Hello Here is another issue triggered with blktests nvmeof-mp/012 on ppc64le > Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git > Commit: 1983520d28d8 - Merge branch 'for-5.16/io_uring' into for-next [ 198.810575] run blktests nvmeof-mp/012 at 2021-10-18 14:04:34 [ 198.880348] null_blk: module loaded [ 198.952441] device-mapper: table: 253:1: multipath: error getting device [ 198.952458] device-mapper: ioctl: error adding target to table [ 198.952642] SoftiWARP attached [ 199.070415] nvmet: adding nsid 1 to subsystem nvme-test [ 199.079054] nvmet_rdma: enabling port 1 (10.0.2.177:7777) [ 199.172211] nvmet: creating controller 1 for subsystem nvme-test for NQN nqn.2014-08.org.nvmexpress:uuid:548b1456-be56-4e3b-b887-a93e4557c960. [ 199.172631] nvme nvme0: creating 8 I/O queues. [ 199.176935] nvme nvme0: mapped 8/0/0 default/read/poll queues. [ 199.177528] nvme nvme0: new ctrl: NQN "nvme-test", addr 10.0.2.177:7777 [ 199.191054] device-mapper: table: 253:1: multipath: error getting device [ 199.191065] device-mapper: ioctl: error adding target to table [ 199.302695] device-mapper: table: 253:2: multipath: error getting device [ 199.302703] device-mapper: ioctl: error adding target to table [ 201.342136] ------------[ cut here ]------------ [ 201.342149] statistics for priority 1: i 5803 m 0 d 5803 c 6467 [ 201.342163] WARNING: CPU: 4 PID: 10482 at block/mq-deadline.c:597 dd_exit_sched+0x198/0x1d0 [ 201.342171] Modules linked in: nvme nvmet_rdma nvmet siw null_blk nvme_rdma nvme_fabrics rdma_cm iw_cm ib_cm dm_service_time scsi_dh_rdac scsi_dh_emc scsi_dh_alua dm_multipath ib_core nvme_core bonding tls rfkill sunrpc ibmveth crct10dif_vpmsum pseries_rng drm drm_panel_orientation_quirks i2c_core fuse zram ip_tables xfs ibmvscsi nx_compress_pseries scsi_transport_srp nx_compress vmx_crypto crc32c_vpmsum [last unloaded: siw] [ 201.342213] CPU: 4 PID: 10482 Comm: check Not tainted 5.15.0-rc6 #1 [ 201.342218] NIP: c0000000009733d8 LR: c0000000009733d4 CTR: 00000000006db41c [ 201.342223] REGS: c00000002134b720 TRAP: 0700 Not tainted (5.15.0-rc6) [ 201.342227] MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 4842828f XER: 00000004 [ 201.342239] CFAR: c000000000152b34 IRQMASK: 0 [ 201.342239] GPR00: c0000000009733d4 c00000002134b9c0 c0000000028a9a00 0000000000000033 [ 201.342239] GPR04: 00000000ffffdfff c00000002134b678 c00000002134b670 0000000000000027 [ 201.342239] GPR08: 0000000000000001 c0000001ffa07f90 0000000000000023 0000000000000001 [ 201.342239] GPR12: 000000002842828f c00000001eca9d00 0000000000000000 0000000000000000 [ 201.342239] GPR16: 00000001334d87b8 00000001334d94d4 0000000020000000 00000001333eae80 [ 201.342239] GPR20: c00000000ece5ebc 00000000000016ab 0000000000001943 0000000000000001 [ 201.342239] GPR24: c00000000152b440 0000000000000000 c0000000027e2094 0000000000000000 [ 201.342239] GPR28: c00000000ece5f48 c00000000ece5e00 0000000000000001 c00000000ece5e80 [ 201.342289] NIP [c0000000009733d8] dd_exit_sched+0x198/0x1d0 [ 201.342294] LR [c0000000009733d4] dd_exit_sched+0x194/0x1d0 [ 201.342298] Call Trace: [ 201.342301] [c00000002134b9c0] [c0000000009733d4] dd_exit_sched+0x194/0x1d0 (unreliable) [ 201.342308] [c00000002134ba80] [c000000000946f98] blk_mq_exit_sched+0xe8/0x120 [ 201.342314] [c00000002134bad0] [c0000000009251c4] elevator_switch_mq+0x84/0x210 [ 201.342319] [c00000002134bb50] [c000000000925a4c] elv_iosched_store+0x47c/0x5d0 [ 201.342325] [c00000002134bbb0] [c00000000092cb58] queue_attr_store+0x78/0xc0 [ 201.342330] [c00000002134bc00] [c000000000644984] sysfs_kf_write+0x64/0x80 [ 201.342336] [c00000002134bc20] [c000000000643e4c] kernfs_fop_write_iter+0x1bc/0x2b0 [ 201.342342] [c00000002134bc70] [c000000000521314] new_sync_write+0x124/0x1b0 [ 201.342348] [c00000002134bd10] [c000000000524614] vfs_write+0x2c4/0x390 [ 201.342353] [c00000002134bd60] [c000000000524988] ksys_write+0x78/0x130 [ 201.342359] [c00000002134bdb0] [c00000000002d648] system_call_exception+0x188/0x360 [ 201.342365] [c00000002134be10] [c00000000000c1e8] system_call_vectored_common+0xe8/0x278 [ 201.342371] --- interrupt: 3000 at 0x7fffb664fee4 [ 201.342375] NIP: 00007fffb664fee4 LR: 0000000000000000 CTR: 0000000000000000 [ 201.342379] REGS: c00000002134be80 TRAP: 3000 Not tainted (5.15.0-rc6) [ 201.342383] MSR: 800000000280f033 <SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 48422488 XER: 00000000 [ 201.342395] IRQMASK: 0 [ 201.342395] GPR00: 0000000000000004 00007fffdfc43400 00007fffb6747000 0000000000000001 [ 201.342395] GPR04: 0000010010ac2b20 0000000000000006 0000000000000010 0000010010acdec3 [ 201.342395] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 201.342395] GPR12: 0000000000000000 00007fffb688afa0 0000000000000000 0000000000000000 [ 201.342395] GPR16: 00000001334d87b8 00000001334d94d4 0000000020000000 00000001333eae80 [ 201.342395] GPR20: 0000000000000000 00007fffdfc43624 0000000133483128 00000001334d89bc [ 201.342395] GPR24: 00000001334d8a50 0000000000000000 0000010010ac2b20 0000000000000006 [ 201.342395] GPR28: 0000000000000006 00007fffb67416d8 0000010010ac2b20 0000000000000006 [ 201.342441] NIP [00007fffb664fee4] 0x7fffb664fee4 [ 201.342445] LR [0000000000000000] 0x0 [ 201.342447] --- interrupt: 3000 [ 201.342450] Instruction dump: [ 201.342452] 2c090000 4082ff7c 9afa0000 81140000 80ff0038 80df0034 80bf0030 7d0807b4 [ 201.342461] 7fc4f378 7f03c378 4b7df6fd 60000000 <0fe00000> 60420000 0fe00000 60000000 [ 201.342470] ---[ end trace 108cf85114306689 ]--- [ 202.926082] nvme nvme0: Removing ctrl: NQN "nvme-test" [ 203.272436] nvmet: creating controller 1 for subsystem nvme-test for NQN nqn.2014-08.org.nvmexpress:uuid:548b1456-be56-4e3b-b887-a93e4557c960. [ 203.272975] nvme nvme0: creating 8 I/O queues. [ 203.277569] nvme nvme0: mapped 8/0/0 default/read/poll queues. [ 203.278187] nvme nvme0: new ctrl: NQN "nvme-test", addr 10.0.2.177:7777 [ 203.290859] device-mapper: table: 253:1: multipath: error getting device [ 203.290866] device-mapper: ioctl: error adding target to table [ 203.401606] device-mapper: table: 253:1: multipath: error getting device [ 203.401614] device-mapper: ioctl: error adding target to table [ 207.146139] nvme nvme0: Removing ctrl: NQN "nvme-test" [ 207.927071] SoftiWARP detached -- Best Regards, Yi Zhang
