On Mar 8, 2012, at 5:27 PM, Nicholas A. Bellinger wrote: > This is just a friendly heads up that lio-core.git/master has been > updated to v3.3-rc6 code, which currently includes the WIP > se_sess->se_kref patches and iscsi-target and qla_target/tcm_qla2xxx > conversions. > > There is still some ongoing work in this area for target-core that I'm > aiming for v3.4-rc1, so please let us know if you run into any problems. I just updated and started seeing a lot of list_add errors when running with lots of kernel debugging enabled while running pain against 4 FCoE LUNs. There is also one slab corruption reported as well. Here is a partial log of what I got: [ 98.283834] ------------[ cut here ]------------ [ 98.284757] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.284757] Hardware name: Bochs [ 98.284757] list_add corruption. prev->next should be next (ffff88007a15bc10), but was ffff88007140e788. (prev=ffff88007140e788). [ 98.284757] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.284757] Pid: 9, comm: kworker/1:0 Not tainted 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.284757] Call Trace: [ 98.284757] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.284757] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.284757] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.284757] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.284757] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.284757] [<ffffffffa00503e6>] target_submit_tmr+0x96/0x160 [target_core_mod] [ 98.284757] [<ffffffffa01605f0>] ft_send_work+0x2d0/0x330 [tcm_fc] [ 98.284757] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.284757] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.284757] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.284757] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.284757] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.284757] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.284757] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.284757] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.284757] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.284757] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.284757] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.284757] ---[ end trace 140005c2614156c9 ]--- [ 98.311521] ------------[ cut here ]------------ [ 98.312091] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.312091] Hardware name: Bochs [ 98.312091] list_add corruption. prev->next should be next (ffff88007a15bc10), but was ffff88007140e788. (prev=ffff88007140e788). [ 98.312091] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.312091] Pid: 4, comm: kworker/0:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.312091] Call Trace: [ 98.312091] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.312091] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.312091] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.312091] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.312091] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.312091] [<ffffffffa0054fa4>] target_submit_cmd+0xb4/0x160 [target_core_mod] [ 98.312091] [<ffffffffa016044b>] ft_send_work+0x12b/0x330 [tcm_fc] [ 98.312091] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.312091] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.312091] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.312091] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.312091] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.312091] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.312091] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.312091] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.312091] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.312091] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.312091] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.312091] ---[ end trace 140005c2614156ca ]--- [ 98.336186] ------------[ cut here ]------------ [ 98.337153] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.337153] Hardware name: Bochs [ 98.337153] list_add corruption. prev->next should be next (ffff88007a15bc10), but was 6b6b6b6b6b6b6b6b. (prev=ffff88007140e788). [ 98.337153] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.337153] Pid: 9, comm: kworker/1:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.337153] Call Trace: [ 98.337153] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.337153] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.337153] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.337153] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.337153] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.337153] [<ffffffffa01604ce>] ft_send_work+0x1ae/0x330 [tcm_fc] [ 98.337153] [<ffffffff8108f84d>] ? trace_hardirqs_on+0xd/0x10 [ 98.337153] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.337153] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.337153] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.337153] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.337153] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.337153] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.337153] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.337153] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.337153] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.337153] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.337153] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.337153] ---[ end trace 140005c2614156cb ]--- [ 98.364152] ------------[ cut here ]------------ [ 98.364796] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.365011] Hardware name: Bochs [ 98.365011] list_add corruption. prev->next should be next (ffff88007a15bc10), but was ffff88007126c7c8. (prev=ffff88007126c7c8). [ 98.365011] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.365011] Pid: 9, comm: kworker/1:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.365011] Call Trace: [ 