Kernel panic when loading the IDE controller driver

[Christophe Leroy]

Hi,

Le 13/02/2019 à 12:01, sgosavi1 a écrit :
> Hi All,
> 
> I have been working on porting Linux-4.15.13 kernel on our existing MPC8270
> processor board. For this exercise, I have used pq2fads as a reference
> board, its associated device tree and used cuImage for building the kernel.

What it the last linux version known to work properly ?

Christophe


> I am facing an issue with the generic IDE flash controller driver in the new
> kernel source where it fails to detect the Flash controller connected to 2GB
> NAND flash available on the board. We have used non-standard IO port
> addresses for this driver in the older kernel and I have added the required
> code in the new kernel to setup the set of addresses that we need as IO
> ports. Also, modified the code in the drivers/ide/ source to use the
> non-standard IO port address. However, during boot up while inserting the
> module I continue to get the below errors.
> 
> [    4.116587] ide: forcing hda as a disk (3543/255/63)
> [    4.184190] Probing IDE interface ide0...
> [    4.226330] Machine check in kernel mode.
> [    4.233809] Caused by (from SRR1=49030):
> [    4.233826] Transfer error ack signal
> [    4.249263] IN from bad port e000000e at 004123ef
> 
> I understand that this is an addressing issue but not sure exactly what am I
> missing to fix the problem. Can you provide me your inputs on debugging this
> issue?
> 
> Thanks,
> Sachin.
> 
> 
> 
> 
> --
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>