Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->zap_ma

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Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->zap_ma

Post by ChrisS » Sat Mar 30, 2013 2:08 pm

In the last few days, I've been experiencing frequent kernel panics, all with the same cause (see example below). Mostly the process corresponding to the current task is "kernel_task". Occasionally its something else, e.g. Mail (in below example) or Chrome.

Some details. Early 2011 MacBook Pro, OSX 10.8.3, Zevo Community Edition 1.1.1. Initially 8GB / Finally 16GB. Second disk, zfs volume (created may 2012).
Main user account is on the zfs volume. Admin account on boot volume.

When issue first occurred, zfs volume would have been ~95% full and had been over 90% full for maybe a week.

It all started last Wed (27/Mar), The Iaptop was operating so slowly as to be unworkable, I switched it off by holding the power button in. On restarting, about 10 seconds after logging in, it crashed. And then again and again. Eventually, I restarted in safe mode and logged into the admin account. The kernel panic output showed zfs as culprit.

I reinstalled zevo, downloading a fresh copy. Restarted. Zfs volume was not recognised. Reinstalled again and restarted. Disk recognised and mounted.
I took some remedial actions - send current snapshot to external disk and run scrub. No panics for the 16 odd hours the scrub took to complete. Scrub result, no errors. A Kernel panic occurred very soon after the scrub completed. Another cycle of reboot, login, kernel panic in 5-10 seconds.

Reinstall seem to fix it before, so reinstall again. Same issue, one reinstall zfs volume not recognised. This time I noticed that I'm installing 1.1. So instead of a second install, I did an upgrade to 1.1.1. As before, that cures the problem with kernel panics immediately after login.

I destroyed some old snapshots to increase freespace to ~30%. Note, "zfs list -t snapshot" took a long time to complete, maybe 20 minutes. Shortly after another kernel panic and into the old cycle of a new kernel panic very shortly after login.

[ At this point, I installed a new boot volume and increase the laptop ram - the new disk had been ordered before the first incident but arrived after it, and was the planned relief from the storage space shortage ]

The new disk was given a clean install of 10.8.3. At this time there are no user accounts on the zfs disk. And no software has been pointed at the zfs volume. However, still from time to time, there are kernel panics. There is nothing to suggest the panics are associated with any particular user activity.

I'm about to wipe the second disk and restart with a fresh zfs volume and copy the files back from an external source. If the panics continue after that, I'm out of ideas and I'll be back to hfs+.

I have lots more kernel panics, they all seem pretty similar to this one, if they are of use to anyone.

Code: Select all
Interval Since Last Panic Report:  9653 sec
Panics Since Last Report:          12
Anonymous UUID:                    395DE272-8B2E-0AF4-BBA2-0B6E0F5033C3

Sat Mar 30 13:33:40 2013
panic(cpu 0 caller 0xffffff7fae3a41ed): "/staging/zevo/src/uts/common/fs/zfs/zap.c:578 ZFS assertion failed: zap->zap_u.zap_fat.zap_phys->zap_magic == 0x2F52AB2ABULL (0x0 == 0x2f52ab2ab)"@/staging/zevo/src/uts/darwin/os/printf.c:62
Backtrace (CPU 0), Frame : Return Address
0xffffff81fedcb1c0 : 0xffffff802de1d626
0xffffff81fedcb230 : 0xffffff7fae3a41ed
0xffffff81fedcb250 : 0xffffff7fae40c802
0xffffff81fedcb2a0 : 0xffffff7fae40dfbe
0xffffff81fedcb310 : 0xffffff7fae413050
0xffffff81fedcb390 : 0xffffff7fae4149de
0xffffff81fedcb580 : 0xffffff7fae42c98b
0xffffff81fedcb5c0 : 0xffffff802df124bc
0xffffff81fedcb5f0 : 0xffffff802def0a2c
0xffffff81fedcb640 : 0xffffff802def0021
0xffffff81fedcb680 : 0xffffff802def6dd6
0xffffff81fedcb6b0 : 0xffffff802deeedae
0xffffff81fedcb770 : 0xffffff802e0eff4b
0xffffff81fedcb870 : 0xffffff802e1110a4
0xffffff81fedcb9c0 : 0xffffff802e110b79
0xffffff81fedcba10 : 0xffffff802df10b08
0xffffff81fedcba70 : 0xffffff802def3203
0xffffff81fedcbae0 : 0xffffff802df07e42
0xffffff81fedcbb90 : 0xffffff802defab49
0xffffff81fedcbc40 : 0xffffff802defb314
0xffffff81fedcbf50 : 0xffffff802e1e063a
0xffffff81fedcbfb0 : 0xffffff802decdd23
      Kernel Extensions in backtrace:
         com.getgreenbytes.filesystem.zfs(2012.9.23)[04497DBB-8849-31D8-8496-BE10E5711C53]@0xffffff7fae399000->0xffffff7fae533fff
            dependency: com.apple.iokit.IOStorageFamily(1.8)[5BA4CD36-E96D-3A9E-ADFF-A863BBD63BC7]@0xffffff7fae36c000

