zfs
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Published
20 hours ago •
openzfsonosx
openzfsonosx
zfs unresponsive upon removing cache
zfs -V
zfs-1.9.0-1
zfs-kmod-1.9.0-1
brew cask info openzfs
openzfs: 1.9.0,18
https://openzfsonosx.org/
/usr/local/Caskroom/openzfs/1.9.0,18 (19 files, 60.1MB)
From: https://github.com/Homebrew/homebrew-cask/blob/master/Casks/openzfs.rb
==> Name
OpenZFS on OS X
==> Artifacts
OpenZFS on OS X 1.9.0 High Sierra.pkg (Pkg)
disk images without partitioning schema via device names
ZFS_POOL_NAME=ZFS_POOL_IMG
hdiutil create -size 5g -volname ${ZFS_POOL_NAME}_00 -type SPARSE -layout NONE ${ZFS_POOL_NAME}_00
hdiutil create -size 5g -volname ${ZFS_POOL_NAME}_01 -type SPARSE -layout NONE ${ZFS_POOL_NAME}_01
hdiutil create -size 5g -volname ${ZFS_POOL_NAME}_02 -type SPARSE -layout NONE ${ZFS_POOL_NAME}_02
hdiutil create -size 5g -volname ${ZFS_POOL_NAME}_03 -type SPARSE -layout NONE ${ZFS_POOL_NAME}_03
attach images and create pool
ZFS_POOL_DEV_00=`hdiutil attach -nomount ${ZFS_POOL_NAME}_00.sparseimage`
ZFS_POOL_DEV_01=`hdiutil attach -nomount ${ZFS_POOL_NAME}_01.sparseimage`
ZFS_POOL_DEV_02=`hdiutil attach -nomount ${ZFS_POOL_NAME}_02.sparseimage`
ZFS_POOL_DEV_03=`hdiutil attach -nomount ${ZFS_POOL_NAME}_03.sparseimage`
sudo zpool create -f -m /Volumes/${ZFS_POOL_NAME} ${ZFS_POOL_NAME} raidz ${ZFS_POOL_DEV_00} ${ZFS_POOL_DEV_01} ${ZFS_POOL_DEV_02} ${ZFS_POOL_DEV_03}
try to prevent spotlight from doing it's thing
sudo touch /Volumes/${ZFS_POOL_NAME}/.metadata_never_index
ram drive cache
ZFS_POOL_DEV_CACHE=`hdiutil attach -nomount ram://8388608`
zpool add -f ${ZFS_POOL_NAME} cache ${ZFS_POOL_DEV_CACHE}
unplug
sudo zpool export $ZFS_POOL_NAME
hdiutil detach ${ZFS_POOL_DEV_00}
hdiutil detach ${ZFS_POOL_DEV_01}
hdiutil detach ${ZFS_POOL_DEV_02}
hdiutil detach ${ZFS_POOL_DEV_03}
hdiutil detach ${ZFS_POOL_DEV_CACHE}
remount
ZFS_POOL_DEV_00=`hdiutil attach -nomount ${ZFS_POOL_NAME}_00.sparseimage`
ZFS_POOL_DEV_01=`hdiutil attach -nomount ${ZFS_POOL_NAME}_01.sparseimage`
ZFS_POOL_DEV_02=`hdiutil attach -nomount ${ZFS_POOL_NAME}_02.sparseimage`
ZFS_POOL_DEV_03=`hdiutil attach -nomount ${ZFS_POOL_NAME}_03.sparseimage`
ZFS_POOL_DEV_CACHE=`hdiutil attach -nomount ram://8388608`
sudo zpool import -d /dev ${ZFS_POOL_NAME}
remove cache
zpool remove $ZFS_POOL_NAME ${ZFS_POOL_DEV_CACHE}
zfs now unresponsive (never returns from remove command)
log stream --source --predicate 'senderImagePath CONTAINS "zfs"'
Filtering the log data using "senderImagePath CONTAINS "zfs""
Timestamp Thread Type Activity PID TTL
2019-10-23 08:37:06.375500+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:38:23.827436+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 7610368
2019-10-23 08:38:29.325241+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 9707520
2019-10-23 08:38:32.128586+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 7602176
2019-10-23 08:39:47.670499+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 16293888
2019-10-23 08:40:00.558575+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 14327808
2019-10-23 08:40:03.303979+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> SPL: arc_reclaim_thread: post-reap <private> post-evict 0 adjusted 0 pre-adjust 4378624 to-free 122404864 pressure 131072
2019-10-23 08:40:03.565222+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:40:13.356035+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 11001856
2019-10-23 08:40:15.306013+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:40:21.818764+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 13926400
2019-10-23 08:40:37.177306+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:40:49.129855+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:40:50.636354+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 851968
2019-10-23 08:40:53.380819+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 5484544
2019-10-23 08:41:01.489544+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:05.039429+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:19.146047+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 2650112
2019-10-23 08:41:27.038579+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:29.552880+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:34.502251+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:35.297931+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:40.992681+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:41.999290+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc growtime expired
2019-10-23 08:41:58.255714+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 7426272
2019-10-23 08:42:24.966011+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 7421952
2019-10-23 08:42:49.160744+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 11325440
2019-10-23 08:43:09.975501+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 2781184
2019-10-23 08:43:40.010961+0000 0x20117e Default 0x0 0 <zfs`arc_reclaim_thread> ZFS: arc_reclaim_thread, (old_)to_free has returned to zero from 268435456
