I/G/C/B-Series f/w 6.xx Reset with "lldpXMedRemCapabilitiesEntry_get" error

[FAQ_User]

Article ID: 13872

Products
I-Series, firmware 6.42.01.0046 through 6.42.09.0005
G-Series, firmware 6.42.01.0046 through 6.42.09.0005
C5-Series, firmware 6.42.01.0046 through 6.42.09.0005, 6.51.02.0018
C3-Series, firmware 6.03.02.0006 through 6.42.09.0005
B5-Series, firmware 6.42.01.0046 through 6.42.09.0005, 6.51.02.0018
B3-Series, firmware 6.03.02.0006 through 6.42.09.0005

Symptoms
System reboot event.
Current.log (5487) displays a "lldpXMedRemCapabilitiesEntry_get" BackTrace diagnostic, followed by a "Fault(0x00001100)" reset reason.

Here are three examples, taken from one switch but three different firmware versions:<57> MAY 03 09:24:07 2010 STK1 BOOT[268430624]: bootos.c(1337) 8 %%
Start of Code - Build:06.03.02.0006 Date:Tue Nov 17 17:33:56 2009
BackTrace-0x0108cfd0: memcpy (0x108cfac) + 0x24
BackTrace-0x0054960c: lldpXMedRemCapCurrentGet (0x549584) + 0x88
BackTrace-0x0061ef64: usmDbLldpXMedRemCapCurrentGet (0x61ef54) + 0x10
BackTrace-0x00d8a478: snmpLldpXMedRemCapCurrentGet (0xd8a45c) + 0x1c
BackTrace-0x00d87268: k_lldpXMedRemCapabilitiesEntry_get (0xd87024) + 0x244
BackTrace-0x00dee7d0: lldpXMedRemCapabilitiesEntry_get (0xdee5e8) + 0x1e8
BackTrace-0x00d6c9a4: GetNextObjectInstance (0xd6c848) + 0x15c
BackTrace-0x00d6ed4c: do_response (0xd6ea34) + 0x318
BackTrace-0x00d639a4: SrDoSnmp (0xd62ff0) + 0x9b4
BackTrace-0x00d69100: SrDoMgmt (0xd69040) + 0xc0
BackTrace-0x00d68c50: snmpd_main (0xd68044) + 0xc0c
BackTrace-0x00d69030: L7_snmp_task (0xd68ff0) + 0x40
BackTrace-0x0107b5e4: vxTaskEntry (0x107b588) + 0x5c
<110> MAY 03 09:24:28 2010 STK1 BOOT[127809064]: edb_bxs.c(872) 22 %%
Last switch reset caused by Fault(0x00001100) SRR0(0x0107880c) SRR1(0x4002b030) MSR(0x00001030) DMISS(0x100258b0) IMISS(0x00000000)

<57> MAR 05 17:55:05 2011 STK1 BOOT[268430624]: bootos.c(1351) 66 %%
Start of Code - Build:06.03.09.0005 Date:Mon Dec 20 15:52:22 2010
BackTrace-0x01093b80: memcpy (0x1093b5c) + 0x24
BackTrace-0x0054a4fc: lldpXMedRemCapCurrentGet (0x54a474) + 0x88
BackTrace-0x00620220: usmDbLldpXMedRemCapCurrentGet (0x620210) + 0x10
BackTrace-0x00d8fc3c: snmpLldpXMedRemCapCurrentGet (0xd8fc20) + 0x1c
BackTrace-0x00d8ca2c: k_lldpXMedRemCapabilitiesEntry_get (0xd8c7e8) + 0x244
BackTrace-0x00df401c: lldpXMedRemCapabilitiesEntry_get (0xdf3e34) + 0x1e8
BackTrace-0x00d72000: GetNextObjectInstance (0xd71ea4) + 0x15c
BackTrace-0x00d743a8: do_response (0xd74090) + 0x318
BackTrace-0x00d68f38: SrDoSnmp (0xd68584) + 0x9b4
BackTrace-0x00d6e75c: SrDoMgmt (0xd6e69c) + 0xc0
BackTrace-0x00d6e2ac: snmpd_main (0xd6d6a0) + 0xc0c
BackTrace-0x00d6e68c: L7_snmp_task (0xd6e64c) + 0x40
BackTrace-0x01082190: vxTaskEntry (0x1082134) + 0x5c
<110> MAR 05 17:55:26 2011 STK1 BOOT[127856584]: edb_bxs.c(872) 80 %%
Last switch reset caused by Fault(0x00001100) SRR0(0x0107f3b8) SRR1(0x4000b030) MSR(0x00001030) DMISS(0x1011bb60) IMISS(0x00000000)

<57> APR 04 23:04:59 2011 STK1 BOOT[268430624]: bootos.c(1397) 89 %%
Start of Code - Build:06.42.05.0001 Date:Mon Mar 7 14:54:12 2011
BackTrace-0x0112ff00: memcpy (0x112fedc) + 0x24
BackTrace-0x0059efd0: lldpXMedRemCapCurrentGet (0x59ef48) + 0x88
BackTrace-0x0067df98: usmDbLldpXMedRemCapCurrentGet (0x67df88) + 0x10
BackTrace-0x00e17d04: snmpLldpXMedRemCapCurrentGet (0xe17ce8) + 0x1c
BackTrace-0x00e14aa0: k_lldpXMedRemCapabilitiesEntry_get (0xe14848) + 0x258
BackTrace-0x00e7d530: lldpXMedRemCapabilitiesEntry_get (0xe7d348) + 0x1e8
BackTrace-0x00df9d3c: GetNextObjectInstance (0xdf9be0) + 0x15c
BackTrace-0x00dfc154: do_response (0xdfbe3c) + 0x318
BackTrace-0x00df09c8: SrDoSnmp (0xdf0008) + 0x9c0
BackTrace-0x00df6374: SrDoMgmt (0xdf62b4) + 0xc0
BackTrace-0x00df5ec4: snmpd_main (0xdf5264) + 0xc60
BackTrace-0x00df62a4: L7_snmp_task (0xdf6268) + 0x3c
BackTrace-0x0111e510: vxTaskEntry (0x111e4b4) + 0x5c
<110> APR 04 23:05:20 2011 STK1 BOOT[139625912]: edb_bxs.c(1222) 103 %%
Last switch reset caused by Fault(0x00001100) SRR0(0x0111b738) SRR1(0x4000b030) MSR(0x00001030) DMISS(0x10292c80) IMISS(0x00000000)Solution/Workaround
Upgrade to firmware 6.42.10.0016 or higher.
Release notes state, in the

code:

'Firmware Changes and Enhancements

' section:

code:

15593

code:

Addressed an issue associated with LLDP and LLDP-MED which resulted in a reset with an exception message in the lldpXMedRemCapCurrentGet task.

Pre-upgrade workaround:
This issue is related to LLDP processing, so disabling it ('

code:

set lldp port status disabled *.*.*

') may prevent recurrence.

See also: 12664.