Why does "Parity errors detected in blocks: MCP SCPAD" messages appears for broadcom BCM57800 based NICs in RHEL6.7?
Issue
- We note following messages for the broadcom NICs on the host running with RHEL6.7 release version:
localhost kernel: bnx2x 0000:01:00.0: eth0: Parity errors detected in blocks: MCP SCPAD
localhost kernel: bnx2x 0000:01:00.0: eth0: Parity errors detected in blocks: MCP SCPAD
localhost kernel: bnx2x 0000:01:00.1: eth1: Parity errors detected in blocks: MCP SCPAD
localhost kernel: bnx2x 0000:01:00.1: eth1: Parity errors detected in blocks: MCP SCPAD
- Why does such messages gets logged for the NICs? What does it mean?
- Is there any impact due to such errors?
Environment
- Red Hat Enterprise Linux (RHEL) 6.7.
- Kernel version:
2.6.32-573.7.1.el6.x86_64 - Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet cards.
- Kernel shipped
bnx2xdrivers.
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