https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=299086
Bug ID: 299086
Summary: kernel panic in zfs-arc
Product: Base System
Version: 14.4-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Spontaneous kernel panic on a machine that was stable for years (And certainly
since late April when it was brought to 14.4) with a very quiet steady
workload. Appears to be ZFS related. ARC is in use
Oct 3 11:11:24 fqdn.com syslogd: kernel boot file is /boot/kernel/kernel
Oct 3 11:11:24 fqdn.com kernel: panic: vm_fault_lookup: fault on nofault
entry, addr: 0xfffffe01acc3a000
Oct 3 11:11:24 fqdn.com kernel: cpuid = 1
Oct 3 11:11:24 fqdn.com kernel: time = 1791018389
Oct 3 11:11:24 fqdn.com kernel: KDB: stack backtrace:
Oct 3 11:11:24 fqdn.com kernel: #0 0xffffffff80bb45dd at kdb_backtrace+0x5d
Oct 3 11:11:24 fqdn.com kernel: #1 0xffffffff80b65db1 at vpanic+0x161
Oct 3 11:11:24 fqdn.com kernel: #2 0xffffffff80b65c43 at panic+0x43
Oct 3 11:11:24 fqdn.com kernel: #3 0xffffffff80ee9916 at vm_fault+0x1696
Oct 3 11:11:24 fqdn.com kernel: #4 0xffffffff80ee8191 at vm_fault_trap+0x81
Oct 3 11:11:24 fqdn.com kernel: #5 0xffffffff8105abda at trap_pfault+0x20a
Oct 3 11:11:24 fqdn.com kernel: #6 0xffffffff81031818 at calltrap+0x8
Oct 3 11:11:24 fqdn.com kernel: #7 0xffffffff82246255 at
dsl_scan_prefetch_dnode+0x105
Oct 3 11:11:24 fqdn.com kernel: #8 0xffffffff82245cf9 at
dsl_scan_prefetch_cb+0x1d9
Oct 3 11:11:24 fqdn.com kernel: #9 0xffffffff821ca8c5 at arc_read+0x6f5
Oct 3 11:11:24 fqdn.com kernel: #10 0xffffffff822430c8 at
dsl_scan_prefetch_thread+0x1f8
Oct 3 11:11:24 fqdn.com kernel: #11 0xffffffff8218d927 at taskq_run+0x17
Oct 3 11:11:24 fqdn.com kernel: #12 0xffffffff80bc9b72 at
taskqueue_run_locked+0x182
Oct 3 11:11:24 fqdn.com kernel: #13 0xffffffff80bcadc2 at
taskqueue_thread_loop+0xc2
Oct 3 11:11:24 fqdn.com kernel: #14 0xffffffff80b1d9d1 at fork_exit+0x81
Oct 3 11:11:24 fqdn.com kernel: #15 0xffffffff8103283e at fork_trampoline+0xe
Oct 3 11:11:24 fqdn.com kernel: Uptime: 107d13h20m53s
# zpool status
pool: tank
state: ONLINE
scan: scrub in progress since Sat Oct 3 04:20:45 2026
3.64T / 16.5T scanned at 505B/s, 2.81T / 16.5T issued
1.47M repaired, 17.03% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
tank ONLINE 0 0 0
raidz3-0 ONLINE 0 0 0
diskid/DISK-582CK05EF7GBp3 ONLINE 0 0 0
diskid/DISK-0582CK0LX11Hp3 ONLINE 0 0 0
diskid/DISK-0582CK0M2WGHp3 ONLINE 0 0 0
diskid/DISK-0582CK0M1RYHp3 ONLINE 0 0 0
diskid/DISK-0582CK0M0DBHp3 ONLINE 0 0 0
diskid/DISK-0582CK0M1NUHp3 ONLINE 0 0 0
diskid/DISK-0582CK0M0KUHp3 ONLINE 0 0 0
# zfs-stats -a
------------------------------------------------------------------------
ZFS Subsystem Report Sat Oct 3 13:26:47 2026
------------------------------------------------------------------------
System Information:
Kernel Version: 1404000 (osreldate)
Hardware Platform: amd64
Processor Architecture: amd64
ZFS Storage pool Version: 5000
ZFS Filesystem Version: 5
FreeBSD 14.4-RELEASE-p6 GENERIC 1:26PM up 26 mins, 1 user, load averages:
0.32, 0.26, 0.23
------------------------------------------------------------------------
System Memory:
1.97% 622.42 MiB Active, 1.14% 359.43 MiB Inact
15.18% 4.68 GiB Wired, 0.00% 0 Bytes Cache
81.65% 25.17 GiB Free, 0.06% 18.89 MiB Gap
Real Installed: 32.00 GiB
Real Available: 98.93% 31.66 GiB
Real Managed: 97.38% 30.83 GiB
Logical Total: 32.00 GiB
Logical Used: 20.24% 6.48 GiB
Logical Free: 79.76% 25.52 GiB
Use of uninitialized value $kdata in multiplication (*) at
/usr/local/bin/zfs-stats line 329.
