https://bugzilla.kernel.org/show_bug.cgi?id=201819 Bug ID: 201819 Summary: [xfstests generic/299]: WARNING: CPU: 15 PID: 23147 at kernel/workqueue.c:4170 destroy_workqueue+0x118/0x590 Product: File System Version: 2.5 Kernel Version: xfs-4.20-fixes-2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: XFS Assignee: filesystem_xfs@xxxxxxxxxxxxxxxxxxxxxx Reporter: zlang@xxxxxxxxxx Regression: No xfstests g/299 hit a kernel warning on xfs-linux git tree (HEAD=xfs-4.20-fixes-2). It's not 100% reproducible, but it's reproducible. I've hit it twice. Need to run g/299 many times. FSTYP -- xfs (non-debug) PLATFORM -- Linux/x86_64 xxxx 4.20.0-rc1 MKFS_OPTIONS -- -f -b size=2048 -m reflink=1,rmapbt=1 /dev/mapper/xxxx-xfscratch MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/mapper/xxxx--10-xfscratch /mnt/scratch generic/299 261s ... _check_dmesg: something found in dmesg (see /root/git/xfstests-dev/results//generic/299.dmesg) Ran: generic/299 Failures: generic/299 Failed 1 of 1 tests [169599.199807] run fstests generic/299 at 2018-11-28 02:52:27 [169600.274921] XFS (dm-3): Unmounting Filesystem [169604.455628] XFS (dm-3): Mounting V5 Filesystem [169604.530688] XFS (dm-3): Ending clean mount [169834.809118] XFS (dm-3): Unmounting Filesystem [169835.490822] WARNING: CPU: 15 PID: 23147 at kernel/workqueue.c:4170 destroy_workqueue+0x118/0x590 [169835.500736] Modules linked in: sunrpc intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cst ate iTCO_wdt intel_uncore ipmi_ssif iTCO_vendor_support rndis_host cdc_ether usbnet sg ipmi_si mii pcspkr intel_rapl_perf ioatdma i2c_i801 ipmi_devintf lpc_ich ipmi_msghandler xfs libcrc32c s d_mod mgag200 drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm wmi drm igb crc32c_intel megaraid_sas dca i2c_algo_bit dm_mirror dm_region_hash dm_log dm_mod [169835.554726] CPU: 15 PID: 23147 Comm: umount Tainted: G W 4.20.0-rc1 #1 [169835.563565] Hardware name: IBM System x3650 M4 -[7915ON3]-/00J6520, BIOS -[VVE124AUS-1.30]- 11/21/2012 [169835.574053] RIP: 0010:destroy_workqueue+0x118/0x590 [169835.579596] Code: b5 20 01 00 00 74 71 49 8d 7e 18 48 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 74 08 3c 03 0f 8e 01 04 00 00 41 83 7e 18 01 7e 4e <0f> 0b eb aa e8 9f 8b 12 00 85 c0 0f 85 61 ff ff ff 48 8d bd 90 00 [169835.600662] RSP: 0018:ffff88012d757d48 EFLAGS: 00010202 [169835.606585] RAX: 0000000000000000 RBX: ffffe8fd73c46458 RCX: 0000000000000000 [169835.614647] RDX: 0000000000000000 RSI: ffffe8fd73c46458 RDI: ffffe8fd73c46418 [169835.622710] RBP: ffff8801dd73aa80 R08: ffffed003d83daf8 R09: ffffed003d83daf7 [169835.630773] R10: ffffed003d83daf7 R11: ffff8801ec1ed7bb R12: ffffed003bae7574 [169835.638835] R13: ffff8801dd73aaa0 R14: ffffe8fd73c46400 R15: dffffc0000000000 [169835.646898] FS: 00007f5a6a6b6080(0000) GS:ffff8801ec000000(0000) knlGS:0000000000000000 [169835.656028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [169835.662538] CR2: 0000557fe04ac928 CR3: 00000001217ca004 CR4: 00000000000606e0 [169835.670600] Call Trace: [169835.673523] xfs_fs_put_super+0xbf/0x130 [xfs] [169835.678589] generic_shutdown_super+0x12e/0x330 [169835.683747] kill_block_super+0x94/0xe0 [169835.688130] deactivate_locked_super+0x82/0xd0 [169835.693190] deactivate_super+0x123/0x140 [169835.697767] ? get_super_exclusive_thawed+0x10/0x10 [169835.703315] ? rcu_is_watching+0x2c/0x80 [169835.707798] cleanup_mnt+0x9f/0x130 [169835.711792] task_work_run+0x10e/0x190 [169835.716085] exit_to_usermode_loop+0x136/0x160 [169835.721147] do_syscall_64+0x3c3/0x480 [169835.725435] entry_SYSCALL_64_after_hwframe+0x49/0xbe [169835.731173] RIP: 0033:0x7f5a696eea3b [169835.735263] Code: 14 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 14 2c 00 f7 d8 64 89 01 48 [169835.756320] RSP: 002b:00007ffc4f302678 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [169835.764869] RAX: 0000000000000000 RBX: 000055977fde82d0 RCX: 00007f5a696eea3b [169835.772930] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 000055977fdf0a10 [169835.780993] RBP: 0000000000000000 R08: 000055977fdf0a30 R09: 00007ffc4f300ee0 [169835.789055] R10: 0000000000000000 R11: 0000000000000246 R12: 000055977fdf0a10 [169835.797118] R13: 00007f5a6a49a184 R14: 000055977fde84b0 R15: 00000000ffffffff [169835.805198] irq event stamp: 5017000 [169835.809288] hardirqs last enabled at (5016999): [<ffffffff85f7ed09>] _raw_spin_unlock_irq+0x29/0x40 [169835.819583] hardirqs last disabled at (5017000): [<ffffffff844054d1>] trace_hardirqs_off_thunk+0x1a/0x1c [169835.830266] softirqs last enabled at (5016824): [<ffffffff862006a8>] __do_softirq+0x6a8/0xa1c [169835.839981] softirqs last disabled at (5016817): [<ffffffff845bfbc1>] irq_exit+0x281/0x2d0 [169835.849303] ---[ end trace 784ab3a3b5d6ccc5 ]--- [169835.854644] Showing busy workqueues and worker pools: [169835.860439] workqueue mm_percpu_wq: flags=0x8 [169835.865651] pwq 30: cpus=15 node=0 flags=0x0 nice=0 active=1/256 [169835.873167] pending: vmstat_update [169835.955915] XFS (dm-2): Unmounting Filesystem -- You are receiving this mail because: You are watching the assignee of the bug.
