NETDEV WATCHDOG: eth0: transmit timed out によりカーネルパニックが発生する
Issue
- /var/log/messages で以下のようなメッセージが記録され、カーネルパニックが発生します。
NETDEV WATCHDOG: eth0: transmit timed out
bnx2 0000:4:00.0: eth0:DEBUG: intr_sem[0] PCI_CMD[00100446]
bnx2 0000:4:00.0: eth0:DEBUG:PCI_PM[19002008] PCI_MISC_CFG[92000088]
bnx2 0000:4:00.0: eth0:DEBUG:EMAC_TX_STATUS[00000008] EMAC_RX_STATUS[00000000]
bnx2 0000:4:00.0: eth0:DEBUG:RPM_MGMT_PKT_CTRL[40000088]
bnx2 0000:4:00.0: eth0:DEBUG:HC_STATS_INTERRUPT_STATUS[01fa0005]
bnx2 0000:4:00.0: eth0:DEBUG:PBA[00000000]
bnx2 0000:4:00.0: eth0:<--- start MCP states dump --->
bnx2 0000:4:00.0: eth0:DEBUG:MCP_STATE_P0[0007610e] MCP_STATE_P1[0003600e]
bnx2 0000:4:00.0: eth0:DEBUG:MCP mode[0000b880] state[80000000] evt_mask[00000500]
bnx2 0000:4:00.0: eth0:DEBUG: pc[0800caa8] pc[080090b4] instr[34420085]
bnx2 0000:4:00.0: eth0:DEBUG: shmem states:
bnx2 0000:4:00.0: eth0:DEBUG: drv_mb[01030003] fw_mb[00000003] link_status[8000006f] drv_pulse_mb[00000195]
bnx2 0000:4:00.0: eth0:DEBUG: dev_info_signature[44564903] reset_type[01005254] condition[0007610e]
bnx2 0000:4:00.0: eth0:DEBUG:000003cc:44444444 44444444 44444444 00000a3c
bnx2 0000:4:00.0: eth0:DEBUG:000003dc:0ffeffff 0000ffff ffffffff ffffffff
bnx2 0000:4:00.0: eth0:DEBUG:000003ec:00000000 00000000 00000000 00000002
bnx2 0000:4:00.0: eth0:DEBUG:0x3fc[0000ffff]
bnx2 0000:4:00.0: eth0:<--- end MCP states dump --->
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Broadcom 5950 Ethernet
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