Kernel Memory: 37.78 MiB
Data: 0.00% 0 Bytes
Text: 100.00% 37.78 MiB
Kernel Memory Map: 30.83 GiB
Size: 14.72% 4.54 GiB
Free: 85.28% 26.29 GiB
------------------------------------------------------------------------
ARC Summary: (HEALTHY)
Memory Throttle Count: 0
ARC Misc:
Deleted: 0
Mutex Misses: 0
Evict Skips: 0
ARC Size: 15.31% 2.45 GiB
Target Size: (Adaptive) 15.54% 2.49 GiB
Min Size (Hard Limit): 6.18% 1013.07 MiB
Max Size (High Water): 16:1 16.00 GiB
Compressed Data Size: 2.11 GiB
Decompressed Data Size: 17.60 GiB
Compression Factor: 8.33
ARC Size Breakdown:
Recently Used Cache Size: 77.89% 1.94 GiB
Frequently Used Cache Size: 22.11% 563.05 MiB
ARC Hash Breakdown:
Elements Max: 457.39 k
Elements Current: 99.93% 457.07 k
Collisions: 27.59 k
Chain Max: 3
Chains: 23.01 k
------------------------------------------------------------------------
ARC Efficiency: 19.69 m
Cache Hit Ratio: 97.67% 19.23 m
Cache Miss Ratio: 2.33% 458.10 k
Actual Hit Ratio: 97.67% 19.23 m
Data Demand Efficiency: 97.13% 307.64 k
Data Prefetch Efficiency: 0.78% 1.29 k
CACHE HITS BY CACHE LIST:
Most Recently Used: 13.62% 2.62 m
Most Frequently Used: 86.38% 16.61 m
Most Recently Used Ghost: 0.00% 0
Most Frequently Used Ghost: 0.00% 0
CACHE HITS BY DATA TYPE:
Demand Data: 1.55% 298.81 k
Prefetch Data: 0.00% 10
Demand Metadata: 87.47% 16.82 m
Prefetch Metadata: 10.98% 2.11 m
CACHE MISSES BY DATA TYPE:
Demand Data: 1.93% 8.83 k
Prefetch Data: 0.28% 1.28 k
Demand Metadata: 8.50% 38.94 k
Prefetch Metadata: 89.29% 409.04 k
------------------------------------------------------------------------
L2ARC is disabled
------------------------------------------------------------------------
Per dataset statistics are not available
------------------------------------------------------------------------
File-Level Prefetch:
DMU Efficiency: 194.37 k
Hit Ratio: 21.38% 41.56 k
Miss Ratio: 78.62% 152.81 k
------------------------------------------------------------------------
Use of uninitialized value $vdev_cache_hits in addition (+) at
/usr/local/bin/zfs-stats line 628.
Use of uninitialized value $vdev_cache_misses in addition (+) at
/usr/local/bin/zfs-stats line 628.
Use of uninitialized value $vdev_cache_delegations in addition (+) at
/usr/local/bin/zfs-stats line 628.
Use of uninitialized value in numeric eq (==) at /usr/local/bin/zfs-stats line
630.
