This article explains the possible reasons and resolution for TOE chip memory errors reported on routers with MPC-3D-16XGE-SFPP and MPC-3D-16XGE-SFPP-R-B FPCs.
MPC-3D-16XGE-SFPP
MPC-3D-16XGE-SFPP-R-B
Syslog reports the following FPC major errors and a TOE wedge:
Nov 10 06:56:41 MX2020-lab fpc0 TFTP (block) write - saw ack 47, expected 48 Nov 10 06:56:41 MX2020-lab fpc0 TOE:TOE XM.1.1.0 : SetErr - thread 0 ifetch err Nov 10 06:56:41 MX2020-lab alarmd[9975]: Alarm set: FPC color=RED, class=CHASSIS, reason=FPC 0 Major Errors Nov 10 06:56:41 MX2020-lab craftd[8979]: Major alarm set, FPC 0 Major Errors Nov 10 06:56:42 MX2020-lab fpc0 Error (0x10402), module: TOE, type: Nov 10 06:56:42 MX2020-lab fpc0 TFTP read - error code 1 (File not found) Nov 10 06:56:53 MX2020-lab fpc0 TFTP (block) write - saw ack 47, expected 48 Nov 10 06:56:53 MX2020-lab fpc0 TOE:TOE XM.1.1.0 : SetErr - XM TOE chip 20 Memory Error Thread 0, INSTR Addr 0x1f7c Nov 10 06:56:54 MX2020-lab fpc0 Error (0x70190), module: XMCHIP(3), type: Nov 10 06:57:05 MX2020-lab fpc0 XMCHIP(3):XMCHIP(3): HOSTIF: Protect: Parity error for SRAM in bank 0 Nov 10 06:57:17 MX2020-lab fpc0 TOE:TOE XM.1.1.0 : SetErr - ** WEDGE DETECTED IN PFE 1 stream 0 TOE host packet transfer: reason code 0x1 Nov 10 06:57:18 MX2020-lab fpc0 Error (0x10407), module: TOE, type: Nov 10 06:57:30 MX2020-lab fpc0 TOE:TOE XM.1.1.0 : SetErr - ** WEDGE DETECTED IN PFE 1 stream 1 TOE host packet transfer: reason code 0x1 Nov 10 06:57:30 MX2020-lab fpc0 Error (0x10407), module: TOE, type: Nov 10 06:57:30 MX2020-lab fpc0 TFTP read - error code 1 (File not found)
These messages could indicate a hardware issue or a transient memory issue.
If reported, reboot the FPC and monitor. If the errors return, open a case with JTAC to investigate further.