FXPC core-dump generated on EX4100-48MP running 23.4R2.13 with plp_miura lines on the backtrace.

Switch triggered a major alarm.

{master:0}

user@switch> show system alarms

1 alarms currently active

Alarm time Class Description

2025-06-16 14:01:56 UTC Major FPC 1 Failed

Core-dump file generated.

user@switch> show system core-dumps no-forwarding

/var/crash/*core*: No such file or directory

-rw------- 1 root wheel  9757737 Jun 16 2025 /var/tmp/fxpc.core.0.gz

The following lines matches the backtrace.

plp_miura_reg_rd_task

plp_miura_direct_reg_read

plp_miura_download_prog_eeprom

plp_miura_dload_fw

_plp_miura_tsce_miura_core_firmware_load

_plp_miura_tsce_miura_core_init_pass1

plp_miura_tsce_miura_core_init

_plp_miura_pm4x10_pm_serdes_core_init

_plp_miura_pm4x10_pm_core_init

plp_miura_pm4x10_port_attach

plp_miura_portmod_port_attach

plp_miura_port_attach

plp_miura_phy_init

plp_miura_fw_dload

plp_miura_core_init

plp_miura_phymod_core_init

_bcm_plp_miura_pm_phy_init

bcm_plp_miura_init_fw_bcast

The issue was resolved through PR1793137

Resolved-In

junos:22.4R3-S6 junos:23.4R2-S4 junos:24.2R2 junos:24.3R1