Hello blktests block/031 triggered below WARNING with latest linux-block/for-next[1], pls check it. [1] f0afafc21027 (HEAD, origin/for-next) Merge branch 'for-5.17/io_uring' into for-next [2] [ 1801.516136] run blktests block/031 at 2021-11-25 05:51:22 [ 1801.691193] null_blk: module loaded [ 1847.593539] ------------[ cut here ]------------ [ 1847.598906] statistics for priority 1: i 90452 m 0 d 182486 c 90326 [ 1847.606024] WARNING: CPU: 8 PID: 12958 at block/mq-deadline.c:600 dd_exit_sched+0x1c6/0x260 [ 1847.615439] Modules linked in: null_blk sr_mod cdrom rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs rfkill sunrpc vfat fat dm_multipath intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm mgag200 i2c_algo_bit drm_kms_helper irqbypass crct10dif_pclmul crc32_pclmul syscopyarea ghash_clmulni_intel sysfillrect rapl sysimgblt intel_cstate fb_sys_fops iTCO_wdt iTCO_vendor_support drm intel_uncore pcspkr cdc_ether mxm_wmi usbnet mii lpc_ich ipmi_ssif mei_me mei ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter acpi_pad xfs libcrc32c sd_mod sg nvme crc32c_intel nvme_core t10_pi ahci libahci tg3 libata megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: null_blk] [ 1847.691165] CPU: 8 PID: 12958 Comm: rmdir Tainted: G S 5.16.0-rc2+ #2 [ 1847.699888] Hardware name: Dell Inc. PowerEdge R730xd/ɲ\xdePow, BIOS 2.13.0 05/14/2021 [ 1847.708633] RIP: 0010:dd_exit_sched+0x1c6/0x260 [ 1847.713782] Code: 34 48 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 74 04 3c 03 7e 63 8b 55 30 41 89 d9 44 89 f6 48 c7 c7 a0 f3 47 a5 e8 6e 09 28 01 <0f> 0b e9 08 ff ff ff 0f 0b e9 e0 fe ff ff 48 89 d7 48 89 14 24 e8 [ 1847.734845] RSP: 0018:ffff88816917fb18 EFLAGS: 00010282 [ 1847.740763] RAX: 0000000000000000 RBX: 00000000000160d6 RCX: 0000000000000000 [ 1847.748810] RDX: 0000000000000001 RSI: ffffffffa548e4a0 RDI: ffffffffa89e2c40 [ 1847.756856] RBP: ffff8882b8584880 R08: ffffed103cb3fad1 R09: ffffed103cb3fad1 [ 1847.764901] R10: ffff8881e59fd687 R11: ffffed103cb3fad0 R12: ffff8882b8584800 [ 1847.772936] R13: ffff8882b8584948 R14: 0000000000000001 R15: dffffc0000000000 [ 1847.780974] FS: 00007f50bb899540(0000) GS:ffff8881e5800000(0000) knlGS:0000000000000000 [ 1847.790078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1847.796574] CR2: 000055bb317c00a8 CR3: 0000000139ecc003 CR4: 00000000001706e0 [ 1847.804608] Call Trace: [ 1847.807418] <TASK> [ 1847.810232] blk_mq_exit_sched+0x1db/0x2d0 [ 1847.814888] ? blk_release_queue+0xda/0x2d0 [ 1847.819674] elevator_exit+0x44/0x60 [ 1847.823752] blk_release_queue+0x13a/0x2d0 [ 1847.828416] kobject_release+0x10c/0x3a0 [ 1847.832893] disk_release+0x195/0x250 [ 1847.837066] device_release+0x9b/0x210 [ 1847.841333] kobject_release+0x10c/0x3a0 [ 1847.845799] null_del_dev.part.36+0x1e5/0x500 [null_blk] [ 1847.851837] nullb_group_drop_item+0xa4/0xd0 [null_blk] [ 1847.857754] configfs_rmdir+0x631/0x830 [ 1847.862185] ? configfs_unregister_subsystem+0x500/0x500 [ 1847.868226] vfs_rmdir+0x150/0x4c0 [ 1847.872124] do_rmdir+0x1bd/0x330 [ 1847.876260] ? __x64_sys_mkdir+0x80/0x80 [ 1847.880741] ? __check_object_size+0x272/0x330 [ 1847.885805] ? strncpy_from_user+0x66/0x340 [ 1847.890554] ? lockdep_hardirqs_on+0x79/0x100 [ 1847.895522] ? getname_flags+0xf8/0x510 [ 1847.899907] __x64_sys_rmdir+0x3e/0x50 [ 1847.904197] do_syscall_64+0x3a/0x80 [ 1847.908275] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1847.913995] RIP: 0033:0x7f50bb39f1cb [ 1847.918062] Code: 73 01 c3 48 8b 0d bd fc 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8d fc 2c 00 f7 d8 64 89 01 48 [ 1847.939096] RSP: 002b:00007ffc5d7789c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 [ 1847.947629] RAX: ffffffffffffffda RBX: 00007ffc5d779271 RCX: 00007f50bb39f1cb [ 1847.955690] RDX: 00007f50bb6725c0 RSI: 0000000000000001 RDI: 00007ffc5d779271 [ 1847.963729] RBP: 00007ffc5d778af8 R08: 0000000000000000 R09: 0000000000000000 [ 1847.971768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1847.979804] R13: 00007f50bb66f374 R14: 0000000000000000 R15: 0000000000000000 [ 1847.987916] </TASK> [ 1847.990429] irq event stamp: 25523 [ 1847.994295] hardirqs last enabled at (25533): [<ffffffffa2d97e02>] __up_console_sem+0x52/0x60 [ 1848.003992] hardirqs last disabled at (25542): [<ffffffffa2d97de7>] __up_console_sem+0x37/0x60 [ 1848.013675] softirqs last enabled at (25344): [<ffffffffa500064a>] __do_softirq+0x64a/0xa4c [ 1848.023200] softirqs last disabled at (25247): [<ffffffffa2c149ae>] irq_exit_rcu+0x1ce/0x250 [ 1848.032702] ---[ end trace 622a93ec5416c956 ]--- -- Best Regards, Yi Zhang
