This Article describes an issue with FPC rebooted/crashed due to Memory leak in FPC

• FPC may crash:

root@switch> show chassis fpc detail

Slot 0 information:
  State                               Online
  Total CPU DRAM                 3907 MB
  FIPS Capable                        False
  Start time                          yyyy-mm-dd hh:mm:ss PST   <<<< ----- 
  Uptime                              1 hour, 44 minutes, 2 seconds
  Last reboot reason                  Router rebooted after a normal shutdown.

• FXPC core dump generated:

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

/var/crash/*core*: No such file or directory
-rw-------  1 root  wheel   28723017 mmm dd hh:mm /var/tmp/fxpc.core.0.gz
/var/tmp/pics/*core*: No such file or directory
/var/crash/kernel.*: No such file or directory
/var/jails/rest-api/tmp/*core*: No such file or directory
/tftpboot/corefiles/*core*: No such file or directory
total files: 1

• Below logs may be seen:

mmm dd hh:mm:ss.sss yyyy  switch : %PFE-3: fpc0 (pkt tx) allocation of bcm pkt failed
mmm dd hh:mm:ss.sss yyyy  switch : %PFE-3: fpc0 tx mem alloc failed 

• Decoding the core-dump generated matches the following PR1890097

Resolved In

The aftd-trio process is for MX platform.
This process is not running on SRX so this PR is not affected to SRX platforms 

2026-01-04 : Article Created

2026-03-25 : Added SRX to the Categories