qede: QLogic FastLinQ card stops working and qed_int_deassertion_print_bit messages seen

Solution In Progress - Updated -

Issue

  • 100Gb NIC stops working and errors are seen in the logs:

    kernel: [qed_int_deassertion_print_bit:1863(ql1-0)]brb (Interrupt): reg 1 [0x003400d8], bit 3 []
    kernel: [qed_int_deassertion_print_bit:1863(ql1-0)]brb (Interrupt): reg 1 [0x003400d8], bit 7 []
    kernel: [qed_int_deassertion_print_bit:1863(ql1-0)]brb (Interrupt): reg 4 [0x00340120], bit 21 [ [MASKED]]
    kernel: [qed_int_deassertion_print_bit:1863(ql2-0)]brb (Interrupt): reg 1 [0x003400d8], bit 3 []
    kernel: [qed_int_deassertion_print_bit:1863(ql2-0)]brb (Interrupt): reg 1 [0x003400d8], bit 7 []
    kernel: [qed_int_deassertion_print_bit:1863(ql2-0)]brb (Interrupt): reg 4 [0x00340120], bit 21 [ [MASKED]]
    

Environment

  • Red Hat Enterprise Linux 7
  • QLogic FastLinQ hardware
  • qede module

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