https://bugzilla.kernel.org/show_bug.cgi?id=208045 Bug ID: 208045 Summary: ARM ubuntu 18.04 as the iscsi server, using initiator login, the kernel crashes Product: SCSI Drivers Version: 2.5 Kernel Version: 4.19.118 Hardware: ARM OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Other Assignee: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx Reporter: lnsyyj@xxxxxxxxxxx Regression: No [Mon Jun 1 09:16:22 2020] scsi host5: iSCSI Initiator over TCP/IP [Mon Jun 1 09:16:22 2020] scsi host6: iSCSI Initiator over TCP/IP [Mon Jun 1 09:16:22 2020] scsi host7: iSCSI Initiator over TCP/IP [Mon Jun 1 09:16:22 2020] Unable to handle kernel paging request at virtual address ffff7e00008fa940 [Mon Jun 1 09:16:22 2020] Mem abort info: [Mon Jun 1 09:16:22 2020] ESR = 0x96000004 [Mon Jun 1 09:16:22 2020] Exception class = DABT (current EL), IL = 32 bits [Mon Jun 1 09:16:22 2020] SET = 0, FnV = 0 [Mon Jun 1 09:16:22 2020] EA = 0, S1PTW = 0 [Mon Jun 1 09:16:22 2020] Data abort info: [Mon Jun 1 09:16:22 2020] ISV = 0, ISS = 0x00000004 [Mon Jun 1 09:16:22 2020] CM = 0, WnR = 0 [Mon Jun 1 09:16:22 2020] swapper pgtable: 4k pages, 48-bit VAs, pgdp = 0000000082681c2b [Mon Jun 1 09:16:22 2020] [ffff7e00008fa940] pgd=0000000000000000 [Mon Jun 1 09:16:22 2020] Internal error: Oops: 96000004 [#1] SMP [Mon Jun 1 09:16:22 2020] Modules linked in: target_core_pscsi target_core_file target_core_iblock iscsi_target_mod cfg80211 target_core_user uio target_core_mod openvswitch nsh nf_nat_ipv6 nf_nat_ipv4 nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_ssif joydev input_leds ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi sunrpc ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ses enclosure scsi_transport_sas hid_generic usbhid hid ast ttm drm_kms_helper cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops [Mon Jun 1 09:16:22 2020] cfbcopyarea fb bcache font crc32_ce crc64 drm megaraid_sas igb ixgbe ahci drm_panel_orientation_quirks libahci i2c_designware_platform i2c_designware_core i2c_algo_bit mdio i2c_core aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64 [Mon Jun 1 09:16:22 2020] Process iscsi_trx (pid: 7496, stack limit = 0x0000000010dd111a) [Mon Jun 1 09:16:22 2020] CPU: 0 PID: 7496 Comm: iscsi_trx Not tainted 4.19.118-0419118-generic #202004230533 [Mon Jun 1 09:16:22 2020] Hardware name: Greatwall QingTian DF720/F601, BIOS 601FBE20 Sep 26 2019 [Mon Jun 1 09:16:22 2020] pstate: 80400005 (Nzcv daif +PAN -UAO) [Mon Jun 1 09:16:22 2020] pc : flush_dcache_page+0x18/0x40 [Mon Jun 1 09:16:22 2020] lr : is_ring_space_avail+0x68/0x2f8 [target_core_user] [Mon Jun 1 09:16:22 2020] sp : ffff000015123a80 [Mon Jun 1 09:16:22 2020] x29: ffff000015123a80 x28: 0000000000000000 [Mon Jun 1 09:16:22 2020] x27: 0000000000001000 x26: ffff000023ea5000 [Mon Jun 1 09:16:22 2020] x25: ffffcfa25bbe08b8 x24: 0000000000000078 [Mon Jun 1 09:16:22 2020] x23: ffff7e0000000000 x22: ffff000023ea5001 [Mon Jun 1 09:16:22 2020] x21: ffffcfa24b79c000 x20: 0000000000000fff [Mon Jun 1 09:16:22 2020] x19: ffff7e00008fa940 x18: 0000000000000000 [Mon Jun 1 