98.365011] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.365011] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.365011] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.365011] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.365011] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.365011] [<ffffffffa00503e6>] target_submit_tmr+0x96/0x160 [target_core_mod] [ 98.365011] [<ffffffffa01605f0>] ft_send_work+0x2d0/0x330 [tcm_fc] [ 98.365011] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.365011] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.365011] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.365011] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.365011] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.365011] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.365011] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.365011] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.365011] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.365011] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.365011] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.365011] ---[ end trace 140005c2614156cc ]--- [ 98.387662] ------------[ cut here ]------------ [ 98.388332] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.388431] Hardware name: Bochs [ 98.388431] list_add corruption. prev->next should be next (ffff88007a15bc10), but was ffff88007126c7c8. (prev=ffff88007126c7c8). [ 98.388431] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.388431] Pid: 4, comm: kworker/0:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.388431] Call Trace: [ 98.388431] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.388431] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.388431] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.388431] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.388431] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.388431] [<ffffffffa0054fa4>] target_submit_cmd+0xb4/0x160 [target_core_mod] [ 98.388431] [<ffffffffa016044b>] ft_send_work+0x12b/0x330 [tcm_fc] [ 98.388431] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.388431] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.388431] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.388431] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.388431] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.388431] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.388431] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.388431] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.388431] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.388431] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.388431] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.388431] ---[ end trace 140005c2614156cd ]--- [ 98.411229] ------------[ cut here ]------------ [ 98.411903] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.412200] Hardware name: Bochs [ 98.412200] list_add corruption. prev->next should be next (ffff88007a15bc10), but was 6b6b6b6b6b6b6b6b. (prev=ffff88007126c7c8). [ 98.412200] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.412200] Pid: 9, comm: kworker/1:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.412200] Call Trace: [ 98.412200] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.412200] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.412200] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.412200] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.412200] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.412200] [<ffffffffa0054fa4>] target_submit_cmd+0xb4/0x160 [target_core_mod] [ 98.412200] [<ffffffffa016044b>] ft_send_work+0x12b/0x330 [tcm_fc] [ 98.412200] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.412200] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.412200] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.412200] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.412200] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.412200] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.412200] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.412200] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.412200] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.412200] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.412200] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.412200] ---[ end trace 140005c2614156ce ]--- [ 98.434656] Slab corruption (Tainted: G W ): size-2048 start=ffff88007140e6c8, len=2048 [ 98.437830] ------------[ cut here ]------------ [ 98.438255] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b. [ 98.438257] Last user: [<ffffffffa0160051>](ft_free_cmd+0x51/0x60 [tcm_fc]) [ 98.438261] 0c0: c8 c7 26 71 00 88 ff ff 6b 6b 6b 6b 6b 6b 6b 6b ..&q....kkkkkkkk [ 98.438266] Next obj: start=ffff88007140eee0, len=2048 [ 98.438268] Redzone: 0xd84156c5635688c0/0xd84156c5635688c0. [ 98.438269] Last user: [<ffffffff81138a95>](__kmalloc_node_track_caller+0x55/0x70) [ 98.438273] 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [ 98.438274] 010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [ 98.438956] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:53 __list_del_entry+0xa1/0xd0() [ 98.438956] Hardware name: Bochs [ 98.438956] list_del corruption. prev->next should be ffff880078826688, but was ffff88007a15bc10 [ 98.438956] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.438956] Pid: 9, comm: kworker/1:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.438956] Call Trace: [ 98.438956] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.438956] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.438956] [<ffffffff812c3c21>] __list_del_entry+0xa1/0xd0 [ 98.438956] [<ffffffff812c3c61>] list_del+0x11/0x40 [ 98.438956] [<ffffffffa004e690>] target_release_cmd_kref+0x60/0xb0 [target_core_mod] [ 98.438956] [<ffffffffa00555b3>] transport_release_cmd+0x83/0x90 [target_core_mod] [ 98.438956] [<ffffffffa0055660>] transport_put_cmd+0xa0/0x220 [target_core_mod] [ 