Run spindump when it has gone unresponsive, so we can see all the stacks and where they are
Entire system is kind of unresponsive, spindump also locks up
I was able to use Activity Monitor to sample the zfs and zpool processes ouputting something resembling a stack trace
Sampling process 28931 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling zfs (pid 28931) every 1 millisecond
Process: zfs [28931]
Path: /usr/local/bin/zfs
Load Address: 0x108444000
Identifier: zfs
Version: 0
Code Type: X86-64
Parent Process: bash [7619]
Date/Time: 2019-10-23 11:14:42.411 +0200
Launch Time: 2019-10-23 10:47:38.510 +0200
OS Version: Mac OS X 10.13.6 (17G8037)
Report Version: 7
Analysis Tool: /usr/bin/sample
Physical footprint: 1160K
Physical footprint (peak): 1160K
----
Call graph:
2775 Thread_3473545 DispatchQueue_1: com.apple.main-thread (serial)
2775 start (in libdyld.dylib) + 1 [0x7fff66663015]
2775 main (in zfs) + 2008 [0x1084464ef]
2775 zfs_do_list (in zfs) + 677 [0x108449307]
2775 zfs_for_each (in zfs) + 460 [0x10844544b]
2775 zfs_iter_root (in libzfs.2.dylib) + 28 [0x108811fe3]
2775 namespace_reload (in libzfs.2.dylib) + 129 [0x108811cdf]
2775 zfs_ioctl (in libzfs.2.dylib) + 55 [0x108838cd5]
2775 ioctl (in libsystem_kernel.dylib) + 151 [0x7fff667ad4eb]
2775 __ioctl (in libsystem_kernel.dylib) + 10 [0x7fff667b33fa]
Total number in stack (recursive counted multiple, when >=5):
Sort by top of stack, same collapsed (when >= 5):
__ioctl (in libsystem_kernel.dylib) 2775
Binary Images:
0x108444000 - 0x108456fff +zfs (0) <C6E73E86-5916-3061-9077-6886EDF33F50> /usr/local/bin/zfs
0x108469000 - 0x108474fff +libnvpair.1.dylib (0) <7CA2EACE-A919-35AE-866E-16E595376714> /usr/local/lib/libnvpair.1.dylib
0x10848c000 - 0x10849fff7 +libuutil.1.dylib (0) <38177B5B-F4C7-3F6E-AA7E-42CE44437EE8> /usr/local/lib/libuutil.1.dylib
0x1084be000 - 0x10862afe3 +libzpool.1.dylib (0) <0B6180AA-AF77-3DD4-B9D8-B11F389BFD49> /usr/local/lib/libzpool.1.dylib
0x10880f000 - 0x108847ff7 +libzfs.2.dylib (0) <6CBC3221-8CE3-3431-91B4-027CA52574EA> /usr/local/lib/libzfs.2.dylib
0x108866000 - 0x108868fff +libzfs_core.1.dylib (0) <36F1BC6D-4A68-30C3-8374-358577C3A2BC> /usr/local/lib/libzfs_core.1.dylib
0x11478f000 - 0x1147d9acf dyld (551.5) <30B355CB-35BA-3112-AA76-4E46CD45F699> /usr/lib/dyld
0x7fff3a8f0000 - 0x7fff3a8f0fff com.apple.Accelerate (1.11 - Accelerate 1.11) <2EF00EFE-06E8-3082-85C3-2988B422A19D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff3a909000 - 0x7fff3b057ffb com.apple.vImage (8.1 - ???) <56C275C1-459F-37CD-BF29-2E6D81C29E53> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x7fff3b058000 - 0x7fff3b1f8ff3 libBLAS.dylib (1211.50.2) <93259222-2D94-333D-A1EB-09C6FC4A64B4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x7fff3b1f9000 - 0x7fff3b233fef libBNNS.dylib (38.1) <0AAE0109-71D5-3B26-8401-3E62DDF97624> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
0x7fff3b234000 - 0x7fff3b60dff7 libLAPACK.dylib (1211.50.2) <70781D0B-AEAD-33EB-9900-10DC30F37D61> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x7fff3b60e000 - 0x7fff3b624ff7 libLinearAlgebra.dylib (1211.50.2) <FB5A35EA-D636-3D69-AB53-B67E1EB8134C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
0x7fff3b625000 - 0x7fff3b62aff3 libQuadrature.dylib (3) <3D6BF66A-55B2-3692-BAC7-DEB0C676ED29> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
0x7fff3b62b000 - 0x7fff3b6abfff libSparse.dylib (79.50.2) <0DC25CDD-F8C1-3D6E-B472-8B060708424F> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
0x7fff3b6ac000 - 0x7fff3b6beff7 libSparseBLAS.dylib (1211.50.2) <994A7D7E-FA3B-3943-A59C-8150B9AF86BE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
0x7fff3b6bf000 - 0x7fff3b832fe7 libvDSP.dylib (622.50.5) <4BF310F4-31A3-3DA5-80E4-7F8014AD380B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x7fff3b833000 - 0x7fff3b8e9fef libvMisc.dylib (622.50.5) <88143A88-4FDE-35A1-85FE-54FF0C2A9E43> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x7fff3b8ea000 - 0x7fff3b8eafff com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <880DEF40-389A-3F56-ACA1-B62A5BC57E59> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x7fff3bbde000 - 0x7fff3ca3cfff com.apple.AppKit (6.9 - 1561.61.100) <CC73A456-8FC5-38DA-B296-449A70FE3B3A> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x7fff3ca8e000 - 0x7fff3ca8efff com.apple.ApplicationServices (48 - 50) <63B0C61F-CFE8-3884-853F-E6FB6CD84A44> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x7fff3ca8f000 - 0x7fff3caf5fff com.apple.ApplicationServices.ATS (377 - 445.5) <703CE7E4-426A-35C0-A229-F140F30F5340> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x7fff3cb8e000 - 0x7fff3ccb0fff libFontParser.dylib (222.1.7) <9C4CEFB4-0F08-3B60-BD50-0120A37F6EA2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
0x7fff3ccb1000 - 0x7fff3ccfbff7 libFontRegistry.dylib (221.5) <8F68EA59-C8EE-3FA3-BD19-0F1A58441440> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
