# Booting from USG issue on MG90

**URL:** <https://forum.sierrawireless.com/t/booting-from-usg-issue-on-mg90/15128>\
**Category:** AirLink routers\
**Created:** [January 23, 2019, 10:26am UTC](https://forum.sierrawireless.com/t/booting-from-usg-issue-on-mg90/15128 "2019-01-23T10:26:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bogdandukic](https://avatars.discourse-cdn.com/v4/letter/b/b3f665/32.png) [@bogdandukic](https://forum.sierrawireless.com/u/bogdandukic)\
**Post date:** [January 23, 2019, 10:26am UTC](https://forum.sierrawireless.com/t/booting-from-usg-issue-on-mg90/15128/1 "2019-01-23T10:26:10Z")

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Hello,

I encountered an issue while booting MG90 from USB.

The only info I have is output from console

MG90 U-Boot 2015.04 (Apr 12 2017 - 14:19:34)  
MMC: Clock=300000000 MaxBusW=0 f\_max=52000000 FSL\_SDHC: 0  
\*\*\* Warning - bad CRC, using default environment

PCIe1: Root Complex x1 gen1, regs @ 0x3400000  
01:00.0 - 168c:003c - Network controller  
PCIe1: Bus 00 - 01  
PCIe2: Root Complex x63 gen15, regs @ 0x3500000  
03:00.0 - 168c:003c - Network controller  
PCIe2: Bus 02 - 03  
In: serial  
Out: serial  
Err: serial  
Net: eTSEC2 [PRIME]  
QE upload: Firmware ‘Microcode version 0.0.1 for LS1021a r1.0’ for 1021 V1.0  
QE: uploading microcode ‘Microcode for LS1021a r1.0’ version 0.0.1  
QE init complete  
Hit any key to stop autoboot: 0  
starting USB…  
USB0: Register 200017f NbrPorts 2  
Starting the controller  
USB XHCI 1.00  
scanning bus 0 for devices… 1 USB Device(s) found  
scanning usb for storage devices… 0 Storage Device(s) found  
switch to partitions #0, OK  
mmc0(part 0) is current device

Partition Map for MMC device 0 – Partition Type: DOS

FS Volume Name Part Start Sector Num Sectors UUID Type  
ext2 rescue 1 40960 1126400 00000000-01 83  
ext2 rootfs 2 1167360 2568192 00000000-02 83  
oMG Slot Info from MCU…  
slot 0: ord=0  
slot 1: ord=0  
slot 2: ord=0  
slot 3: ord=0  
desired boot ord=0  
current config ord=0  
max config ord=0  
booted DPI=0x00000000  
Not initialized, so default will take effect: slot=1  
Boot: ext2 on mmc 0:2 [/dev/mmcblk0p2]  
\*\* File not found /boot/uImage \*\*  
=\>

What could be the reason?

Thanks for any info and best regards,  
Bogdan