Boot crashes if disks are on SCSI channel 2/B
Bus 00 Slot 17/0: Adaptec AIC-7899
pka0.7.0.17.0 SCSI Bus ID 7
Bus 00 Slot 17/1: Adaptec AIC-7899
pkb0.7.0.117.0 SCSI Bus ID 7
dkb0.0.0.117.0 COMPAQ BD03695CC8
dkb200.2.0.117.0 COMPAQ BD03695CC8
NetBSD/alpha 11.0_RC2 FFSv2 Primary Bootstrap
Jumping to entry point...
NetBSD/alpha 11.0_RC2 Secondary Bootstrap, Revision 1.13 (Wed Mar 4 21:02:00
UTC 2026)
VMS PAL rev: 0x1005300010162
OSF PAL rev: 0x100490002015c
Switch to OSF PAL code succeeded.
Boot flags: A
13653808+304480 [664560+432946]=0xe5c3c8
Entering netbsd at 0xfffffc0000a014d0...
[ 1.0000000] consinit: not using prom console
[ 1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
[ 1.0000000] 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
[ 1.0000000] 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023,
[ 1.0000000] 2024, 2025, 2026
[ 1.0000000] The NetBSD Foundation, Inc. All rights reserved.
[ 1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[ 1.0000000] The Regents of the University of California. All rights
reserved.
[ 1.0000000] NetBSD 11.99.5 (GENERIC) #0: Fri Mar 13 19:41:02 UTC 2026
[ 1.0000000]
[email protected]:/usr/src/sys/arch/alpha/compile/GENERIC
[ 1.0000000] AlphaServer DS10 617 MHz, s/n AY44701962
[ 1.0000000] 8192 byte page size, 1 processor.
[ 1.0000000] total memory = 1024 MB
[ 1.0000000] (2912 KB reserved for PROM, 1021 MB used by NetBSD)
[ 1.0000000] avail memory = 992 MB
[ 1.0000000] mainbus0 (root)
[ 1.0000000] cpu0 at mainbus0: ID 0 (primary), 21264A-14 (EV67)
[ 1.0000000] cpu0: Architecture extensions: 0x307<PAT,MVI,CIX,FIX,BWX>
[ 1.0000000] tsc0 at mainbus0: 21272 Core Logic Chipset, Cchip rev 0
[ 1.0000000] tsc0: 2 Dchips, 1 memory bus of 16 bytes
[ 1.0000000] tsc0: arrays present: 1024MB (split), 0MB, 0MB, 0MB, Dchip 0 rev
1
[ 1.0000000] tsp0 at tsc0
[ 1.0000000] pci0 at tsp0 bus 0
[ 1.0000000] sio0 at pci0 dev 7 function 0: Acer Labs M1533 PCI-ISA Bridge
(rev. 0xc3)
[ 1.0000000] tlp0 at pci0 dev 9 function 0: DECchip 21143 Ethernet, pass 4.1
[ 1.0000000] tlp0: interrupting at dec 6600 irq 29
[ 1.0000000] tlp0: Ethernet address 00:0f:20:d7:5e:23
[ 1.0000000] tlp0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
[ 1.0000000] tlp1 at pci0 dev 11 function 0: DECchip 21143 Ethernet, pass 4.1
[ 1.0000000] tlp1: interrupting at dec 6600 irq 30
[ 1.0000000] tlp1: Ethernet address 00:0f:20:d7:5e:22
[ 1.0000000] tlp1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
[ 1.0000000] aceride0 at pci0 dev 13 function 0: Acer Labs M5229 UDMA IDE
Controller (rev. 0xc1)
[ 1.0000000] aceride0: primary channel interrupting at isa irq 14
[ 1.0000000] atabus0 at aceride0 channel 0
[ 1.0000000] aceride0: secondary channel interrupting at isa irq 15
[ 1.0000000] atabus1 at aceride0 channel 1
[ 1.0000000] bge0 at pci0 dev 15 function 0: Broadcom BCM5703 Gigabit Ethernet
[ 1.0000000] bge0: interrupting at dec 6600 irq 39
[ 1.0000000] bge0: HW config 00010055, 00000015, 00000000, 00000000 00000000
[ 1.0000000] bge0: ASIC BCM5702/5703 B0 (0x1100), Ethernet address
00:11:0a:86:17:1f
[ 1.0000000] brgphy0 at bge0 phy 1: BCM5703 1000BASE-T media interface, rev. 3
[ 1.0000000] brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseT, 1000baseT-FDX, auto
[ 1.0000000] ahc0 at pci0 dev 17 function 0: Adaptec 3960D Ultra160 SCSI
adapter
[ 1.0000000] ahc0: interrupting at dec 6600 irq 47
[ 1.0000000] ahc0: aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
[ 1.0000000] scsibus0 at ahc0: 16 targets, 8 luns per target
[ 1.0000000] ahc1 at pci0 dev 17 function 1: Adaptec 3960D Ultra160 SCSI
adapter
[ 1.0000000] ahc1: interrupting at dec 6600 irq 46
[ 1.0000000] ahc1: aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
[ 1.0000000] scsibus1 at ahc1: 16 targets, 8 luns per target
[ 1.0000000] isa0 at sio0
[ 1.0000000] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, 16-byte FIFO
[ 1.0000000] com0: console
[ 1.0000000] com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, 16-byte FIFO
[ 1.0000000] lpt0 at isa0 port 0x3bc-0x3bf irq 7
[ 1.0000000] pckbc0 at isa0 port 0x60-0x64
[ 1.0000000] attimer0 at isa0 port 0x40-0x43
[ 1.0000000] pcppi0 at isa0 port 0x61
[ 1.0000000] spkr0 at pcppi0: PC Speaker
[ 1.0000000] wsbell at spkr0 not configured
[ 1.0000000] midi0 at pcppi0: PC speaker
[ 1.0000000] isabeep0 at pcppi0
[ 1.0000000] fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
[ 1.0000000] mcclock0 at isa0 port 0x70-0x71: mc146818 compatible time-of-day
clock
[ 1.0000000] attimer0: attached to pcppi0
[ 1.0000000] tsciic0 at tsc0
[ 1.0000000] iic0 at tsciic0: I2C bus
[ 1.0000000] WARNING: system needs entropy for security; see entropy(7)
[ 1.1407247] stray isa irq 15
[ 1.1733426] scsibus0: waiting 2 seconds for devices to settle...