BSD process name corresponding to current thread: Mail

Mac OS version:
12D78

Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan  6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
Kernel slide:     0x000000002dc00000
Kernel text base: 0xffffff802de00000
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)

System uptime in nanoseconds: 2891535335586
last loaded kext at 1065815917335: com.apple.iokit.IOSCSIMultimediaCommandsDevice   3.5.5 (addr 0xffffff7fb049e000, size 106496)
last unloaded kext at 1125850829254: com.apple.driver.AppleUSBCDC   4.1.23 (addr 0xffffff7fb0472000, size 12288)
loaded kexts:
com.github.osxfuse.filesystems.osxfusefs   2.5.5
com.getgreenbytes.driver.zfs   2012.09.14
com.getgreenbytes.filesystem.zfs   2012.09.23
at.obdev.nke.LittleSnitch   3916
com.apple.iokit.SCSITaskUserClient   3.5.5
com.apple.driver.AppleBluetoothMultitouch   75.19
com.apple.driver.AppleHWSensor   1.9.5d0
com.apple.driver.AudioAUUC   1.60
com.apple.iokit.IOBluetoothSerialManager   4.1.3f3
com.apple.filesystems.autofs   3.0
com.apple.driver.AGPM   100.12.87
com.apple.driver.AppleMikeyHIDDriver   122
com.apple.driver.AppleUpstreamUserClient   3.5.10
com.apple.kext.AMDFramebuffer   8.1.0
com.apple.driver.AppleHDA   2.3.7fc4
com.apple.driver.AppleIntelHD3000Graphics   8.1.0
com.apple.AMDRadeonAccelerator   1.0.6
com.apple.iokit.IOUserEthernet   1.0.0d1
com.apple.Dont_Steal_Mac_OS_X   7.0.0
com.apple.driver.ApplePolicyControl   3.3.0
com.apple.driver.AppleMikeyDriver   2.3.7fc4
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport   4.1.3f3
com.apple.driver.AppleSMCLMU   2.0.3d0
com.apple.driver.AppleLPC   1.6.0
com.apple.driver.AppleSMCPDRC   1.0.0
com.apple.driver.AppleMuxControl   3.3.0
com.apple.driver.AppleMCCSControl   1.1.11
com.apple.driver.AppleIntelSNBGraphicsFB   8.1.0
com.apple.driver.SMCMotionSensor   3.0.3d1
com.apple.driver.ACPI_SMC_PlatformPlugin   1.0.0
com.apple.driver.AppleUSBTCButtons   237.1
com.apple.driver.AppleUSBTCKeyboard   237.1
com.apple.driver.AppleIRController   320.15
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless   1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib   1.0.0d1
com.apple.BootCache   34
com.apple.driver.XsanFilter   404
com.apple.driver.AppleUSBHub   5.5.5
com.apple.iokit.IOAHCIBlockStorage   2.3.1
com.apple.driver.AppleSDXC   1.4.0
com.apple.iokit.AppleBCM5701Ethernet   3.6.0b1
com.apple.driver.AirPort.Brcm4331   614.20.16
com.apple.driver.AppleFWOHCI   4.9.6
com.apple.driver.AppleAHCIPort   2.5.1
com.apple.driver.AppleUSBEHCI   5.5.0
com.apple.driver.AppleEFINVRAM   1.7
com.apple.driver.AppleSmartBatteryManager   161.0.0
com.apple.driver.AppleACPIButtons   1.7
com.apple.driver.AppleRTC   1.5
com.apple.driver.AppleHPET   1.8
com.apple.driver.AppleSMBIOS   1.9
com.apple.driver.AppleACPIEC   1.7
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.iokit.IOSCSIMultimediaCommandsDevice   3.5.5
com.apple.iokit.IOBDStorageFamily   1.7
com.apple.iokit.IODVDStorageFamily   1.7.1
com.apple.iokit.IOCDStorageFamily   1.7.1
com.apple.driver.IOBluetoothHIDDriver   4.1.3f3
com.apple.driver.AppleMultitouchDriver   235.29
com.apple.iokit.IOSerialFamily   10.0.6
com.apple.kext.triggers   1.0
com.apple.driver.DspFuncLib   2.3.7fc4
com.apple.iokit.IOAcceleratorFamily   30.14
com.apple.kext.AMD6000Controller   8.1.0
com.apple.kext.AMDSupport   8.1.0
com.apple.iokit.IOSurface   86.0.4
com.apple.iokit.IOBluetoothFamily   4.1.3f3
com.apple.iokit.IOFireWireIP   2.2.5
com.apple.driver.AppleSMBusPCI   1.0.11d0
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport   4.1.3f3
com.apple.driver.AppleUSBAudio   2.9.0f6
com.apple.iokit.IOAudioFamily   1.8.9fc11
