-----"Yi Zhang" <yi.zhang@xxxxxxxxxx> wrote: ----- >To: linux-rdma@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx >From: "Yi Zhang" <yi.zhang@xxxxxxxxxx> >Date: 04/01/2021 04:20AM >Cc: "Bart Van Assche" <bvanassche@xxxxxxx> >Subject: [EXTERNAL] [bug report]kernel NULL pointer at >siw_tx_hdt+0x128/0x978 [siw] with blktests nvmeof-mp/002 > >Hello > >I reproduced this issue with blktests nvmeof-mp/002 on 5.12.0-rc5 >aarch64, pls help check it and let me know if you need any testing >for it, thanks. > >[18381.922840] run blktests nvmeof-mp/002 at 2021-03-31 20:42:40 >[18382.123208] null_blk: module loaded >[18382.345093] SoftiWARP attached >[18382.507549] nvmet: adding nsid 1 to subsystem nvme-test >[18382.536043] iwpm_register_pid: Unable to send a nlmsg (client = 2) >[18382.542985] nvmet_rdma: enabling port 1 (10.19.241.109:7777) >[18382.703578] nvmet: creating controller 1 for subsystem nvme-test >for NQN >nqn.2014-08.org.nvmexpress:uuid:a6ba6b82-f083-4df3-9ee2-cd3f635a8418. >[18382.717201] nvme nvme0: creating 32 I/O queues. >[18382.751581] nvme nvme0: mapped 32/0/0 default/read/poll queues. >[18382.768935] nvme nvme0: new ctrl: NQN "nvme-test", addr >10.19.241.109:7777 >[18382.811275] device-mapper: multipath service-time: version 0.3.0 >loaded >[18383.611572] EXT4-fs (dm-3): mounted filesystem without journal. >Opts: (null). Quota mode: none. >[18383.620343] ext4 filesystem being mounted at >/root/blktests/results/tmpdir.nvmeof-mp.002.pnM/mnt0 supports >timestamps until 2038 (0x7fffffff) >[18411.156005] Unable to handle kernel NULL pointer dereference at >virtual address 0000000000000030 >[18411.156046] Unable to handle kernel NULL pointer dereference at >virtual address 0000000000000030 >[18411.164790] Mem abort info: >[18411.173564] Mem abort info: >[18411.173565] ESR = 0x96000006 >[18411.173567] EC = 0x25: DABT (current EL), IL = 32 bits >[18411.173569] SET = 0, FnV = 0 >[18411.176349] ESR = 0x96000006 >[18411.179129] EA = 0, S1PTW = 0 >[18411.182170] EC = 0x25: DABT (current EL), IL = 32 bits >[18411.187473] Data abort info: >[18411.190513] SET = 0, FnV = 0 >[18411.193558] ISV = 0, ISS = 0x00000006 >[18411.196685] EA = 0, S1PTW = 0 >[18411.201982] CM = 0, WnR = 0 >[18411.204853] Data abort info: >[18411.207893] user pgtable: 64k pages, 42-bit VAs, >pgdp=00000009c33b0000 >[18411.211714] ISV = 0, ISS = 0x00000006 >[18411.214846] [0000000000000030] pgd=0000000000000000 >[18411.217800] CM = 0, WnR = 0 >[18411.220666] , p4d=0000000000000000 >[18411.227184] user pgtable: 64k pages, 42-bit VAs, >pgdp=00000009c33b0000 >[18411.231005] , pud=0000000000000000 >[18411.235873] [0000000000000030] pgd=0000000000000000 >[18411.238826] , pmd=0000000000000000 >[18411.242214] , p4d=0000000000000000 >[18411.248733] >[18411.252120] , pud=0000000000000000 >[18411.256990] Internal error: Oops: 96000006 [#1] SMP >[18411.260376] , pmd=0000000000000000 >[18411.263764] Modules linked in: ext4 mbcache