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Cisco Bug: CSCvs55556 - AssertFail egtpu_process_invalid_evt() egtpu_handle_user_sap_event() sessmgr_uplane_gtpu_tx_setup()

Last Modified

Oct 02, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.20 21.15.23 21.16.3 21.16.c5 21.16.c5.74004 21.16.d0 21.18.0

Description (partial)

CISCO Packet gateway service running on the CUPS architecture encounters session management proclet restarts on the high availability redundancy node.

  Stack (131071@0x0xff754000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xff754608
    [0d0ef247/X] sn_assert() sp=0xff754668
    [089c90d1/X] egtpu_process_invalid_evt() sp=0xff754aa8
    [089e2696/X] egtpu_handle_user_sap_event() sp=0xff754f48
    [049b2e3f/X] sessmgr_uplane_gtpu_tx_setup() sp=0xff755178
  Last Bounce:

1)  For the UE doing state transition from ACTIVE to IDLE and IDLE to ACTIVE at hgh rate
2) Userplane should be running in the ICSR pair
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