com.apple.kext.OSvKernDSPLib   1.6
com.apple.driver.AppleHDAController   2.3.7fc4
com.apple.iokit.IOHDAFamily   2.3.7fc4
com.apple.driver.AppleGraphicsControl   3.3.0
com.apple.driver.AppleBacklightExpert   1.0.4
com.apple.iokit.IONDRVSupport   2.3.7
com.apple.driver.AppleSMBusController   1.0.11d0
com.apple.iokit.IOGraphicsFamily   2.3.7
com.apple.driver.AppleSMC   3.1.4d2
com.apple.driver.IOPlatformPluginLegacy   1.0.0
com.apple.driver.IOPlatformPluginFamily   5.3.0d51
com.apple.driver.AppleUSBHIDKeyboard   170.2
com.apple.driver.AppleHIDKeyboard   170.2
com.apple.iokit.IOSCSIBlockCommandsDevice   3.5.5
com.apple.iokit.IOUSBMassStorageClass   3.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily   3.5.5
com.apple.driver.AppleThunderboltDPInAdapter   1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily   1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter   1.2.6
com.apple.driver.AppleUSBMultitouch   237.3
com.apple.iokit.IOUSBHIDDriver   5.2.5
com.apple.driver.AppleUSBMergeNub   5.5.5
com.apple.driver.AppleUSBComposite   5.2.5
com.apple.driver.AppleThunderboltNHI   1.6.3
com.apple.iokit.IOThunderboltFamily   2.2.6
com.apple.iokit.IOUSBUserClient   5.5.5
com.apple.iokit.IOEthernetAVBController   1.0.2b1
com.apple.iokit.IO80211Family   522.4
com.apple.iokit.IONetworkingFamily   3.0
com.apple.iokit.IOFireWireFamily   4.5.5
com.apple.iokit.IOAHCIFamily   2.3.1
com.apple.iokit.IOUSBFamily   5.5.5
com.apple.driver.AppleEFIRuntime   1.7
com.apple.iokit.IOHIDFamily   1.8.1
com.apple.iokit.IOSMBusFamily   1.1
com.apple.security.sandbox   220.2
com.apple.kext.AppleMatch   1.0.0d1
com.apple.security.TMSafetyNet   7
com.apple.driver.DiskImages   345
com.apple.iokit.IOStorageFamily   1.8
com.apple.driver.AppleKeyStore   28.21
com.apple.driver.AppleACPIPlatform   1.7
com.apple.iokit.IOPCIFamily   2.7.3
com.apple.iokit.IOACPIFamily   1.4
com.apple.kec.corecrypto   1.0
Model: MacBookPro8,2, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.2 GHz, 16 GB, SMC 1.69f4
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1333 MHz, 0x802C, 0x31364B544631473634485A2D314734443120
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1333 MHz, 0x802C, 0x31364B544631473634485A2D314734443120
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.16)
Bluetooth: Version 4.1.3f3 11349, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: Samsung SSD 840 PRO Series, 512.11 GB
Serial ATA Device: WDC WD7500BPKT-00PK4T0, 750.16 GB
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfa100000 / 3
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0246, 0xfa120000 / 5
USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 8
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 2
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfd100000 / 2
USB Device: hub_device, 0x0424  (SMSC), 0x2502, 0xfd120000 / 4
USB Device: USB2.0 Hub, 0x05e3  (Genesys Logic, Inc.), 0x0608, 0xfd122000 / 6
USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfd122100 / 11
USB Device: Apple Keyboard, apple_vendor_id, 0x0250, 0xfd122120 / 12
USB Device: Logitech USB Headset, 0x046d  (Logitech Inc.), 0x0a0c, 0xfd122300 / 10
USB Device: hub_device, 0x0424  (SMSC), 0x2602, 0xfd121000 / 5
USB Device: USB to Serial-ATA bridge, 0x1bcf  (Sunplus Innovation Technology Inc.), 0x0c31, 0xfd121300 / 9
USB Device: USB2.0 Printer (Hi-speed), 0x04b8  (Seiko Epson Corp.), 0x0007, 0xfd121200 / 8
USB Device: Flash Card Reader, 0x0424  (SMSC), 0x2228, 0xfd121100 / 7
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3
Last edited by ChrisS on Sun Mar 31, 2013 7:52 am, edited 1 time in total.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by grahamperrin » Sat Mar 30, 2013 10:10 pm

