7.2-STABLE: Inserting USB device causes Fatal Trap 12
Norbert Papke
npapke at acm.org
Sun May 10 21:26:10 UTC 2009
On May 10, 2009, Norbert Papke wrote:
> Inserting a USB thumb drive into a running sytem result in a "Fatal trap
> 12: page fault while in kernel mode".
>
> Unfortunately, I was not able to save a core (not entirely sure why, I'll
> investigate separately). I have manually copied the backtrace:
I now have a kernel dump and backtrace with symbols:
#0 doadump () at pcpu.h:195
#1 0xffffffff801d239c in db_fncall (dummy1=Variable "dummy1" is not
available.
) at /red/public/freebsd/sources/stable/sys/ddb/db_command.c:516
#2 0xffffffff801d28a9 in db_command (last_cmdp=0xffffffff80adc648,
cmd_table=0x0, dopager=1)
at /red/public/freebsd/sources/stable/sys/ddb/db_command.c:413
#3 0xffffffff801d2aab in db_command_loop ()
at /red/public/freebsd/sources/stable/sys/ddb/db_command.c:466
#4 0xffffffff801d42f7 in db_trap (type=Variable "type" is not available.
) at /red/public/freebsd/sources/stable/sys/ddb/db_main.c:228
#5 0xffffffff805159e5 in kdb_trap (type=12, code=0, tf=0xfffffffef5b69d10)
at /red/public/freebsd/sources/stable/sys/kern/subr_kdb.c:524
#6 0xffffffff80798143 in trap_fatal (frame=0xfffffffef5b69d10,
eva=Variable "eva" is not available.
)
at /red/public/freebsd/sources/stable/sys/amd64/amd64/trap.c:752
#7 0xffffffff80798498 in trap_pfault (frame=0xfffffffef5b69d10, usermode=0)
at /red/public/freebsd/sources/stable/sys/amd64/amd64/trap.c:673
#8 0xffffffff80798bcf in trap (frame=0xfffffffef5b69d10)
at /red/public/freebsd/sources/stable/sys/amd64/amd64/trap.c:444
#9 0xffffffff8077edae in calltrap ()
at /red/public/freebsd/sources/stable/sys/amd64/amd64/exception.S:209
#10 0xffffffff80473265 in usb_transfer_complete (xfer=0xffffff00045cbc00)
at /red/public/freebsd/sources/stable/sys/dev/usb/usbdi.c:949
#11 0xffffffff8077af55 in bus_dmamap_load (dmat=0xffffff0004598580,
map=0xffffff000cbf5e00,
buf=0xfffffffef5b69ff0, buflen=Variable "buflen" is not available.
) at /red/public/freebsd/sources/stable/sys/amd64/amd64/busdma_machdep.c:739
#12 0xffffffff80473955 in usbd_transfer (xfer=0xffffff00045cbc00)
at /red/public/freebsd/sources/stable/sys/dev/usb/usbdi.c:312
#13 0xffffffff80473b36 in usbd_do_request_flags_pipe (dev=0xffffff009c1e4a00,
pipe=0xffffff000c857680,
req=0xfffffffef5b69f90, data=0xfffffffef5b69ff0, flags=Variable "flags" is
not available.
)
at /red/public/freebsd/sources/stable/sys/dev/usb/usbdi.c:1100
#14 0xffffffff80473c60 in usbd_do_request_flags (dev=Variable "dev" is not
available.
)
at /red/public/freebsd/sources/stable/sys/dev/usb/usbdi.c:1070
#15 0xffffffff80471d1a in usbd_get_string_desc (dev=0xffffff009c1e4a00,
sindex=Variable "sindex" is not available.
)
at /red/public/freebsd/sources/stable/sys/dev/usb/usb_subr.c:171
#16 0xffffffff80472f1d in usbd_get_string (dev=0xffffff009c1e4a00, si=1,
buf=0xfffffffef5b6a200 "", len=128)
---Type <return> to continue, or q <return> to quit---
at /red/public/freebsd/sources/stable/sys/dev/usb/usbdi.c:1353
#17 0xffffffff80470fca in usbd_devinfo_vp (dev=0xffffff009c1e4a00,
v=0xfffffffef5b6a200 "",
p=0xfffffffef5b6a180 "�z�\200����`��\200����", usedev=Variable "usedev" is
not available.
