Re: [Bug 103461] i.MX USB runtime power management breaks the boot

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On Mon, Aug 31, 2015 at 10:11:20AM +0200, Vincent Stehlé wrote:
> On 08/28/2015 10:29 AM, Peter Chen wrote:
> ..
> > Would you supply below:
> > 1. The u-boot.bin which you use to reproduce it
> 
> Hi Peter,
> 
> Thank you for looking into this issue.
> 
> I attached u-boot.imx to the ticket for you [1].
> 
> Due to the environment boot paths being tuned to my setup I can only
> recommend that you start from sources instead.
> 
> > 2. The application used to load u-boot.bin from pc, and related
> > script
> 
> The binaries are now attached to the ticket for your convenience [3].
> 
> I fear they will incur additional issues of setting LD_LIBRARY_PATH, due
> to absolute paths in the binaries. I therefore recommend that you start
> from the sources mentioned in the ticket, in
> comment #5 [2].
> 
> > 3. Instruction how to use the tool to reproduce the failure 
> 
> This is what I do:
> 
> 1. Edit the mx6_usb_work.conf config file.
> 2. Connect the boart debug UART and USB OTG to the PC USB.
> 3. Reset the board.
> 4. Run:
> 
>   $ sudo ./output/host/usr/bin/imx_usb
> --configdir=./output/host/etc/imx-loader.d/
> 
> (You will need to adapt the paths.)
> 
> ..
> > Would you please enable chipidea debug at kernel configuration, and
> > add 'debug' at your u-boot command line to run it again, I would
> > like to see the log if possible?
> 
> Sure. I updated the log in the ticket [4].
> 
> Sadly, it seems to make the issue only worse, as the boot is now stuck
> even earlier.
> 
> Best regards,
> 
> V.
> 
> [1] https://bugzilla.kernel.org/attachment.cgi?id=186281
> [2] https://bugzilla.kernel.org/show_bug.cgi?id=103461#c5
> [3] https://bugzilla.kernel.org/attachment.cgi?id=186291
> [4] https://bugzilla.kernel.org/attachment.cgi?id=186271
> 
> 

Hi Vincent, sorry for late, I can't to reproduce it with your u-boot
and v4.2-rc6, and track the activities at bugzilla, let's close it
here, and go on debugging this problem at bugzilla.

-- 

Best Regards,
Peter Chen
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