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

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On Tue, Aug 25, 2015 at 02:37:45PM -0300, Fabio Estevam wrote:
> On Tue, Aug 25, 2015 at 1:07 PM, Vincent Stehlé
> <vincent.stehle@xxxxxxxxxxxxx> wrote:
> > Hi,
> >
> > I have encountered a bug related to the USB runtime pm in a specific
> > boot configuration.
> >
> > The issue happens on an i.MX6 SabreSD platform with recent kernel
> > versions (e.g. v4.2-rc8) and imx_v6_v7_defconfig, when booting u-boot by
> > USB and the kernel by ethernet.
> >
> > I have bisected to a specific commit. More details and logs related to
> > this bug are captured in the kernel bugzilla there :
> > https://bugzilla.kernel.org/show_bug.cgi?id=103461
> >
> > Thank you for your help and comments.
> 
> Adding Peter Chen on Cc.

Vincent, would you supply related u-boot and pc tools for me?
Then, I can reproduce it. 

This issue should be due to access register without clock, normal
kernel boot can't reproduce it.

-- 

Best Regards,
Peter Chen
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