usb/81524: panic: usb_cold_explore: busses to explore when !cold

Eugene Grosbein eugen at grosbein.pp.ru
Thu May 26 11:00:10 PDT 2005


>Number:         81524
>Category:       usb
>Synopsis:       panic: usb_cold_explore: busses to explore when !cold
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu May 26 18:00:09 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Eugene Grosbein
>Release:        FreeBSD 4.11-STABLE i386
>Organization:
Svyaz Service JSC
>Environment:
System: FreeBSD grosbein.pp.ru 4.11-STABLE FreeBSD 4.11-STABLE #2: Fri May 27 00:56:38 KRAST 2005 eu at grosbein.pp.ru:/usr/local/obj/usr/local/src/sys/DADV i386
	Iwill BD100+ i440BX-based motherboard with integrated
	Intel 82371AB/EB/MB PIIX4/4E/4M USB Interface

>Description:
	Recent 4.11-STABLE kernel panices at device probe stage
	if compiled with INVARIANS and INVARIANT_SUPPORT.
	Otherwise, it detects USB devices twice.

>How-To-Repeat:

	Take Iwill BD100+ motherboard and boot next kernel:

#for strings -n 3 /kernel | grep ^___ | sed -e 's/^___//' > MYKERNEL
options		INCLUDE_CONFIG_FILE

machine		i386
cpu		I686_CPU
options		CPU_ENABLE_SSE 		#enables SSE/MMX2 instructions support.
ident		DADV
maxusers	0

makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols

options		"CLK_USE_I8254_CALIBRATION"
options		CLK_USE_TSC_CALIBRATION

options 	INET			#InterNETworking
options 	FFS			#Berkeley Fast Filesystem
options 	FFS_ROOT		#FFS usable as root device [keep this!]
options 	MSDOSFS			#MSDOS Filesystem
options 	CD9660			#ISO 9660 Filesystem
options 	PROCFS			#Process filesystem
options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
options 	SCSI_DELAY=15000	#Delay (in ms) before probing SCSI
options 	UCONSOLE		#Allow users to grab the console
options 	USERCONFIG		#boot -c editor
options 	VISUAL_USERCONFIG	#visual boot -c editor
options 	KTRACE			#ktrace(1) support
options		CPU_SUSP_HLT
options		USER_LDT
options		PPP_BSDCOMP
options		PPP_DEFLATE
options		PPP_FILTER

options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores

options         SHMALL=4097
options         SHMMAXPGS=4097
options         SHMMAX=(SHMMAXPGS*PAGE_SIZE+1)
options         SEMMAP=255
options         SEMMNI=235
options         SEMMNS=255
options         SEMMNU=235
options         SEMMSL=255
options         SEMOPM=201
options         SEMUME=201
		    
options 	P1003_1B		#Posix P1003_1B real-time extensions
options 	_KPOSIX_PRIORITY_SCHEDULING
options		_KPOSIX_VERSION=199309L
options		ICMP_BANDLIM		#Rate limit bad replies

options		NSWAPDEV=4

device		isa
device		eisa
device		pci
options		AUTO_EOI_1

# Floppy drives
device		fdc0	at isa? port IO_FD1 irq 6 drq 2
device		fd0	at fdc0 drive 0

# ATA and ATAPI devices
device		ata
device		atadisk			# ATA disk drives
device		atapicd			# ATAPI CDROM drives
options 	ATA_STATIC_ID		#Static device numbering

device		atapicam
device		scbus
device		cd
device		da
device		pass

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc0	at isa? port IO_KBD
device		atkbd0	at atkbdc? irq 1

device		psm0	at atkbdc? irq 12

device		vga0	at isa?
options		VESA
options		VGA_WIDTH90

# splash screen/screen saver
pseudo-device	splash

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa?
options 	SC_DFLT_FONT		# compile font in
makeoptions	SC_DFLT_FONT=cp866

options		MAXCONS=24
options		SC_HISTORY_SIZE=1000
options		SC_MOUSE_CHAR=0x03
options		SC_PIXEL_MODE

# Floating point support - do not disable.
device		npx0	at nexus? port IO_NPX irq 13

# Power management support (see LINT for more options)
device		apm0    at nexus?	     # Advanced Power Management

# Serial (COM) ports
device		sio0	at isa? port IO_COM1 flags 0x90 irq 4
device		sio1	at isa? port IO_COM2 irq 3

device		miibus
device		fxp
device		rl
device		ep

# Parallel port
device		ppc0	at isa? irq 7
device		ppbus		# Parallel port bus (required)
device		lpt		# Printer
device		ppi		# Parallel port interface device

