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ASR920 Crash reason "RP-Reset"

Hello,
I have an issue with ASR-920-24SZ-M.
After about 2 week of uptime and  the device reboots with reason: "RP-Reset".

I only found the attched file into bootflash:/core/ directory: kernel.rp_RP-PEGM_0_20191229200139.
I think these lines report evidence of crash:
[1584792.929880] Machine check in kernel mode.
[1584792.929915] Caused by (from MCSR=10000000): Data Cache Parity Error
[1584792.929932] Oops: Machine check, sig: 7 [#1]
[1584792.929940] SMP NR_CPUS=2 PEGASUS
[1584792.929951] Modules linked in: gianfar_ptp(O) ptp_clock(O) liin(O) lfts(O) uearmon_unlock(O) tipc cpktdrv(O) lsmpi(O) ds4424(O) quack(O) adm1066(O) mgmt_led(O) pmbus_uea_psu(O) pmbus_core(O) pca9535(O) pca9541(O) ad8158(O) eeprom beeprom(O) cpld_export(O) i2c_mux_pca954x(O) max6654(O) zl_spidev(O) wpcdrv(O) iomd(O) dev_obj_lib(O) ds2155(O) hwmon cylon_pci(O) nfsd ddr(O) mcp_traps_mod(O) cpldpgs(O) cpldha(O) rmonbifo_mod(O) autofs4 [last unloaded: piso_mod]
[1584792.930117] CPU: 0 PID: 17561 Comm: iomd Tainted: G O 3.10.104-rt117 #1
[1584792.930129] task: cff82300 ti: efff6000 task.ti: cedce000
[1584792.930139] **bleep**: c00f08bc LR: c004ba8c CTR: f25e3810
[1584792.930148] REGS: efff7f10 TRAP: 0204 Tainted: G O (3.10.104-rt117)
[1584792.930157] MSR: 00021000 <CE,ME> CR: 24844282 XER: 00000000
[1584792.930179]
GPR00: c004ba8c effefb00 cff82300 c04ac35c 00030030 fffffca3 ec7dc3b5 00000000
GPR08: c0860000 00000000 c085f780 ec7ac385 00000000 209e1864 c08436e0 f25e3810
GPR16: 00000002 c0843bf4 c08436e0 cd082104 00000003 cd0820f4 00000003 f25e3810
GPR24: cd082104 00000003 f25b37d7 00000003 ea8534a0 066ff300 c004ba8c c084e4e8
[1584792.930314] **bleep** [c00f08bc] trace_hardirqs_on+0x7c/0x1a4
[1584792.930329] LR [c004ba8c] local_bh_enable_ip+0x78/0x104

[1584792.930789] --- Exception: c01 at 0x14e29f9c
LR = 0x14e29f78
[1584792.930800] Instruction dump:
[1584792.930809] 837a0008 3fa0c086 3bbdfc98 3fe0c07a 3bff3984 577c103a 393f0004 7cbde02e
[1584792.930838] 7cc9282e 2f860000 409e0084 80010034 <bb210014> 38210030 7c0803a6 4e800020
[1584792.930875] ---[ end trace e0c547b05ff23d66 ]---
[1584792.930883]
[1584792.930899] Sending IPI to other CPUs
[1584792.931908] IPI complete
[1584792.935196] Bye!

Software version is:
Cisco IOS XE Software, Version 16.09.03
Cisco IOS Software [Fuji], ASR920 Software (PPC_LINUX_IOSD-UNIVERSALK9_NPE-M), Version 16.9.3, RELEASE SOFTWARE (fc2)

 

Maybe a bug ?

 

Davide

1 REPLY 1
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Beginner

Re: ASR920 Crash reason "RP-Reset"

I would strongly reccomend opening a TAC case on that -- I have had a few of those RP-Reset and found that it was due to a few different bugs we ran into either with configuration or traffic passing in the switch.

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