Open morbidrsa opened 6 months ago
[ 9654.979258] run fstests generic/696 at 2024-05-23 22:45:00 [ 9655.620971] BTRFS: device fsid b35d3f2a-a51f-48a1-ae62-e2ab6084cab5 devid 1 transid 6 /dev/nvme1n2 (259:2) scanned by mount (1701699) [ 9655.625188] BTRFS info (device nvme1n2): first mount of filesystem b35d3f2a-a51f-48a1-ae62-e2ab6084cab5 [ 9655.625971] BTRFS info (device nvme1n2): using crc32c (crc32c-intel) checksum algorithm [ 9655.626687] BTRFS info (device nvme1n2): using free-space-tree [ 9655.640184] BTRFS info (device nvme1n2): host-managed zoned block device /dev/nvme1n2, 904 zones of 2147483648 bytes [ 9655.641145] BTRFS info (device nvme1n2): zoned: async discard ignored and disabled for zoned mode [ 9655.641879] BTRFS info (device nvme1n2): zoned mode enabled with zone size 2147483648 [ 9655.645112] BTRFS info (device nvme1n2): checking UUID tree [ 9655.737988] ====================================================== [ 9655.738471] WARNING: possible circular locking dependency detected [ 9655.738958] 6.9.0-rc7+ #1 Not tainted [ 9655.739250] ------------------------------------------------------ [ 9655.739729] kworker/u10:6/1684755 is trying to acquire lock: [ 9655.740174] ffff8d720d320610 (sb_internal#2){++++}-{0:0}, at: btrfs_inc_block_group_ro+0x59/0x240 [ 9655.740880] but task is already holding lock: [ 9655.741333] ffff8d726cb92218 (&fs_info->zoned_meta_io_lock){+.+.}-{3:3}, at: btree_write_cache_pages+0xc4/0x6e0 [ 9655.742121] which lock already depends on the new lock. [ 9655.742740] the existing dependency chain (in reverse order) is: [ 9655.743312] -> #3 (&fs_info->zoned_meta_io_lock){+.+.}-{3:3}: [ 9655.743862] __mutex_lock+0xbe/0xc00 [ 9655.744198] btree_write_cache_pages+0xc4/0x6e0 [ 9655.744586] do_writepages+0x79/0x270 [ 9655.744930] filemap_fdatawrite_wbc+0x63/0x90 [ 9655.745321] __filemap_fdatawrite_range+0x60/0x90 [ 9655.745727] btrfs_write_marked_extents+0xab/0x150 [ 9655.746147] btrfs_write_and_wait_transaction+0x56/0xe0 [ 9655.746587] create_pending_snapshot+0x11fa/0x1260 [ 9655.747004] create_pending_snapshots+0xaa/0xd0 [ 9655.747394] btrfs_commit_transaction+0x795/0x13a0 [ 9655.747811] btrfs_mksubvol+0x380/0x610 [ 9655.748159] btrfs_mksnapshot+0x79/0xb0 [ 9655.748504] __btrfs_ioctl_snap_create+0x1c2/0x1d0 [ 9655.748925] btrfs_ioctl_snap_create_v2+0x108/0x130 [ 9655.749351] btrfs_ioctl+0x1718/0x26f0 [ 9655.749689] __x64_sys_ioctl+0x97/0xd0 [ 9655.750041] do_syscall_64+0x95/0x180 [ 9655.750376] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9655.750817] -> #2 (&fs_info->reloc_mutex){+.+.}-{3:3}: [ 9655.751323] __mutex_lock+0xbe/0xc00 [ 9655.751641] btrfs_commit_transaction+0x78d/0x13a0 [ 9655.752033] sync_filesystem+0x7e/0xa0 [ 9655.752323] generic_shutdown_super+0x26/0x110 [ 9655.752650] kill_anon_super+0x16/0x40 [ 9655.752938] btrfs_kill_super+0x16/0x20 [ 9655.753231] deactivate_locked_super+0x33/0xa0 [ 9655.753556] cleanup_mnt+0xba/0x150 [ 9655.753826] task_work_run+0x5c/0xa0 [ 9655.754105] syscall_exit_to_user_mode+0x292/0x2a0 [ 9655.754454] do_syscall_64+0xa2/0x180 [ 