You might ignore some of the Mountain Lion panics that occurred with outdated version 1.1 of ZEVO Community Edition. Update 1.1.1 (Build 2012.09.23) fixed a panic that could occur when using diskutil mount command with ZEVO under 10.8.

In the forum at this time, the panic report in your opening post may be unique.

From that report:

  • Serial ATA Device: Samsung SSD 840 PRO Series, 512.11 GB
  • Serial ATA Device: WDC WD7500BPKT-00PK4T0, 750.16 GB

Which of the two is given to ZEVO – the Samsung SSD (512GB 2.5-inch SSD 840 Pro Series MZ-7PD512BW, I guess), or the Western Digital Black WD7500BPKT hard disk drive?

… increase the laptop ram …


Please run at least Apple Hardware Test (AHT) to verify that memory and other hardware components are good.

Forum hint: with the full editor, you can paste as code to improve legibility of text that should be monospaced.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by ChrisS » Sun Mar 31, 2013 7:51 am

ZFS is on the WD disk, Western Digital Black WD7500BPKT hard disk drive.

The SSD is the boot volume (hfs+). When this started, the boot volume was a smaller, 128GB SSD.

I've now erased the zfs volume (a partial erase, set to zeros with hfs+ partition using diskutil) and created a new volume and copied back all of the files I'm interested in.

Very few of the panics were with v1.1. It was only active in the period after the initial set of panics up to the second set of panics, when I realised the download wasn't the latest version.

Interesting additional information since last post.
- kernel panics are still happening, but now they only happen when the backup disk is connected. This disk is a zfs volume, and is used to receive the zfs sends from the internal disk. They happen intermittently and mostly unpredictably as I've been copying files off the disk. Attempting to eject the disk will trigger a panic.
- the external disk now causes a kernel panic when imported to an openindiana system. It didn't do this before the 'final' snapshot was sent yesterday, details below.

