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PeterLB01
Beginner

VSM error messages regarding mts?

Hi people, i'm getting spammed with the following error messages on my Nexus 1000v VSM (It's running as a HA pair):

2013 Apr 24 14:14:08 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_print_msg_opcode_in_

queue:  opcode 55299 - 100 messages - kernel

2013 Apr 24 14:14:08 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_acquire_q_space() fa

iling - no space in sap 306, uuid 405 - kernel

2013 Apr 24 14:14:08 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_deliver_local_atomic

:mts_acquire_q_space failed for opcode 55299, src_sap = 2 - kernel

2013 Apr 24 14:14:12 Nexus-vsm last message repeated 59 times

2013 Apr 24 14:14:12 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_do_msg_input() faili

ng since no space available in 306 (src_sap = 306, opc = 55301) - kernel

2013 Apr 24 14:14:12 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_deliver_local_atomic

:mts_acquire_q_space failed for opcode 55299, src_sap = 2 - kernel

2013 Apr 24 14:14:13 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_is_q_space_available

():1296: regular+fast mesg total = 27262, soft limit = 4096  - kernel

2013 Apr 24 14:14:13 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_is_q_space_available

(): NO SPACE sap=306, sap_opt = 0x1, hdr_opt = 0x4, rq=27262(37273187), lq=0(0),

pq=0(0), nq=0(0), sq=0(0), fast: rq=0, lq=0, pq=0, nq=0, sq=0 - kernel

2013 Apr 24 14:14:13 Nexus-vsm %KERN-2-SYSTEM_MSG: mts_print_longest_queue_

state: opcode counts for first and last 50 messages in recv_q of sap 306: - kern

el

Haven't been able to find anything related to it on google. Can anyone help me out?

3 REPLIES 3
Robert Burns
Cisco Employee

  Always provide  the software  version.   Then we will definitely help you.

Robert

Sounds good. :-)

VSM version: 4.2(1)SV1(5.1)

Host: ESXi 4.1.0 Build 348481

vCenter Server: 4.1.0 Build 345043

bmadabus
Beginner

Hi Peter,

Do you have netflow on your running configuration? Seems to me that you are exporting a lot of flows from the line card on to the supervisor. Decoding this message:

Nexus-vsm %KERN-2-SYSTEM_MSG: mts_is_q_space_available

(): NO SPACE sap=306, sap_opt = 0x1, hdr_opt = 0x4, rq=27262(37273187), lq=0(0),

306 corresponds to the netflow's Service Access Point ( SAP).

rq = receive queue of netflow is saturated.

Try one of the following:

a) Increase the inactive timeout

b) Increaste the active timeout.

c) check the number of interfaces you have netflow on .( limit is 256 switch-wide)

Even with a, b and c, if you have traffic that is shortlived or voluminuous you might see this error.

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