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AFF / FAS platforms: Garbage characters are printed on the console when using Micro USB console connection

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Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • All AFF systems
  • All ASA systems
  • All FAS systems
  • Console connection
  • All ONTAP versions

Issue

When connecting to the serial console port using a USB Type C or micro USB console connection, random garbage characters are displayed on the screen similar to below:
Starting AUTOBOOT press Ctrl-C to abort...
Loading X86_64/freebsd/image1/kernel:0x200000/15706920 0x10fab28/13881896 Entry at 0xffffffff802dc4b0
Loading X86_64/freebsd/image1/platform.ko:0x1e38000/4076848 0x221b530/586840
Starting program at 0xffffffff802dc4b0
NetApp Data ONTAP 9.5P3
IPsec: Initialized Security Association Processing.
Copyright (C) 1992-2019 NetApp.
All rights reserved.
{ ****************************
*                             *
* Press Ctrl-C for Boot Menu. *
*                             *
*******************************
o뿻[{  뿻 ptomod_fips: Executing Crypto FIPS Self Tests.
cryptomod_fips: Crypto FIPS self-test: 'CPU COMPATIBILITY' passed.
cryptomod_fips: Crypto FIPS self-test: 'AES-128 ECB, AES-256 ECB' passed.
cryptomod_fips: Crypto FIPS self-test: 'AES-128 CBC, AES-256 CBC' passed.
cryptomod_fips: Crypto FIPS self-test: 'AES-128 GCM, AES-256 GCM' passed.
cryptomod_fips: Crypto FIPS self-test: 'AES-128 CCM' passed.
cryptomod_fips: Crypto FIPS self-test: 'CTR_DRBG' passed.
cryptomod_fips: Crypto FIPS self-test: 'SHA1, SHA256, SHA512' passed.
cryptomod_fips: Crypto FIPS self-test: 'HMAC-SHA1, HMAC-SHA256, HMAC-SHA512' passed.
cryptomod_fips: Crypto FIPS self-test: 'PBKDF2' passed.
cryptomod_fips: Crypto FIPS self-test: 'AES-XTS 128, AES-XTS 256' passed.
cryptomod_fips: Crypto FIPS self-test: 'Self-integrity' passed.
m[_ ___o o_[ {_ _{ o__ ow_  [  w_}o_[{o{    o    _ o Thu Jun 18 01:37:16 2020 [nv2flash.restage.progress:NOTICE]: ReStage is going to restore non-volatile data from flash in approximately 42 seconds.
w w {    ߯{ .^R
o뿻[{뿻__{_{_ow_[{{_[{oo߯.^R
o뿻[{뿻__{_{_ow_[{{_[{oo

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