Re: USB gadgets with configfs hang reboot

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Hi,

Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> writes:
> On 16.01.2016 12:40, Ivaylo Dimitrov wrote:
>> Hi,
>>
>> On 16.01.2016 00:48, Tony Lindgren wrote:
>>> Hi all,
>>>
>>> Looks like there's some issue with the USB gadgets and configfs.
>>>
>>> I'm seeing rmmod of the UDC driver cause a warning and then reboot
>>> hangs the system. This happens at least with v4.4, and I've reproduced
>>> it with dwc3 and musb so it seems to be generic.
>>>
>>
>> Having configfs is not needed, disabling usb gadgets (#
>> CONFIG_USB_MUSB_GADGET is not set) seems to solved at least poweroff
>> hang issue on N900. Also, g_nokia is not a module in the config I use,
>> so I guess the problem is not related whether gadgets are modular or
>> not. Unfortunately I was not able to test reboot, as rootfs became
>> corrupted after the first poweroff :( . So it looks like my theory that
>> onenand corruption on N900 is because poweroff/reboot hangs is wrong.
>>
>> Ivo
>
>
> Is there any progress on the issue?

I don't have any DT-based system anymore, so there's very little I can
do to help. That being said, it's not the first time
of_platform_depopulate() causes problems.

-- 
balbi

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