https://bugzilla.kernel.org/show_bug.cgi?id=216564 Bug ID: 216564 Summary: [xfstests xfs/013] WARNING: CPU: 4 PID: 3240987 at fs/dax.c:380 dax_insert_entry+0x6b8/0xa70 Product: File System Version: 2.5 Kernel Version: v6.1-rc0 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: XFS Assignee: filesystem_xfs@xxxxxxxxxxxxxxxxxxxxxx Reporter: zlang@xxxxxxxxxx Regression: No I hit below kernel warning on xfs (on pmem) with: MOUNT_OPTIONS="-o dax=always". MKFS_OPTIONS="-b size=4096 -d su=2m,sw=1 -m crc=1,finobt=1,rmapbt=0,reflink=0,inobtcount=1,bigtime=1" And besides xfs/013, others cases likes xfs/104, xfs/168 and xfs/538 triggered this warning too. [16212.233693] run fstests xfs/013 at 2022-10-08 15:17:59 [16220.298671] XFS (pmem0): DAX enabled. Warning: EXPERIMENTAL, use at your own risk [16220.307421] XFS (pmem0): Mounting V5 Filesystem [16220.328753] XFS (pmem0): Ending clean mount [16220.353113] XFS (pmem0): Unmounting Filesystem [16220.979982] XFS (pmem0): DAX enabled. Warning: EXPERIMENTAL, use at your own risk [16220.988705] XFS (pmem0): Mounting V5 Filesystem [16221.010026] XFS (pmem0): Ending clean mount [17212.927302] ------------[ cut here ]------------ [17212.932779] WARNING: CPU: 4 PID: 3240987 at fs/dax.c:380 dax_insert_entry+0x6b8/0xa70 [17212.940623] Modules linked in: overlay dm_log_writes ext4 mbcache jbd2 loop rfkill sunrpc intel_rapl_msr intel_rapl_common intel_uncore_frequency mgag200 intel_uncore_frequency_common ipmi_ssif i2c_algo_bit mlx5_ib drm_shmem_helper i10nm_edac drm_kms_helper nfit syscopyarea x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel dcdbas kvm irqbypass dell_smbios rapl intel_cstate ib_uverbs intel_uncore nd_pmem dax_pmem pcspkr dell_wmi_descriptor wmi_bmof mei_me isst_if_mmio ib_core isst_if_mbox_pci sysfillrect acpi_ipmi isst_if_common i2c_i801 sysimgblt fb_sys_fops i2c_smbus mei ipmi_si intel_pch_thermal intel_vsec ipmi_devintf ipmi_msghandler acpi_power_meter drm fuse xfs libcrc32c sd_mod t10_pi sg mlx5_core crct10dif_pclmul crc32_pclmul crc32c_intel mlxfw ghash_clmulni_intel ahci tls libahci psample megaraid_sas pci_hyperv_intf tg3 libata wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_debug] [17213.021327] CPU: 4 PID: 3240987 Comm: fsstress Kdump: loaded Tainted: G W 6.0.0+ #1 [17213.030374] Hardware name: Dell Inc. PowerEdge R750/0PJ80M, BIOS 1.5.4 12/17/2021 [17213.037852] RIP: 0010:dax_insert_entry+0x6b8/0xa70 [17213.042655] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 48 c1 ee 03 42 80 3c 26 00 0f 85 18 03 00 00 48 8b 7b 20 48 8d 6f 01 e9 9b fe ff ff <0f> 0b e9 e3 fe ff ff 31 f6 4c 89 ef 44 89 04 24 e8 c3 a2 62 00 44 [17213.061409] RSP: 0000:ffa000002a4f7818 EFLAGS: 00010086 [17213.066644] RAX: ffd4000004060d40 RBX: ffd4000004060d00 RCX: 0000000000000000 [17213.073783] RDX: 0000000000000290 RSI: ff110011667bc448 RDI: ff1100096a1e7008 [17213.080917] RBP: ffd4000004060d18 R08: 0000000000000000 R09: ffffffff98787fc7 [17213.088049] R10: fffffbfff30f0ff8 R11: 0000000000000001 R12: dffffc0000000000 [17213.095182] R13: ffa000002a4f7a58 R14: ff11001143a5fc48 R15: 0000000000000008 [17213.102316] FS: 00007fb39b93b740(0000) GS:ff11000cd9600000(0000) knlGS:0000000000000000 [17213.110410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [17213.116154] CR2: 00007fb39b935000 CR3: 0000000a4a274005 CR4: 0000000000771ee0 [17213.123288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [17213.130420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [17213.137553] PKRU: 55555554 [17213.140267] Call Trace: [17213.142720] <TASK> [17213.144835] ? dax_read_unlock+0xd/0x40 [17213.148687] ? __dax_invalidate_entry+0x1f0/0x1f0 [17213.153402] ? dax_read_unlock+0x20/0x40 [17213.157334] ? dax_iomap_direct_access+0x14d/0x1d0 [17213.162143] dax_fault_iter+0x29d/0x6d0 [17213.166002] ? dax_pmd_load_hole+0xa50/0xa50 [17213.170289] ? iomap_iter+0x83b/0xdc0 [17213.173978] dax_iomap_pte_fault+0x3ec/0xa40 [17213.178264] ? dax_fault_iter+0x6d0/0x6d0 [17213.182299] ? lock_acquire+0x1d8/0x620 [17213.186186] ? xfs_ilock+0x162/0x4d0 [xfs] [17213.190442] ? xfs_ilock+0x162/0x4d0 [xfs] [17213.194691] __xfs_filemap_fault+0x612/0x8f0 [xfs] [17213.199621] ? xfs_file_fsync+0xae0/0xae0 [xfs] [17213.204299] __do_fault+0xf5/0x440 [17213.207717] do_fault+0x427/0x710 [17213.211047] __handle_mm_fault+0xa15/0xe60 [17213.215171] ? vm_iomap_memory+0x150/0x150 [17213.219271] ? __lock_release+0x4c1/0xa00 [17213.223311] ? count_memcg_event_mm.part.0+0xbd/0x1d0 [17213.228381] handle_mm_fault+0x16b/0x5e0 [17213.232325] do_user_addr_fault+0x343/0xdd0 [17213.236523] ? rcu_read_lock_sched_held+0x43/0x80 [17213.241241] exc_page_fault+0x5a/0xe0 [17213.244920] asm_exc_page_fault+0x22/0x30 [17213.248939] RIP: 0033:0x7fb39b6cb17a [17213.252527] Code: 00 00 b9 ff ff ff ff c4 e2 68 f5 c9 c5 fb 92 c9 62 e1 7f 29 7f 00 c3 66 0f 1f 84 00 00 00 00 00 40 0f b6 c6 48 89 d1 48 89 fa <f3> aa 48 89 d0 c3 48 3b 15 51 f2 12 00 77 e7 62 e1 fe 28 7f 07 62 [17213.271279] RSP: 002b:00007fff0a1fbee8 EFLAGS: 00010206 [17213.276516] RAX: 0000000000000056 RBX: 0000000000289000 RCX: 0000000000005524 [17213.283647] RDX: 00007fb39b92e000 RSI: 0000000000000056 RDI: 00007fb39b935000 [17213.290781] RBP: 028f5c28f5c28f5c R08: 0000000000000000 R09: 0000000000289000 [17213.297913] R10: 0000000000000008 R11: 0000000000000246 R12: 000000000000c524 [17213.305045] R13: 8f5c28f5c28f5c29 R14: 000000000040cff0 R15: 00007fb39b93b6c0 [17213.312205] </TASK> [17213.314397] irq event stamp: 9780986 [17213.317975] hardirqs last enabled at (9780985): [<ffffffff93a205f9>] kasan_quarantine_put+0x109/0x220 [17213.327284] hardirqs last disabled at (9780986): [<ffffffff954adafe>] _raw_spin_lock_irq+0x5e/0x90 [17213.336245] softirqs last enabled at (9776938): [<ffffffff95800625>] __do_softirq+0x625/0x9b0 [17213.344859] softirqs last disabled at (9776931): [<ffffffff9322640c>] __irq_exit_rcu+0x1fc/0x2a0 [17213.353648] ---[ end trace 0000000000000000 ]--- [17636.123091] ------------[ cut here ]------------ [17636.128588] WARNING: CPU: 14 PID: 3240987 at fs/dax.c:404 dax_disassociate_entry+0x82/0x2c0 [17636.136952] Modules linked in: overlay dm_log_writes ext4 mbcache jbd2 loop rfkill sunrpc intel_rapl_msr intel_rapl_common intel_uncore_frequency mgag200 intel_uncore_frequency_common ipmi_ssif i2c_algo_bit mlx5_ib drm_shmem_helper i10nm_edac drm_kms_helper nfit syscopyarea x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel dcdbas kvm irqbypass dell_smbios rapl intel_cstate ib_uverbs intel_uncore nd_pmem dax_pmem pcspkr dell_wmi_descriptor wmi_bmof mei_me isst_if_mmio ib_core isst_if_mbox_pci sysfillrect acpi_ipmi isst_if_common i2c_i801 sysimgblt fb_sys_fops i2c_smbus mei ipmi_si intel_pch_thermal intel_vsec ipmi_devintf ipmi_msghandler acpi_power_meter drm fuse xfs libcrc32c sd_mod t10_pi sg mlx5_core crct10dif_pclmul crc32_pclmul crc32c_intel mlxfw ghash_clmulni_intel ahci tls libahci psample megaraid_sas pci_hyperv_intf tg3 libata wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_debug] [17636.217656] CPU: 14 PID: 3240987 Comm: fsstress Kdump: loaded Tainted: G W 6.0.0+ #1 [17636.226791] Hardware name: Dell Inc. PowerEdge R750/0PJ80M, BIOS 1.5.4 12/17/2021 [17636.234277] RIP: 0010:dax_disassociate_entry+0x82/0x2c0 [17636.239513] Code: c1 e8 03 42 80 3c 20 00 0f 85 c3 01 00 00 48 8b 43 18 4c 8d 53 20 48 83 f8 01 0f 84 ec 00 00 00 48 39 c8 74 07 48 85 c0 74 02 <0f> 0b 4c 89 c8 48 c1 e8 03 42 80 3c 20 00 0f 85 61 01 00 00 4c 89 [17636.258268] RSP: 0018:ffa000002a4f7780 EFLAGS: 00010086 [17636.263500] RAX: ff1100060b511448 RBX: ffd40000091176c0 RCX: ff11001144b58448 [17636.270634] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffd40000091176f4 [17636.277765] RBP: 00000000002445db R08: 0000000000000000 R09: ffd40000091176d8 [17636.284900] R10: ffd40000091176e0 R11: 0000000000000001 R12: dffffc0000000000 [17636.292030] R13: ffd40000091176f4 R14: 00000000002445db R15: fffffbfff2c5c28a [17636.299165] FS: 00007fb39b93b740(0000) GS:ff11000cdaa00000(0000) knlGS:0000000000000000 [17636.307251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [17636.313005] CR2: 00007fb39b93a000 CR3: 0000000a4a274005 CR4: 0000000000771ee0 [17636.320138] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [17636.327269] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [17636.334402] PKRU: 55555554 [17636.337117] Call Trace: [17636.339568] <TASK> [17636.341691] __dax_invalidate_entry+0xe1/0x1f0 [17636.346150] ? dax_layout_busy_page+0x20/0x20 [17636.350533] ? find_lock_entries+0x508/0x940 [17636.354821] dax_delete_mapping_entry+0xf/0x20 [17636.359278] truncate_folio_batch_exceptionals.part.0+0x400/0x510 [17636.365391] ? clear_shadow_entry+0x210/0x210 [17636.369783] truncate_inode_pages_range+0x1a8/0xe10 [17636.374681] ? truncate_inode_partial_folio+0x890/0x890 [17636.379931] ? unmap_mapping_range+0xe0/0x250 [17636.384323] ? xfs_bmap_collapse_extents+0x650/0x650 [xfs] [17636.389964] xfs_flush_unmap_range+0xca/0x110 [xfs] [17636.394981] xfs_prepare_shift+0x103/0x210 [xfs] [17636.399738] xfs_insert_file_space+0x30e/0x5e0 [xfs] [17636.404836] ? xfs_collapse_file_space+0x570/0x570 [xfs] [17636.410274] ? xfs_vn_getattr+0x12f0/0x1320 [xfs] [17636.415117] ? setattr_prepare+0xe6/0x9e0 [17636.419156] xfs_file_fallocate+0x5c0/0xdd0 [xfs] [17636.424002] ? xfs_break_layouts+0x130/0x130 [xfs] [17636.428925] ? rcu_read_unlock+0x40/0x40 [17636.432886] vfs_fallocate+0x2aa/0xbb0 [17636.436654] __x64_sys_fallocate+0xb4/0x100 [17636.440853] do_syscall_64+0x59/0x90 [17636.444439] ? do_syscall_64+0x69/0x90 [17636.448196] ? lockdep_hardirqs_on+0x79/0x100 [17636.452568] ? do_syscall_64+0x69/0x90 [17636.456327] ? do_syscall_64+0x69/0x90 [17636.460078] ? do_syscall_64+0x69/0x90 [17636.463832] ? asm_exc_page_fault+0x22/0x30 [17636.468027] ? lockdep_hardirqs_on+0x79/0x100 [17636.472398] entry_SYSCALL_64_after_hwframe+0x63/0xcd [17636.477455] RIP: 0033:0x7fb39b7432ca [17636.481043] Code: d8 64 89 02 b8 ff ff ff ff eb bd 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 1d 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24 [17636.499790] RSP: 002b:00007fff0a1fbfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [17636.507364] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb39b7432ca [17636.514498] RDX: 0000000000039000 RSI: 0000000000000020 RDI: 0000000000000003 [17636.521636] RBP: 0000000000000003 R08: 0000000000000068 R09: 00007fff0a1fbfdc [17636.528771] R10: 0000000000063000 R11: 0000000000000246 R12: 0000000000017c23 [17636.535904] R13: 0000000000063000 R14: 0000000000000000 R15: 0000000000039000 [17636.543062] </TASK> [17636.545254] irq event stamp: 66760960 [17636.548920] hardirqs last enabled at (66760959): [<ffffffff954addf4>] _raw_spin_unlock_irq+0x24/0x50 [17636.558140] hardirqs last disabled at (66760960): [<ffffffff954adafe>] _raw_spin_lock_irq+0x5e/0x90 [17636.567182] softirqs last enabled at (66760216): [<ffffffff95800625>] __do_softirq+0x625/0x9b0 [17636.575884] softirqs last disabled at (66760209): [<ffffffff9322640c>] __irq_exit_rcu+0x1fc/0x2a0 [17636.584756] ---[ end trace 0000000000000000 ]--- [18289.471495] XFS (pmem0): Unmounting Filesystem [18291.618034] XFS (pmem1): Unmounting Filesystem -- You may reply to this email to add a comment. 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