)
at /red/public/freebsd/sources/stable/sys/dev/usb/usb_subr.c:216
#18 0xffffffff80471b76 in usbd_devinfo (dev=0xffffff009c1e4a00, showclass=1,
cp=0xffffff0122986000 "\001")
at /red/public/freebsd/sources/stable/sys/dev/usb/usb_subr.c:281
#19 0xffffffff8047243e in usbd_new_device (parent=0xffffff0004591900,
bus=0xffffff000440a000, depth=Variable "depth" is not available.
)
at /red/public/freebsd/sources/stable/sys/dev/usb/usb_subr.c:861
#20 0xffffffff80467b5b in uhub_explore (dev=0xffffff0004591400)
at /red/public/freebsd/sources/stable/sys/dev/usb/uhub.c:523
#21 0xffffffff8046f391 in usb_discover (v=Variable "v" is not available.
) at /red/public/freebsd/sources/stable/sys/dev/usb/usb.c:724
#22 0xffffffff8046fc61 in usb_event_thread (arg=Variable "arg" is not
available.
) at /red/public/freebsd/sources/stable/sys/dev/usb/usb.c:440
#23 0xffffffff804d05bd in fork_exit (callout=0xffffffff8046fbe5
<usb_event_thread>, arg=0xffffff0004598d00,
frame=0xfffffffef5b6ac80)
at /red/public/freebsd/sources/stable/sys/kern/kern_fork.c:810
#24 0xffffffff8077f16e in fork_trampoline ()
at /red/public/freebsd/sources/stable/sys/amd64/amd64/exception.S:455
> The problem is repeatable. It only happens when I insert the thumb drive
> into a running system. If I boot with the thumb drive present, everything
> is fine.
>
> Any help is greatly appreciated.
>
> Cheers,
>
> -- Norbert Papke.
>
> =================================================
>
> # uname -a
> FreeBSD proven.lan 7.2-STABLE FreeBSD 7.2-STABLE #0 r191841: Tue May 5
> 21:13:21 PDT 2009
> npapke at proven.lan:/usr/obj/red/public/freebsd/sources/stable/sys/PROVEN
> amd64
>
> =================================================
>
> Kernel config:
>
> include GENERIC
> ident PROVEN
>
> options KDB # kernel debugger (just in case)
> options KDB_TRACE
> options DDB # kernel debugger (just in case)
> options WITNESS
> options WITNESS_SKIPSPIN
>
> options IPSEC
> device crypto
> device stf # for IPv6 tunneling
>
> # keep kernel messages from different cpus separate
> options PRINTF_BUFR_SIZE=64
>
> option SC_HISTORY_SIZE=2000
> options SC_NORM_ATTR=(FG_GREEN|BG_BLACK)
> options SC_NORM_REV_ATTR=(FG_YELLOW|BG_GREEN)
> options SC_KERNEL_CONS_ATTR=(FG_LIGHTRED|BG_BLACK)
> options SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_RED)
>
> # Alternate Queuing of network packets
> options ALTQ
> options ALTQ_CBQ # Class Bases Queuing (CBQ)
> options ALTQ_RED # Random Early Detection (RED)
> options ALTQ_RIO # RED In/Out
> options ALTQ_HFSC # Hierarchical Packet Scheduler (HFSC)
> options ALTQ_PRIQ # Priority Queuing (PRIQ)
> options ALTQ_NOPCC # Required for SMP build
>
> # load as module for debugging
> nodevice re # RealTek 8139C+/8169/8169S/8110S
>
> =================================================
>
> Copyright (c) 1992-2009 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 7.2-STABLE #0 r191841: Tue May 5 21:13:21 PDT 2009
> npapke at proven.lan:/usr/obj/red/public/freebsd/sources/stable/sys/PROVEN
> WARNING: WITNESS option enabled, expect reduced performance.
