Warning in __iscsit_free_cmd while handling task aborts

Solution Unverified - Updated -

Issue

  • Warning in __iscsit_free_cmd while handling task aborts
[2301303.903811] ABORT_TASK: Found referenced iSCSI task_tag: 805306465
[2301316.754544] ABORT_TASK: Found referenced iSCSI task_tag: 1342177330
[2301330.447052] ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for ref_tag: 1342177330
[2301330.626363] ------------[ cut here ]------------
[2301330.626391] WARNING: CPU: 1 PID: 21173 at drivers/target/iscsi/iscsi_target_util.c:720 __iscsit_free_cmd+0x26e/0x290 [iscsi_target_mod]
[2301330.626392] Modules linked in: dm_snapshot macsec vsock_diag tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag binfmt_misc target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_user target_core_mod uio fuse devlink ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_mangle iptable_security iptable_raw nf_conntrack ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vmw_vsock_vmci_transport vsock sunrpc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio ppdev sb_edac vmw_balloon coretemp iosf_mbi
[2301330.626436]  crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr joydev sg parport_pc parport vmw_vmci i2c_piix4 dm_multipath ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic ata_generic pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm crct10dif_pclmul crct10dif_common crc32c_intel ata_piix serio_raw libata vmxnet3 vmw_pvscsi drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod 8021q garp mrp bridge stp llc bonding
[2301330.626485] CPU: 1 PID: 21173 Comm: kworker/u8:3 Kdump: loaded Not tainted 3.10.0-1062.4.1.el7.x86_64 #1
[2301330.626486] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/17/2015
[2301330.626498] Workqueue: tmr-user target_tmr_work [target_core_mod]
[2301330.626500] Call Trace:
[2301330.626507]  [<ffffffff91d78ba4>] dump_stack+0x19/0x1b
[2301330.626511]  [<ffffffff9169a958>] __warn+0xd8/0x100
[2301330.626514]  [<ffffffff9169aa9d>] warn_slowpath_null+0x1d/0x20
[2301330.626519]  [<ffffffffc0a6f69e>] __iscsit_free_cmd+0x26e/0x290 [iscsi_target_mod]
[2301330.626526]  [<ffffffffc0a70bc4>] iscsit_aborted_task+0x64/0x70 [iscsi_target_mod]
[2301330.626531]  [<ffffffffc0a7830a>] lio_aborted_task+0x2a/0x30 [iscsi_target_mod]
[2301330.626538]  [<ffffffffc09fa516>] transport_cmd_finish_abort+0x66/0xb0 [target_core_mod]
[2301330.626543]  [<ffffffffc09f4d92>] core_tmr_abort_task+0x102/0x180 [target_core_mod]
[2301330.626549]  [<ffffffffc09f7bb2>] target_tmr_work+0x152/0x170 [target_core_mod]
[2301330.626552]  [<ffffffff916bd1df>] process_one_work+0x17f/0x440
[2301330.626555]  [<ffffffff916be2f6>] worker_thread+0x126/0x3c0
[2301330.626557]  [<ffffffff916be1d0>] ? manage_workers.isra.26+0x2a0/0x2a0
[2301330.626560]  [<ffffffff916c51b1>] kthread+0xd1/0xe0
[2301330.626562]  [<ffffffff916c50e0>] ? insert_kthread_work+0x40/0x40
[2301330.626565]  [<ffffffff91d8bd37>] ret_from_fork_nospec_begin+0x21/0x21
[2301330.626567]  [<ffffffff916c50e0>] ? insert_kthread_work+0x40/0x40
[2301330.626568] ---[ end trace ed2119501826ec7a ]---
[2301330.626573] ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for ref_tag: 805306465

Environment

  • Red Hat Enterprise Linux 7

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