VDEV cache is disabled
------------------------------------------------------------------------
ZFS Tunables (sysctl):
kern.maxusers 2362
vm.kmem_size 33102020608
vm.kmem_size_scale 1
vm.kmem_size_min 0
vm.kmem_size_max 1319413950874
vfs.zfs.abort_size 131072
vfs.zfs.earlyabort_pass 1
vfs.zfs.sync_pass_rewrite 2
vfs.zfs.sync_pass_dont_compress 8
vfs.zfs.sync_pass_deferred_free 2
vfs.zfs.commit_timeout_pct 10
vfs.zfs.bclone_wait_dirty 0
vfs.zfs.bclone_enabled 0
vfs.zfs.zil_saxattr 1
vfs.zfs.immediate_write_sz 32768
vfs.zfs.history_output_max 1048576
vfs.zfs.max_nvlist_src_size 0
vfs.zfs.zap_micro_max_size 131072
vfs.zfs.zap_iterate_prefetch 1
vfs.zfs.rebuild_scrub_enabled 1
vfs.zfs.rebuild_vdev_limit 67108864
vfs.zfs.rebuild_max_segment 1048576
vfs.zfs.initialize_chunk_size 1048576
vfs.zfs.initialize_value -2401053088876216594
vfs.zfs.embedded_slog_min_ms 64
vfs.zfs.nocacheflush 0
vfs.zfs.scan_ignore_errors 0
vfs.zfs.checksum_events_per_second 20
vfs.zfs.deadman_events_per_second 1
vfs.zfs.slow_io_events_per_second 20
vfs.zfs.read_history_hits 0
vfs.zfs.read_history 0
vfs.zfs.special_class_metadata_reserve_pct25
vfs.zfs.user_indirect_is_special 1
vfs.zfs.ddt_data_is_special 1
vfs.zfs.free_leak_on_eio 0
vfs.zfs.recover 0
vfs.zfs.flags 0
vfs.zfs.min_metaslabs_to_flush 1
vfs.zfs.max_logsm_summary_length 10
vfs.zfs.keep_log_spacemaps_at_export 0
vfs.zfs.max_log_walking 5
vfs.zfs.unflushed_log_block_pct 400
vfs.zfs.unflushed_log_txg_max 1000
vfs.zfs.unflushed_log_block_min 1000
vfs.zfs.unflushed_log_block_max 131072
vfs.zfs.unflushed_max_mem_ppm 1000
vfs.zfs.unflushed_max_mem_amt 1073741824
vfs.zfs.autoimport_disable 1
vfs.zfs.max_missing_tvds 0
vfs.zfs.multilist_num_sublists 0
vfs.zfs.scrub_error_blocks_per_txg 4096
vfs.zfs.resilver_disable_defer 0
vfs.zfs.scan_report_txgs 0
vfs.zfs.scan_fill_weight 3
vfs.zfs.scan_strict_mem_lim 0
vfs.zfs.scan_mem_lim_soft_fact 20
vfs.zfs.scan_max_ext_gap 2097152
vfs.zfs.scan_checkpoint_intval 7200
vfs.zfs.scan_legacy 0
vfs.zfs.scan_issue_strategy 0
vfs.zfs.scan_mem_lim_fact 20
vfs.zfs.scan_blkstats 0
vfs.zfs.free_bpobj_enabled 1
vfs.zfs.max_async_dedup_frees 100000
vfs.zfs.async_block_max_blocks -1
vfs.zfs.no_scrub_prefetch 0
vfs.zfs.no_scrub_io 0
vfs.zfs.scan_suspend_progress 0
vfs.zfs.resilver_min_time_ms 3000
vfs.zfs.free_min_time_ms 1000
vfs.zfs.obsolete_min_time_ms 500
vfs.zfs.scrub_min_time_ms 1000
vfs.zfs.scan_vdev_limit 16777216
vfs.zfs.sync_taskq_batch_pct 75
vfs.zfs.delay_scale 500000
vfs.zfs.dirty_data_sync_percent 20
