At Drivers/scsi/bfa/bfa_fcpim.c:2629 Bfa_ioim_good_comp_isr+0x77 ...

Issue

• The server with the following Brocade FC/FCoE HBAs:

Fibre Channel: Brocade Communications Systems, Inc. 425/825/42B/82B 4Gbps/8Gbps PCIe dual port FC HBA (rev 01)

and with RedHat-shipped Brocade FC/FCoE HBA drivers:

Brocade BFA FC/FCOE SCSI driver - version: 3.0.23.0

frequently and randomly prints the following warning and a call trace in the system log:

kernel: WARNING: at drivers/scsi/bfa/bfa_fcpim.c:2629 bfa_ioim_good_comp_isr+0x77/0x80 [bfa]() kernel: Hardware name: PowerEdge R720 kernel: Modules linked in: ... bfa scsi_transport_fc scsi_tgt ... kernel: Pid: 0, comm: swapper Tainted: G W --------------- 2.6.32-358.el6.x86_64 #1 kernel: Call Trace: kernel: <IRQ> [<ffffffff8106e2e7>] ? warn_slowpath_common+0x87/0xc0 kernel: [<ffffffff8106e33a>] ? warn_slowpath_null+0x1a/0x20 kernel: [<ffffffffa00bf717>] ? bfa_ioim_good_comp_isr+0x77/0x80 [bfa] kernel: [<ffffffffa00c8869>] ? bfa_isr_rspq+0x79/0x100 [bfa] kernel: [<ffffffffa00c8904>] ? bfa_msix_rspq+0x14/0x20 [bfa] kernel: [<ffffffffa007438d>] ? bfad_msix+0x4d/0xb0 [bfa] kernel: [<ffffffff810e1640>] ? handle_IRQ_event+0x60/0x170 kernel: [<ffffffff8109dd1d>] ? sched_clock_cpu+0xcd/0x110 kernel: [<ffffffff810e3d8e>] ? handle_edge_irq+0xde/0x180 kernel: [<ffffffff8100de89>] ? handle_irq+0x49/0xa0 kernel: [<ffffffff81516c8c>] ? do_IRQ+0x6c/0xf0 kernel: [<ffffffff8100b9d3>] ? ret_from_intr+0x0/0x11 kernel: <EOI> [<ffffffff812d37ae>] ? intel_idle+0xde/0x170 kernel: [<ffffffff812d3791>] ? intel_idle+0xc1/0x170 kernel: [<ffffffff81414ef7>] ? cpuidle_idle_call+0xa7/0x140 kernel: [<ffffffff81009fc6>] ? cpu_idle+0xb6/0x110 kernel: [<ffffffff81506b1c>] ? start_secondary+0x2ac/0x2ef

Environment

• Red Hat Enterprise Linux 6
• Brocade FC/FCoE HBA with drivers version 3.0.23.0

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