Xine causes kernel panic

All,

With some help from Kris Kennaway, I've now done some more poking
around. The reason that Xine "locks the machine hard" is that it is
causing a 100% repeatable, panic that I can trigger with a UP or MP
kernel with or without the NVIDIA GLX drivers in kernel.

The backtrace looks like:

dsp_clone(0, e072095f, 4, e07208d0, c197af0c) dsp_clone + 0x136
devfs_lookup(e07209c8, 1, 0, c46be930, c4) devfs_lookup + 0x302
lookup + 0x24e
namei + 0x24e
vn_open_cred + 0x251
vn_open + 0x33
kern_open + 0xce
open + 0x30
syscall(2813002f, 2813002f, bfbf002f,0, 5) syscall + 0x2co
Xint0x80_syscall() Xint0x80_syscall + 0x1d

Registers:

Fatal Trap 12: page fault while in kernel mode
Fault virtual address = 0x0
Fault code = supervisor read, page not present
Instruction Ptr = 0x8:0xc05dca86
Stack Ptr = 0x10:0xe0720854
Frame Ptr = 0x10:0xe0720898
Code Segment = base 0x0, limit 0xfffff, type 0x1b
             = DPL 0, pres 1, def32 1, gran 1
Processor Eflags =  interrupt enabled, resume IOPL=0
current process = 771 (xine)
kernel: type 12 trap code = 0
Stopped at dsp_clone + 0x136: testb $0x04, 0(%eax)

-------------------------------------------------

Hardware is a SB Live, Intel i860, dual Xeon. This fault has been
introduced since Christmas I think.

Copyright (c) 1992-2004 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 5.2-CURRENT #0: Sat Jan 17 10:27:14 PST 2004
    brendy_at_bigboot.humphrey.world:/usr/obj/usr/src/sys/BRENDY
Preloaded elf kernel "/boot/kernel/kernel" at 0xc0ca8000.
Preloaded elf module "/boot/kernel/linux.ko" at 0xc0ca81f4.
Preloaded elf module "/boot/kernel/nvidia.ko" at 0xc0ca82a0.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0ca834c.
ACPI APIC Table: <IntelR AWRDACPI>
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) XEON(TM) CPU 2.00GHz (1982.53-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf24  Stepping = 4
 
Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
  Hyperthreading: 2 logical CPUs
real memory  = 536805376 (511 MB)
avail memory = 511381504 (487 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
Pentium Pro MTRR support enabled
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <IntelR AWRDACPI> on motherboard
pcibios: BIOS version 2.10
Using $PIR table, 9 entries at 0xc00fded0
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_cpu0: <CPU> port 0x530-0x537 on acpi0
acpi_cpu1: <CPU> port 0x530-0x537 on acpi0
acpi_cpu2: <CPU> port 0x530-0x537 on acpi0
device_probe_and_attach: acpi_cpu2 attach returned 6
acpi_cpu2: <CPU> port 0x530-0x537 on acpi0
device_probe_and_attach: acpi_cpu2 attach returned 6
acpi_tz0: <Thermal Zone> port 0x530-0x537 on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82860 host to AGP bridge> mem 0xe0000000-0xe7ffffff at
device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pcib1: slot 0 INTA is routed to irq 22
nvidia0: <GeForce4 Ti 4200> mem
0xf0000000-0xf007ffff,0xe8000000-0xefffffff,0xf8000000-0xf8ffffff irq 22
at device 0.0 on pci1
pcib2: <ACPI PCI-PCI bridge> at device 2.0 on pci0
pcib2: could not get PCI interrupt routing table for \\_SB_.PCI0.HUBA -
AE_NOT_FOUND
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 31.0 on pci2
pci3: <ACPI PCI bus> on pcib3
pci3: <base peripheral, interrupt controller> at device 0.0 (no driver
attached)pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci4: <ACPI PCI bus> on pcib4
pcm0: <Creative EMU10K1> port 0xc000-0xc01f irq 17 at device 1.0 on pci4
pcm0: <TriTech TR28602 AC97 Codec>
fxp0: <Intel 82559 Pro/100 Ethernet> port 0xc800-0xc83f mem
0xfb000000-0xfb0fffff,0xfb105000-0xfb105fff irq 16 at device 4.0 on pci4
fxp0: Ethernet address 00:30:48:23:23:ca
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fwohci0: <Texas Instruments TSB12LV26> mem
0xfb100000-0xfb103fff,0xfb104000-0xfb1047ff irq 16 at device 7.0 on pci4
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channel is 4.
fwohci0: EUI64 00:30:95:26:b0:03:35:68
fwohci0: Phy 1394a available S400, 3 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:30:95:03:35:68
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH2 UDMA100 controller> port 0xf000-0xf00f at device
31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
0xd000-0xd01f irq 19 at device 31.2 on pci0
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
uhub0: 2 ports with 2 removable, self powered
uscanner0: EPSON EPSON Scanner, rev 1.10/1.00, addr 2
uhub1: NEC Corporation USB2.0 Hub Controller, class 9/0, rev 2.00/1.00,
addr 3
uhub1: 4 ports with 4 removable, self powered
umass0: SCM Microsystems Inc. eUSB SmartMedia Reader, rev 1.10/5.04,
addr 4
uaudio0: audio rev 1.00
pcm1: <USB Audio> on uaudio0
play channel supported format list invalid
pcm1: chn_init(pcm1:play:0) failed: err = 19
pcm1: pcm_chn_create(ua_chan, 1, 0xc4913980) failed
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
0xd800-0xd81f irq 23 at device 31.4 on pci0
usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> port
0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
fdc0: FIFO enabled, 8 bytes threshold
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
sio1 port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model MouseMan+, device ID 0
acpi_cpu2: <CPU> port 0x530-0x537 on acpi0
device_probe_and_attach: acpi_cpu2 attach returned 6
acpi_cpu2: <CPU> port 0x530-0x537 on acpi0
device_probe_and_attach: acpi_cpu2 attach returned 6
orm0: <Option ROMs> at iomem 0xd0000-0xd0fff,0xc0000-0xcefff on isa0
pmtimer0 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
Timecounters tick every 10.000 msec
GEOM: create disk ad0 dp=0xc495fa60
ad0: 114440MB <WDC WD1200BB-00DAA1> [232514/16/63] at ata0-master
UDMA100
GEOM: create disk ad1 dp=0xc4a57760
ad1: 58644MB <IC35L060AVV207-0> [119150/16/63] at ata0-slave UDMA100
acd0: CDRW <RICOH CD-R/RW MP7063A> at ata1-master WDMA2
GEOM: create disk cd0 dp=0xc4a46600
GEOM: create disk da0 dp=0xc4a6bc50
SMP: AP CPU #1 Launched!
cd0 at ata1 bus 0 target 0 lun 0
cd0: <RICOH CD-R/RW MP7063A 1.50> Removable CD-ROM SCSI-0 device
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <eUSB SmartMedia 5.04> Removable Direct Access SCSI-2 device
da0: 1.000MB/s transfers
da0: Attempt to query device size failed: NOT READY, Medium not present
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error
Opened disk da0 -> 6
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error

Hope this helps.

As usual I'm happy to perform tests, poke and prod etc etc.

Brendon