FSL/NXP P5020: USB problems with the latest Git kernels

[Christian Zigotzky]

Hello,

With the boot argument “mem=3500M” the USB devices work. Please compile the latest Git kernel and test it on your P5020 board. There is a problem with the memory management since 22/08/18. I can’t test because I don’t have a P5020 board here and our users can’t compile kernels.

Thanks,
Christian

Sent from my iPhone

> On 24. Aug 2018, at 20:11, Christian Zigotzky <chzigotzky at xenosoft.de> wrote:
> 
> Hello,
> 
> There are USB problems with P5020 boards with the latest Git kernels.
> 
> Some users reported the following error messages:
> 
> skateman at X5000LNX:~$ grep -i -E 'usb.*error' /var/log/syslog
> Aug 24 13:12:50 X5000LNX kernel: [ 6.552303] usb 1-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 6.649376] usb 2-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 6.794158] usb 1-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 6.883156] usb 2-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 7.139155] usb 1-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 7.226156] usb 2-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 7.363155] usb 1-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 7.451156] usb 2-1: device descriptor read/64, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 8.521156] usb 1-1: device not accepting address 4, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 8.609156] usb 2-1: device not accepting address 4, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 9.057155] usb 1-1: device not accepting address 5, error -32
> Aug 24 13:12:50 X5000LNX kernel: [ 9.145157] usb 2-1: device not accepting address 5, error -32
> 
> I don’t have a P5020 board here. That means I can’t bisect and test. Therefore I need your help. The problematic Git commit must be somewhere between 22/08/18 1:20 PM UTC and 23/08/18 10:49 AM UTC.
> The Git kernel from 22/08/18 1:20 PM UTC works with USB devices.
> Could you please compile a Git kernel and test it on your P5020 board?
> 
> Thanks,
> Christian