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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(30)S
• CSCee90590
Symptoms: A 6-port OC-3 POS line card (ESR-6OC-3/P-SMI=) may go down unexpectedly, and
the following error messages may be logged (assuming that the line card is installed in slot 6 of the
router):
IPCOIR-4-REPEATMSG: IPC handle already exists for 6/0
IPCOIR-2-CARD_UP_DOWN: Card in slot 6/0 is down. Notifying 6oc3pos-1 driver.
C10K_ALARM-6-INFO: ASSERT CRITICAL slot 6 Card Stopped Responding OIR Alarm -
subslot 0
Conditions: This symptom is observed on a Cisco 10000 series that runs Cisco IOS
Release 12.0(27)S2 in a dual-PRE configuration when the CPU utilization on the active PRE is high.
The symptom may also occur in other 12.0 S releases.
Workaround: There is no workaround.
• CSCee90893
Symptoms: An RP may crash if a policy map matches a QoS group value that is greater than seven.
Conditions: This symptom is observed on an interface of a Cisco 12000 series Engine 4+ line card
when the interface is configured for shaping.
Workaround: Use a QoS group value in the range of one through seven in the policy map.
• CSCee91240
Symptoms: PRP crashes after you remove a port-channel interface.
Conditions: This symptom is observed on a Cisco 12000 series running that runs a Cisco IOS
interim release for Release 12.0(30)S.
Workaround: There is no workaround.
• CSCee93228
Symptoms: Under certain unknown circumstances, a traceroute may trigger a process watchdog.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(26)S2. However, the problem is not specific to a Cisco 12000 series or to Cisco IOS
Release 12.0S and may occur on other platforms and in Release 12.2T and Release 12.3.
Workaround; There is no workaround.
• CSCee93804
Symptoms: When you enter the shutdown command followed by the no shutdown command on the
POS interface of an ISE OC-48 line card, a ping or traffic may fail even though the line protocol is
up.
Conditions: This symptom is observed on a Cisco 12000 series that is configured for HDLC
encapsulation, that does not have keepalives configured, and that has the pos ais-shut command
enabled. configured.
Workaround: Enter the shutdown command followed by the no shutdown command on the
connected interface at the remote end.
First Alternate Workaround: Disable the pos ais-shut command.
Second Alternate Workaround: Configure keepalives.
• CSCee95978
Symptoms: A Cisco router may reload unexpectedly with a Bus error exception.
Conditions: This was observed on a Cisco 7200 series router with an NPE-G1 that was actively
passing traffic.
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