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Cisco Bug: CSCvh80661 - Task restart while handling PDN connection

Last Modified

Nov 26, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.5.2.68712

Description (partial)

Symptom:
Sessmgr restart while handling PDN connection with following stack:

<pre>
Assertion failure at snutil/sn_memblock
  Function: sn_memblock_cache_get_mcblock_by_addr()
  Expression: mcblock->cachep == cache
  Proclet: sessmgr (f=87000,i=106)
  Process: card=4 cpu=0 arch=X pid=8802 cpu=~2% argv0=sessmgr
  C time: 2018-Feb-01+04:59:55 UTC
  Recent errno: 11 Resource temporarily unavailable
  Build_number: 68712
  Stack (131071@0x0xff96d000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xff96dd88
    [0c2fb264/X] sn_assert() sp=0xff96ddc8
    [0c2f3cb5/X] sn_memblock_memcache_free() sp=0xff96de18
    [0c2f3d7a/X] sn_memblock_cache_free_new() sp=0xff96dea8
    [08aa5715/X] mme_end_procedure() sp=0xff96df38
    [08c66a14/X] mme_pdn_connect_complete.constprop.627() sp=0xff96f078
    [08c76619/X] mme_app_pdn_conn_handle_mod_brr_failure.isra.569() sp=0xff96f088
  Registers:
</pre>

Conditions:
NA
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