0x7fff3ce3d000 - 0x7fff3ce41ff3 com.apple.ColorSyncLegacy (4.13.0 - 1) <A5FB2694-1559-34A8-A3D3-2029F68A63CA> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy
0x7fff3cee1000 - 0x7fff3cf33ffb com.apple.HIServices (1.22 - 625) <78A1FB4F-A39C-3159-B285-600C997335FB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
0x7fff3cf34000 - 0x7fff3cf42fff com.apple.LangAnalysis (1.7.0 - 1.7.0) <B65FF7E6-E9B5-34D8-8CA7-63D415A8A9A6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
0x7fff3cf43000 - 0x7fff3cf8ffff com.apple.print.framework.PrintCore (13.4 - 503.2) <B90C67C1-0292-3CEC-885D-F1882CD104BE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
0x7fff3cf90000 - 0x7fff3cfcafff com.apple.QD (3.12 - 404.2) <38B20AFF-9D54-3B52-A6DC-C0D71380AA5F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
0x7fff3cfcb000 - 0x7fff3cfd7fff com.apple.speech.synthesis.framework (7.8.1 - 7.8.1) <A08DE016-C8F2-3B0E-BD34-15959D13DBF0> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x7fff3cfd8000 - 0x7fff3d266ff7 com.apple.audio.toolbox.AudioToolbox (1.14 - 1.14) <E0B8B5D8-80A0-308B-ABD6-F8612102B5D8> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x7fff3d268000 - 0x7fff3d268fff com.apple.audio.units.AudioUnit (1.14 - 1.14) <ABF8778E-4F9D-305E-A528-DE406A1A2B68> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x7fff3d58b000 - 0x7fff3d926ff7 com.apple.CFNetwork (902.3.1 - 902.3.1) <4C012538-BB8A-32F3-AACA-011092BEFAB1> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x7fff3d940000 - 0x7fff3dc45fff com.apple.HIToolbox (2.1.1 - 911.10) <BF7F9C0E-C732-3FB2-9BBC-362888BDA57B> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
0x7fff3dc50000 - 0x7fff3dce5ffb com.apple.ink.framework (10.9 - 221) <5206C8B0-22DA-36C9-998E-846EDB626D5B> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
0x7fff3dd26000 - 0x7fff3dd2cfff com.apple.speech.recognition.framework (6.0.3 - 6.0.3) <2ED8643D-B0C3-3F17-82A2-BBF13E6CBABC> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
0x7fff3de5b000 - 0x7fff3df14fff com.apple.ColorSync (4.13.0 - 3325) <D283C285-447D-3258-A7E4-59532123B8FF> /System/Library/Frameworks/ColorSync.framework/Versions/A/ColorSync
0x7fff3e0a1000 - 0x7fff3e134ff7 com.apple.audio.CoreAudio (4.3.0 - 4.3.0) <EB35D3EC-56EA-33E6-98DC-BDC3A5FA8ACE> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x7fff3e19b000 - 0x7fff3e1c4ffb com.apple.CoreBluetooth (1.0 - 1) <E1335074-9D07-370E-8440-61C4874BAC56> /System/Library/Frameworks/CoreBluetooth.framework/Versions/A/CoreBluetooth
0x7fff3e1c5000 - 0x7fff3e529ff3 com.apple.CoreData (120 - 851) <8D605466-8676-3D45-9A4B-8980971551C3> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x7fff3e52a000 - 0x7fff3e60dfff com.apple.CoreDisplay (99.14 - 99.14) <A1B91ADD-828D-33A0-8A92-CC3F83DF89D0> /System/Library/Frameworks/CoreDisplay.framework/Versions/A/CoreDisplay
0x7fff3e60e000 - 0x7fff3eaaafff com.apple.CoreFoundation (6.9 - 1455.11) <EA9F0BF7-6A1F-36C9-A42E-6DE3DBCD99BD> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7fff3eaac000 - 0x7fff3f0daff7 com.apple.CoreGraphics (2.0 - 1161.21.2) <703FBD9C-F88A-3820-A322-49B9C765715D> /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
0x7fff3f0dc000 - 0x7fff3f3cbfff com.apple.CoreImage (13.0.0 - 579.5) <AAE2DFD0-9B0A-3D56-8A3E-C460BAF70394> /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage
0x7fff3f7a0000 - 0x7fff3f7a0fff com.apple.CoreServices (822.37 - 822.37) <C7BB281A-16A2-321A-90F4-B970278D9C2A> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x7fff3f7a1000 - 0x7fff3f815ffb com.apple.AE (735.2 - 735.2) <690A6F47-1306-371F-B257-783D8F83EA9E> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
0x7fff3f816000 - 0x7fff3faedfff com.apple.CoreServices.CarbonCore (1178.4.2 - 1178.4.2) <08AF7B7B-219B-3957-86CE-C96B423C823C> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x7fff3faee000 - 0x7fff3fb22fff com.apple.DictionaryServices (1.2 - 284.2) <6505B075-41C3-3C62-A4C3-85CE3F6825CD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x7fff3fb23000 - 0x7fff3fb2bffb com.apple.CoreServices.FSEvents (1239.50.1 - 1239.50.1) <3637CEC7-DF0E-320E-9634-44A442925C65> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents
0x7fff3fb2c000 - 0x7fff3fceaff7 com.apple.LaunchServices (822.37 - 822.37) <6AA93307-220A-3417-BBC2-FE1C0DE0B652> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
0x7fff3fceb000 - 0x7fff3fd9bfff com.apple.Metadata (10.7.0 - 1191.7) <3DD530A7-E104-3469-98BB-20449834B2FE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x7fff3fd9c000 - 0x7fff3fdfcfff com.apple.CoreServices.OSServices (822.37 - 822.37) <4AD2FC98-C6CB-392A-A22F-196A723D7FAE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
0x7fff3fdfd000 - 0x7fff3fe6bfff com.apple.SearchKit (1.4.0 - 1.4.0) <3662545A-B1CF-3079-BDCD-C83855CEFEEE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
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0x7fff63f88000 - 0x7fff63f89ff3 libDiagnosticMessagesClient.dylib (104) <9712E980-76EE-3A89-AEA6-DF4BAF5C0574> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fff63fc0000 - 0x7fff6418aff3 libFosl_dynamic.dylib (17.8) <C58ED77A-4986-31C2-994C-34DDFB8106F0> /usr/lib/libFosl_dynamic.dylib