Code: Select all
Mar 30 22:11:59 supernova zfs: [ID 249136 kern.info] open version 28 pool ShimmerToo3 using 5000
Mar 30 22:11:59 supernova zfs: [ID 249136 kern.info] import version 28 pool ShimmerToo3 using 5000
Mar 30 22:12:00 supernova unix: [ID 836849 kern.notice]
Mar 30 22:12:00 supernova ^Mpanic[cpu0]/thread=ffffff01d6a53400:
Mar 30 22:12:00 supernova genunix: [ID 335743 kern.notice] BAD TRAP: type=e (#pf Page fault) rp=ffffff0008f16340 addr=20 occurred in module "zfs" due to a NULL pointer dereference


I'll run the AHT after completing this post. I'll also try running a scrub on the external disk followed by a rollback to the snapshot prior to "final".
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by raattgift » Sun Mar 31, 2013 8:11 am

Your dataset has been corrupted, and you should be able to replicate this particular panic by zfs send -R thatdataset | zfs receive someotherpool/newname, then accessing the latter in the same way. As you've seen, moving the pool with the corrupted dataset also panics other zfs implementations.

Your best bet would be to try zfs cloning the various snapshots, mounting them *read only*, and using rsync to copy the data out to a new dataset. (It can be in the same pool, so long as the nature of the pool is not the reason for the corruption -- for example, if your pool has no replication and is exposed to the vagaries of USB2, a frequent source of errors, or was modified on a system with marginal hardware that zfs stresses enough to be flaky.)

You *may* be able to zfs rollback to a working snapshot, but you are much better off ultimately destroying the snapshot.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by ChrisS » Sun Mar 31, 2013 2:55 pm

raattgift wrote:You *may* be able to zfs rollback to a working snapshot, but you are much better off ultimately destroying the snapshot.


Isn't rolling back destroying the problem snapshots - do you mean destroying the FS?

grahamperrin wrote:Please run at least Apple Hardware Test (AHT) to verify that memory and other hardware components are good.


AHT (short) passed. Scrub probably won't be completed for another day or so.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by royfactorial » Mon Apr 01, 2013 2:38 am

grahamperrin wrote:Please run at least Apple Hardware Test (AHT) to verify that memory and other hardware components are good.


Any time RAM issues are suspected, I always recommend running memtest or Rember in addition to AHT. I've had too many instances where AHT failed to detect bad RAM modules that were causing kernel panics.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by grahamperrin » Mon Apr 01, 2013 3:57 am

I see multiple aspects to this topic:

  1. kernel panics (opening post)
  2. types of kernel panic with ZEVO Community Edition 1.1.1 (probably a mixture in this case)
  3. reason(s) for panics before the sense of corruption
  4. corruption of a dataset
  5. reason(s) for corruption
  6. avoiding the type(s) of panic that may occur with OS X and with other OSes in the presence of this corruption
  7. reacting to this particular corruption.

Without being hands-on I'll make a wild early guess that the panics are not contributory to this corruption, that there's an underlying issue (not necessarily bad hardware) to be addressed.

We shouldn't ignore that issue but for a moment I'll skip straight to (g):

Reacting to this particular corruption

Another possibility, alongside (not necessarily before) a read-only import:

  • zpool import -X

Undocumented, so proceed with caution.

More nebulously: whilst I usually prefer FireWire to USB, I recently found that a disk/pool/dataset causing panics (within moments of dynamic import) on FireWire 800 ceased to cause panics in that way when I made a USB 2.0 connection to the same enclosure. Then after stopping the scrub, which began before the most troublesome panics, I found it accessible (without panic) on FireWire 800. That's amongst my bad hardware examples.

