Troobleshoot cisco Tracback

[ulrickfr2001]

Does anyone know about that logs please?

%SYS-2-NOBLOCK: STANDBY:idle with blocking disabled. -Process= "Cat4k Mgmt HiPri", ipl= 0, pid= 56
-Traceback= 10AD835C 11803960 118080C0 11808460 118088E8 114E4BD4 11485444 11485994 1033CCD4 117C3404 10339990 103399C0 10339C70 11B35F80 11D0E09C 11D0E1A8

000187: 000020: .Jun 18 07:04:30.903 utc: %SYS-2-BLOCKHUNG: STANDBY:Task hung with blocking disabled, value = 0x1. -Process= "Cat4k Mgmt HiPri", ipl= 0, pid= 56
-Traceback= 10AD839C 11803960 118080C0 11808460 118088E8 114E4BD4 11485444 11485994 1033CCD4 117C3404 10339990 103399C0 10339C70 11B35F80 11D0E09C 11D0E1A8

I am facing a problem, all IP phones connected to a switch looses the communication many times during a day. Bellow it is what I see when I check the logs

000547: Jul 21 07:09:23.109 utc: DHCPD: interface GigabitEthernet5/28 coming up
000548: Jul 21 07:10:25.104 utc: DHCPD: interface GigabitEthernet1/12 coming up
000549: Jul 21 07:10:31.117 utc: DHCPD: interface GigabitEthernet6/32 coming up
000550: Jul 21 07:16:35.142 utc: DHCPD: interface GigabitEthernet1/23 coming up
000551: Jul 21 07:17:30.152 utc: DHCPD: interface GigabitEthernet1/23 coming up
000552: Jul 21 07:34:14.252 utc: DHCPD: interface GigabitEthernet6/4 coming up
000553: Jul 21 07:35:44.274 utc: DHCPD: interface GigabitEthernet6/4 coming up
000554: Jul 21 07:38:01.277 utc: DHCPD: interface GigabitEthernet6/48 coming up
000555: Jul 21 07:42:32.307 utc: DHCPD: interface GigabitEthernet7/6 coming up

Does anyone know about what that means?

Thanks

[Mohammed al Baqari]

You need to open a TAC case. I am assuming this traceback is generated due to high CPU utilization on your 4500 caused by the process Cat4k Mgmt HiPri. This process aggregate multiple platform-specific processes which perform the essential management functions on the Catalyst 4500.