0x7fff641c2000 - 0x7fff641c2fff libOpenScriptingUtil.dylib (174) <610F0242-7CE5-3C86-951B-B646562694AF> /usr/lib/libOpenScriptingUtil.dylib
0x7fff642f9000 - 0x7fff642fdffb libScreenReader.dylib (562.18.5) <0FEFDAC8-0FDF-38A0-AB88-A84E0DBA058F> /usr/lib/libScreenReader.dylib
0x7fff642fe000 - 0x7fff642ffffb libSystem.B.dylib (1252.50.4) <C084DB19-08B8-322B-9344-67F2970929DA> /usr/lib/libSystem.B.dylib
0x7fff64392000 - 0x7fff64392fff libapple_crypto.dylib (109.50.14) <48BA2E76-BF2F-3522-A54E-D7FB7EAF7A57> /usr/lib/libapple_crypto.dylib
0x7fff64393000 - 0x7fff643a9ff7 libapple_nghttp2.dylib (1.24) <01402BC4-4822-3676-9C80-50D83F816424> /usr/lib/libapple_nghttp2.dylib
0x7fff643aa000 - 0x7fff643d4ff3 libarchive.2.dylib (54) <8FC28DD8-E315-3C3E-95FE-D1D2CBE49888> /usr/lib/libarchive.2.dylib
0x7fff643d5000 - 0x7fff644d8fe7 libate.dylib (1.13.1) <DABEA1B1-806C-34C9-8AFF-DEB6AB2829E3> /usr/lib/libate.dylib
0x7fff644dc000 - 0x7fff644dcff3 libauto.dylib (187) <A05C7900-F8C7-3E75-8D3F-909B40C19717> /usr/lib/libauto.dylib
0x7fff644dd000 - 0x7fff64595ff3 libboringssl.dylib (109.50.14) <E6813F87-B5E4-3F7F-A725-E6A7F2BD02EC> /usr/lib/libboringssl.dylib
0x7fff64596000 - 0x7fff645a6ff3 libbsm.0.dylib (39) <6BC96A72-AFBE-34FD-91B1-748A530D8AE6> /usr/lib/libbsm.0.dylib
0x7fff645a7000 - 0x7fff645b4ffb libbz2.1.0.dylib (38) <0A5086BB-4724-3C14-979D-5AD4F26B5B45> /usr/lib/libbz2.1.0.dylib
0x7fff645b5000 - 0x7fff6460bfff libc++.1.dylib (400.9) <7D3DACCC-3804-393C-ABC1-1A580FD00CB6> /usr/lib/libc++.1.dylib
0x7fff6460c000 - 0x7fff64630ff7 libc++abi.dylib (400.8.2) <EF5E37D7-11D9-3530-BE45-B986612D13E2> /usr/lib/libc++abi.dylib
0x7fff64632000 - 0x7fff64642fff libcmph.dylib (6) <890DEC4C-4334-393C-8B56-7C8560BBED9D> /usr/lib/libcmph.dylib
0x7fff64643000 - 0x7fff6465afd3 libcompression.dylib (47.60.2) <CC7ACB0A-49CD-3564-978F-49F843186F27> /usr/lib/libcompression.dylib
0x7fff64905000 - 0x7fff6491dff7 libcoretls.dylib (155.50.1) <D350052E-DC4D-3185-ADBA-BA48EDCEE955> /usr/lib/libcoretls.dylib
0x7fff6491e000 - 0x7fff6491fff3 libcoretls_cfhelpers.dylib (155.50.1) <B297F5D8-F2FE-3566-A752-E9D998B9C039> /usr/lib/libcoretls_cfhelpers.dylib
0x7fff64df0000 - 0x7fff64e45ff3 libcups.2.dylib (462.2.7) <46179788-4363-38B2-9204-E8AC8123D899> /usr/lib/libcups.2.dylib
0x7fff64f85000 - 0x7fff64f85fff libenergytrace.dylib (16) <A92AB8B8-B986-3CE6-980D-D55090FEF387> /usr/lib/libenergytrace.dylib
0x7fff64fbc000 - 0x7fff64fc1ff3 libheimdal-asn1.dylib (520.50.9) <EF65C17E-31CD-31DC-876C-BF3EF393099C> /usr/lib/libheimdal-asn1.dylib
0x7fff64fed000 - 0x7fff650deff7 libiconv.2.dylib (51.50.1) <2FEC9707-3FAF-3828-A50D-8605086D060F> /usr/lib/libiconv.2.dylib
0x7fff650df000 - 0x7fff65306ffb libicucore.A.dylib (59181.0.1) <2CE6205F-D375-3BF5-AA0A-3254BC4773D0> /usr/lib/libicucore.A.dylib
0x7fff65353000 - 0x7fff65354fff liblangid.dylib (128) <39C39393-0D05-301D-93B2-F224FC4949AA> /usr/lib/liblangid.dylib
0x7fff65355000 - 0x7fff6536effb liblzma.5.dylib (10) <3D419A50-961F-37D2-8A01-3DC7AB7B8D18> /usr/lib/liblzma.5.dylib
0x7fff6536f000 - 0x7fff65385ff7 libmarisa.dylib (9) <D6D2D55D-1D2E-3442-B152-B18803C0ABB4> /usr/lib/libmarisa.dylib
0x7fff65436000 - 0x7fff6565eff7 libmecabra.dylib (779.7.6) <F462F170-E872-3D09-B219-973D5E99C09F> /usr/lib/libmecabra.dylib
0x7fff65836000 - 0x7fff659b1fff libnetwork.dylib (1229.70.2) <E185D902-AC7F-3044-87C0-AE2887C59CE7> /usr/lib/libnetwork.dylib
0x7fff65a38000 - 0x7fff65e293b7 libobjc.A.dylib (723) <BEEA51E2-1C4D-3672-87F6-F267B4AC6221> /usr/lib/libobjc.A.dylib
0x7fff65e3c000 - 0x7fff65e40fff libpam.2.dylib (22) <7B4D2CE2-1438-387A-9802-5CEEFBF26F86> /usr/lib/libpam.2.dylib
0x7fff65e43000 - 0x7fff65e77fff libpcap.A.dylib (79.20.1) <FA13918B-A247-3181-B256-9B852C7BA316> /usr/lib/libpcap.A.dylib
0x7fff65ef6000 - 0x7fff65f12ffb libresolv.9.dylib (65) <E8F3415B-4472-3202-8901-41FD87981DB2> /usr/lib/libresolv.9.dylib
0x7fff65f63000 - 0x7fff660f0ff7 libsqlite3.dylib (274.8.1) <B70A2908-E0F7-364E-952A-1D2D19787B89> /usr/lib/libsqlite3.dylib
0x7fff662c4000 - 0x7fff66324ff3 libusrtcp.dylib (1229.70.2) <1E065228-D0E3-3808-9405-894056C6BEC0> /usr/lib/libusrtcp.dylib
0x7fff66325000 - 0x7fff66328ffb libutil.dylib (51.20.1) <216D18E5-0BAF-3EAF-A38E-F6AC37CBABD9> /usr/lib/libutil.dylib
0x7fff66329000 - 0x7fff66336ff3 libxar.1.dylib (417.1) <351781D5-3CCF-320F-BB5A-4DFCC1CCD31D> /usr/lib/libxar.1.dylib
0x7fff6633a000 - 0x7fff66421fff libxml2.2.dylib (31.14) <4B6055E6-D8AD-342F-BCD7-F2EDD9069014> /usr/lib/libxml2.2.dylib
0x7fff66422000 - 0x7fff6644afff libxslt.1.dylib (15.14) <AECAB47A-B160-3D6D-BDDC-24B05C6EB8D4> /usr/lib/libxslt.1.dylib
0x7fff6644b000 - 0x7fff6645dffb libz.1.dylib (70) <48C67CFC-940D-3857-8DAD-857774605352> /usr/lib/libz.1.dylib
0x7fff664f9000 - 0x7fff664fdff7 libcache.dylib (80) <092479CB-1008-3A83-BECF-E115F24D13C1> /usr/lib/system/libcache.dylib
0x7fff664fe000 - 0x7fff66508ff3 libcommonCrypto.dylib (60118.50.1) <029F5985-9B6E-3DCB-9B96-FD007678C6A7> /usr/lib/system/libcommonCrypto.dylib