vfs.zfs.dirty_data_max_max 4294967296
vfs.zfs.wrlog_data_max 6798584216
vfs.zfs.dirty_data_max 3399292108
vfs.zfs.delay_min_dirty_percent 60
vfs.zfs.dirty_data_max_max_percent 25
vfs.zfs.dirty_data_max_percent 10
vfs.zfs.disable_ivset_guid_check 0
vfs.zfs.zvol_enforce_quotas 1
vfs.zfs.snapshot_history_enabled 1
vfs.zfs.allow_redacted_dataset_mount 0
vfs.zfs.max_recordsize 16777216
vfs.zfs.default_ibs 17
vfs.zfs.default_bs 9
vfs.zfs.send_holes_without_birth_time 1
vfs.zfs.traverse_indirect_prefetch_limit32
vfs.zfs.pd_bytes_max 52428800
vfs.zfs.dmu_object_alloc_chunk_shift 7
vfs.zfs.dmu_prefetch_max 134217728
vfs.zfs.dmu_offset_next_sync 1
vfs.zfs.per_txg_dirty_frees_percent 30
vfs.zfs.nopwrite_enabled 1
vfs.zfs.dbuf_state_index 0
vfs.zfs.btree_verify_intensity 0
vfs.zfs.compressed_arc_enabled 1
vfs.zfs.max_dataset_nesting 50
vfs.zfs.fletcher_4_impl [fastest] scalar superscalar
superscalar4 sse2 ssse3
vfs.zfs.vol.unmap_enabled 1
vfs.zfs.vol.recursive 0
vfs.zfs.vol.mode 1
vfs.zfs.xattr_compat 1
vfs.zfs.version.zpl 5
vfs.zfs.version.spa 5000
vfs.zfs.version.acl 1
vfs.zfs.version.module 2.2.9-FreeBSD_g079ba86d7
vfs.zfs.version.ioctl 15
vfs.zfs.debug 0
vfs.zfs.super_owner 0
vfs.zfs.dbgmsg_maxsize 4194304
vfs.zfs.dbgmsg_enable 1
vfs.zfs.top_maxinflight 1000
vfs.zfs.validate_skip 0
vfs.zfs.standard_sm_blksz 131072
vfs.zfs.dtl_sm_blksz 4096
vfs.zfs.max_auto_ashift 14
vfs.zfs.min_auto_ashift 9
vfs.zfs.space_map_ibs 14
vfs.zfs.debugflags 0
vfs.zfs.max_missing_tvds_scan 0
vfs.zfs.max_missing_tvds_cachefile 2
vfs.zfs.ccw_retry_interval 300
vfs.zfs.removal_suspend_progress 0
vfs.zfs.remove_max_segment 16777216
vfs.zfs.condense_pct 200
vfs.zfs.zfetch.max_idistance 67108864
vfs.zfs.zfetch.max_distance 67108864
vfs.zfs.l2c_only_size 0
vfs.zfs.uncached_data_esize 0
vfs.zfs.uncached_metadata_esize 0
vfs.zfs.uncached_size 0
vfs.zfs.mfu_ghost_data_esize 0
vfs.zfs.mfu_ghost_metadata_esize 0
vfs.zfs.mfu_ghost_size 0
vfs.zfs.mfu_data_esize 78047232
vfs.zfs.mfu_metadata_esize 114087424
vfs.zfs.mfu_size 277181440
vfs.zfs.mru_ghost_data_esize 0
vfs.zfs.mru_ghost_metadata_esize 0
vfs.zfs.mru_ghost_size 0
vfs.zfs.mru_data_esize 195679744
vfs.zfs.mru_metadata_esize 1803764224
vfs.zfs.mru_size 2079634944
vfs.zfs.anon_data_esize 0
vfs.zfs.anon_metadata_esize 0
vfs.zfs.anon_size 151886336
vfs.zfs.l2arc_norw 0
vfs.zfs.l2arc_feed_again 1
vfs.zfs.l2arc_noprefetch 1
vfs.zfs.l2arc_feed_min_ms 200
vfs.zfs.l2arc_feed_secs 1
vfs.zfs.l2arc_headroom_boost 200
vfs.zfs.l2arc_headroom 8
vfs.zfs.l2arc_write_boost 33554432