09:16:22 2020] x17: 0000000000000000 x16: ffff2d047e709138 [Mon Jun 1 09:16:22 2020] x15: 0000000000000000 x14: 0000000000000000 [Mon Jun 1 09:16:22 2020] x13: 0000000000000000 x12: ffff2d047fbd0a40 [Mon Jun 1 09:16:22 2020] x11: 0000000000000000 x10: 0000000000000030 [Mon Jun 1 09:16:22 2020] x9 : 0000000000000000 x8 : ffffc9a254820a00 [Mon Jun 1 09:16:22 2020] x7 : 00000000000013b0 x6 : 000000000000003f [Mon Jun 1 09:16:22 2020] x5 : 0000000000000040 x4 : ffffcfa25bbe08e8 [Mon Jun 1 09:16:22 2020] x3 : 0000000000001000 x2 : 0000000000000078 [Mon Jun 1 09:16:22 2020] x1 : ffffcfa25bbe08b8 x0 : ffff2d040bc88a18 [Mon Jun 1 09:16:22 2020] Call trace: [Mon Jun 1 09:16:22 2020] flush_dcache_page+0x18/0x40 [Mon Jun 1 09:16:22 2020] is_ring_space_avail+0x68/0x2f8 [target_core_user] [Mon Jun 1 09:16:22 2020] queue_cmd_ring+0x1f8/0x680 [target_core_user] [Mon Jun 1 09:16:22 2020] tcmu_queue_cmd+0xe4/0x158 [target_core_user] [Mon Jun 1 09:16:22 2020] __target_execute_cmd+0x30/0xf0 [target_core_mod] [Mon Jun 1 09:16:22 2020] target_execute_cmd+0x294/0x390 [target_core_mod] [Mon Jun 1 09:16:22 2020] transport_generic_new_cmd+0x1e8/0x358 [target_core_mod] [Mon Jun 1 09:16:22 2020] transport_handle_cdb_direct+0x50/0xb0 [target_core_mod] [Mon Jun 1 09:16:22 2020] iscsit_execute_cmd+0x2b4/0x350 [iscsi_target_mod] [Mon Jun 1 09:16:22 2020] iscsit_sequence_cmd+0xd8/0x1d8 [iscsi_target_mod] [Mon Jun 1 09:16:22 2020] iscsit_process_scsi_cmd+0xac/0xf8 [iscsi_target_mod] [Mon Jun 1 09:16:22 2020] iscsit_get_rx_pdu+0x404/0xd00 [iscsi_target_mod] [Mon Jun 1 09:16:22 2020] iscsi_target_rx_thread+0xb8/0x130 [iscsi_target_mod] [Mon Jun 1 09:16:22 2020] kthread+0x130/0x138 [Mon Jun 1 09:16:22 2020] ret_from_fork+0x10/0x18 [Mon Jun 1 09:16:22 2020] Code: f9000bf3 aa0003f3 aa1e03e0 d503201f (f9400260) [Mon Jun 1 09:16:22 2020] ---[ end trace 1e451c73f4266776 ]--- [Mon Jun 1 09:16:32 2020] ------------[ cut here ]------------ [Mon Jun 1 09:16:32 2020] WARNING: CPU: 0 PID: 7495 at kernel/kthread.c:391 __kthread_bind_mask+0xb0/0xb8 [Mon Jun 1 09:16:32 2020] Modules linked in: target_core_pscsi target_core_file target_core_iblock iscsi_target_mod cfg80211 target_core_user uio target_core_mod openvswitch nsh nf_nat_ipv6 nf_nat_ipv4 nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_ssif joydev input_leds ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi sunrpc ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ses enclosure scsi_transport_sas hid_generic usbhid hid ast ttm drm_kms_helper cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops [Mon Jun 1 09:16:32 2020] cfbcopyarea fb bcache font crc32_ce crc64 drm megaraid_sas igb ixgbe ahci drm_panel_orientation_quirks libahci i2c_designware_platform i2c_designware_core i2c_algo_bit mdio i2c_core aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64 [Mon Jun 1 09:16:32 2020] CPU: 0 PID: 7495 Comm: iscsi_ttx Tainted: G D 4.19.118-0419118-generic #202004230533 [Mon Jun 1 09:16:32 2020] Hardware name: Greatwall QingTian DF720/F601, BIOS 601FBE20 Sep 26 2019 [Mon Jun 1 09:16:32 2020] pstate: 40400005 (nZcv daif +PAN -UAO) [Mon Jun 1 09:16:33 2020] pc : __kthread_bind_mask+0xb0/0xb8 [Mon Jun 1 09:16:33 2020] lr : __kthread_bind_mask+0xb0/0xb8 [Mon Jun 1 09:16:33 2020] sp : ffff00001511bca0 [Mon Jun 1 09:16:33 2020] x29: ffff00001511bca0 x28: 0000000000000000 [Mon Jun 1 09:16:33 2020] x27: ffffcfa05e811838 x26: ffff2d047f4e0a18 [Mon Jun 1 09:16:33 2020] x25: ffff2d040bf06750 x24: 0000000000000008 [Mon Jun 1 09:16:33 2020] x23: ffff2d047fbc8708 x22: ffff2d040bef25d8 [Mon Jun 1 09:16:33 2020] x21: ffff2d047f202368 x20: 0000000000000040 [Mon Jun 1 09:16:33 2020] x19: ffffcfa2080ee3c0 x18: 0000000000000010 [Mon Jun 1 09:16:33 2020] x17: 0000000000000000 x16: 0000000000000000 [Mon Jun 1 09:16:33 2020] x15: ffffffffffffffff x14: ffff2d047fbc8708 [Mon Jun 1 09:16:33 2020] x13: ffff2d04ffd878b7 x12: ffff2d047fd878bf [Mon Jun 1 09:16:33 2020] x11: ffff2d047fbed000 x10: ffff00001511b980 [Mon Jun 1 09:16:33 2020] x9 : 00000000ffffffd0 x8 : ffff2d047ed8e3f8 [Mon Jun 1 09:16:33 2020] x7 : 5d20657265682074 x6 : ffffc9a27ff33158 [Mon Jun 1 09:16:33 2020] x5 : ffffc9a27ff33158 x4 : 0000000000000000 [Mon Jun 1 09:16:33 2020] x3 : ffffc9a27ff3bf88 x2 : 5879f7f686901900 [Mon Jun 1 09:16:33 2020] x1 : 0000000000000000 x0 : 0000000000000024 [Mon Jun 1 09:16:33 2020] Call trace: [Mon Jun 1 09:16:33 2020] __kthread_bind_mask+0xb0/0xb8 [Mon Jun 1 09:16:33 2020] kthread_unpark+0x8c/0x90 [Mon Jun 1 09:16:33 2020] kthread_stop+0x60/0x198 [Mon Jun 1 09:16:33 2020] iscsit_close_connection+0x428/0x998 [iscsi_target_mod] [Mon Jun 1 09:16:33 2020] iscsit_take_action_for_connection_exit+0xc0/0x190 [iscsi_target_mod] [Mon Jun 1 09:16:33 2020] iscsi_target_tx_thread+0x180/0x200 [iscsi_target_mod] [Mon Jun 1 09:16:33 2020] kthread+0x130/0x138 [Mon Jun 1 09:16:33 2020] ret_from_fork+0x10/0x18 [Mon Jun 1 09:16:33 2020] ---[ end trace 1e451c73f4266777 ]--- [Mon Jun 1 09:16:37 2020] connection2:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4295230129, last ping 4295231424, now 4295232704 [Mon Jun 1 09:16:38 2020] connection2:0: detected conn error (1022) [Mon Jun 1 09:16:38 2020] connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4295230126, last ping 4295231424, now 4295232708 [Mon Jun 1 09:16:38 2020] connection1:0: detected conn error (1022) [Mon Jun 1 09:16:38 2020] connection3:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4295230144, last ping 4295230144, now 4295232712 [Mon Jun 1 09:16:38 2020] connection3:0: detected conn error (1022) [Mon Jun 1 09:16:55 2020] iSCSI Login timeout on Network Portal 192.168.1.10:3260 [Mon Jun 1 09:17:44 2020] scsi 6:0:0:0: timing out command, waited 82s [Mon Jun 1 09:17:44 2020] scsi 7:0:0:0: timing out command, waited 82s [Mon Jun 1 09:17:44 2020] scsi 5:0:0:0: timing out command, waited 82s [Mon Jun 1 09:18:38 2020] session3: session recovery timed out after 120 secs [Mon Jun 1 09:18:38 2020] session1: session recovery timed out after 120 secs [Mon Jun 1 09:18:38 2020] session2: session recovery timed out after 120 secs -- You are receiving this mail because: You are watching the assignee of the bug.