0x7fff66509000 - 0x7fff66510fff libcompiler_rt.dylib (62) <968B8E3F-3681-3230-9D78-BB8732024F6E> /usr/lib/system/libcompiler_rt.dylib
0x7fff66511000 - 0x7fff6651affb libcopyfile.dylib (146.50.5) <3885083D-50D8-3EEC-B481-B2E605180D7F> /usr/lib/system/libcopyfile.dylib
0x7fff6651b000 - 0x7fff665a0ffb libcorecrypto.dylib (562.70.3) <37AF8EC6-BF34-3D15-BC3A-A9B98F2427D4> /usr/lib/system/libcorecrypto.dylib
0x7fff66628000 - 0x7fff66661ff7 libdispatch.dylib (913.60.3) <BF368549-2DFB-3530-B4CB-31D5EDAC4F2F> /usr/lib/system/libdispatch.dylib
0x7fff66662000 - 0x7fff6667fff7 libdyld.dylib (551.5) <49BF9E96-8297-30CF-8AA6-128CC14054B2> /usr/lib/system/libdyld.dylib
0x7fff66680000 - 0x7fff66680ffb libkeymgr.dylib (28) <E34E283E-90FA-3C59-B48E-1277CDB9CDCE> /usr/lib/system/libkeymgr.dylib
0x7fff66681000 - 0x7fff6668dff3 libkxld.dylib (4570.71.46) <0C2152D7-F14B-3DBC-B388-6A2530795DB0> /usr/lib/system/libkxld.dylib
0x7fff6668e000 - 0x7fff6668eff7 liblaunch.dylib (1205.70.12) <4950A0B3-5EE1-3F9A-8B1A-94FB85FCCA2C> /usr/lib/system/liblaunch.dylib
0x7fff6668f000 - 0x7fff66693ffb libmacho.dylib (906) <1902A611-081A-3452-B11E-EBD1B166E831> /usr/lib/system/libmacho.dylib
0x7fff66694000 - 0x7fff66696ff3 libquarantine.dylib (86) <26C0BA22-8F93-3A07-9A4E-C8D53D2CE42E> /usr/lib/system/libquarantine.dylib
0x7fff66697000 - 0x7fff66698ff3 libremovefile.dylib (45) <711E18B2-5BBE-3211-A916-56740C27D17A> /usr/lib/system/libremovefile.dylib
0x7fff66699000 - 0x7fff666b0fff libsystem_asl.dylib (356.70.1) <39E46A6F-B228-3E78-B83E-1779F9707A39> /usr/lib/system/libsystem_asl.dylib
0x7fff666b1000 - 0x7fff666b1fff libsystem_blocks.dylib (67) <17303FDF-0D2D-3963-B05E-B4DF63052D47> /usr/lib/system/libsystem_blocks.dylib
0x7fff666b2000 - 0x7fff6673bff7 libsystem_c.dylib (1244.50.9) <1187BFE8-4576-3247-8177-481554E1F9E7> /usr/lib/system/libsystem_c.dylib
0x7fff6673c000 - 0x7fff6673fffb libsystem_configuration.dylib (963.50.9) <A5DC1AFC-2C3E-3113-BE20-48F96064DB0F> /usr/lib/system/libsystem_configuration.dylib
0x7fff66740000 - 0x7fff66743ffb libsystem_coreservices.dylib (51) <486000D3-D8CB-3BE7-8EE5-8BF380DE6DF7> /usr/lib/system/libsystem_coreservices.dylib
0x7fff66744000 - 0x7fff66745fff libsystem_darwin.dylib (1244.50.9) <09C21A4A-9EE0-388B-A9D9-DFF8F6758791> /usr/lib/system/libsystem_darwin.dylib
0x7fff66746000 - 0x7fff6674cff7 libsystem_dnssd.dylib (878.70.3) <E117689D-8CF3-3010-9EED-B71C033BF8D7> /usr/lib/system/libsystem_dnssd.dylib
0x7fff6674d000 - 0x7fff66796ff7 libsystem_info.dylib (517.30.1) <AB634A98-B8AA-3804-8436-38261FC8EC4D> /usr/lib/system/libsystem_info.dylib
0x7fff66797000 - 0x7fff667bdff7 libsystem_kernel.dylib (4570.71.46) <E71AB6DE-0D73-3C80-81D3-0268298C9681> /usr/lib/system/libsystem_kernel.dylib
0x7fff667be000 - 0x7fff66809fcb libsystem_m.dylib (3147.50.1) <17570F46-566C-39FC-BEF6-635A355DD549> /usr/lib/system/libsystem_m.dylib
0x7fff6680a000 - 0x7fff66829ff7 libsystem_malloc.dylib (140.50.7) <A45A484C-3BDE-3BC4-A219-726E3CB332D9> /usr/lib/system/libsystem_malloc.dylib
0x7fff6682a000 - 0x7fff6695aff7 libsystem_network.dylib (1229.70.2) <5E86B2DE-9E15-3354-8714-4094ED5F698D> /usr/lib/system/libsystem_network.dylib
0x7fff6695b000 - 0x7fff66965ffb libsystem_networkextension.dylib (767.70.2) <9DC03712-552D-3AEE-9519-B5ED70980B70> /usr/lib/system/libsystem_networkextension.dylib
0x7fff66966000 - 0x7fff6696fff3 libsystem_notify.dylib (172) <08012EC0-2CD2-34BE-BF93-E7F56491299A> /usr/lib/system/libsystem_notify.dylib
0x7fff66970000 - 0x7fff66977ff7 libsystem_platform.dylib (161.50.1) <6355EE2D-5456-3CA8-A227-B96E8F1E2AF8> /usr/lib/system/libsystem_platform.dylib
0x7fff66978000 - 0x7fff66983fff libsystem_pthread.dylib (301.50.1) <0E51CCBA-91F2-34E1-BF2A-FEEFD3D321E4> /usr/lib/system/libsystem_pthread.dylib
0x7fff66984000 - 0x7fff66987fff libsystem_sandbox.dylib (765.70.1) <553DFCC6-9D31-3B9C-AB7C-30F6F265786D> /usr/lib/system/libsystem_sandbox.dylib
0x7fff66988000 - 0x7fff66989ff3 libsystem_secinit.dylib (30) <DE8D14E8-A276-3FF8-AE13-77F7040F33C1> /usr/lib/system/libsystem_secinit.dylib
0x7fff6698a000 - 0x7fff66991ff7 libsystem_symptoms.dylib (820.60.3) <441C6CA0-5711-3BB1-8420-DDAC3D5272E1> /usr/lib/system/libsystem_symptoms.dylib
0x7fff66992000 - 0x7fff669a5fff libsystem_trace.dylib (829.70.1) <3A6CB706-8CA6-3616-8AFC-14AAD7FAF187> /usr/lib/system/libsystem_trace.dylib
0x7fff669a7000 - 0x7fff669acff7 libunwind.dylib (35.3) <BEF3FB49-5604-3B5F-82B5-332B80023AC3> /usr/lib/system/libunwind.dylib
0x7fff669ad000 - 0x7fff669daff7 libxpc.dylib (1205.70.12) <7B82608D-ED82-35C1-B13F-99855E25D6DC> /usr/lib/system/libxpc.dylib
Sample analysis of process 28931 written to file /dev/stdout
Sampling process 28853 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling zpool (pid 28853) every 1 millisecond
Process: zpool [28853]
Path: /usr/local/bin/zpool
Load Address: 0x10dd0d000
Identifier: zpool
Version: 0
Code Type: X86-64
Parent Process: bash [7619]
Date/Time: 2019-10-23 11:17:33.786 +0200
Launch Time: 2019-10-23 10:43:44.515 +0200
OS Version: Mac OS X 10.13.6 (17G8037)
