Known Issues
The following sections describe known issues in firmware releases and possible workarounds.
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Internal Ref. |
Issue |
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3481394 |
Description: When trying to choose the threshold for the Fast Recovery feature (BER Config), It is possible that threshold 0 will be loaded. |
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Workaround: Always use the default threshold. |
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Keywords: Fast Recovery, BER Configuration |
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Discovered in Version: 31.2010.6064 |
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3477039 |
Description: Wrong RTT value is exposed under PRTL PRM. |
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Workaround: For correct RTT value, deduct 15 from the exposed RTT value (RTT in ns = (PRM value - 15) * 4). |
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Keywords: Registers, RTT Value |
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Discovered in Version: 31.2010.6064 |
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3407038 |
Description: An unresponsive PSU client can cause the SDA I2C line to hang. |
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Workaround: N/A |
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Keywords: I2C |
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Discovered in Version: 31.2010.6064 |
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3323781 |
Description: GMP MADs with GRH header towards the Router are not supported. |
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Workaround: N/A |
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Keywords: Routers |
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Discovered in Version: 31.2010.5042 |
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2922333 |
Description: In some cases, MMS4X00-NL1.2 may have low BER. |
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Workaround: N/A |
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Keywords: Signal Integrity |
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Discovered in Version: 31.2010.2110 |
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2838195 |
Description: Using NDR speed with Optical Transceivers causes bandwidth to be 350Gb/s instead of 400Gb/s in small packets. |
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Workaround: N/A |
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Keywords: Optical Transceivers |
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Discovered in Version: 31.2010.1310 |
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2834238 |
Description: When using Optical Transceiver, toggling a port in a cage may toggle the adjacent port in the cage. |
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Workaround: N/A |
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Keywords: Optical Transceivers, Port Toggle |
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Discovered in Version: 31.2010.1310 |
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955641 |
Description: VL_HIGH_LIMIT is not affecting the VL arbiter as expected. |
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Workaround: Arbitration table should be set using only the low priority VL arbitration table. |
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Keywords: VL Arbitration |
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Discovered in Version: 31.2010.1310 |
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1249608 |
Description: Configuring weight "0" for VL, results in unexpected behavior. |
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Workaround: Arbitration table should be configured with weights other than "0". |
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Keywords: VL Arbitration |
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Discovered in Version: 31.2010.1310 |
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2057793 |
Description: Congestion profiles in VS-MAD PortProfileSetting support only fixed mode. Percentage mode is not supported. |
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Workaround: N/A |
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Keywords: InfiniBand Congestion Control |
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Discovered in Version: 31.2010.1310 |