Felipe:
Can you check the reasoning here? I don't understand how an OTG
event could cause dwc3 to remove the shared (SuperSpeed) hcd and then
re-instantiate it before removing the primary (HS-FS-LS) hcd, which is
what this diagram seems to show.
On Wed, 8 Jun 2016, Chung-Geol Kim wrote:
>
>On Tue, 7 Jun 2016, Chung-Geol Kim wrote:
>
>> =
>> At *remove USB(3.0) Storage
>> sequence <1> --> <5> ((Problem Case))
>> =
>> VOLD
>>
On Tue, 7 Jun 2016, Chung-Geol Kim wrote:
> =
> At *remove USB(3.0) Storage
> sequence <1> --> <5> ((Problem Case))
> =
> VOLD
>
>On Fri, 3 Jun 2016, Chung-Geol Kim wrote:
>
>> Yes, you are right, The presentational errors in order to obtain an
>> understanding of the process.
>> Therefore, I will be happy to explain again the diagrammatic representation
>> as shown below.
>> If using usb 3.0 storage(OTG), you can see as
On Fri, 3 Jun 2016, Chung-Geol Kim wrote:
> Yes, you are right, The presentational errors in order to obtain an
> understanding of the process.
> Therefore, I will be happy to explain again the diagrammatic representation
> as shown below.
> If using usb 3.0 storage(OTG), you can see as below.
>On Fri, 27 May 2016, Chung-Geol Kim wrote:
>
>> >On Fri, May 27, 2016 at 01:38:17AM +, Chung-Geol Kim wrote:
>> >> There is a double free problem in the usb driver.
>> >
>> >Which driver?
>> When I using the USB OTG Storage, this issue happened.
>> When remove the OTG Storage, it reproduced
On Fri, 27 May 2016, Chung-Geol Kim wrote:
> >On Fri, May 27, 2016 at 01:38:17AM +, Chung-Geol Kim wrote:
> >> There is a double free problem in the usb driver.
> >
> >Which driver?
> When I using the USB OTG Storage, this issue happened.
> When remove the OTG Storage, it reproduced
>On Fri, May 27, 2016 at 01:38:17AM +, Chung-Geol Kim wrote:
>> There is a double free problem in the usb driver.
>
>Which driver?
When I using the USB OTG Storage, this issue happened.
When remove the OTG Storage, it reproduced sometimes.
>
>> This is caused by delayed deregister for scsi
On Fri, May 27, 2016 at 01:38:17AM +, Chung-Geol Kim wrote:
> There is a double free problem in the usb driver.
Which driver?
> This is caused by delayed deregister for scsi device.
> <*> at Insert USB Storage
> - USB bus #1 register
> usb_create_hcd (primary-kref==1)
> *
There is a double free problem in the usb driver.
This is caused by delayed deregister for scsi device.
<*> at Insert USB Storage
- USB bus #1 register
usb_create_hcd (primary-kref==1)
* primary-bandwidth_mutex(alloc))
usb_get_hcd(primary-kref==2)
- USB bus #2 register
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