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Cisco Bug: CSCvs23562 - MALLOC_FAILED: mcastfwd [27776] m_copyin failed in mfwd_ip_main()

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I7(6.1)

Description (partial)

Symptom:
2019 Nov 18 22:12:11 N9300 mcastfwd[1983]: m_copyback: m_get() fails.
2019 Nov 18 22:12:10 N9300 %MCASTFWD-3-MALLOC_FAILED:  mcastfwd [1983]  m_copyin failed in mfwd_ip_main()
2019 Nov 18 22:12:11 N9300 mcastfwd[1983]: m_copyback: m_get() fails.
2019 Nov 18 22:12:20 N9300 %MCASTFWD-4-SYSLOG_SL_MSG_WARNING: MCASTFWD-3-MALLOC_FAILED: message repeated 1 times in last 377 sec

Conditions:
1 - N9K
2 - 7.0(3)I7(6)
3 - May see the following messages prior

2019 Oct  4 14:57:12 N9300 %IPFIB-SLOT1-2-TAH_MFIB_V4_MCINFO_L2PTR: Multicast IPv4 get mcinfo l2ptr failed for (1.1.1.1,235.19.123.45)
2019 Oct  4 14:57:12 N9300 %IPFIB-SLOT1-2-TAH_MFIB_V4_MCINFO_L2PTR: Multicast IPv4 get mcinfo l2ptr failed for (1.1.1.1,235.19.232.135)
2019 Oct  4 14:57:12 N9300 %IPFIB-SLOT1-2-TAH_MFIB_V4_MCINFO_L2PTR: Multicast IPv4 get mcinfo l2ptr failed for (1.1.1.1,235.19.233.61)
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