98.438956] [<ffffffffa00558b9>] transport_generic_free_cmd+0x69/0x90 [target_core_mod] [ 98.438956] [<ffffffffa01607b0>] ft_check_stop_free+0x10/0x20 [tcm_fc] [ 98.438956] [<ffffffffa004e386>] transport_cmd_check_stop+0x156/0x210 [target_core_mod] [ 98.438956] [<ffffffffa004e455>] transport_cmd_check_stop_to_fabric+0x15/0x20 [target_core_mod] [ 98.438956] [<ffffffffa004f7a1>] target_complete_ok_work+0x91/0x470 [target_core_mod] [ 98.438956] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.438956] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.438956] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.438956] [<ffffffffa004f710>] ? transport_complete_task_attr+0x240/0x240 [target_core_mod] [ 98.438956] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.438956] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.438956] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.438956] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.438956] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.438956] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.438956] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.438956] ---[ end trace 140005c2614156cf ]--- [ 98.475316] ------------[ cut here ]------------ [ 98.475965] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:53 __list_del_entry+0xa1/0xd0() [ 98.476013] Hardware name: Bochs [ 98.476013] list_del corruption. prev->next should be ffff88007126c7c8, but was (null) [ 98.476013] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.476013] Pid: 9, comm: kworker/1:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.476013] Call Trace: [ 98.476013] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.476013] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.476013] [<ffffffff812c3c21>] __list_del_entry+0xa1/0xd0 [ 98.476013] [<ffffffff812c3c61>] list_del+0x11/0x40 [ 98.476013] [<ffffffffa004e690>] target_release_cmd_kref+0x60/0xb0 [target_core_mod] [ 98.476013] [<ffffffffa00555b3>] transport_release_cmd+0x83/0x90 [target_core_mod] [ 98.476013] [<ffffffffa0055660>] transport_put_cmd+0xa0/0x220 [target_core_mod] [ 98.476013] [<ffffffffa00558b9>] transport_generic_free_cmd+0x69/0x90 [target_core_mod] [ 98.476013] [<ffffffffa01607b0>] ft_check_stop_free+0x10/0x20 [tcm_fc] [ 98.476013] [<ffffffffa004e386>] transport_cmd_check_stop+0x156/0x210 [target_core_mod] [ 98.476013] [<ffffffffa004e455>] transport_cmd_check_stop_to_fabric+0x15/0x20 [target_core_mod] [ 98.476013] [<ffffffffa004f7a1>] target_complete_ok_work+0x91/0x470 [target_core_mod] [ 98.476013] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.476013] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.476013] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.476013] [<ffffffffa004f710>] ? transport_complete_task_attr+0x240/0x240 [target_core_mod] [ 98.476013] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.476013] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.476013] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.476013] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.476013] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.476013] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.476013] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.476013] ---[ end trace 140005c2614156d0 ]--- [ 98.476454] ------------[ cut here ]------------ [ 98.476454] WARNING: at /home/mdrustad/git/lio-core/lib/list_debug.c:30 __list_add+0x8f/0xa0() [ 98.476454] Hardware name: Bochs [ 98.476454] list_add corruption. prev->next should be next (ffff88007a15bc10), but was dead000000100100. (prev=ffff88007126c7c8). [ 98.476454] Modules linked in: tcm_fc fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod ixgbe mdio [last unloaded: scsi_wait_scan] [ 98.476454] Pid: 4, comm: kworker/0:0 Tainted: G W 3.3.0-rc6-mdrlio-02641-g1b354c0 #32 [ 98.476454] Call Trace: [ 98.476454] [<ffffffff8103627f>] warn_slowpath_common+0x7f/0xc0 [ 98.476454] [<ffffffff81036376>] warn_slowpath_fmt+0x46/0x50 [ 98.476454] [<ffffffff812c366e>] ? do_raw_spin_lock+0x7e/0x140 [ 98.476454] [<ffffffff812c3d1f>] __list_add+0x8f/0xa0 [ 98.476454] [<ffffffffa004ef1e>] ? target_get_sess_cmd+0x3e/0xb0 [target_core_mod] [ 98.476454] [<ffffffffa004ef37>] target_get_sess_cmd+0x57/0xb0 [target_core_mod] [ 98.476454] [<ffffffffa0054fa4>] target_submit_cmd+0xb4/0x160 [target_core_mod] [ 98.476454] [<ffffffffa016044b>] ft_send_work+0x12b/0x330 [tcm_fc] [ 98.476454] [<ffffffff81058687>] process_one_work+0x1b7/0x6c0 [ 98.476454] [<ffffffff81058626>] ? process_one_work+0x156/0x6c0 [ 98.476454] [<ffffffff814f7a7f>] ? __schedule+0x3ef/0x980 [ 98.476454] [<ffffffffa0160320>] ? ft_recv_seq+0xf0/0xf0 [tcm_fc] [ 98.476454] [<ffffffff81058f68>] worker_thread+0x158/0x340 [ 98.476454] [<ffffffff81058e10>] ? rescuer_thread+0x240/0x240 [ 98.476454] [<ffffffff8105e50e>] kthread+0xae/0xc0 [ 98.476454] [<ffffffff815035b4>] kernel_thread_helper+0x4/0x10 [ 98.476454] [<ffffffff814f9bb4>] ? retint_restore_args+0x13/0x13 [ 98.476454] [<ffffffff8105e460>] ? __init_kthread_worker+0x70/0x70 [ 98.476454] [<ffffffff815035b0>] ? gs_change+0x13/0x13 [ 98.476454] ---[ end trace 140005c2614156d1 ]--- [ 98.525450] Slab corruption (Tainted: G W ): size-2048 start=ffff88007126c708, len=2048 [ 98.526864] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b. [ 98.527707] Last user: [<ffffffffa0160051>](ft_free_cmd+0x51/0x60 [tcm_fc]) [ 98.528700] 0c0: 88 66 82 78 00 88 ff ff 6b 6b 6b 6b 6b 6b 6b 6b .f.x....kkkkkkkk [ 98.529757] Next obj: start=ffff88007126cf20, len=2048 [ 98.530505] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b. [ 98.531257] Last user: [<ffffffffa0160051>](ft_free_cmd+0x51/0x60 [tcm_fc]) [ 98.532245] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 98.533293] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 98.534466] ------------[ cut here ]------------ It went on like this until I stopped the test. -- Mark Rustad, LAN Access Division, Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
