>Number: 128093
>Category: usb
>Synopsis: panic in ohci_softintr: OXFER(xfer)->xfer.pipe == NULL
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-usb
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 14 13:50:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Eric van Gyzen
>Release: FreeBSD 7.0-RELEASE-p2 amd64
>Organization:
>Environment:
==== dmesg ====
Copyright (c) 1992-2008 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-RELEASE-p2 #1: Sat Jun 21 21:05:56 CDT 2008
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/EDDIE
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ (2310.66-MHz K8-class CPU)
Origin = "AuthenticAMD" Id = 0x60fb2 Stepping = 2
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x2001<SSE3,CX16>
AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
AMD Features2=0x11f<LAHF,CMP,SVM,ExtAPIC,CR8,Prefetch>
Cores per package: 2
usable memory = 2137505792 (2038 MB)
avail memory = 2062901248 (1967 MB)
ACPI APIC Table: <Nvidia ASUSACPI>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0: Changing APIC ID to 4
ioapic0 <Version 1.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <Nvidia ASUSACPI> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7fde0000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfefff000-0xfefff3ff on acpi0
Timecounter "HPET" frequency 25000000 Hz quality 900
cpu0: <ACPI CPU> on acpi0
powernow0: <PowerNow! K8> on cpu0
device_attach: powernow0 attach returned 6
cpu1: <ACPI CPU> on acpi0
powernow1: <PowerNow! K8> on cpu1
device_attach: powernow1 attach returned 6
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <memory, RAM> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
ohci0: <OHCI (generic) USB controller> mem 0xfe02f000-0xfe02ffff at device 2.0
on pci0
ohci0: [GIANT-LOCKED]
ohci0: [ITHREAD]
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: <nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 10 ports with 10 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe02e000-0xfe02e0ff at device
2.1 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb1: EHCI version 1.0
usb1: companion controller, 10 ports each: usb0
usb1: <EHCI (generic) USB 2.0 controller> on ehci0
usb1: USB revision 2.0
uhub1: <nVidia EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb1
uhub1: 10 ports with 10 removable, self powered
umass0: <Seagate FreeAgentDesktop, class 0/0, rev 2.00/0.00, addr 2> on uhub1
atapci0: <nVidia nForce MCP55 UDMA133 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 4.0 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
atapci1: <nVidia nForce MCP55 SATA300 controller> port
0x9f0-0x9f7,0xbf0-0xbf3,0x970-0x977,0xb70-0xb73,0xdc00-0xdc0f mem
0xfe02d000-0xfe02dfff irq 20 at device 5.0 on pci0
atapci1: [ITHREAD]
ata2: <ATA channel 0> on atapci1
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci1
ata3: [ITHREAD]
atapci2: <nVidia nForce MCP55 SATA300 controller> port
0x9e0-0x9e7,0xbe0-0xbe3,0x960-0x967,0xb60-0xb63,0xc800-0xc80f mem
0xfe02c000-0xfe02cfff irq 21 at device 5.1 on pci0
atapci2: [ITHREAD]
ata4: <ATA channel 0> on atapci2
ata4: [ITHREAD]
ata5: <ATA channel 1> on atapci2
ata5: [ITHREAD]
atapci3: <nVidia nForce MCP55 SATA300 controller> port
0xc400-0xc407,0xc000-0xc003,0xbc00-0xbc07,0xb800-0xb803,0xb400-0xb40f mem
0xfe02b000-0xfe02bfff irq 22 at device 5.2 on pci0
atapci3: [ITHREAD]
ata6: <ATA channel 0> on atapci3
ata6: [ITHREAD]
ata7: <ATA channel 1> on atapci3
ata7: [ITHREAD]
pcib1: <ACPI PCI-PCI bridge> at device 6.0 on pci0
pci1: <ACPI PCI bus> on pcib1
ath0: <Atheros 5212> mem 0xfdef0000-0xfdefffff irq 17 at device 7.0 on pci1
ath0: [ITHREAD]
ath0: using obsoleted if_watchdog interface
ath0: Ethernet address: 00:11:95:91:32:f4
ath0: mac 7.9 phy 4.5 radio 5.6
pcm0: <NVidia MCP55 High Definition Audio Controller> mem 0xfe024000-0xfe027fff
irq 23 at device 6.1 on pci0
pcm0: [ITHREAD]
nfe0: <NVIDIA nForce MCP55 Networking Adapter> port 0xb000-0xb007 mem
0xfe02a000-0xfe02afff,0xfe029000-0xfe0290ff,0xfe028000-0xfe02800f irq 20 at
device 8.0 on pci0
miibus0: <MII bus> on nfe0
e1000phy0: <Marvell 88E1116 Gigabit PHY> PHY 1 on miibus0
e1000phy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX, auto
nfe0: Ethernet address: 00:1e:8c:3e:20:ea
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
nfe0: [FILTER]
pcib2: <ACPI PCI-PCI bridge> at device 15.0 on pci0
pci2: <ACPI PCI bus> on pcib2
vgapci0: <VGA-compatible display> port 0xac00-0xacff mem
0xe8000000-0xefffffff,0xfddf0000-0xfddfffff irq 16 at device 0.0 on pci2
drm0: <ATI Radeon RV370 X600 Pro> on vgapci0
info: [drm] Initialized radeon 1.25.0 20060524
vgapci1: <VGA-compatible display> mem 0xfdde0000-0xfddeffff at device 0.1 on
pci2
acpi_tz0: <Thermal Zone> on acpi0
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio0: [FILTER]
orm0: <ISA Option ROM> at iomem 0xc0000-0xccfff 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
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
ums0: <Dell Dell USB Mouse, class 0/0, rev 2.00/1.10, addr 2> on uhub0
ums0: 3 buttons and Z dir.
