Crashing the kernel when load Ethernet FEC Module driver again.

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Crashing the kernel when load Ethernet FEC Module driver again.

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Vardhman_Modi
Contributor I

Hello Team.

I have build kernel with following branch.

  • Branch : 4.9.x+fslc(4.9.44-fslc)
  • Commit ID : 8f876e153b255daeb60833296d5ab213537f36a1

We are using KARO TX6UL board https://www.karo-electronics.com/txul 

  • Variant: TXUL-5010
  • Processor : i.MX 6UltraLite MCIMX6G2

DTS changes are like

Vardhman_Modi_3-1647424399824.png

 

I have kept Ethernet FEC driver as Module instead of inbuilt

 

-CONFIG_FEC=y
+CONFIG_FEC=m

 

Screenshot from 2022-03-14 09-13-55.png

This driver is loaded during boot time only automatically. After that I am removing this FEC driver and insert again, but it will not loaded successfully and crashing kernel .

 

modprobe -r -v fec
modprobe -v fec

 

 
Log files are attached NXP_question_log.txt
Vardhman_Modi_1-1647423613174.pngVardhman_Modi_2-1647423618222.png

 

Kindly Help us on this.
Also I have one question that can we kept Ethernet Driver(Freescale FEC) as module ??
 
 

 

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