[ 1.2451046] scsibus1: waiting 2 seconds for devices to settle...
[ 1.3174839] atapibus0 at atabus1: 2 targets
[ 1.3667848] stray isa irq 15
[ 1.4190485] cd0 at atapibus0 drive 0: <HL-DT-ST CD-ROM GCR-8482B, , 2.09>
cdrom removable
[ 3.7393201] fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
[ 11.2421531] CPU 0: fatal kernel trap:
[ 11.2887370] CPU 0 trap entry = 0x2 (memory management fault)
[ 11.3594583] CPU 0 a0 = 0x58
[ 11.4041782] CPU 0 a1 = 0x1
[ 11.4478587] CPU 0 a2 = 0x0
[ 11.4915387] CPU 0 pc = 0xfffffc0000a74384
[ 11.5508188] CPU 0 ra = 0xfffffc0000ad82e4
[ 11.6101007] CPU 0 pv = 0xfffffc0000a74360
[ 11.6693809] CPU 0 curlwp = 0xfffffc003fe0e040
[ 11.7286612] CPU 0 pid = 0, comm = system
[ 11.7848237] panic: trap
[ 11.8139453] cpu0: Begin traceback...
[ 11.8565848] at 0xfffffc0000395968 pc 0xfffffc0001160c1c
[ 11.9208552] vpanic() at netbsd:vpanic+0x14c
[ 11.9706600] printf() at netbsd:printf_nolog+0xd0
[ 12.0247561] --- root of call graph ---
[ 12.0694762] cpu0: End traceback...
Stopped in pid 0.2 (system) at netbsd:cpu_Debugger+0x4: ret zero,(ra
)
db{0}>
On a successfull boot (Disks on SCSI channel 1/A)
Bus 00 Slot 17/0: Adaptec AIC-7899
pka0.7.0.17.0 SCSI Bus ID 7
dka0.0.0.17.0 COMPAQ BD03695CC8
dka200.2.0.17.0 COMPAQ BD03695CC8
Bus 00 Slot 17/1: Adaptec AIC-7899
pkb0.7.0.117.0 SCSI Bus ID 7
[ 1.0000000] WARNING: system needs entropy for security; see entropy(7)
[ 1.1406258] stray isa irq 15
[ 1.1738852] scsibus0: waiting 2 seconds for devices to settle...
[ 1.2456481] scsibus1: waiting 2 seconds for devices to settle...
[ 1.3174068] atapibus0 at atabus1: 2 targets
[ 1.3673275] stray isa irq 15
[ 1.4199255] cd0 at atapibus0 drive 0: <HL-DT-ST CD-ROM GCR-8482B, , 2.09>
cdrom removable
[ 3.5009425] sd0 at scsibus0 target 0 lun 0: <COMPAQ, BD03695CC8, HPB6> disk
fixed
[ 3.5917619] sd0: 34732 MB, 48122 cyl, 2 head, 739 sec, 512 bytes/sect x
71132000 sectors
[ 3.6874650] sd0: sync (12.50ns offset 127), 16-bit (160.000MB/s) transfers,
tagged queueing
[ 4.0146064] fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
[ 4.3524930] sd1 at scsibus0 target 2 lun 0: <COMPAQ, BD03695CC8, HPB6> disk
fixed
[ 4.4413597] sd1: pack is stopped, restarting...
[ 11.8025847] sd1: 34732 MB, 48122 cyl, 2 head, 739 sec, 512 bytes/sect x
71132000 sectors
[ 11.8982864] sd1: sync (12.50ns offset 127), 16-bit (160.000MB/s) transfers,
tagged queueing
[ 25.8395004] swwdog0: software watchdog initialized
[ 25.9185963] root on sd0a dumps on sd0b
[ 25.9693755] root file system type: ffs
[ 26.0124291] kern.module.path=/stand/alpha/11.99.5/modules
[ 26.2828502] entropy: best effort
This isn't a serious issue as the card is mostly usable, but using channel 2/B
for internal disks would be preferable because 50-pin is in CH 1/A and that
would be more suitable for CD/DVD-ROM.
