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Cisco Bug: CSCuq63584 - PDSN Upgrade to 15.0 Assertion failure at sess/smgr/sessmgr_ipv4.c:16120

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(600)

Description (partial)

Symptom:
A Customer upgraded their PDSN to 15.0 release and found the following crash.
 
Crash 1 
 
********************* CRASH #03 ***********************
SW Version          : 15.0(55300)
Similar Crash Count : 1
Time of First Crash : 2014-Jul-30+15:06:02
 
Assertion failure at sess/snx/drivers/ppp/pppdrv.c:4296
  Function: _PPP_CHAP_GetOurToken()
  Expression: chap_resp_len <= sizeof(clp->u.non_eap.chap_chal_resp)
  Proclet: sessmgr (f=87000,i=61)
  Process: card=13 cpu=0 arch=X pid=5831 cpu=~46% argv0=sessmgr
  Crash time: 2014-Jul-30+09:36:02 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (15256@0xffffa000):
    [f7e285a1/X] libc.so.6/kill() sp=0xffffa268
    [0aaa0593/X] sn_assert() sp=0xffffa298
    [046f0d9b/X] _PPP_CHAP_GetOurToken() sp=0xffffa2d8
    [051dc71a/X] ProcessCHAPResponse() sp=0xffffa448
    [051deb04/X] CHAPProcessPacket() sp=0xffffa498
    [051e0c86/X] PPPSwitch() sp=0xffffa688
    [051eee85/X] PPPSyncLNSInput() sp=0xffffab98
    [046edb2c/X] snx_pppdrv_event_data_dispatch() sp=0xffffabd8
    [04a26e6f/X] lnsdrv_proxy_handle_events_from_l2tpmgr() sp=0xffffad78
    [03732872/X] sessmgr_lns_process_rx_data() sp=0xffffaed8
    [0373325e/X] sessmgr_l2tp_lns_process_l2tp_rx_data() sp=0xffffb3a8
    [03732f71/X] sessmgr_l2tp_lns_process_rx_tunnel_data() sp=0xffffb3d8
    [05daaf0b/X] sessmgr_med_data_receive() sp=0xffffd5b8
    [0ab30837/X] sn_loop_run() sp=0xffffdb48
    [0a91a054/X] main() sp=0xffffdb88
 

Conditions:
Node upgrade to latest V15.0 release.
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