jbd2 dm_service_time >nvme_rdma >[18411.265247] >[18411.268634] nvme_fabrics nvme nvmet_rdma nvmet siw null_blk >dm_multipath nvme_core rfkill rpcrdma sunrpc rdma_ucm ib_srpt >ib_isert iscsi_target_mod ib_umad target_core_mod vfat fat ib_iser >ib_ipoib libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_cm mlx4_ib >ib_uverbs ib_core acpi_ipmi crct10dif_ce ghash_ce ipmi_ssif sha1_ce >sbsa_gwdt ipmi_devintf ipmi_msghandler xgene_hwmon ip_tables xfs >libcrc32c mlx4_en sr_mod cdrom sg ast drm_vram_helper drm_kms_helper >syscopyarea sysfillrect sysimgblt fb_sys_fops drm_ttm_helper ttm drm >mlx4_core igb sha2_ce sha256_arm64 i2c_designware_platform >ahci_platform i2c_algo_bit i2c_designware_core gpio_dwapb >libahci_platform i2c_xgene_slimpro uas usb_storage dm_mirror >dm_region_hash dm_log dm_mod [last unloaded: nvme_core] >[18411.351792] CPU: 13 PID: 19581 Comm: siw_tx/13 Not tainted >5.12.0-rc5 #1 >[18411.368293] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) >[18411.374287] pc : siw_tx_hdt+0x128/0x978 [siw] >[18411.378641] lr : siw_qp_sq_process+0xc4/0xa80 [siw] >[18411.383512] sp : fffffe001acafa90 >[18411.386813] x29: fffffe001acafa90 x28: fffffc083f9a4238 >[18411.392114] x27: 0000000000000003 x26: 000000000000ef70 >[18411.397414] x25: 0000000000000003 x24: 0000000000000000 >[18411.402714] x23: 0000000000000000 x22: 0000000000000000 >[18411.408014] x21: fffffc083f9a4270 x20: fffffc083f9a41c8 >[18411.413313] x19: 0000000000000000 x18: 0000000000000000 >[18411.418612] x17: 0000000000000000 x16: 0000000000000000 >[18411.423912] x15: 0000000000000000 x14: 0000000000000000 >[18411.429211] x13: b6f8a80000001000 x12: fffffc093fe37000 >[18411.434511] x11: b6f8a80000000040 x10: 0000000000000001 >[18411.439810] x9 : 0000000000000000 x8 : 0000000000000000 >[18411.445110] x7 : 0000000000000014 x6 : 000000000000ffc8 >[18411.450409] x5 : fffffc083f9a4238 x4 : fffffe001acafc40 >[18411.455709] x3 : 0000000000000020 x2 : fffffc083f9a4238 >[18411.461009] x1 : fffffc083f9a4248 x0 : 0000000000000000 >[18411.466309] Call trace: >[18411.468743] siw_tx_hdt+0x128/0x978 [siw] >[18411.472746] siw_qp_sq_process+0xc4/0xa80 [siw] >[18411.477270] siw_sq_resume+0x48/0x168 [siw] >[18411.481446] siw_run_sq+0xc8/0x290 [siw] >[18411.485362] kthread+0x114/0x118 >[18411.488580] ret_from_fork+0x10/0x18 >[18411.492146] Code: 370800c1 f9403fe1 8b214c41 f9403c37 (f9401ae1) >[18411.498237] ---[ end trace 67f55110d28671a3 ]--- >[18411.502842] Kernel panic - not syncing: Oops: Fatal exception >[18411.508580] SMP: stopping secondary CPUs >[18412.537491] SMP: failed to stop secondary CPUs 11,13 >[18412.542445] Kernel Offset: disabled >[18412.545920] CPU features: 0x00240002,61802008 >[18412.550264] Memory Limit: none >[18412.553311] ---[ end Kernel panic - not syncing: Oops: Fatal >exception ]--- > > >Best Regards, > Yi Zhang > Looks like an siw issue. I will dig into it. Sorry for the late reply. Many thanks, Bernard.
