Date: Fri, 16 Nov 2001 15:39:58 -0500 From: Sandeep Joshi <sandeepj@research.bell-labs.com> To: hackers@freebsd.org Subject: Re: Tracking down "BTX halted" Message-ID: <3BF5799E.1DBCB8A0@research.bell-labs.com> References: <200111161832.fAGIWFo01305@mass.dis.org>
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[-- Attachment #1 --]
Mike,
Mike Smith wrote:
> The only real solution is to hot-plug
> the disks, camcontrol rescan, then dd zeroes over the heads of the disks
> and then re-lable them safely.
Yep, that method works for now.
I was hoping its easy enough to crack this myself (with some online
tips & references) but John Baldwin convinced me otherwise :-)
So here's the entire configuration attached..
SUMMARY:
The boot disk (ad0 in attachment) is not the problem.
There are two other IBM SCSI disks attached to two Adaptec cards.
Its these other two SCSI disks-da0,da1 which are empty and
whose disklabels I played with. These cause a BTX error if
they are plugged in during a boot.
TIA,
-Sandeep
[-- Attachment #2 --]
-----------------------------------------------------------
Error message when the SCSI disk is attached to
the AIC-7896 SCSI BIOS v2.20s1B1
int=00000000 err=00000000 efl=00030246 eip=00001d29
eax=00000000 ebx=00000386 ecx=00000000 edx=00000000
esi=00009e3e edi=00001c09 ebp=0000038e esp=00000382
cs=c800 ds=0040 ed=9e3e fs=0000 gs=0000 ss=9e3e
cs:eip=f7 f1 33 d2 8a 4e f6 f7-f1 3d ff 03 76 03 b8 ff
ss:esp=00 00 3f 00 00 00 00 00-00 00 02 00 22 0a 00 c8
-----------------------------------------------------------
Error message when the SCSI disk is attached to
the AHA2940U2W SCSI BIOS v2.20 :
int=00000000 err=00000000 efl=00030246 eip=00001d29
eax=00000000 ebx=0000038e ecx=00000000 edx=00000000
esi=00009e3e edi=00001a3e ebp=00000396 esp=0000038a
cs=cd80 ds=0040 ed=9e3e fs=0000 gs=0000 ss=9e3e
cs:eip=f7 f1 33 d2 8a 4e f6 f7-f1 3d ff 03 76 03 b8 ff
ss:esp=00 00 3f 00 00 00 00 00-00 00 02 00 df 09 80 cd
-----------------------------------------------------------
Dmesg:
Copyright (c) 1992-2001 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.4-RELEASE #2: Mon Nov 12 13:12:46 EST 2001
root@nstg7.research.bell-labs.com:/usr/src/sys/compile/NSTG7.SMP
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (696.41-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x681 Stepping = 1
Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
real memory = 805240832 (786368K bytes)
avail memory = 778305536 (760064K bytes)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 1, version: 0x00040011, at 0xfee00000
cpu1 (AP): apic id: 0, version: 0x00040011, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
Preloaded elf kernel "kernel" at 0xc0535000.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 12 entries at 0xc00fdf00
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443GX host to PCI bridge> on motherboard
IOAPIC #0 intpin 19 -> irq 2
IOAPIC #0 intpin 21 -> irq 5
IOAPIC #0 intpin 16 -> irq 9
pci0: <PCI bus> on pcib0
pcib2: <Intel 82443GX (440 GX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib2
pcib3: <PCI to PCI bridge (vendor=1011 device=0023)> at device 15.0 on pci1
IOAPIC #0 intpin 20 -> irq 10
pci2: <PCI bus> on pcib3
pci2: <unknown card> (vendor=0x12ae, dev=0x0001) at 4.0 irq 10
ahc0: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x2000-0x20ff mem 0xf4100000-0xf4100fff irq 2 at device 12.0 on pci0
aic7896/97: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs
ahc1: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x2400-0x24ff mem 0xf4101000-0xf4101fff irq 2 at device 12.1 on pci0
aic7896/97: Ultra2 Wide Channel B, SCSI Id=4, 32/255 SCBs
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0x2c00-0x2c3f mem 0xf4000000-0xf40fffff,0xf4102000-0xf4102fff irq 5 at device 14.0 on pci0
fxp0: Ethernet address 00:90:27:e0:18:5d
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ahc2: <Adaptec 2940 Ultra2 SCSI adapter> port 0x2800-0x28ff mem 0xf4103000-0xf4103fff irq 9 at device 16.0 on pci0
aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs
isab0: <Intel 82371AB PCI to ISA bridge> at device 18.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0x2c60-0x2c6f at device 18.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0x2c40-0x2c5f irq 5 at device 18.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
Timecounter "PIIX" frequency 3579545 Hz
chip1: <Intel 82371AB Power management controller> port 0x1040-0x104f at device 18.3 on pci0
pci0: <Cirrus Logic GD5480 SVGA controller> at 20.0
pcib1: <Intel 82443GX host to AGP bridge> on motherboard
pci3: <PCI bus> on pcib1
orm0: <Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xccfff,0xcd000-0xcd7ff,0xcd800-0xcdfff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model IntelliMouse, device ID 3
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: routing 8254 via IOAPIC #0 intpin 2
DUMMYNET initialized (010124)
IP packet filtering initialized, divert disabled, rule-based forwarding disabled, default to accept, logging disabled
SMP: AP CPU #1 Launched!
ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad0: 9732MB <SAMSUNG SV1022D> [19773/16/63] at ata0-master UDMA33
acd0: CDROM <TOSHIBA CD-ROM XM-6702B> at ata0-slave using PIO4
Waiting 15 seconds for SCSI devices to settle
Mounting root from ufs:/dev/ad0s1a
ti0: <Alteon AceNIC 1000baseSX Gigabit Ethernet> mem 0xf4200000-0xf4203fff irq 10 at device 4.0 on pci2
ti0: Ethernet address: 00:60:cf:20:3b:6c
ti0: gigabit link up
da1 at ahc2 bus 0 target 0 lun 0
da1: <IBM DMVS 0250> Fixed Direct Access SCSI-3 device
da1: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da1: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM DMVS 02B0> Fixed Direct Access SCSI-3 device
da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da0: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
-----------------------------------------------------------
# /dev/da0c:
type: SCSI
disk: IBM
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 2231
sectors/unit: 35843670
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 35843670 0 unused 0 0 # (Cyl. 0 - 2231*)
-----------------------------------------------------------
# /dev/da1c:
type: SCSI
disk: IBM
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 2231
sectors/unit: 35843670
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 35843670 0 unused 0 0 # (Cyl. 0 - 2231*)
-----------------------------------------------------------
This is the boot disk.
# /dev/ad0c:
type: ESDI
disk: ad0s1
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 19772
sectors/unit: 19931121
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 204800 0 4.2BSD 1024 8192 16 # (Cyl. 0 - 203*)
b: 3153168 204800 swap # (Cyl. 203*- 3331*)
c: 19931121 0 unused 0 0 # (Cyl. 0 - 19772*)
e: 40960 3357968 4.2BSD 1024 8192 16 # (Cyl. 3331*- 3371*)
f: 16532193 3398928 4.2BSD 1024 8192 16 # (Cyl. 3371*- 19772*)
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