ukbd0: <DELL DELL USB Keyboard, class 0/0, rev 1.10/1.05, addr 3> on uhub0
kbd2 at ukbd0
ugen0: <APC Back-UPS ES 500 FW:801.e5.D USB FW:e5, class 0/0, rev 1.10/1.06,
addr 4> on uhub0
Timecounters tick every 1.000 msec
acd0: DVDR <TSSTcorpCD/DVDW TS-H552U/US03> at ata0-master UDMA33
ad4: 152627MB <Hitachi HDS721616PLA380 P22OABEA> at ata2-master SATA300
pcm0: <HDA Codec: Analog Devices AD1988B>
pcm0: <HDA Driver Revision: 20071129_0050>
SMP: AP CPU #1 Launched!
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <Seagate FreeAgentDesktop 100D> Fixed Direct Access SCSI-4 device
da0: 40.000MB/s transfers
da0: 238475MB (488397168 512 byte sectors: 255H 63S/T 30401C)
GEOM_LABEL: Label for provider da0s1 is ufs/backup.
GEOM_LABEL: Label for provider da0s1 is ntfs/FreeAgent Drive.
Trying to mount root from ufs:/dev/ad4s1a
WARNING: / was not properly dismounted
ath0: link state changed to UP
nfe0: link state changed to UP
==== kernel config ====
GENERIC minus unused stuff.
#
# based on:
# $FreeBSD: src/sys/amd64/conf/GENERIC,v 1.484.2.2.2.1 2008/02/06 03:24:28
scottl Exp $
#
cpu HAMMER
ident EDDIE
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
options SCHED_4BSD # 4BSD scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options UFS_GJOURNAL # Enable gjournal-based UFS journaling
options CD9660 # ISO 9660 Filesystem
options GEOM_PART_GPT # GUID Partition Tables.
options GEOM_LABEL # Provides labelization
options COMPAT_43TTY # BSD 4.3 TTY compat [KEEP THIS!]
options COMPAT_IA32 # Compatible with i386 binaries
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options COMPAT_FREEBSD6 # Compatible with FreeBSD6
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time
extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options ADAPTIVE_GIANT # Giant mutex is adaptive.
options STOP_NMI # Stop CPUS using NMI instead of IPI
options AUDIT # Security event auditing
# Make an SMP-capable kernel by default
options SMP # Symmetric MultiProcessor Kernel
# CPU frequency control
device cpufreq
# Bus support.
device acpi
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
options ATA_STATIC_ID # Static device numbering
# SCSI peripherals
device scbus # SCSI bus (required for SCSI)
device da # Direct Access (disks)
device cd # CD
device pass # Passthrough device (direct SCSI access)
device ses # SCSI Environmental Services (and SAF-TE)
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device kbdmux # keyboard multiplexer
device vga # VGA video card driver
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
device agp # support several AGP chipsets
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
device uart # Generic UART driver
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
device nfe # nVidia nForce MCP on-board Ethernet
# Wireless NIC cards
device wlan # 802.11 support
device wlan_wep # 802.11 WEP support
device wlan_ccmp # 802.11 CCMP support
device wlan_tkip # 802.11 TKIP support
device wlan_amrr # AMRR transmit rate control algorithm
device wlan_scan_ap # 802.11 AP mode scanning
device wlan_scan_sta # 802.11 STA mode scanning
device ath # Atheros pci/cardbus NIC's
device ath_hal # Atheros HAL (Hardware Access Layer)
device ath_rate_sample # SampleRate tx rate control for ath
# Pseudo devices.
device loop # Network loopback
device random # Entropy device
device ether # Ethernet support
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device gif # IPv6 and IPv4 tunneling
device firmware # firmware assist module
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter
# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device usb # USB Bus (required)
#device udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device uscanner # Scanners
>Description:
The system panicked on input from a USB keyboard.
