[meta-xilinx] New Issue with UBI/QSPI in linux-xlnx 2017.3

[Manjukumar Harthikote Matha]

Hi Holden,

<...>

On 11/02/2017 09:46 AM, Holden.Sandlar at ultra-fei.com wrote:
> [    4.757998] [<ffffff8008082e80>] ret_from_fork+0x10/0x50
> [    4.763294] Code: d1000406 f13ffc9f 54000149 b4000080 (39400085)
> [    4.769384] ---[ end trace 285ca9de7ccaf5fc ]---
> [    4.773982] Kernel panic - not syncing: Attempted to kill init! 
> exitcode=0x0000000b
> [    4.773982]
> [    4.783095] SMP: stopping secondary CPUs
> [    4.786989] Kernel Offset: disabled
> [    4.790459] Memory Limit: none
> [    4.793497] Rebooting in 10 seconds..Xilinx Zynq MP First Stage Boot 
> Loader
> 
> 
> I then made the following kernel configuration changes:
> # CONFIG_OF_UNITTEST is not set
> # CONFIG_OF_OVERLAY is not set
> 
CONFIG_OF_UNITTEST has issues and might cause the failure, we are not 
sure if it is because of our tree or upstream. This is the info I got 
from our kernel maintainer, we will try to address the issue in 2018.1 
release

> 
> Now my system boots again.
> It seems to me there is some bug with either the DT overlay support in 
> the kernel, or with some portion of Xilinx's power management and/or 
> QSPI/SPI-NOR layer implementation which results in fatal errors in the 
> DT overlay support. I'll let Xilinx dig in further on that as I can now 
> move forward again.

Thanks for digging out the issues in QSPI and sending the patch in an 
earlier email. We have verified your patch and applied it

https://github.com/Xilinx/linux-xlnx/commit/521ba5c3044dcf6eef31d01736522945fd78d99d

Thanks,
Manju