So as a long shot in this case I might try having the disk on a different bus of the MacBook Pro - something other than SATA. But that's a very long shot.
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Re: Frequent Kernel Panics - zap->zap_u.zap_fat.zap_phys->za

Post by ChrisS » Mon Apr 01, 2013 6:44 am

There have been 41 kernel panics. 40 all have the same trigger (as shown in the earlier post). The other one is shown below, there is no hardware profile included with it. It is from before the disk change & clean install or Mountain Lion (so same WD750GB disk containing zfs volume, but different ram (8GB) & other disk). 21 panics were before the hardware change and 20 after.

I would guess, there were no panics before the dataset corruption and the dataset corruption occurred when the machine was switched off (holding power button down).

[ scrub is still in progress ]


Code: Select all
Thu Mar 28 00:24:57 2013
panic(cpu 4 caller 0xffffff800b4b7e95): Kernel trap at 0xffffff800b499ecc, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0xffffff7f8ba68b7b, CR3: 0x000000001ea0b01e, CR4: 0x00000000000606e0
RAX: 0x0000000000000000, RBX: 0xffffff8021126fe8, RCX: 0x0000000000000000, RDX: 0x0000000000000025
RSP: 0xffffff80fc0d36c0, RBP: 0xffffff80fc0d36c0, RSI: 0xffffff80fc0d3730, RDI: 0xffffff7f8ba68b7b
R8:  0x00000000000000e8, R9:  0x0000000000000000, R10: 0x00007fff5fbff618, R11: 0x0000000000000202
R12: 0xffffff8021126c00, R13: 0xffffff801e0929e8, R14: 0xffffff8021126800, R15: 0x0000000000000000
RFL: 0x0000000000010246, RIP: 0xffffff800b499ecc, CS:  0x0000000000000008, SS:  0x0000000000000010
Fault CR2: 0xffffff7f8ba68b7b, Error code: 0x0000000000000003, Fault CPU: 0x4

Backtrace (CPU 4), Frame : Return Address
0xffffff80fc0d3360 : 0xffffff800b41d626
0xffffff80fc0d33d0 : 0xffffff800b4b7e95
0xffffff80fc0d35a0 : 0xffffff800b4cd4dd
0xffffff80fc0d35c0 : 0xffffff800b499ecc
0xffffff80fc0d36c0 : 0xffffff7f8ba2826c
0xffffff80fc0d3790 : 0xffffff800b4f7aee
0xffffff80fc0d3ae0 : 0xffffff800b4f87fa
0xffffff80fc0d3f10 : 0xffffff800b4f7fd9
0xffffff80fc0d3f50 : 0xffffff800b7e063a
0xffffff80fc0d3fb0 : 0xffffff800b4cdd23
      Kernel Extensions in backtrace:
         com.getgreenbytes.filesystem.zfs(2012.9.14)[8241F82D-269B-30AD-86AB-AB7C3D520F2B]@0xffffff7f8b999000->0xffffff7f8bb35fff
            dependency: com.apple.iokit.IOStorageFamily(1.8)[5BA4CD36-E96D-3A9E-ADFF-A863BBD63BC7]@0xffffff7f8b96c000

BSD process name corresponding to current thread: mount_zfs

Mac OS version:
12D78

Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan  6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
Kernel slide:     0x000000000b200000
Kernel text base: 0xffffff800b400000
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)

