Please note, this is not the same issue as collegeitdept was having. I can boot with the drive connected to the USB and access the drive just fine. However there is an intermittent KP if the drive is mounted or unmounted while the OS is running. Also, this kernel panic seems to happen just before or just after returning from sleep mode. I have an external drive with (2) 3TB disks in a zfs mirror connected through USB 2.0. The kernel panic and other diagnostic information is below.
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$ zpool status
pool: zfs-media
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
zfs-media ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
GPTE_5B6D31A0-766F-4E48-BBD8-EE631D3127DA ONLINE 0 0 0 at disk2s2
GPTE_1376B8FF-B8C2-408B-9C15-AB1D033F8BBD ONLINE 0 0 0 at disk4s2
errors: No known data errors
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$ zpool get all zfs-media
NAME PROPERTY VALUE SOURCE
zfs-media size 2.73Ti -
zfs-media capacity 6% -
zfs-media altroot - default
zfs-media health ONLINE -
zfs-media guid 6358071128368857632 default
zfs-media version 28 default
zfs-media failmode continue default
zfs-media listsnapshots off default
zfs-media autoexpand off default
zfs-media free 2.55Ti -
zfs-media allocated 183Gi -
zfs-media readonly off -
zfs-media ashift 12 local
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$ zstat
v2012.09.14 54 threads 1 mount 3334 vnodes 18:59:05
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Interval Since Last Panic Report: 28512 sec
Panics Since Last Report: 2
Anonymous UUID: 8C7C94B5-3FED-5B10-2327-9376926B55FD
Thu Oct 11 18:45:12 2012
panic(cpu 1 caller 0xffffff80016b7bd5): Kernel trap at 0xffffff7f81b7fcf5, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x000000006e27d000, CR4: 0x0000000000000660
RAX: 0x0000000000000000, RBX: 0xffffff8014249a00, RCX: 0xffffff8001ce0500, RDX: 0xffffff80142fdd00
RSP: 0xffffff810c97b060, RBP: 0xffffff810c97b080, RSI: 0x0000000020000001, RDI: 0x0000000000000000
R8: 0x0000000000000dfb, R9: 0x0000000000000000, R10: 0xffffff8018ef2ea0, R11: 0x0000000000000000
R12: 0xffffff8014235f00, R13: 0xffffff8014249a00, R14: 0x0000000000000001, R15: 0x0000000000000000
RFL: 0x0000000000010282, RIP: 0xffffff7f81b7fcf5, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000000, Error code: 0x0000000000000000, Fault CPU: 0x1
Backtrace (CPU 1), Frame : Return Address
0xffffff810c97ad00 : 0xffffff800161d626
0xffffff810c97ad70 : 0xffffff80016b7bd5
0xffffff810c97af40 : 0xffffff80016ce4ed
0xffffff810c97af60 : 0xffffff7f81b7fcf5
0xffffff810c97b080 : 0xffffff8001a3072b
0xffffff810c97b0e0 : 0xffffff7f81b87395
0xffffff810c97b0f0 : 0xffffff7f81b816d1
0xffffff810c97b150 : 0xffffff8001a3072b
0xffffff810c97b1b0 : 0xffffff7f81b87395
0xffffff810c97b1c0 : 0xffffff7f81b8275f
0xffffff810c97b230 : 0xffffff800171fb5c
0xffffff810c97b2a0 : 0xffffff8001711c46
0xffffff810c97b2e0 : 0xffffff800170936c
0xffffff810c97b390 : 0xffffff8001708acb
0xffffff810c97b4f0 : 0xffffff80016f3f40
0xffffff810c97b6c0 : 0xffffff7f81c34438
0xffffff810c97b790 : 0xffffff80016f8aee
0xffffff810c97bae0 : 0xffffff80016f97fa
0xffffff810c97bf10 : 0xffffff80016f8fd9
0xffffff810c97bf50 : 0xffffff80019e182a
0xffffff810c97bfb0 : 0xffffff80016ced33
Kernel Extensions in backtrace:
com.apple.iokit.IOStorageFamily(1.8)[A3CC4E44-8E10-3D9A-BA8E-95743E79D125]@0xffffff7f81b78000->0xffffff7f81b9cfff
com.getgreenbytes.filesystem.zfs(2012.9.14)[8241F82D-269B-30AD-86AB-AB7C3D520F2B]@0xffffff7f81ba5000->0xffffff7f81d41fff
dependency: com.apple.iokit.IOStorageFamily(1.8)[A3CC4E44-8E10-3D9A-BA8E-95743E79D125]@0xffffff7f81b78000
BSD process name corresponding to current thread: zpool
Mac OS version:
12C60
Kernel version:
Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64
Kernel UUID: 69A5853F-375A-3EF4-9247-478FD0247333
Kernel slide: 0x0000000001400000
Kernel text base: 0xffffff8001600000
System model name: MacBook5,1 (Mac-F42D89C8)
System uptime in nanoseconds: 8777647699150
last loaded kext at 8620617873065: com.apple.iokit.SCSITaskUserClient 3.5.1 (addr 0xffffff7f83b26000, size 36864)
last unloaded kext at 165468964141: com.apple.driver.AppleUSBTCKeyEventDriver 235.4 (addr 0xffffff7f8349b000, size 8192)