Report Version: 7
Analysis Tool: /usr/bin/sample
Physical footprint: 1204K
Physical footprint (peak): 1204K
----
Call graph:
2745 Thread_3464907 DispatchQueue_1: com.apple.main-thread (serial)
2745 start (in libdyld.dylib) + 1 [0x7fff66663015]
2745 main (in zpool) + 516 [0x10dd12b18]
2745 zpool_do_remove (in zpool) + 432 [0x10dd13f04]
2745 zpool_vdev_remove (in libzfs.2.dylib) + 336 [0x10e103068]
2745 zfs_ioctl (in libzfs.2.dylib) + 55 [0x10e110cd5]
2745 ioctl (in libsystem_kernel.dylib) + 151 [0x7fff667ad4eb]
2745 __ioctl (in libsystem_kernel.dylib) + 10 [0x7fff667b33fa]
Total number in stack (recursive counted multiple, when >=5):
Sort by top of stack, same collapsed (when >= 5):
__ioctl (in libsystem_kernel.dylib) 2745
Binary Images:
0x10dd0d000 - 0x10dd27fff +zpool (0) <D03B441A-11BB-35B4-A8EB-A9CBB5AF29F3> /usr/local/bin/zpool
0x10dd3e000 - 0x10dd40fff +libdiskmgt.1.dylib (0) <C4DB976E-B3BD-3AC6-82C0-0BE510BF4D00> /usr/local/lib/libdiskmgt.1.dylib
0x10dd4e000 - 0x10dd59fff +libnvpair.1.dylib (0) <7CA2EACE-A919-35AE-866E-16E595376714> /usr/local/lib/libnvpair.1.dylib
0x10dd6b000 - 0x10dd7eff7 +libuutil.1.dylib (0) <38177B5B-F4C7-3F6E-AA7E-42CE44437EE8> /usr/local/lib/libuutil.1.dylib
0x10dd98000 - 0x10df04fe3 +libzpool.1.dylib (0) <0B6180AA-AF77-3DD4-B9D8-B11F389BFD49> /usr/local/lib/libzpool.1.dylib
0x10e0e7000 - 0x10e11fff7 +libzfs.2.dylib (0) <6CBC3221-8CE3-3431-91B4-027CA52574EA> /usr/local/lib/libzfs.2.dylib
0x10e13e000 - 0x10e140fff +libzfs_core.1.dylib (0) <36F1BC6D-4A68-30C3-8374-358577C3A2BC> /usr/local/lib/libzfs_core.1.dylib
0x1105d4000 - 0x11061eacf dyld (551.5) <30B355CB-35BA-3112-AA76-4E46CD45F699> /usr/lib/dyld
0x7fff3a8f0000 - 0x7fff3a8f0fff com.apple.Accelerate (1.11 - Accelerate 1.11) <2EF00EFE-06E8-3082-85C3-2988B422A19D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff3a909000 - 0x7fff3b057ffb com.apple.vImage (8.1 - ???) <56C275C1-459F-37CD-BF29-2E6D81C29E53> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x7fff3b058000 - 0x7fff3b1f8ff3 libBLAS.dylib (1211.50.2) <93259222-2D94-333D-A1EB-09C6FC4A64B4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x7fff3b1f9000 - 0x7fff3b233fef libBNNS.dylib (38.1) <0AAE0109-71D5-3B26-8401-3E62DDF97624> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
0x7fff3b234000 - 0x7fff3b60dff7 libLAPACK.dylib (1211.50.2) <70781D0B-AEAD-33EB-9900-10DC30F37D61> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x7fff3b60e000 - 0x7fff3b624ff7 libLinearAlgebra.dylib (1211.50.2) <FB5A35EA-D636-3D69-AB53-B67E1EB8134C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
0x7fff3b625000 - 0x7fff3b62aff3 libQuadrature.dylib (3) <3D6BF66A-55B2-3692-BAC7-DEB0C676ED29> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
0x7fff3b62b000 - 0x7fff3b6abfff libSparse.dylib (79.50.2) <0DC25CDD-F8C1-3D6E-B472-8B060708424F> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
0x7fff3b6ac000 - 0x7fff3b6beff7 libSparseBLAS.dylib (1211.50.2) <994A7D7E-FA3B-3943-A59C-8150B9AF86BE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
0x7fff3b6bf000 - 0x7fff3b832fe7 libvDSP.dylib (622.50.5) <4BF310F4-31A3-3DA5-80E4-7F8014AD380B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x7fff3b833000 - 0x7fff3b8e9fef libvMisc.dylib (622.50.5) <88143A88-4FDE-35A1-85FE-54FF0C2A9E43> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x7fff3b8ea000 - 0x7fff3b8eafff com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <880DEF40-389A-3F56-ACA1-B62A5BC57E59> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x7fff3ca8e000 - 0x7fff3ca8efff com.apple.ApplicationServices (48 - 50) <63B0C61F-CFE8-3884-853F-E6FB6CD84A44> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x7fff3ca8f000 - 0x7fff3caf5fff com.apple.ApplicationServices.ATS (377 - 445.5) <703CE7E4-426A-35C0-A229-F140F30F5340> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
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0x7fff641c2000 - 0x7fff641c2fff libOpenScriptingUtil.dylib (174) <610F0242-7CE5-3C86-951B-B646562694AF> /usr/lib/libOpenScriptingUtil.dylib
0x7fff642fe000 - 0x7fff642ffffb libSystem.B.dylib (1252.50.4) <C084DB19-08B8-322B-9344-67F2970929DA> /usr/lib/libSystem.B.dylib
0x7fff64392000 - 0x7fff64392fff libapple_crypto.dylib (109.50.14) <48BA2E76-BF2F-3522-A54E-D7FB7EAF7A57> /usr/lib/libapple_crypto.dylib
0x7fff64393000 - 0x7fff643a9ff7 libapple_nghttp2.dylib (1.24) <01402BC4-4822-3676-9C80-50D83F816424> /usr/lib/libapple_nghttp2.dylib
0x7fff643aa000 - 0x7fff643d4ff3 libarchive.2.dylib (54) <8FC28DD8-E315-3C3E-95FE-D1D2CBE49888> /usr/lib/libarchive.2.dylib
0x7fff644dc000 - 0x7fff644dcff3 libauto.dylib (187) <A05C7900-F8C7-3E75-8D3F-909B40C19717> /usr/lib/libauto.dylib
0x7fff644dd000 - 0x7fff64595ff3 libboringssl.dylib (109.50.14) <E6813F87-B5E4-3F7F-A725-E6A7F2BD02EC> /usr/lib/libboringssl.dylib
0x7fff64596000 - 0x7fff645a6ff3 libbsm.0.dylib (39) <6BC96A72-AFBE-34FD-91B1-748A530D8AE6> /usr/lib/libbsm.0.dylib
0x7fff645a7000 - 0x7fff645b4ffb libbz2.1.0.dylib (38) <0A5086BB-4724-3C14-979D-5AD4F26B5B45> /usr/lib/libbz2.1.0.dylib