System uptime in nanoseconds: 14350895083
last loaded kext at 14257664976: org.virtualbox.kext.VBoxNetAdp   4.2.4 (addr 0xffffff7f8d9a9000, size 28672)
loaded kexts:
org.virtualbox.kext.VBoxNetAdp   4.2.4
org.virtualbox.kext.VBoxNetFlt   4.2.4
org.virtualbox.kext.VBoxUSB   4.2.4
org.virtualbox.kext.VBoxDrv   4.2.4
com.getgreenbytes.driver.zfs   2012.09.14
com.getgreenbytes.filesystem.zfs   2012.09.14
at.obdev.nke.LittleSnitch   3908
com.apple.driver.AppleBluetoothMultitouch   75.19
com.apple.driver.AppleHWSensor   1.9.5d0
com.apple.filesystems.autofs   3.0
com.apple.driver.AudioAUUC   1.60
com.apple.driver.AppleHDAHardwareConfigDriver   2.3.7fc4
com.apple.driver.AppleMikeyHIDDriver   122
com.apple.iokit.IOBluetoothSerialManager   4.1.3f3
com.apple.driver.AppleHDA   2.3.7fc4
com.apple.driver.AppleTyMCEDriver   1.0.2d2
com.apple.driver.AGPM   100.12.87
com.apple.driver.AppleSMCPDRC   1.0.0
com.apple.driver.SMCMotionSensor   3.0.3d1
com.apple.driver.AppleMikeyDriver   2.3.7fc4
com.apple.driver.AppleUpstreamUserClient   3.5.10
com.apple.kext.AMDFramebuffer   8.1.0
com.apple.iokit.IOUserEthernet   1.0.0d1
com.apple.AMDRadeonAccelerator   1.0.6
com.apple.driver.AppleMuxControl   3.3.0
com.apple.Dont_Steal_Mac_OS_X   7.0.0
com.apple.iokit.IOBluetoothUSBDFU   4.1.3f3
com.apple.driver.AppleSMCLMU   2.0.3d0
com.apple.driver.AppleBacklight   170.2.5
com.apple.driver.ApplePolicyControl   3.3.0
com.apple.driver.AppleIntelHD3000Graphics   8.1.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport   4.1.3f3
com.apple.driver.AppleMCCSControl   1.1.11
com.apple.driver.AppleIntelSNBGraphicsFB   8.1.0
com.apple.driver.AppleLPC   1.6.0
com.apple.driver.ACPI_SMC_PlatformPlugin   1.0.0
com.apple.iokit.SCSITaskUserClient   3.5.5
com.apple.driver.AppleUSBTCButtons   237.1
com.apple.driver.AppleUSBTCKeyEventDriver   237.1
com.apple.driver.AppleUSBTCKeyboard   237.1
com.apple.driver.AppleIRController   320.15
com.apple.driver.AppleFileSystemDriver   3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless   1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib   1.0.0d1
com.apple.BootCache   34
com.apple.driver.XsanFilter   404
com.apple.driver.AppleUSBHub   5.5.5
com.apple.iokit.IOAHCIBlockStorage   2.3.1
com.apple.driver.AppleSDXC   1.4.0
com.apple.iokit.AppleBCM5701Ethernet   3.6.0b1
com.apple.driver.AppleFWOHCI   4.9.6
com.apple.driver.AirPort.Brcm4331   614.20.16
com.apple.driver.AppleAHCIPort   2.5.1
com.apple.driver.AppleUSBEHCI   5.5.0
com.apple.driver.AppleUSBUHCI   5.2.5
com.apple.driver.AppleEFINVRAM   1.7
com.apple.driver.AppleSmartBatteryManager   161.0.0
com.apple.driver.AppleACPIButtons   1.7
com.apple.driver.AppleRTC   1.5
com.apple.driver.AppleHPET   1.8
com.apple.driver.AppleSMBIOS   1.9
com.apple.driver.AppleACPIEC   1.7
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.driver.IOBluetoothHIDDriver   4.1.3f3
com.apple.driver.AppleMultitouchDriver   235.29
com.apple.kext.triggers   1.0
com.apple.iokit.IOSerialFamily   10.0.6
com.apple.driver.DspFuncLib   2.3.7fc4
com.apple.driver.AppleUSBAudio   2.9.0f6
com.apple.iokit.IOAudioFamily   1.8.9fc11
com.apple.kext.OSvKernDSPLib   1.6
com.apple.iokit.IOSurface   86.0.4
com.apple.iokit.IOBluetoothFamily   4.1.3f3
com.apple.iokit.IOAcceleratorFamily   30.14
com.apple.driver.AppleBacklightExpert   1.0.4
com.apple.driver.AppleGraphicsControl   3.3.0
com.apple.kext.AMD6000Controller   8.1.0