vfs.zfs.l2arc_write_max 33554432
vfs.zfs.arc_no_grow_shift 5
vfs.zfs.arc_free_target 172216
vfs.zfs.arc_min 0
vfs.zfs.arc_max 17179869184
vfs.zfs.zio.deadman_log_all 0
vfs.zfs.zio.dva_throttle_enabled 1
vfs.zfs.zio.requeue_io_start_cut_in_line1
vfs.zfs.zio.slow_io_ms 30000
vfs.zfs.zio.taskq_write batch fixed,1,5 scale fixed,1,5
vfs.zfs.zio.taskq_read fixed,1,8 null scale null
vfs.zfs.zio.taskq_batch_tpq 0
vfs.zfs.zio.taskq_batch_pct 80
vfs.zfs.zio.exclude_metadata 0
vfs.zfs.zil.maxcopied 7680
vfs.zfs.zil.maxblocksize 131072
vfs.zfs.zil.slog_bulk 67108864
vfs.zfs.zil.nocacheflush 0
vfs.zfs.zil.replay_disable 0
vfs.zfs.zil.clean_taskq_maxalloc 1048576
vfs.zfs.zil.clean_taskq_minalloc 1024
vfs.zfs.zil.clean_taskq_nthr_pct 100
vfs.zfs.zevent.retain_expire_secs 900
vfs.zfs.zevent.retain_max 2000
vfs.zfs.zevent.len_max 512
vfs.zfs.vnops.read_chunk_size 1048576
vfs.zfs.vdev.removal_suspend_progress 0
vfs.zfs.vdev.removal_max_span 32768
vfs.zfs.vdev.remove_max_segment 16777216
vfs.zfs.vdev.removal_ignore_errors 0
vfs.zfs.vdev.def_queue_depth 32
vfs.zfs.vdev.queue_depth_pct 1000
vfs.zfs.vdev.nia_delay 5
vfs.zfs.vdev.nia_credit 5
vfs.zfs.vdev.rebuild_min_active 1
vfs.zfs.vdev.rebuild_max_active 3
vfs.zfs.vdev.trim_min_active 1
vfs.zfs.vdev.trim_max_active 2
vfs.zfs.vdev.sync_write_min_active 10
vfs.zfs.vdev.sync_write_max_active 10
vfs.zfs.vdev.sync_read_min_active 10
vfs.zfs.vdev.sync_read_max_active 10
vfs.zfs.vdev.scrub_min_active 1
vfs.zfs.vdev.scrub_max_active 3
vfs.zfs.vdev.removal_min_active 1
vfs.zfs.vdev.removal_max_active 2
vfs.zfs.vdev.initializing_min_active 1
vfs.zfs.vdev.initializing_max_active 1
vfs.zfs.vdev.async_write_min_active 2
vfs.zfs.vdev.async_write_max_active 10
vfs.zfs.vdev.async_read_min_active 1
vfs.zfs.vdev.async_read_max_active 3
vfs.zfs.vdev.async_write_active_min_dirty_percent30
vfs.zfs.vdev.async_write_active_max_dirty_percent60
vfs.zfs.vdev.max_active 1000
vfs.zfs.vdev.write_gap_limit 4096
vfs.zfs.vdev.read_gap_limit 32768
vfs.zfs.vdev.aggregation_limit_non_rotating131072
vfs.zfs.vdev.aggregation_limit 1048576
vfs.zfs.vdev.max_auto_ashift 14
vfs.zfs.vdev.min_auto_ashift 9
vfs.zfs.vdev.validate_skip 0
vfs.zfs.vdev.ms_count_limit 131072
vfs.zfs.vdev.min_ms_count 16
vfs.zfs.vdev.max_ms_shift 34
vfs.zfs.vdev.default_ms_shift 29
vfs.zfs.vdev.default_ms_count 200
vfs.zfs.vdev.bio_delete_disable 0
vfs.zfs.vdev.bio_flush_disable 0
vfs.zfs.vdev.mirror.non_rotating_seek_inc1
vfs.zfs.vdev.mirror.non_rotating_inc 0
vfs.zfs.vdev.mirror.rotating_seek_offset1048576