X was running. The system had been idle, so the monitor was off.
I have a habit of hitting Ctrl to make it "wake up"; that's probably
what I did this time, but I'm not certain. It didn't respond, so I
hit a few more keys (Num Lock, Ctrl-Alt-F1, etc). Eventually, I hit
Ctrl-Alt-Delete, and it rebooted. Most likely, the system had just
finished dumping core and rebooted on its own, and the timing was
just a coincidence.
I've been running this setup for nine months, and this is the first
instance of this panic. One might suspect it's a timing issue.
#7 0xffffffff8040332e in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:169
#8 0xffffffff8020a4a0 in ohci_softintr (v=Variable "v" is not available.)
at /usr/src/sys/dev/usb/ohci.c:1428
#9 0xffffffff8020bc30 in ohci_intr1 (sc=0xffffffff80a44000)
at /usr/src/sys/dev/usb/ohci.c:1194
#10 0xffffffff8025bff0 in ithread_loop (arg=0xffffff00012356c0)
at /usr/src/sys/kern/kern_intr.c:1036
(kgdb) f 8
#8 0xffffffff8020a4a0 in ohci_softintr (v=Variable "v" is not available.)
at /usr/src/sys/dev/usb/ohci.c:1428
1428 usb_rem_task(OXFER(xfer)->xfer.pipe->device,
(kgdb) l
1423 if ((std->flags & OHCI_CALL_DONE) == 0)
1424 continue;
1425
1426 /* Normal transfer completion */
1427 callout_stop(&xfer->timeout_handle);
1428 usb_rem_task(OXFER(xfer)->xfer.pipe->device,
1429 &OXFER(xfer)->abort_task);
1430 for (p = xfer->hcpriv; p->xfer == xfer; p = n) {
1431 n = p->nexttd;
1432 ohci_free_std(sc, p);
(kgdb) p * ((struct ohci_xfer *)(xfer))
$2 = {xfer = {pipe = 0x0, priv = 0xff00000000000000,
buffer = 0xffffffff80628bdc, length = 8, actlen = 8, flags = 4,
timeout = 0, status = USBD_NORMAL_COMPLETION,
callback = 0xffffffff80215f80 <ukbd_intr>, done = 1 '\001', request = {
bmRequestType = 0 '\0', bRequest = 0 '\0', wValue = "\000",
wIndex = "\000", wLength = "\000"}, frlengths = 0x0, nframes = 0,
device = 0xffffff00014d9d00, dmamap = {segs = {{ds_addr = 6458332,
ds_len = 8}, {ds_addr = 0, ds_len = 0} <repeats 32 times>},
nsegs = 1, map = 0x0}, allocbuf = 0x0, rqflags = 16, next = {
stqe_next = 0x0}, hcpriv = 0xffffff000130af50, timeout_handle = {
c_links = {sle = {sle_next = 0x0}, tqe = {tqe_next = 0x0,
tqe_prev = 0x0}}, c_time = 0, c_arg = 0x0, c_func = 0,
c_mtx = 0xffffffff8062d7e0, c_flags = 0}}, abort_task = {next = {
tqe_next = 0x0, tqe_prev = 0x0},
fun = 0xffffffff8020a080 <ohci_timeout_task>, arg = 0xffffff0001238000,
queue = -1}, ohci_xfer_flags = 0}
(kgdb) p ((struct ohci_xfer *)(xfer))->xfer.pipe
$3 = (struct usbd_pipe *) 0x0
(kgdb) p cpuid_to_pcpu[0]->pc_curthread->td_proc->p_comm
$1 = "irq21: ohci0+\000\000\000\000\000\000"
(kgdb) p cpuid_to_pcpu[1]->pc_curthread->td_proc->p_comm
$2 = "audit\000r", '\0' <repeats 12 times>
I'm comfortable with kernel debugging, but I know nothing about the
USB code. If you know where to look, I'll gladly give you all the
data you need.
>How-To-Repeat:
Unlikely?
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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