7.0-BETA3 kernel panic when unplugging USB stick

Matthias Schmidt schmidtm at mathematik.uni-marburg.de
Tue Nov 27 07:14:24 PST 2007


* Attilio Rao wrote:
> This seems a race in the sim with the lock field (it switches just
> before to assert so that it get unconsistent when asserting).
> Something is unclear to me (sorry if I missed the information): you
> use SMP and PREEMPTION but I don't see any other core started in the
> dmesg, what kind of hw is this?

This box is a UP machine.  IIRC SMP and PREEMPTION are enabled by
default under 7.0-BETA?!

A dmesg is attached.  pciconf etc under:




--- snap ----

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FreeBSD 7.0-BETA3 #0: Sun Nov 25 14:11:30 CET 2007
root at node008.lab.ds:/usr/src/sys/i386/compile/NODE008
WARNING: WITNESS option enabled, expect reduced performance.
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
WITNESS: spin lock scrlock not in order list
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 1.80GHz (1794.56-MHz 686-class CPU)
Origin = "GenuineIntel"  Id = 0xf24  Stepping = 4
real memory  = 536608768 (511 MB)
avail memory = 510873600 (487 MB)
ACPI APIC Table: <D850MV MV85010A>
WITNESS: spin lock intrcnt not in order list
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: (AR5210, AR5211, AR5212, RF5111, RF5112,
		RF2413, RF5413)
acpi0: <D850MV MV85010A> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 1ff00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on
cpu0: <ACPI CPU> on acpi0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82850 host to AGP bridge> on hostb0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
vgapci0: <VGA-compatible display> mem
0xfd000000-0xfdffffff,0xe8000000-0xefffffff irq 16 at device 0.0
on pci1
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
fxp0: <Intel 82801BA/CAM (ICH2/3) Pro/100 Ethernet> port
0xdf00-0xdf3f mem 0xfeaff000-0xfeafffff irq 20 at device 8.0 on
miibus0: <MII bus> on fxp0
inphy0: <i82562ET 10/100 media interface> PHY 1 on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:03:47:ec:9e:e5
fxp0: [ITHREAD]
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH2 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 31.1
on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
0xef40-0xef5f irq 19 at device 31.2 on pci0
uhci0: [ITHREAD]
usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1>
on usb0
uhub0: 2 ports with 2 removable, self powered
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
0xef80-0xef9f irq 23 at device 31.4 on pci0
uhci1: [ITHREAD]
usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1>
on usb1
uhub1: 2 ports with 2 removable, self powered
pci0: <multimedia, audio> at device 31.5 (no driver attached)
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
fdc0: <floppy drive controller> port
0x3f0-0x3f1,0x3f2-0x3f3,0x3f4-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags
0x10 on acpi0
sio0: type 16550A
sio0: [FILTER]
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on
sio1: type 16550A
sio1: [FILTER]
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xcc000-0xccfff,0xcd000-0xcdfff
pnpid ORM0000 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem
0xa0000-0xbffff on isa0
uhub2: <vendor 0x0424 product 0x0140, class 9/0, rev 1.10/0.00,
addr 2> on uhub1
uhub2: 4 ports with 4 removable, self powered
Timecounter "TSC" frequency 1794559108 Hz quality 800
Timecounters tick every 1.000 msec
ad0: 58644MB <IC35L060AVVA07 0 VA3OA50K> at ata0-master UDMA100
acd0: DVDROM <TOSHIBA DVD-ROM SD-M1612/1004> at ata1-master
acd1: CDRW <SONY CD-RW CRX175A1/5YS2> at ata1-slave UDMA33
WARNING: WITNESS option enabled, expect reduced performance.
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
GEOM_LABEL: Label for provider ad0s1 is ntfs/C_SYSTEM.
Trying to mount root from ufs:/dev/ad0s2a

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