0x7fff645b5000 - 0x7fff6460bfff libc++.1.dylib (400.9) <7D3DACCC-3804-393C-ABC1-1A580FD00CB6> /usr/lib/libc++.1.dylib
0x7fff6460c000 - 0x7fff64630ff7 libc++abi.dylib (400.8.2) <EF5E37D7-11D9-3530-BE45-B986612D13E2> /usr/lib/libc++abi.dylib
0x7fff64632000 - 0x7fff64642fff libcmph.dylib (6) <890DEC4C-4334-393C-8B56-7C8560BBED9D> /usr/lib/libcmph.dylib
0x7fff64643000 - 0x7fff6465afd3 libcompression.dylib (47.60.2) <CC7ACB0A-49CD-3564-978F-49F843186F27> /usr/lib/libcompression.dylib
0x7fff64905000 - 0x7fff6491dff7 libcoretls.dylib (155.50.1) <D350052E-DC4D-3185-ADBA-BA48EDCEE955> /usr/lib/libcoretls.dylib
0x7fff6491e000 - 0x7fff6491fff3 libcoretls_cfhelpers.dylib (155.50.1) <B297F5D8-F2FE-3566-A752-E9D998B9C039> /usr/lib/libcoretls_cfhelpers.dylib
0x7fff64df0000 - 0x7fff64e45ff3 libcups.2.dylib (462.2.7) <46179788-4363-38B2-9204-E8AC8123D899> /usr/lib/libcups.2.dylib
0x7fff64f85000 - 0x7fff64f85fff libenergytrace.dylib (16) <A92AB8B8-B986-3CE6-980D-D55090FEF387> /usr/lib/libenergytrace.dylib
0x7fff64fbc000 - 0x7fff64fc1ff3 libheimdal-asn1.dylib (520.50.9) <EF65C17E-31CD-31DC-876C-BF3EF393099C> /usr/lib/libheimdal-asn1.dylib
0x7fff64fed000 - 0x7fff650deff7 libiconv.2.dylib (51.50.1) <2FEC9707-3FAF-3828-A50D-8605086D060F> /usr/lib/libiconv.2.dylib
0x7fff650df000 - 0x7fff65306ffb libicucore.A.dylib (59181.0.1) <2CE6205F-D375-3BF5-AA0A-3254BC4773D0> /usr/lib/libicucore.A.dylib
0x7fff65353000 - 0x7fff65354fff liblangid.dylib (128) <39C39393-0D05-301D-93B2-F224FC4949AA> /usr/lib/liblangid.dylib
0x7fff65355000 - 0x7fff6536effb liblzma.5.dylib (10) <3D419A50-961F-37D2-8A01-3DC7AB7B8D18> /usr/lib/liblzma.5.dylib
0x7fff6536f000 - 0x7fff65385ff7 libmarisa.dylib (9) <D6D2D55D-1D2E-3442-B152-B18803C0ABB4> /usr/lib/libmarisa.dylib
0x7fff65436000 - 0x7fff6565eff7 libmecabra.dylib (779.7.6) <F462F170-E872-3D09-B219-973D5E99C09F> /usr/lib/libmecabra.dylib
0x7fff65836000 - 0x7fff659b1fff libnetwork.dylib (1229.70.2) <E185D902-AC7F-3044-87C0-AE2887C59CE7> /usr/lib/libnetwork.dylib
0x7fff65a38000 - 0x7fff65e293b7 libobjc.A.dylib (723) <BEEA51E2-1C4D-3672-87F6-F267B4AC6221> /usr/lib/libobjc.A.dylib
0x7fff65e3c000 - 0x7fff65e40fff libpam.2.dylib (22) <7B4D2CE2-1438-387A-9802-5CEEFBF26F86> /usr/lib/libpam.2.dylib
0x7fff65e43000 - 0x7fff65e77fff libpcap.A.dylib (79.20.1) <FA13918B-A247-3181-B256-9B852C7BA316> /usr/lib/libpcap.A.dylib
0x7fff65ef6000 - 0x7fff65f12ffb libresolv.9.dylib (65) <E8F3415B-4472-3202-8901-41FD87981DB2> /usr/lib/libresolv.9.dylib
0x7fff65f63000 - 0x7fff660f0ff7 libsqlite3.dylib (274.8.1) <B70A2908-E0F7-364E-952A-1D2D19787B89> /usr/lib/libsqlite3.dylib
0x7fff662c4000 - 0x7fff66324ff3 libusrtcp.dylib (1229.70.2) <1E065228-D0E3-3808-9405-894056C6BEC0> /usr/lib/libusrtcp.dylib
0x7fff66325000 - 0x7fff66328ffb libutil.dylib (51.20.1) <216D18E5-0BAF-3EAF-A38E-F6AC37CBABD9> /usr/lib/libutil.dylib
0x7fff66329000 - 0x7fff66336ff3 libxar.1.dylib (417.1) <351781D5-3CCF-320F-BB5A-4DFCC1CCD31D> /usr/lib/libxar.1.dylib
0x7fff6633a000 - 0x7fff66421fff libxml2.2.dylib (31.14) <4B6055E6-D8AD-342F-BCD7-F2EDD9069014> /usr/lib/libxml2.2.dylib
0x7fff66422000 - 0x7fff6644afff libxslt.1.dylib (15.14) <AECAB47A-B160-3D6D-BDDC-24B05C6EB8D4> /usr/lib/libxslt.1.dylib
0x7fff6644b000 - 0x7fff6645dffb libz.1.dylib (70) <48C67CFC-940D-3857-8DAD-857774605352> /usr/lib/libz.1.dylib
0x7fff664f9000 - 0x7fff664fdff7 libcache.dylib (80) <092479CB-1008-3A83-BECF-E115F24D13C1> /usr/lib/system/libcache.dylib
0x7fff664fe000 - 0x7fff66508ff3 libcommonCrypto.dylib (60118.50.1) <029F5985-9B6E-3DCB-9B96-FD007678C6A7> /usr/lib/system/libcommonCrypto.dylib
0x7fff66509000 - 0x7fff66510fff libcompiler_rt.dylib (62) <968B8E3F-3681-3230-9D78-BB8732024F6E> /usr/lib/system/libcompiler_rt.dylib
0x7fff66511000 - 0x7fff6651affb libcopyfile.dylib (146.50.5) <3885083D-50D8-3EEC-B481-B2E605180D7F> /usr/lib/system/libcopyfile.dylib
0x7fff6651b000 - 0x7fff665a0ffb libcorecrypto.dylib (562.70.3) <37AF8EC6-BF34-3D15-BC3A-A9B98F2427D4> /usr/lib/system/libcorecrypto.dylib
0x7fff66628000 - 0x7fff66661ff7 libdispatch.dylib (913.60.3) <BF368549-2DFB-3530-B4CB-31D5EDAC4F2F> /usr/lib/system/libdispatch.dylib
0x7fff66662000 - 0x7fff6667fff7 libdyld.dylib (551.5) <49BF9E96-8297-30CF-8AA6-128CC14054B2> /usr/lib/system/libdyld.dylib
0x7fff66680000 - 0x7fff66680ffb libkeymgr.dylib (28) <E34E283E-90FA-3C59-B48E-1277CDB9CDCE> /usr/lib/system/libkeymgr.dylib
0x7fff66681000 - 0x7fff6668dff3 libkxld.dylib (4570.71.46) <0C2152D7-F14B-3DBC-B388-6A2530795DB0> /usr/lib/system/libkxld.dylib
0x7fff6668e000 - 0x7fff6668eff7 liblaunch.dylib (1205.70.12) <4950A0B3-5EE1-3F9A-8B1A-94FB85FCCA2C> /usr/lib/system/liblaunch.dylib
0x7fff6668f000 - 0x7fff66693ffb libmacho.dylib (906) <1902A611-081A-3452-B11E-EBD1B166E831> /usr/lib/system/libmacho.dylib
0x7fff66694000 - 0x7fff66696ff3 libquarantine.dylib (86) <26C0BA22-8F93-3A07-9A4E-C8D53D2CE42E> /usr/lib/system/libquarantine.dylib
0x7fff66697000 - 0x7fff66698ff3 libremovefile.dylib (45) <711E18B2-5BBE-3211-A916-56740C27D17A> /usr/lib/system/libremovefile.dylib