# Pseudo devices - the number indicates how many units to allocated.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	sl	2	# Kernel SLIP
pseudo-device	ppp	2	# Kernel PPP
pseudo-device	tun		# Packet tunnel.
pseudo-device	pty	16	# Pseudo-ttys (telnet etc)
pseudo-device	gif	4	# IPv6 and IPv4 tunneling
pseudo-device	faith	1	# IPv6-to-IPv4 relaying (translation)
pseudo-device	snp
pseudo-device	gzip		# Exec gzipped a.out's
pseudo-device	speaker

# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device	bpf		#Berkeley packet filter
options		MSGBUF_SIZE=40960

device pcm

options		IPFIREWALL
options		IPFIREWALL_VERBOSE
options		IPFW2
options		IPDIVERT

options		DUMMYNET
options		SOFTUPDATES

device		smbus
device		intpm
device		smb

options		DDB
options		DDB_UNATTENDED
options 	ALT_BREAK_TO_DEBUGGER

options		RANDOM_IP_ID

options		UFS_DIRHASH
options		PQ_CACHESIZE=128	# color for 128k/16k cache
options		SHOW_BUSYBUFS

device		uhci
device		usb
device		uscanner
device		ugen
device		uhid
device		ucom
device		umass
device		tap

options         IPSEC                   #IP security
options         IPSEC_ESP               #IP security (crypto; define w/ IPSEC)

options         INVARIANTS
options		INVARIANT_SUPPORT
options		USB_DEBUG

device		agp


	Here comes dmesg.boot:

Copyright (c) 1992-2005 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 4.11-STABLE #2: Fri May 27 00:56:38 KRAST 2005
    eu at grosbein.pp.ru:/usr/local/obj/usr/local/src/sys/DADV
Timecounter "i8254"  frequency 1193163 Hz
CPU: Intel Celeron (902.03-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x68a  Stepping = 10
  Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 603914240 (589760K bytes)
config> flags atkbd 0x0
config> quit
sio0: gdb debugging port
avail memory = 582279168 (568632K bytes)
Preloaded elf kernel "kernel" at 0xc042d000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc042d09c.
Preloaded elf module "splash_bmp.ko" at 0xc042d0ec.
Preloaded splash_image_data "/boot/saturn.bmp" at 0xc042d190.
VESA: v2.0, 65536k memory, flags:0x1, mode table:0xc0363462 (1000022)
VESA: ATI RADEON 9200
Pentium Pro MTRR support enabled
splash_bmp: No appropriate video mode found
module_register_init: MOD_LOAD (splash_bmp, c03dd77c, 0) error 19
Using $PIR table, 8 entries at 0xc00fdef0
apm0: <APM BIOS> on motherboard
apm0: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem 0xe8000000-0xebffffff at device 0.0 on pci0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <ATI model 5961 graphics accelerator> at 0.0 irq 11
pci1: <ATI model 5941 graphics accelerator> at 0.1
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xf000-0xf00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xd000-0xd01f irq 9 at device 7.2 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
intpm0: <Intel 82371AB Power management controller> port 0x5000-0x500f irq 9 at device 7.3 on pci0
intpm0: I/O mapped 5000
intpm0: intr IRQ 9 enabled revision 0
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped 4000 
fxp0: <Intel 82557 Pro/100 Ethernet> port 0xd400-0xd41f mem 0xf0000000-0xf00fffff,0xf0104000-0xf0104fff irq 9 at device 16.0 on pci0
fxp0: Ethernet address 00:a0:c9:89:95:1f
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
atapci1: <Promise TX2 ATA100 controller> port 0xe800-0xe80f,0xe400-0xe403,0xe000-0xe007,0xdc00-0xdc03,0xd800-0xd807 mem 0xf0100000-0xf0103fff irq 10 at device 18.0 on pci0
ata2: at 0xd800 on atapci1
ata3: at 0xe000 on atapci1
orm0: <Option ROMs> at iomem 0xc0000-0xccfff,0xd0000-0xd27ff on isa0
pmtimer0 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> irq 1 on atkbdc0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model NetMouse/NetScroll Optical, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA <24 virtual consoles, flags=0x200>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x90 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: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/16 bytes threshold
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
pcm0: <Yamaha OPL-SAx> at port 0x220-0x22f,0x530-0x537,0x388-0x38f,0x330-0x331,0x370-0x371 irq 5 drq 0,1 on isa0
DUMMYNET initialized (011031)
ipfw2 initialized, divert enabled, rule-based forwarding enabled, default to deny, logging unlimited
IPsec: Initialized Security Association Processing.
ad4: 76319MB <WDC WD800JB-00FMA0> [155061/16/63] at ata2-master UDMA100
ad6: 39266MB <IC35L040AVER07-0> [79779/16/63] at ata3-master tagged UDMA100
acd0: DVD-R <_NEC DVD_RW ND-3500AG> at ata0-master UDMA33
acd1: CD-RW <SONY CD-RW CRX140E> at ata1-master UDMA33
uhid0: American Power Conversion Back-UPS 500 FW: 6.5.I USB FW: c1, rev 1.10/1.00, addr 2
uhid0: American Power Conversion Back-UPS 500 FW: 6.5.I USB FW: c1, rev 1.10/1.00, addr 2, iclass 3/0
uscanner0: Hewlett-Packard HP ScanJet 2200C, rev 1.10/1.00, addr 3
uscanner0: Hewlett-Packard HP ScanJet 2200C, rev 1.10/1.00, addr 3
cd0 at ata0 bus 0 target 0 lun 0
cd0: <_NEC DVD_RW ND-3500AG 2.18> Removable CD-ROM SCSI-0 device 
cd0: 33.000MB/s transfers
cd0: cd present [332114 x 2048 byte records]
cd1 at ata1 bus 0 target 0 lun 0
cd1: <SONY CD-RW  CRX140E 1.0n> Removable CD-ROM SCSI-0 device 
cd1: 33.000MB/s transfers
cd1: cd present [357666 x 2048 byte records]
Mounting root from ufs:/dev/ad4s4a

