Cisco Bug: CSCvi87166 - Nexus 3500 crashes with "spm hap reset" due to memory leak in libspm.so or only SPM process crashes.
Aug 02, 2018
- Cisco Nexus 9000 Series Switches
Known Affected Releases
Symptom: N3500 reloads with "spm hap reset" or only SPM process crashes. A core file may or may not be generated. Conditions: Following error might be seen before the crash: <pre> %AFM-2-AFM_TCAM_UTIL_ABOVE_THRESHOLD: nat tcam utilization has gone above the threshold of 90% on ASIC id 0 </pre> which means NAT has to be configured and heavily utilized. Also, the following library in SPM is constantly increasing its Current allocated memory, for example: <pre> TYPE NAME ALLOCS BYTES CURR MAX CURR MAX ... 116 [r-xp]/isan/plugin/1/isan/lib/libspm.so 2913705 2916326 46619280 46771792 ... 116 [r-xp]/isan/plugin/1/isan/lib/libspm.so 7628055 7630322 122048880 122196488 </pre> this can be checked with "show system internal spm mem-stats detail".
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