com.apple.kext.AMDSupport   8.1.0
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport   4.1.3f3
com.apple.driver.AppleSMBusPCI   1.0.11d0
com.apple.driver.AppleThunderboltEDMSink   1.1.8
com.apple.driver.AppleThunderboltEDMSource   1.1.8
com.apple.driver.AppleThunderboltDPOutAdapter   1.8.9
com.apple.driver.AppleSMBusController   1.0.11d0
com.apple.iokit.IOFireWireIP   2.2.5
com.apple.iokit.IONDRVSupport   2.3.7
com.apple.driver.AppleHDAController   2.3.7fc4
com.apple.iokit.IOGraphicsFamily   2.3.7
com.apple.iokit.IOHDAFamily   2.3.7fc4
com.apple.driver.AppleSMC   3.1.4d2
com.apple.driver.IOPlatformPluginLegacy   1.0.0
com.apple.driver.IOPlatformPluginFamily   5.3.0d51
com.apple.driver.AppleUSBHIDKeyboard   170.2
com.apple.driver.AppleHIDKeyboard   170.2
com.apple.iokit.IOSCSIBlockCommandsDevice   3.5.5
com.apple.iokit.IOUSBMassStorageClass   3.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily   3.5.5
com.apple.driver.AppleUSBMultitouch   237.3
com.apple.driver.AppleThunderboltDPInAdapter   1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily   1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter   1.2.6
com.apple.iokit.IOUSBHIDDriver   5.2.5
com.apple.driver.AppleUSBMergeNub   5.5.5
com.apple.driver.AppleUSBComposite   5.2.5
com.apple.driver.AppleThunderboltNHI   1.6.3
com.apple.iokit.IOThunderboltFamily   2.2.6
com.apple.iokit.IOUSBUserClient   5.5.5
com.apple.iokit.IOEthernetAVBController   1.0.2b1
com.apple.iokit.IOFireWireFamily   4.5.5
com.apple.iokit.IO80211Family   522.4
com.apple.iokit.IONetworkingFamily   3.0
com.apple.iokit.IOAHCIFamily   2.3.1
com.apple.iokit.IOUSBFamily   5.5.5
com.apple.driver.AppleEFIRuntime   1.7
com.apple.iokit.IOHIDFamily   1.8.1
com.apple.iokit.IOSMBusFamily   1.1
com.apple.security.sandbox   220.2
com.apple.kext.AppleMatch   1.0.0d1
com.apple.security.TMSafetyNet   7
com.apple.driver.DiskImages   345
com.apple.iokit.IOStorageFamily   1.8
com.apple.driver.AppleKeyStore   28.21
com.apple.driver.AppleACPIPlatform   1.7
com.apple.iokit.IOPCIFamily   2.7.3
com.apple.iokit.IOACPIFamily   1.4
com.apple.kec.corecrypto   1.0
ChrisS Offline


 
Posts: 6
Joined: Sat Oct 13, 2012 8:11 am

Links and thoughts

Post by grahamperrin » Mon Apr 01, 2013 11:14 am

BSD process name corresponding to current thread: mount_zfs

That (Thursday) 2013-03-28 00:24:57 panic report was for the outdated version 1.1 of ZEVO. Not discounting the value of the report, just observing.

BSD process name corresponding to current thread: mount_zfs
is found in very few other topics. Notably:


E) reason(s) for corruption

For a pool that comprises a single internal disk (or a slice thereof) on SATA: considering the COW nature of ZFS, I doubt that simply forcing a stop of the Mac could cause or contribute to corruption. But I keep an open mind.
grahamperrin Offline

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Posts: 1596
Joined: Fri Sep 14, 2012 10:21 pm
Location: Brighton and Hove, United Kingdom

Re: Links and thoughts

Post by ChrisS » Mon Apr 01, 2013 12:52 pm

grahamperrin wrote:[That (Thursday) 2013-03-28 00:24:57 panic report was for the outdated version 1.1 of ZEVO. Not discounting the value of the report, just observing.


Lets discount it. Its an outlier and not the main issue. :)
ChrisS Offline


 
Posts: 6
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