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz (3155.59-MHz K8-class
> CPU)
> Origin = "GenuineIntel" Id = 0x1067a Stepping = 10
>
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MC
>A,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>
> Features2=0x408e3fd<SSE3,RSVD2,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,P
>DCM,<b19>,XSAVE> AMD Features=0x20100800<SYSCALL,NX,LM>
> AMD Features2=0x1<LAHF>
> Cores per package: 2
> usable memory = 4279189504 (4080 MB)
> avail memory = 4097724416 (3907 MB)
> ACPI APIC Table: <100808 APIC1053>
> 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
> kbd1 at kbdmux0
> cryptosoft0: <software crypto> on motherboard
> acpi0: <100808 XSDT1053> on motherboard
> acpi0: [ITHREAD]
> acpi0: Power Button (fixed)
> acpi0: reservation of ffc00000, 300000 (3) failed
> acpi0: reservation of fee00000, 1000 (3) failed
> acpi0: reservation of 0, a0000 (3) failed
> acpi0: reservation of 100000, bff00000 (3) failed
> Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
> acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on
> acpi0 Timecounter "HPET" frequency 14318180 Hz quality 900
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> vgapci0: <VGA-compatible display> port 0xc000-0xc0ff mem
> 0xd0000000-0xdfffffff,0xfe9f0000-0xfe9fffff irq 16 at device 0.0 on pci1
> drm0: <ATI ATI Radeon HD 3600 XT> on vgapci0
> info: [drm] MSI enabled 1 message(s)
> vgapci0: child drm0 requested pci_enable_busmaster
> info: [drm] Initialized radeon 1.29.0 20080528
> hdac0: <ATI RV635 High Definition Audio Controller> mem
> 0xfe9ec000-0xfe9effff irq 17 at device 0.1 on pci1
> hdac0: HDA Driver Revision: 20090329_0131
> hdac0: [ITHREAD]
> uhci0: <UHCI (generic) USB controller> port 0xbc00-0xbc1f irq 16 at device
> 26.0 on pci0
> uhci0: [GIANT-LOCKED]
> uhci0: [ITHREAD]
> usb0: <UHCI (generic) USB controller> 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
> uhci1: <UHCI (generic) USB controller> port 0xb880-0xb89f irq 21 at device
> 26.1 on pci0
> uhci1: [GIANT-LOCKED]
> uhci1: [ITHREAD]
> usb1: <UHCI (generic) USB controller> 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
> uhci2: <UHCI (generic) USB controller> port 0xb800-0xb81f irq 19 at device
> 26.2 on pci0
> uhci2: [GIANT-LOCKED]
> uhci2: [ITHREAD]
> usb2: <UHCI (generic) USB controller> on uhci2
> usb2: USB revision 1.0
> uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
> uhub2: 2 ports with 2 removable, self powered
> ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe8fe000-0xfe8fe3ff irq 18
> at device 26.7 on pci0
> ehci0: [GIANT-LOCKED]
> ehci0: [ITHREAD]
> usb3: EHCI version 1.0
> usb3: companion controllers, 2 ports each: usb0 usb1 usb2
> usb3: <EHCI (generic) USB 2.0 controller> on ehci0
> usb3: USB revision 2.0
> uhub3: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb3
> uhub3: 6 ports with 6 removable, self powered
> hdac1: <Intel 82801J High Definition Audio Controller> mem
> 0xfe8f8000-0xfe8fbfff irq 22 at device 27.0 on pci0
> hdac1: HDA Driver Revision: 20090329_0131
> hdac1: [ITHREAD]
> pcib2: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
> pci2: <ACPI PCI bus> on pcib2
> pcib3: <ACPI PCI-PCI bridge> irq 16 at device 28.5 on pci0
> pci3: <ACPI PCI bus> on pcib3
> re0: <RealTek 8168/8168B/8168C/8168CP/8168D/8111B/8111C/8111CP PCIe Gigabit
> Ethernet> port 0xd800-0xd8ff mem
> 0xfeaff000-0xfeafffff,0xfdff0000-0xfdffffff irq 17 at device 0.0 on pci3
> re0: Chip rev. 0x3c000000
> re0: MAC rev. 0x00400000
> miibus0: <MII bus> on re0
> rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
> rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> 1000baseT-FDX, auto
> re0: Ethernet address: 00:30:48:b0:6a:1f
> re0: [FILTER]
> uhci3: <UHCI (generic) USB controller> port 0xb480-0xb49f irq 23 at device
> 29.0 on pci0
> uhci3: [GIANT-LOCKED]
> uhci3: [ITHREAD]
> usb4: <UHCI (generic) USB controller> on uhci3
> usb4: USB revision 1.0
> uhub4: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb4
> uhub4: 2 ports with 2 removable, self powered
> uhci4: <UHCI (generic) USB controller> port 0xb400-0xb41f irq 19 at device
> 29.1 on pci0
> uhci4: [GIANT-LOCKED]