9655.754730] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9655.755103] -> #1 (btrfs_trans_unblocked){++++}-{0:0}: [ 9655.755536] wait_current_trans+0xc5/0x1b0 [ 9655.755848] start_transaction+0x40a/0xa70 [ 9655.756153] btrfs_finish_one_ordered+0x3b7/0xad0 [ 9655.756506] btrfs_work_helper+0x10a/0x4c0 [ 9655.756816] process_one_work+0x228/0x740 [ 9655.757121] worker_thread+0x1dc/0x3c0 [ 9655.757406] kthread+0xe3/0x110 [ 9655.757654] ret_from_fork+0x34/0x50 [ 9655.757937] ret_from_fork_asm+0x1a/0x30 [ 9655.758235] -> #0 (sb_internal#2){++++}-{0:0}: [ 9655.758629] __lock_acquire+0x13e7/0x2180 [ 9655.758941] lock_acquire+0xcb/0x2e0 [ 9655.759213] start_transaction+0x4bb/0xa70 [ 9655.759520] btrfs_inc_block_group_ro+0x59/0x240 [ 9655.759869] do_zone_finish+0x90/0x3f0 [ 9655.760158] btrfs_zone_finish_one_bg+0x113/0x130 [ 9655.760502] btrfs_check_meta_write_pointer+0x22a/0x2c0 [ 9655.760883] btree_write_cache_pages+0x1e6/0x6e0 [ 9655.761222] do_writepages+0x79/0x270 [ 9655.761505] __writeback_single_inode+0x5b/0x4d0 [ 9655.761850] writeback_sb_inodes+0x1fc/0x540 [ 9655.762167] wb_writeback+0xcb/0x3b0 [ 9655.762440] wb_workfn+0xda/0x530 [ 9655.762703] process_one_work+0x228/0x740 [ 9655.763009] worker_thread+0x1dc/0x3c0 [ 9655.763299] kthread+0xe3/0x110 [ 9655.763547] ret_from_fork+0x34/0x50 [ 9655.763824] ret_from_fork_asm+0x1a/0x30 [ 9655.764121] other info that might help us debug this: [ 9655.764647] Chain exists of: sb_internal#2 --> &fs_info->reloc_mutex --> &fs_info->zoned_meta_io_lock [ 9655.765453] Possible unsafe locking scenario: [ 9655.765846] CPU0 CPU1 [ 9655.766147] ---- ---- [ 9655.766453] lock(&fs_info->zoned_meta_io_lock); [ 9655.766770] lock(&fs_info->reloc_mutex); [ 9655.767210] lock(&fs_info->zoned_meta_io_lock); [ 9655.767684] rlock(sb_internal#2); [ 9655.767928] *** DEADLOCK *** [ 9655.768321] 3 locks held by kworker/u10:6/1684755: [ 9655.768638] #0: ffff8d7200cb0948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x43a/0x740 [ 9655.769274] #1: ffffb9228729fe60 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x1e2/0x740 [ 9655.769980] #2: ffff8d726cb92218 (&fs_info->zoned_meta_io_lock){+.+.}-{3:3}, at: btree_write_cache_pages+0xc4/0x6e0 [ 9655.770671] stack backtrace: [ 9655.770981] CPU: 1 PID: 1684755 Comm: kworker/u10:6 Kdump: loaded Not tainted 6.9.0-rc7+ #1 [ 9655.771533] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS edk2-20231122-3.fc39 11/22/2023 [ 9655.772131] Workqueue: writeback wb_workfn (flush-btrfs-1953) [ 9655.772515] Call Trace: [ 9655.772686] <TASK> [ 9655.772842] dump_stack_lvl+0x77/0xb0 [ 9655.773094] check_noncircular+0x148/0x160 [ 9655.773378] __lock_acquire+0x13e7/0x2180 [ 9655.773650] ? fs_reclaim_acquire+0x4c/0xf0 [ 9655.773936] ? srso_return_thunk+0x5/0x5f [ 9655.774217] lock_acquire+0xcb/0x2e0 [ 9655.774460] ? btrfs_inc_block_group_ro+0x59/0x240 [ 9655.774788] ? lock_is_held_type+0x9a/0x110 [ 9655.775073] start_transaction+0x4bb/0xa70 [ 9655.775349] ? btrfs_inc_block_group_ro+0x59/0x240 [ 9655.775671] btrfs_inc_block_group_ro+0x59/0x240 [ 9655.775984] do_zone_finish+0x90/0x3f0 [ 9655.776248] btrfs_zone_finish_one_bg+0x113/0x130 [ 9655.776564] btrfs_check_meta_write_pointer+0x22a/0x2c0 [ 9655.776915] btree_write_cache_pages+0x1e6/0x6e0 [ 9655.777243] do_writepages+0x79/0x270 [ 9655.777491] ? srso_return_thunk+0x5/0x5f [ 9655.777762] ? lock_acquire+0xcb/0x2e0 [ 9655.778015] ? srso_return_thunk+0x5/0x5f [ 9655.778284] ? find_held_lock+0x2b/0x80 [ 9655.778546] __writeback_single_inode+0x5b/0x4d0 [ 9655.778858] ? do_raw_spin_unlock+0x4d/0xb0 [ 9655.779138] ? srso_return_thunk+0x5/0x5f [ 9655.779418] writeback_sb_inodes+0x1fc/0x540 [ 9655.779727] wb_writeback+0xcb/0x3b0 [ 9655.779977] wb_workfn+0xda/0x530 [ 9655.780205] ? srso_return_thunk+0x5/0x5f [ 9655.780473] ? lock_release+0xca/0x2a0 [ 9655.780726] ? lock_is_held_type+0x9a/0x110 [ 9655.781012] process_one_work+0x228/0x740 [ 9655.781283] ? srso_return_thunk+0x5/0x5f [ 9655.781556] worker_thread+0x1dc/0x3c0 [ 9655.781814] ? __pfx_worker_thread+0x10/0x10 [ 9655.782102] kthread+0xe3/0x110 [ 9655.782329] ? __pfx_kthread+0x10/0x10 [ 9655.782615] ret_from_fork+0x34/0x50 [ 9655.782877] ? __pfx_kthread+0x10/0x10 [ 9655.783132] ret_from_fork_asm+0x1a/0x30 [ 9655.783403] </TASK> [ 9655.787793] BTRFS info (device nvme0n2): last unmount of filesystem 16416b7b-8293-44d6-821e-da28d304e2fd [ 9655.839914] BTRFS: device fsid 16416b7b-8293-44d6-821e-da28d304e2fd devid 1 transid 41462 /dev/nvme0n2 (259:3) scanned by mount (1701744) [ 9655.862189] BTRFS info (device nvme0n2): first mount of filesystem 16416b7b-8293-44d6-821e-da28d304e2fd [ 9655.862860] BTRFS info (device nvme0n2): using crc32c (crc32c-intel) checksum algorithm [ 9655.863441] BTRFS info (device nvme0n2): using free-space-tree [ 9655.868835] BTRFS info (device nvme0n2): host-managed zoned block device /dev/nvme0n2, 904 zones of 2147483648 bytes [ 9655.869607] BTRFS info (device nvme0n2): zoned: async discard ignored and disabled for zoned mode [ 9655.870236] BTRFS info (device nvme0n2): zoned mode enabled with zone size 2147483648 [ 9655.922465] BTRFS info (device nvme1n2): last unmount of filesystem b35d3f2a-a51f-48a1-ae62-e2ab6084cab5 [ 9655.944342] BTRFS: device fsid b35d3f2a-a51f-48a1-ae62-e2ab6084cab5 devid 1 transid 7 /dev/nvme1n2 (259:2) scanned by mount (1701774) [ 9655.947155] BTRFS info (device nvme1n2): first mount of filesystem b35d3f2a-a51f-48a1-ae62-e2ab6084cab5 [ 9655.947810] BTRFS info (device nvme1n2): using crc32c (crc32c-intel) checksum algorithm [ 9655.948357] BTRFS info (device nvme1n2): using free-space-tree [ 9655.953701] BTRFS info (device nvme1n2): host-managed zoned block device /dev/nvme1n2, 904 zones of 2147483648 bytes [ 9655.954454] BTRFS info (device nvme1n2): zoned: async discard ignored and disabled for zoned mode [ 9655.955053] BTRFS info (device nvme1n2): zoned mode enabled with zone size 2147483648 [ 9655.963649] BTRFS info (device nvme1n2): last unmount of filesystem b35d3f2a-a51f-48a1-ae62-e2ab6084cab5
morbidrsa
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6 months ago morbidrsa
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6 months ago