Cisco 12000 E4/E4+ engine based line cards may generate the following error strings:
%RX192-3-HINTR: status = 0x4000000, mask = 0x7EFFFF FF - Parity error on rx_pbc_mem %SYS-2-INTSCHED: 'sleep for' at level 7 -Process= "CEF IPC Background", ipl= 7, pid= 52
Following these errors Cisco Express Forwarding (CEF) on the E4/E4+ line card may become disabled, although the associated port stays in an "Up/Up" state.
This symptom is observed on a Cisco 12000 series router with engine 4/4+ line cards that runs a Cisco IOS® Software Release at or earlier than 12.0(21)S5, 12.0(22)S3, or 12.0(23)S1.
Note: This is a software problem that does not require hardware replacement.
Following errors, Cisco Express Forwarding (CEF) on a E4 or E4+ engine based line card becomes disabled, even though the associated port stays in an "Up/Up" state.
Enter the CmdBold microcode reload noCmdBold CmdArgslot-number noCmdArg global configuration command on the E4+ OC-192 line card.
The following IOS releases and higher have fixed this problem:
To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.
If you require further assistance, or if you have any further questions regarding this field notice, please send e-mail to firstname.lastname@example.org
For More Information
If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:
Receive Email Notification For New Field Notices
Product Alert Tool - Set up a profile to receive email updates about reliability, safety, network security, and end-of-sale issues for the Cisco products you specify.