> uhci4: [ITHREAD]
> usb5: <UHCI (generic) USB controller> on uhci4
> usb5: USB revision 1.0
> uhub5: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb5
> uhub5: 2 ports with 2 removable, self powered
> uhci5: <UHCI (generic) USB controller> port 0xb080-0xb09f irq 18 at device
> 29.2 on pci0
> uhci5: [GIANT-LOCKED]
> uhci5: [ITHREAD]
> usb6: <UHCI (generic) USB controller> on uhci5
> usb6: USB revision 1.0
> uhub6: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb6
> uhub6: 2 ports with 2 removable, self powered
> ehci1: <EHCI (generic) USB 2.0 controller> mem 0xfe8fc000-0xfe8fc3ff irq 23
> at device 29.7 on pci0
> ehci1: [GIANT-LOCKED]
> ehci1: [ITHREAD]
> usb7: EHCI version 1.0
> usb7: companion controllers, 2 ports each: usb4 usb5 usb6
> usb7: <EHCI (generic) USB 2.0 controller> on ehci1
> usb7: USB revision 2.0
> uhub7: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb7
> uhub7: 6 ports with 6 removable, self powered
> umass0: <JetFlash Mass Storage Device, class 0/0, rev 2.00/1.00, addr 2> on
> uhub7
> pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
> pci4: <ACPI PCI bus> on pcib4
> dc0: <ADMtek AN985 10/100BaseTX> port 0xe800-0xe8ff mem
> 0xfebffc00-0xfebfffff irq 21 at device 1.0 on pci4
> miibus1: <MII bus> on dc0
> acphy0: <ACXXX 10/100 media interface> PHY 1 on miibus1
> acphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> dc0: Ethernet address: 00:20:78:10:3e:98
> dc0: [ITHREAD]
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> atapci0: <Intel ICH10 SATA300 controller> port
> 0xb000-0xb007,0xac00-0xac03,0xa880-0xa887,0xa800-0xa803,0xa480-0xa48f,0xa40
>0-0xa40f irq 19 at device 31.2 on pci0
> atapci0: [ITHREAD]
> ata2: <ATA channel 0> on atapci0
> ata2: [ITHREAD]
> ata3: <ATA channel 1> on atapci0
> ata3: [ITHREAD]
> ichsmb0: <SMBus controller> port 0x400-0x41f mem 0xfe8f7c00-0xfe8f7cff irq
> 18 at device 31.3 on pci0
> ichsmb0: [GIANT-LOCKED]
> ichsmb0: [ITHREAD]
> smbus0: <System Management Bus> on ichsmb0
> smb0: <SMBus generic I/O> on smbus0
> atapci1: <Intel ICH10 SATA300 controller> port
> 0xa000-0xa007,0x9c00-0x9c03,0x9880-0x9887,0x9800-0x9803,0x9480-0x948f,0x940
>0-0x940f irq 19 at device 31.5 on pci0
> atapci1: [ITHREAD]
> ata4: <ATA channel 0> on atapci1
> ata4: [ITHREAD]
> ata5: <ATA channel 1> on atapci1
> ata5: [ITHREAD]
> acpi_button0: <Power Button> 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]
> ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0
> ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
> ppbus0: <Parallel port bus> on ppc0
> ppbus0: [ITHREAD]
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ppi0: <Parallel I/O> on ppbus0
> plip0: <PLIP network interface> on ppbus0
> plip0: WARNING: using obsoleted IFF_NEEDSGIANT flag
> ppc0: [GIANT-LOCKED]
> ppc0: [ITHREAD]
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> atkbd0: [ITHREAD]
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: [GIANT-LOCKED]
> psm0: [ITHREAD]
> psm0: model IntelliMouse, device ID 3
> cpu0: <ACPI CPU> on acpi0
> ACPI Warning (tbutils-0243): Incorrect checksum in table [OEMB] - 45,
> should be 40 [20070320]
> coretemp0: <CPU On-Die Thermal Sensors> on cpu0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> cpu1: <ACPI CPU> on acpi0
> coretemp1: <CPU On-Die Thermal Sensors> on cpu1
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> est: CPU supports Enhanced Speedstep, but is not recognized.
> est: cpu_vendor GenuineIntel, msr 616492206004922
> device_attach: est1 attach returned 6
> p4tcc1: <CPU Frequency Thermal Control> on cpu1
> orm0: <ISA Option ROM> at iomem 0xc0000-0xcffff on isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> sio1: configured irq 3 not in bitmap of probed irqs 0
> sio1: port may not be enabled
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> Timecounters tick every 1.000 msec
> IPsec: Initialized Security Association Processing.
> ad4: 239372MB <Maxtor 7Y250M0 YAR51HW0> at ata2-master SATA150
> ad7: 305245MB <Seagate ST3320620AS 3.AAK> at ata3-slave SATA300
> ad8: 610480MB <WDC WD6401AALS-00L3B2 01.03B01> at ata4-master SATA300
> GEOM_LABEL: Label for provider ad4s1a is ufsid/497cecd46b0e22e5.