loaded kexts:
com.parallels.kext.prl_vnic 7.0 15107.796624
com.parallels.kext.prl_netbridge 7.0 15107.796624
com.parallels.kext.prl_hid_hook 7.0 15107.796624
com.parallels.kext.prl_hypervisor 7.0 15107.796624
com.parallels.kext.prl_usb_connect 7.0 15107.796624
com.getgreenbytes.driver.zfs 2012.09.14
com.getgreenbytes.filesystem.zfs 2012.09.14
at.obdev.nke.LittleSnitch 3871
com.apple.iokit.SCSITaskUserClient 3.5.1
com.apple.driver.AppleUSBCDC 4.1.22
com.apple.filesystems.afpfs 10.0
com.apple.nke.asp_tcp 7.0.0
com.apple.filesystems.smbfs 1.8
com.apple.driver.AudioAUUC 1.60
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.filesystems.autofs 3.0
com.apple.iokit.IOBluetoothSerialManager 4.0.9f33
com.apple.driver.AGPM 100.12.69
com.apple.driver.AppleMikeyHIDDriver 122
com.apple.driver.AppleHDA 2.3.1f2
com.apple.driver.AppleMikeyDriver 2.3.1f2
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.ApplePolicyControl 3.2.11
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.driver.AppleLPC 1.6.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport 4.0.9f33
com.apple.driver.AppleUpstreamUserClient 3.5.10
com.apple.driver.AppleSMCLMU 2.0.2d0
com.apple.driver.AppleBacklight 170.2.3
com.apple.driver.AppleMCCSControl 1.0.33
com.apple.GeForce 8.0.0
com.apple.driver.SMCMotionSensor 3.0.2d6
com.apple.driver.AppleUSBTCButtons 235.4
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 34
com.apple.driver.AppleUSBTCKeyboard 235.4
com.apple.driver.AppleIRController 320.15
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.2.2
com.apple.driver.AppleAHCIPort 2.4.1
com.apple.nvenet 2.0.19
com.apple.driver.AppleUSBHub 5.2.5
com.apple.driver.AirPort.Brcm4331 602.15.22
com.apple.driver.AppleUSBOHCI 5.2.5
com.apple.driver.AppleUSBEHCI 5.4.0
com.apple.driver.AppleEFINVRAM 1.6.1
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleRTC 1.5
com.apple.driver.AppleHPET 1.7
com.apple.driver.AppleACPIButtons 1.6
com.apple.driver.AppleSMBIOS 1.9
com.apple.driver.AppleACPIEC 1.6
com.apple.driver.AppleAPIC 1.6
com.apple.driver.AppleIntelCPUPowerManagementClient 196.0.0
com.apple.nke.applicationfirewall 4.0.39
com.apple.security.quarantine 2
com.apple.driver.AppleIntelCPUPowerManagement 196.0.0
com.apple.security.SecureRemotePassword 1.0
com.apple.kext.triggers 1.0
com.apple.iokit.IOSerialFamily 10.0.6
com.apple.driver.DspFuncLib 2.3.1f2
com.apple.iokit.IOAudioFamily 1.8.9fc10
com.apple.kext.OSvKernDSPLib 1.6
com.apple.iokit.IOSurface 86.0.3
com.apple.iokit.IOBluetoothFamily 4.0.9f33
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.driver.AppleSMBus
Model: MacBook5,1, BootROM MB51.007D.B03, 2 processors, Intel Core 2 Duo, 2 GHz, 8 GB, SMC 1.32f8
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x859B, 0x435435313236344243313036372E4D313646
Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1067 MHz, 0x857F, 0x483634353155363446373036364700000000
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.81.22)
Bluetooth: Version 4.0.9f33 10885, 2 service, 11 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: M4-CT128M4SSD2, 128.04 GB
Serial ATA Device: Hitachi HTS543216L9SA02, 160.04 GB
USB Device: USB to ATA/ATAPI Bridge, 0x152d (JMicron Technology Corp.), 0x0539, 0x26200000 / 2
USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0x24400000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8213, 0x06110000 / 3
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0x04600000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2
These were the last lines in system.log before the reboot:
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Oct 11 18:43:56 Justins-MacBook kernel[0]: USBMSC Identifier (non-unique): 1F1192FFFFFF 0x152d 0x539 0x100
Oct 11 18:43:59 Justins-MacBook kernel[0]: ZFSLabelScheme:probe: label 'zfs-media', vdev 4280818869508384004
Oct 11 18:43:59 Justins-MacBook kernel[0]: ZFSLabelScheme:start: 'zfs-media' critical mass with 1 vdev(s) (importing)
Oct 11 18:44:00 Justins-MacBook kernel[0]: zfsx_kev_importpool:'zfs-media' (6358071128368857632)
Oct 11 18:44:01 Justins-MacBook kernel[0]: ZFSLabelScheme:probe: label 'zfs-media', vdev 7814524605878006111