FPC PIC on MX10003 may fail post PCI error.
Below errors and alarm will be raised.
root@router-name> show chassis alarms no-forwarding
1 alarms currently active
Alarm time Class Description
2024-06-22 02:36:33 UTC Major FPC 0 PIC 1 Failure
Jun 22 02:00:20.947 router-name fpc0 MIC1 TIC FPGA PCI Error detected.
Jun 22 02:00:20.947 router-name fpc0 mpcs_pio_read_u32: MPCS(2) failed: pio_handle 0xee889358 addr 0x00000c9c
Jun 22 02:00:20.947 router-name fpc0 Failed in function smic_tic_fpga_qsfp_get_mod_abs
Jun 22 02:00:20.947 router-name fpc0 smic_phy_periodic DFE tuning failed for et-0/1/1
Jun 22 02:00:20.948 router-name fpc0 MIC1 TIC FPGA PCI Error detected.
Jun 22 02:00:20.948 router-name fpc0 mpcs_pio_read_u32: MPCS(2) failed: pio_handle 0xee889358 addr 0x00000c9c
Jun 22 02:00:20.948 router-name fpc0 Failed in function smic_tic_fpga_qsfp_get_mod_abs
Jun 22 02:00:20.948 router-name fpc0 smic_phy_periodic DFE tuning failed for et-0/1/2
PCI is a high-speed bus which manages the communication with ukern of the box. If the PCI has error or fails the MIC or FPC will fail to be brought online. A reboot of MIC or FPC (depending on which component has failed) can be restarted to see if that helps fix the problem.
Contact JTAC is restarting does not help fix the problem.