	Here comes output of pciconf -lv:

agp0 at pci0:0:0:	class=0x060000 card=0x00000000 chip=0x71908086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82443BX/ZX 440BX/ZX CPU to PCI Bridge (AGP Implemented)'
    class    = bridge
    subclass = HOST-PCI
pcib1 at pci0:1:0:	class=0x060400 card=0x00000000 chip=0x71918086 rev=0x03 hdr=0x01
    vendor   = 'Intel Corporation'
    device   = '82443BX/ZX 440BX/ZX AGPset PCI-to-PCI bridge'
    class    = bridge
    subclass = PCI-PCI
isab0 at pci0:7:0:	class=0x060100 card=0x00000000 chip=0x71108086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82371AB/EB/MB PIIX4/4E/4M ISA Bridge'
    class    = bridge
    subclass = PCI-ISA
atapci0 at pci0:7:1:	class=0x010180 card=0x00000000 chip=0x71118086 rev=0x01 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82371AB/EB/MB PIIX4/4E/4M IDE Controller'
    class    = mass storage
    subclass = ATA
uhci0 at pci0:7:2:	class=0x0c0300 card=0x00000000 chip=0x71128086 rev=0x01 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82371AB/EB/MB PIIX4/4E/4M USB Interface'
    class    = serial bus
    subclass = USB
intpm0 at pci0:7:3:	class=0x068000 card=0x00000000 chip=0x71138086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82371AB/EB/MB PIIX4/4E/4M Power Management Controller'
    class    = bridge
    subclass = PCI-unknown
fxp0 at pci0:16:0:	class=0x020000 card=0x00018086 chip=0x12298086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82550/1/7/8/9 EtherExpress PRO/100(B) Ethernet Adapter'
    class    = network
    subclass = ethernet
atapci1 at pci0:18:0:	class=0x018085 card=0x4d68105a chip=0x4d68105a rev=0x02 hdr=0x00
    vendor   = 'Promise Technology Inc'
    device   = 'PDC20268 Ultra100 TX2 EIDE Controller'
    class    = mass storage
drm0 at pci1:0:0:	class=0x030000 card=0x7c13174b chip=0x59611002 rev=0x01 hdr=0x00
    vendor   = 'ATI Technologies Inc.'
    device   = '213rtizua43 ATI RADEON 9200'
    class    = display
    subclass = VGA
drm1 at pci1:0:1:	class=0x038000 card=0x7c12174b chip=0x59411002 rev=0x01 hdr=0x00
    vendor   = 'ATI Technologies Inc.'
    device   = 'RV280 ATI Radeon 9200 - Secondary'
    class    = display

>Fix:

	Unknown.

	The corresponding KASSERT in src/sys/dev/usb/usb.c,v1.26.2.12
	was introduced by julian after 4.11-RELEASE.
>Release-Note:
>Audit-Trail:
>Unformatted:


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