vfs.zfs.vdev.mirror.rotating_seek_inc 5
vfs.zfs.vdev.mirror.rotating_inc 0
vfs.zfs.vdev.file.physical_ashift 9
vfs.zfs.vdev.file.logical_ashift 9
vfs.zfs.txg.timeout 5
vfs.zfs.txg.history 100
vfs.zfs.trim.queue_limit 10
vfs.zfs.trim.txg_batch 32
vfs.zfs.trim.metaslab_skip 0
vfs.zfs.trim.extent_bytes_min 32768
vfs.zfs.trim.extent_bytes_max 134217728
vfs.zfs.spa.slop_shift 5
vfs.zfs.spa.asize_inflation 24
vfs.zfs.spa.upgrade_errlog_limit 0
vfs.zfs.spa.discard_memory_limit 16777216
vfs.zfs.spa.load_print_vdev_tree 0
vfs.zfs.spa.load_verify_data 1
vfs.zfs.spa.load_verify_metadata 1
vfs.zfs.spa.load_verify_shift 4
vfs.zfs.send.override_estimate_recordsize0
vfs.zfs.send.no_prefetch_queue_ff 20
vfs.zfs.send.queue_ff 20
vfs.zfs.send.no_prefetch_queue_length 1048576
vfs.zfs.send.unmodified_spill_blocks 1
vfs.zfs.send.queue_length 16777216
vfs.zfs.send.corrupt_data 0
vfs.zfs.recv.best_effort_corrective 0
vfs.zfs.recv.write_batch_size 1048576
vfs.zfs.recv.queue_ff 20
vfs.zfs.recv.queue_length 16777216
vfs.zfs.reconstruct.indirect_combinations_max4096
vfs.zfs.prefetch.hole_shift 2
vfs.zfs.prefetch.max_reorder 16777216
vfs.zfs.prefetch.max_idistance 67108864
vfs.zfs.prefetch.max_distance 67108864
vfs.zfs.prefetch.min_distance 4194304
vfs.zfs.prefetch.max_sec_reap 2
vfs.zfs.prefetch.min_sec_reap 1
vfs.zfs.prefetch.max_streams 8
vfs.zfs.prefetch.disable 0
vfs.zfs.multihost.history 0
vfs.zfs.multihost.import_intervals 20
vfs.zfs.multihost.fail_intervals 10
vfs.zfs.multihost.interval 1000
vfs.zfs.mg.fragmentation_threshold 95
vfs.zfs.mg.noalloc_threshold 0
vfs.zfs.metaslab.preload_pct 50
vfs.zfs.metaslab.find_max_tries 100
vfs.zfs.metaslab.try_hard_before_gang 0
vfs.zfs.metaslab.mem_limit 25
vfs.zfs.metaslab.max_size_cache_sec 3600
vfs.zfs.metaslab.df_use_largest_segment 0
vfs.zfs.metaslab.df_max_search 16777216
vfs.zfs.metaslab.force_ganging_pct 3
vfs.zfs.metaslab.force_ganging 16777217
vfs.zfs.metaslab.switch_threshold 2
vfs.zfs.metaslab.segment_weight_enabled 1
vfs.zfs.metaslab.bias_enabled 1
vfs.zfs.metaslab.lba_weighting_enabled 1
vfs.zfs.metaslab.fragmentation_threshold70
vfs.zfs.metaslab.fragmentation_factor_enabled1
vfs.zfs.metaslab.unload_delay_ms 600000
vfs.zfs.metaslab.unload_delay 32
vfs.zfs.metaslab.preload_limit 10
vfs.zfs.metaslab.preload_enabled 1
vfs.zfs.metaslab.debug_unload 0
vfs.zfs.metaslab.debug_load 0
vfs.zfs.metaslab.aliquot 1048576
vfs.zfs.metaslab.df_free_pct 4
vfs.zfs.metaslab.df_alloc_threshold 131072
vfs.zfs.metaslab.sm_blksz_with_log 131072
