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FTOS Configuration Guide for the C-Series - Force10 Networks

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Table 69 Poll Manager Syslog Message Description<br />

Message Description<br />

POLLMGR-2-POLLMGR_RP<br />

M_ECC_ERR_DETECT<br />

POLLMGR-2-POLLMGR_BPL<br />

_IRC_ERR<br />

POLLMGR-2-POLLMGR_PT<br />

YBUS_LINK_SCAN<br />

Figure 490 illustrates <strong>the</strong> IPC subsystem, including <strong>the</strong> IRC links between <strong>the</strong> RPMs, and <strong>the</strong> relevant<br />

troubleshooting commands.<br />

Figure 490 IPC Sub-system<br />

Indicates that <strong>the</strong> system detected a single-bit ECC memory error in <strong>the</strong> RPM<br />

CPU memory (SDRAM). The system tracks <strong>the</strong> number of multi-bit errors and<br />

resets <strong>the</strong> system after a certain number of such errors are recorded. Upon<br />

reset, <strong>the</strong> system writes a failure trace file to <strong>the</strong> TRACE_LOG directory <strong>for</strong><br />

analysis by <strong>Force10</strong> <strong>Networks</strong>.<br />

Indicates that <strong>the</strong> system detected an error on <strong>the</strong> internal IPC switch<br />

subsystem connection between <strong>the</strong> two RPMs. This connection is referred to<br />

as Inter-RPM Communication (IRC). When a number of consecutive IRC<br />

heartbeat messages are lost, <strong>the</strong> system will declare an IRC timeout via a<br />

Syslog message and reset <strong>the</strong> system. This message suggests that a hardware<br />

fault on <strong>the</strong> RPM may have caused <strong>the</strong> IRC timeout.<br />

To troubleshoot this issue:<br />

• Verify that <strong>the</strong> RPMs are fully inserted.<br />

• Try a swap test of <strong>the</strong> RPMs.<br />

• Capture <strong>the</strong> output of <strong>the</strong> following show hardware commands:<br />

•show hardware rpm number cpu party-bus statistics<br />

•show hardware rpm number mac counters<br />

•show hardware rpm number mac port-statistics rpm number (of<br />

alternate RPM)<br />

Indicates <strong>the</strong> internal IPC party bus connection to a line card has changed to<br />

down. IPC, or inter-process communication, is <strong>the</strong> protocol used among <strong>the</strong><br />

RPM and line card CPUs to exchange in<strong>for</strong>mation. The underlying IPC<br />

subsystem uses internal E<strong>the</strong>rnet links.<br />

To troubleshoot this condition:<br />

• Capture <strong>the</strong> output of <strong>the</strong> show hardware linecard cpu party-bus<br />

statistics command, and <strong>for</strong>ward it to <strong>Force10</strong> <strong>Networks</strong>.<br />

<strong>FTOS</strong> <strong>Configuration</strong> <strong>Guide</strong>, version 7.7.1.0 693

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