SUP720 cras in CAT 6509-E - It appears that we are hitting bug CSCsc33990

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Nov 5th, 2008

Please see attached docs for problem details.

I have this problem too.
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astanislaus Wed, 11/05/2008 - 15:56

Problem happened on Oct 30 2008 at 07:56. So ignore logs for other dates.

astanislaus Wed, 01/28/2009 - 16:39

Affected versions does show versions 12.2(18)SXF10 and some versions higher too.

astanislaus Wed, 01/28/2009 - 17:03

Affected versions does show versions 12.2(18)SXF10 and some versions higher too for bug CSCee34416

Leo Laohoo Wed, 01/28/2009 - 19:04

Sound like it's CSCsc33990:

Symptoms: A supervisor engine may unexpectedly reset when the

TestSPRPInbandPing as part of the Cisco Generic Online Diagnostics (GOLD)

fails for 10 consecutive times.

The following syslog error messages are typically generated right before the

supervisor engine resets, and can also be found in the crashinfo files:

%CONST_DIAG-SP-3-HM_TEST_FAIL: Module TestSPRPInbandPing consecutive

failure count:5

%CONST_DIAG-SP-6-HM_TEST_INFO: CPU util(5sec): SP=10% RP=0% Traffic=0%

netint_thr_active[0], Tx_Rate[4412], Rx_Rate[0]

%CONST_DIAG-SP-3-HM_TEST_FAIL: Module TestSPRPInbandPing consecutive

failure count:10

%CONST_DIAG-SP-6-HM_TEST_INFO: CPU util(5sec): SP=10% RP=0% Traffic=0%

netint_thr_active[0], Tx_Rate[4652], Rx_Rate[0]

%CONST_DIAG-SP-2-HM_SUP_CRSH: Supervisor crashed due to unrecoverable

errors, Reason: Failed TestSPRPInbandPing

Conditions: This symptom is observed on a Cisco Catalyst 6500 series switch

and Cisco 7600 series router that run an integrated Cisco IOS software

image. The trigger for the symptom may be possible corruption in TCAM

entries that are used to perform the TestSPRPInbandPing.

Workaround: Enter the no diagnostic crash global configuration command to

disable exceptions that are being triggered by failed diagnostic monitoring.

However, you should do this with discretion because it may also prevent the

system from taking proactive measure to mitigate problems that could impact

user traffic.

Further Information: The fix for this caveat is more of an enhancement

because it only prevents the system from being over-aggressive in taking

exceptions when the TestSPRPInbandPing fails under specific conditions.

Therefore, the fix for this caveat does not address all triggers that may

cause the TestSPRPInbandPing to fail. Please consult Cisco TAC for further

assistance if you experience the same problem after upgrading to a Cisco IOS

software image that contains the fix for this caveat.

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Posted November 5, 2008 at 3:53 PM
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