vfs.zfs.metaslab.sm_blksz_no_log 16384
vfs.zfs.lua.max_memlimit 104857600
vfs.zfs.lua.max_instrlimit 100000000
vfs.zfs.livelist.min_percent_shared 75
vfs.zfs.livelist.max_entries 500000
vfs.zfs.livelist.condense.new_alloc 0
vfs.zfs.livelist.condense.zthr_cancel 0
vfs.zfs.livelist.condense.sync_cancel 0
vfs.zfs.livelist.condense.sync_pause 0
vfs.zfs.livelist.condense.zthr_pause 0
vfs.zfs.l2arc.exclude_special 0
vfs.zfs.l2arc.mfuonly 0
vfs.zfs.l2arc.rebuild_blocks_min_l2size 1073741824
vfs.zfs.l2arc.rebuild_enabled 1
vfs.zfs.l2arc.meta_percent 33
vfs.zfs.l2arc.norw 0
vfs.zfs.l2arc.feed_again 1
vfs.zfs.l2arc.noprefetch 1
vfs.zfs.l2arc.feed_min_ms 200
vfs.zfs.l2arc.feed_secs 1
vfs.zfs.l2arc.trim_ahead 0
vfs.zfs.l2arc.headroom_boost 200
vfs.zfs.l2arc.headroom 8
vfs.zfs.l2arc.write_boost 33554432
vfs.zfs.l2arc.write_max 33554432
vfs.zfs.dedup.ddt_zap_default_ibs 15
vfs.zfs.dedup.ddt_zap_default_bs 15
vfs.zfs.dedup.prefetch 0
vfs.zfs.deadman.ziotime_ms 300000
vfs.zfs.deadman.synctime_ms 600000
vfs.zfs.deadman.failmode wait
vfs.zfs.deadman.enabled 1
vfs.zfs.deadman.checktime_ms 60000
vfs.zfs.dbuf_cache.lowater_pct 10
vfs.zfs.dbuf_cache.hiwater_pct 10
vfs.zfs.dbuf_cache.max_bytes -1
vfs.zfs.dbuf.mutex_cache_shift 0
vfs.zfs.dbuf.metadata_cache_shift 6
vfs.zfs.dbuf.cache_shift 5
vfs.zfs.dbuf.metadata_cache_max_bytes -1
vfs.zfs.condense.indirect_commit_entry_delay_ms0
vfs.zfs.condense.max_obsolete_bytes 1073741824
vfs.zfs.condense.min_mapping_bytes 131072
vfs.zfs.condense.indirect_obsolete_pct 25
vfs.zfs.condense.indirect_vdevs_enable 1
vfs.zfs.brt.brt_zap_default_ibs 12
vfs.zfs.brt.brt_zap_default_bs 12
vfs.zfs.brt.brt_zap_prefetch 1
vfs.zfs.arc.prune_task_threads 1
vfs.zfs.arc.evict_batch_limit 10
vfs.zfs.arc.eviction_pct 200
vfs.zfs.arc.dnode_reduce_percent 10
vfs.zfs.arc.dnode_limit_percent 10
vfs.zfs.arc.dnode_limit 0
vfs.zfs.arc.sys_free 0
vfs.zfs.arc.lotsfree_percent 10
vfs.zfs.arc.min_prescient_prefetch_ms 0
vfs.zfs.arc.min_prefetch_ms 0
vfs.zfs.arc.average_blocksize 8192
vfs.zfs.arc.pc_percent 0
vfs.zfs.arc.shrink_shift 0
vfs.zfs.arc.grow_retry 0
vfs.zfs.arc.meta_balance 500
vfs.zfs.arc.max 17179869184
vfs.zfs.arc.min 0
vfs.zfs.arc.no_grow_shift 5
vfs.zfs.arc.free_target 172216
vfs.zfs.crypt_sessions 19
vfs.zfs.abd_scatter_min_size 4097
vfs.zfs.abd_scatter_enabled 1
vfs.zfs.sha512_impl cycle [fastest] generic x64 avx
vfs.zfs.sha256_impl cycle [fastest] generic x64
ssse3 avx
vfs.zfs.blake3_impl cycle [fastest] generic sse2
sse41
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