0x7fff66699000 - 0x7fff666b0fff libsystem_asl.dylib (356.70.1) <39E46A6F-B228-3E78-B83E-1779F9707A39> /usr/lib/system/libsystem_asl.dylib
0x7fff666b1000 - 0x7fff666b1fff libsystem_blocks.dylib (67) <17303FDF-0D2D-3963-B05E-B4DF63052D47> /usr/lib/system/libsystem_blocks.dylib
0x7fff666b2000 - 0x7fff6673bff7 libsystem_c.dylib (1244.50.9) <1187BFE8-4576-3247-8177-481554E1F9E7> /usr/lib/system/libsystem_c.dylib
0x7fff6673c000 - 0x7fff6673fffb libsystem_configuration.dylib (963.50.9) <A5DC1AFC-2C3E-3113-BE20-48F96064DB0F> /usr/lib/system/libsystem_configuration.dylib
0x7fff66740000 - 0x7fff66743ffb libsystem_coreservices.dylib (51) <486000D3-D8CB-3BE7-8EE5-8BF380DE6DF7> /usr/lib/system/libsystem_coreservices.dylib
0x7fff66744000 - 0x7fff66745fff libsystem_darwin.dylib (1244.50.9) <09C21A4A-9EE0-388B-A9D9-DFF8F6758791> /usr/lib/system/libsystem_darwin.dylib
0x7fff66746000 - 0x7fff6674cff7 libsystem_dnssd.dylib (878.70.3) <E117689D-8CF3-3010-9EED-B71C033BF8D7> /usr/lib/system/libsystem_dnssd.dylib
0x7fff6674d000 - 0x7fff66796ff7 libsystem_info.dylib (517.30.1) <AB634A98-B8AA-3804-8436-38261FC8EC4D> /usr/lib/system/libsystem_info.dylib
0x7fff66797000 - 0x7fff667bdff7 libsystem_kernel.dylib (4570.71.46) <E71AB6DE-0D73-3C80-81D3-0268298C9681> /usr/lib/system/libsystem_kernel.dylib
0x7fff667be000 - 0x7fff66809fcb libsystem_m.dylib (3147.50.1) <17570F46-566C-39FC-BEF6-635A355DD549> /usr/lib/system/libsystem_m.dylib
0x7fff6680a000 - 0x7fff66829ff7 libsystem_malloc.dylib (140.50.7) <A45A484C-3BDE-3BC4-A219-726E3CB332D9> /usr/lib/system/libsystem_malloc.dylib
0x7fff6682a000 - 0x7fff6695aff7 libsystem_network.dylib (1229.70.2) <5E86B2DE-9E15-3354-8714-4094ED5F698D> /usr/lib/system/libsystem_network.dylib
0x7fff6695b000 - 0x7fff66965ffb libsystem_networkextension.dylib (767.70.2) <9DC03712-552D-3AEE-9519-B5ED70980B70> /usr/lib/system/libsystem_networkextension.dylib
0x7fff66966000 - 0x7fff6696fff3 libsystem_notify.dylib (172) <08012EC0-2CD2-34BE-BF93-E7F56491299A> /usr/lib/system/libsystem_notify.dylib
0x7fff66970000 - 0x7fff66977ff7 libsystem_platform.dylib (161.50.1) <6355EE2D-5456-3CA8-A227-B96E8F1E2AF8> /usr/lib/system/libsystem_platform.dylib
0x7fff66978000 - 0x7fff66983fff libsystem_pthread.dylib (301.50.1) <0E51CCBA-91F2-34E1-BF2A-FEEFD3D321E4> /usr/lib/system/libsystem_pthread.dylib
0x7fff66984000 - 0x7fff66987fff libsystem_sandbox.dylib (765.70.1) <553DFCC6-9D31-3B9C-AB7C-30F6F265786D> /usr/lib/system/libsystem_sandbox.dylib
0x7fff66988000 - 0x7fff66989ff3 libsystem_secinit.dylib (30) <DE8D14E8-A276-3FF8-AE13-77F7040F33C1> /usr/lib/system/libsystem_secinit.dylib
0x7fff6698a000 - 0x7fff66991ff7 libsystem_symptoms.dylib (820.60.3) <441C6CA0-5711-3BB1-8420-DDAC3D5272E1> /usr/lib/system/libsystem_symptoms.dylib
0x7fff66992000 - 0x7fff669a5fff libsystem_trace.dylib (829.70.1) <3A6CB706-8CA6-3616-8AFC-14AAD7FAF187> /usr/lib/system/libsystem_trace.dylib
0x7fff669a7000 - 0x7fff669acff7 libunwind.dylib (35.3) <BEF3FB49-5604-3B5F-82B5-332B80023AC3> /usr/lib/system/libunwind.dylib
0x7fff669ad000 - 0x7fff669daff7 libxpc.dylib (1205.70.12) <7B82608D-ED82-35C1-B13F-99855E25D6DC> /usr/lib/system/libxpc.dylib
Sample analysis of process 28853 written to file /dev/stdout
Yeah, it shows its in
2745 zpool_vdev_remove (in libzfs.2.dylib) + 336 [0x10e103068]
2745 zfs_ioctl (in libzfs.2.dylib) + 55 [0x10e110cd5]
2745 ioctl (in libsystem_kernel.dylib) + 151 [0x7fff667ad4eb]
2745 __ioctl (in libsystem_kernel.dylib) + 10 [0x7fff667b33fa]
but that where we need to see the kernel stacks, yours stop exactly where it crosses into kernel.
Any tips on running spindump (i.e. just before starting the offending command) ? I now have 0 responsive terminal windows left
It's ok, you gave really detailed instructions, I'll give it a go in my VM tomorrow.
I forgot to mention that when this happened
- a (one) dataset was created in the pool
- the dataset had high io load (BlackMagic Disk Speed Test)
I have tried your guide - the first problem is that cache devices do not handle /dev/diskX renumbering changes at all, and it was a bit random as to whether or not my cache device would get the same /dev/diskX as before export. When using cache/log devices, we strongly recommend to use the InvariantDisk paths, ie, /var/run/disk/ - it can even destroy non-zfs related data if some other idle disk happens to have the /dev/diskX that the pool used to think was a cache/log device.
Once I had the /dev/diskX matching I could add/remove the cache device multiple times. I see you are running 1.9.0, so it could be that we have already fixed this issue. I know the Device Removal feature had more than one fix from upstream.
Thanks for the repro attempt
I have tried to repro on physical and virtual environments and can not reproduce the hang using device removal.
However when testing on virtual machines (HighSierra on Virtualbox) I experience another hang (on the smb client) when using sharesmb=on on a dataset, and creating a folder using finder from another virtual smb client.
Should I create a different issue for that?