.25J, async only, parity, 32 mbxs, 32 ccbs
bt1: targ 0 async
bt1: targ 1 async
bt1: targ 4 async
bt1: targ 5 async
bt1: targ 6 async
bt1: Enabling Round robin scheme
bt1 at 0x334 irq 15 on isa
bt1 waiting for scsi devices to settle
(bt1:0:0): "CONNER CFP2107S  2.14GB 2B4B" type 0 fixed SCSI 2
sd1(bt1:0:0): Direct-Access 2048MB (4194304 512 byte sectors)
(bt1:1:0): "CONNER CFP2107S  2.14GB 2B4B" type 0 fixed SCSI 2
sd2(bt1:1:0): Direct-Access 2048MB (4194304 512 byte sectors)
(bt1:4:0): "MICROP 3243-19SC21020AV CN05" type 0 fixed SCSI 2
sd3(bt1:4:0): Direct-Access 4095MB (8388315 512 byte sectors)
(bt1:5:0): "MICROP 3243-19SC21020AV CN05" type 0 fixed SCSI 2
sd4(bt1:5:0): Direct-Access 4095MB (8388315 512 byte sectors)
(bt1:6:0): "CONNER CFP4207S  4.28GB 2847" type 0 fixed SCSI 2
sd5(bt1:6:0): Direct-Access 4096MB (8388608 512 byte sectors)
npx0 on motherboard
npx0: INT 16 interface
Probing for devices on the pci0 bus:
	configuration mode 2 allows 16 devices.
chip0 <Intel 82434LX PCI cache memory controller> rev 3 on pci0:0
chip1 <Intel 82375EB PCI-EISA bridge> rev 3 on pci0:2
vga0 <VGA-compatible display device> rev 2 int a irq 255 on pci0:11
pci0:13: vendor=0xffff, device=0x140, class=storage [not supported]
	map(10): io(330)
pci0:15: vendor=0xffff, device=0x140, class=storage [not supported]
	map(10): io(334)
pci0: uses 4194304 bytes of memory from 80000000 upto 803fffff.
changing root device to sd0a

---------------------------------------------------------------------------

machine		"i386"
cpu		"I586_CPU"
ident		micron
maxusers	48

options		INET			#InterNETworking
options		FFS			#Berkeley Fast Filesystem
options		NFS			#Network Filesystem
options		MSDOSFS			#MSDOS Filesystem
options		"CD9660"		#ISO 9660 Filesystem
options		PROCFS			#Process filesystem
options		"COMPAT_43"		#Compatible with BSD 4.3
options		"SCSI_DELAY=15"		#Be pessimistic about Joe SCSI device
options		BOUNCE_BUFFERS		#include support for DMA bounce buffers
options		UCONSOLE		#Allow users to grab the console
options		SYSVSHM
options		SYSVMSG
options		SYSVSEM

config		kernel	root on wd0 

controller	isa0
controller	pci0

controller	fdc0	at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk		fd0	at fdc0 drive 0

controller	bt0	at isa? port "IO_BT0" bio irq ? vector btintr
controller	bt1	at isa? port "IO_BT1" bio irq ? vector btintr

controller	scbus0

device		sd0
device		sd1
device		sd2
device		sd3
device		sd4
device		sd5

device		st0
device		st1
device		st2

device		cd0	#Only need one of these, the code dynamically grows

device		sc0	at isa? port "IO_KBD" tty irq 1 vector scintr
device		npx0	at isa? port "IO_NPX" irq 13 vector npxintr

device		sio0	at isa? port "IO_COM1" tty irq 4 vector siointr
device		sio1	at isa? port "IO_COM2" tty irq 3 vector siointr

device		lpt0	at isa? port? tty irq 7 vector lptintr

device ed0 at isa? port 0x280 net irq  5 iomem 0xd8000 vector edintr

pseudo-device	loop
pseudo-device	ether
pseudo-device	log
pseudo-device	tun	1
pseudo-device	pty	16



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