> acd0: DVDR <HL-DT-STDVD-RAM GH22NS30/1.01> at ata5-master SATA150
> hdac0: HDA Codec #0: ATI R6xx HDMI
> pcm0: <HDA ATI R6xx HDMI PCM #0 Digital> at cad 0 nid 1 on hdac0
> hdac1: HDA Codec #2: Realtek ALC888
> hdac1: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac1: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac1: Codec #3 is not responding! Probing aborted.
> pcm1: <HDA Realtek ALC888 PCM #0 Analog> at cad 2 nid 1 on hdac1
> pcm2: <HDA Realtek ALC888 PCM #1 Analog> at cad 2 nid 1 on hdac1
> pcm3: <HDA Realtek ALC888 PCM #2 Digital> at cad 2 nid 1 on hdac1
> acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
> (probe1:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> (probe1:umass-sim0:0:0:0): CAM Status: SCSI Status Error
> (probe1:umass-sim0:0:0:0): SCSI Status: Check Condition
> (probe1:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
> (probe1:umass-sim0:0:0:0): Not ready to ready change, medium may have
> changed (probe1:umass-sim0:0:0:0): Retrying Command (per Sense Data)
> acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
> SMP: AP CPU #1 Launched!
> WARNING: WITNESS option enabled, expect reduced performance.
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <JetFlash Transcend 4GB 8.07> Removable Direct Access SCSI-2 device
> da0: 40.000MB/s transfers
> da0: 3830MB (7843840 512 byte sectors: 255H 63S/T 488C)
> cd0 at ata3 bus 0 target 0 lun 0
> cd0: <HL-DT-ST DVD-RAM GH22NS30 1.01> Removable CD-ROM SCSI-0 device
> cd0: 3.300MB/s transfers
> cd0: cd present [4098336 x 2048 byte records]
> GEOM_LABEL: Label for provider acd0 is iso9660/THE_MATRIX_16X9LB_N_AMERICA.
> Trying to mount root from ufs:/dev/ad4s1a
> WARNING: / was not properly dismounted
> WARNING: reducing size to maximum of 67108864 blocks per swap unit
> GEOM_LABEL: Label ufsid/497cecd46b0e22e5 removed.
> GEOM_LABEL: Label for provider ad4s1a is ufsid/497cecd46b0e22e5.
> GEOM_LABEL: Label ufsid/497cecd46b0e22e5 removed.
> This module (opensolaris) contains code covered by the
> Common Development and Distribution License (CDDL)
> see http://opensolaris.org/os/licensing/opensolaris_license/
> WARNING: ZFS is considered to be an experimental feature in FreeBSD.
> ZFS filesystem version 6
> ZFS storage pool version 6
> lock order reversal:
> 1st 0xffffffff80e49de0 pf task mtx (pf task mtx)
> @
> /red/public/freebsd/sources/stable/sys/modules/pf/../../contrib/pf/net/pf_i
>octl.c:1394 2nd 0xffffffff80ba94c0 ifnet (ifnet)
> @ /red/public/freebsd/sources/stable/sys/net/if.c:1623
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
> witness_checkorder() at witness_checkorder+0x543
> _mtx_lock_flags() at _mtx_lock_flags+0x1f
> ifunit() at ifunit+0x24
> pfioctl() at pfioctl+0x2531
> devfs_ioctl_f() at devfs_ioctl_f+0x71
> kern_ioctl() at kern_ioctl+0x91
> ioctl() at ioctl+0xeb
> syscall() at syscall+0x1a5
> Xfast_syscall() at Xfast_syscall+0xab
> --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x80096296c, rsp =
> 0x7fffffffdc18, rbp = 0x7fffffffdca0 ---
> kqemu version 0x00010400
> kqemu: KQEMU installed, max_locked_mem=2089448kB.
> acd0: FAILURE - READ_BIG timed out
> acd0: FAILURE - READ_BIG timed out
> acd0: FAILURE - READ_BIG timed out
> info: [drm] Setting GART location based on new memory map
> info: [drm] Loading RV635 CP Microcode
> info: [drm] Loading RV635 PFP Microcode
> info: [drm] Resetting GPU
> info: [drm] writeback test succeeded in 1 usecs
> drm0: [ITHREAD]
> acd0: FAILURE - READ_BIG timed out
> acd0: FAILURE - READ_BIG timed out
> (cd0:ata3:0:0:0): cddone: got error 0x5 back
> tap0: Ethernet address: 00:bd:d8:9b:04:00
> bridge0: Ethernet address: fa:cc:68:2e:a4:8e
> tap0: promiscuous mode enabled
> dc0: promiscuous mode enabled
>
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--
-- Norbert Papke.
npapke at acm.org
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