https://bugzilla.kernel.org/show_bug.cgi?id=101781 Bug ID: 101781 Summary: kernel BUG at block/blk-core.c:1217! Product: IO/Storage Version: 2.5 Kernel Version: 3.10.0 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: SCSI Assignee: linux-scsi@xxxxxxxxxxxxxxx Reporter: tomsunchen@xxxxxxxxx Regression: No Created attachment 183221 --> https://bugzilla.kernel.org/attachment.cgi?id=183221&action=edit the request, request_queue, scsi_cmnd struct info [ 1001.043824] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 1001.043827] sd 1:0:0:5: [sdg] CDB: [ 1001.043828] Read(10): 28 00 00 00 00 88 00 00 78 00 [ 1001.043834] end_request: I/O error, dev sdg, sector 136 [ 1031.878134] qla2xxx [0000:08:00.0]-801c:1: Abort command issued nexus=1:0:5 -- 1 2002. [ 1072.919498] qla2xxx [0000:08:00.0]-801c:1: Abort command issued nexus=1:0:5 -- 1 2002. [ 1103.819949] qla2xxx [0000:08:00.0]-801c:1: Abort command issued nexus=1:0:3 -- 1 2002. [ 1105.029568] qla2xxx [0000:08:00.0]-801c:1: Abort command issued nexus=1:0:5 -- 1 2002. [ 1106.032392] qla2xxx [0000:08:00.0]-801c:1: Abort command issued nexus=1:0:5 -- 1 2002. [ 1137.070991] qla2xxx [0000:08:00.0]-8009:1: DEVICE RESET ISSUED nexus=1:0:3 cmd=ffff880424b68e00. [ 1137.073202] qla2xxx [0000:08:00.0]-800e:1: DEVICE RESET SUCCEEDED nexus:1:0:3 cmd=ffff880424b68e00. [ 1137.074163] sd 1:0:0:5: [sdg] [ 1137.074197] Sense Key : No Sense [current] [ 1137.074203] sd 1:0:0:5: [sdg] [ 1137.074206] Add. Sense: No additional sense information [ 1153.562495] ------------[ cut here ]------------ [ 1153.562607] kernel BUG at block/blk-core.c:1217! [ 1153.562678] invalid opcode: 0000 [#1] SMP [ 1153.562746] Modules linked in: gfs2 dlm sctp sg xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch vxlan ip_tunnel gre iTCO_wdt iTCO_vendor_support coretemp crct10dif_pclmul crc32_pclmul dm_service_time crc32c_intel ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper ipmi_devintf cryptd serio_raw pcspkr hpilo hpwdt i7core_edac lpc_ich ipmi_si mfd_core edac_core shpchp ipmi_msghandler acpi_power_meter pcc_cpufreq mperf register_ipmc_reboot(OF) ifb kvm_intel kvm binfmt_misc dm_multipath xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi [ 1153.564866] crc_t10dif crct10dif_common radeon i2c_algo_bit drm_kms_helper qla2xxx ttm tg3 ata_piix drm scsi_transport_fc ptp libata i2c_core hpsa scsi_tgt pps_core dm_mirror dm_region_hash dm_log dm_mod [ 1153.565195] CPU: 33 PID: 0 Comm: swapper/33 Tainted: GF O-------------- 3.10.0-123.el7.x86_64 #1 [ 1153.565331] Hardware name: HP ProLiant DL580 G7, BIOS P65 07/01/2013 [ 1153.565420] task: ffff880427ceb8e0 ti: ffff880427cf8000 task.ti: ffff880427cf8000 [ 1153.565621] RIP: 0010:[<ffffffff812984e7>] [<ffffffff812984e7>] blk_requeue_request+0x97/0xa0 [ 1153.566136] RSP: 0018:ffff88143f6c3e08 EFLAGS: 00010082 [ 1153.566365] RAX: 00000000fffffff2 RBX: ffff881425f73000 RCX: dead000000200200 [ 1153.566548] RDX: 0000000000000000 RSI: ffff881427745380 RDI: 0000000000000002 [ 1153.566652] RBP: ffff88143f6c3e20 R08: ffff8814277454d0 R09: 0000000000000000 [ 1153.566751] R10: 0000000000000000 R11: 0000000000000001 R12: ffff881427745380 [ 1153.571678] R13: ffff880424b79680 R14: ffff8800be4e9180 R15: ffff880427f3e828 [ 1153.576748] FS: 0000000000000000(0000) GS:ffff88143f6c0000(0000) knlGS:0000000000000000 [ 1153.582295] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1153.587101] CR2: 00007fcadd7e7ee8 CR3: 00000000018e0000 CR4: 00000000000007e0 [ 1153.592485] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1153.597998] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1153.602863] Stack: [ 1153.608184] ffff881425f73000 ffff880424b79680 0000000000000202 ffff88143f6c3e68 [ 1153.613920] ffffffff813e7a48 0000000000000097 0000000000000286 ffff8800be4e9180 [ 1153.619616] 0000000000002001 000000000002bf20 0000000000000006 0000000000000001 [ 1153.625120] Call Trace: [ 1153.630042] <IRQ> [ 1153.630171] [ 1153.635622] [<ffffffff813e7a48>] __scsi_queue_insert+0x98/0x120 [ 1153.641325] [<ffffffff813e7bc2>] scsi_softirq_done+0xd2/0x160 [ 1153.646999] [<ffffffff812a2200>] blk_done_softirq+0x90/0xc0 [ 1153.652708] [<ffffffff81067497>] __do_softirq+0xf7/0x290 [ 1153.658445] [<ffffffff81600bdc>] call_softirq+0x1c/0x30 [ 1153.664254] [<ffffffff81014d35>] do_softirq+0x55/0xa0 [ 1153.670070] [<ffffffff81067abd>] irq_exit+0x25d/0x270 [ 1153.675837] [<ffffffff81038d95>] smp_call_function_single_interrupt+0x35/0x40 [ 1153.681772] [<ffffffff8160039d>] call_function_single_interrupt+0x6d/0x80 [ 1153.687744] <EOI> [ 1153.687773] [ 1153.693735] [<ffffffff810395bd>] ? lapic_next_event+0x1d/0x30 [ 1153.699792] [<ffffffff81094573>] ? finish_task_switch+0x53/0x170 [ 1153.705869] [<ffffffff815f3bc8>] __schedule+0x318/0x930 [ 1153.711952] [<ffffffff815f5439>] schedule_preempt_disabled+0x29/0x70 [ 1153.718581] [<ffffffff810b60ca>] cpu_startup_entry+0x24a/0x290 [ 1153.725106] [<ffffffff815dc643>] start_secondary+0x265/0x27b void blk_requeue_request(struct request_queue *q, struct request *rq) { blk_delete_timer(rq); blk_clear_rq_complete(rq); trace_block_rq_requeue(q, rq); if (blk_rq_tagged(rq)) blk_queue_end_tag(q, rq); BUG_ON(blk_queued_rq(rq)); //1217 elv_requeue_request(q, rq); } The debug info as attachment file "debug_info", The req(from scsi_softirq_done) be added in the qqueue_head of request queue, not in the tag_busy_list of the request queue, and the cmd_flags not include REQ_QUEUED, why? in what conditions what it will happen? i think the req(from scsi_softirq_done) should be added into the tag_busy_list of request queue, and the cmd_flags should include REQ_QUEUED. many thanks -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
