OPERATIONAL DEFECT DATABASE
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Module N9k running 9..3(9) reported buffer exceed threshold log messages with errors between internal fabric links 2022 Dec 5 08:31:08.099 N9500 %TAHUSD-SLOT24-4-BUFFER_THRESHOLD_EXCEEDED: Module 24 Instance 0 Pool-group buffer 90 percent threshold is exceeded! 2022 Dec 5 08:32:57.301 N9500 %DEVICE_TEST-SLOT24-3-INTERNAL_PORT_MONITOR_TX_ERRORS_DETECTED: Module 24 received tx errors on internal interface ii24/1/31 since last run TXErr=0 TotalTXErr=13 2022 Dec 5 08:33:08.246 N9500 %TAHUSD-SLOT24-4-BUFFER_THRESHOLD_EXCEEDED: Module 24 Instance 0 Pool-group buffer 90 percent threshold is exceeded! 2022 Dec 5 08:33:52.722 N9500 %DEVICE_TEST-SLOT8-3-INTERNAL_PORT_MONITOR_CRC_ERRORS_DETECTED: Module 8 received tx errors on internal interface ii8/1/23 since last run TXErr=13 TotalTXErr=13 2022 Dec 5 08:35:08.411 N9500 %TAHUSD-SLOT24-4-BUFFER_THRESHOLD_EXCEEDED: Module 24 Instance 0 Pool-group buffer 90 percent threshold is exceeded! The errors may continue even after the device is isolated until the affected module is reloaded
Not known at this time
Reload the affected module
The buffer threshold errors continued even after the device was isolated due to buffer accounting values stuck at unexpectedly high values without any traffic. show hardware internal buffer info pkt-stats slot 24 ======= Instance 0 ============ |------------------------------------------------------------------------------------------------------------| | Output Pool-Group Buffer Utilization (cells/desc) | | Drop-PG No-drop CPU--PG LCPU-PG RCPU-PG SPAN-PG | |------------------------------------------------------------------------------------------------------------| Total Instant Usage (cells) 32742 0 0 0 0 0 | Remaining Instant Usage (cells) 4294957630 0 500 500 0 500 |. <<<<< Peak/Max Cells Used 32767 0 N/A N/A N/A N/A | Switch Cells Count 23076 0 500 500 0 500 |
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