Issue

• NetXtreme II BCM57810 の bnx2x ドライバーが失敗し、以下のアクセスタイムアウトエラーが発生します。

Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_issue_dmae_with_comp:540(enp5s0f0)]DMAE timeout!
Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_write_dmae:586(enp5s0f0)]DMAE returned failure -1
Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_issue_dmae_with_comp:540(enp5s0f0)]DMAE timeout!
Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_write_dmae:586(enp5s0f0)]DMAE returned failure -1
Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_issue_dmae_with_comp:540(enp5s0f0)]DMAE timeout!
Jul 28 23:56:41 localhost kernel: bnx2x:[bnx2x_write_dmae:586(enp5s0f0)]DMAE returned failure -1

Jul 29 00:25:23 localhost kernel: bnx2x 0000:05:00.1 enp5s0f1:MDC/MDIO access timeout
Jul 29 00:25:23 localhost kernel: bnx2x 0000:05:00.1 enp5s0f1:MDC/MDIO access timeout
Jul 29 00:25:23 localhost kernel: bnx2x 0000:05:00.1 enp5s0f1:Error:Power fault on Port 0 has been detected and the power to that SFP+ module has been removed to prevent failure of the card.Please remove the SFP+ module and restart the system to clear this error.
Jul 29 00:25:23 localhost kernel: bnx2x:[bnx2x_timer:5519(enp5s0f0)]MFW seems hanged: drv_pulse (0x397) != mcp_pulse (0x7fff)
Jul 29 00:25:23 localhost kernel: bnx2x:[bnx2x_hw_stats_update:899(enp5s0f0)]NIG timer max (4294967295)
Jul 29 00:25:23 localhost kernel: bnx2x:[bnx2x_acquire_hw_lock:1972(enp5s0f0)]lock_status 0xffffffff  resource_bit 0x1

• これは、断続的に発生する傾向があります。
• このようなメッセージが表示される原因は何ですか?