[Bug 209555] dwc2 driver stops working after sudden disconnect

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=209555

--- Comment #10 from Minas Harutyunyan (Minas.Harutyunyan@synopsys.com) ---
On 7/25/2021 11:16 AM, Minas Harutyunyan wrote:
> Hi Yunhao,
> 
> On 7/25/2021 10:55 AM, bugzilla-daemon@bugzilla.kernel.org wrote:
>>
>> https://urldefense.com/v3/__https://bugzilla.kernel.org/show_bug.cgi?id=209555__;!!A4F2R9G_pg!L6dlphg0375bx1FF7IECNRnSiIv6e_sCQ5e1ooYvcCkyTte-dEQp2ry8RyopRZNUdnLaQpSh$
>>
>> --- Comment #8 from Yunhao Tian (t123yh@outlook.com) ---
>> (In reply to Minas Harutyunyan from comment #7)
>>
>>> Could you please apply patch "[PATCH v2] usb: phy: Fix page fault from
>>> usb_phy_uevent" from Artur Petrosyan and test again.
>>>
>>
>> Hi Minas, Thanks for your reply!
>>
>> It doesn't seem to make a difference with the patch applied.
>>
>> I enabled the dwc2 debug logging option in menuconfig,
>> and captured the logs when I plug in, disconnect and re-plug in.
>>
>> The link to log file is
>>
>> https://urldefense.com/v3/__https://drive.google.com/file/d/1ID3bDp4NA6vSXf4AqN8w2WiDhaFbnb59/view?usp=sharing__;!!A4F2R9G_pg!L6dlphg0375bx1FF7IECNRnSiIv6e_sCQ5e1ooYvcCkyTte-dEQp2ry8RyopRZNUdp04G9mX$
>>
> 
> drive.google.com not accessible from my corporate laptop. Could you
> please put debug log on bugzilla.kernel.org?
> 

Also please send your params dump.

> Thanks,
> Minas
> 
>> At [   32.964469] the gadget config was bound to the device;
>> At [   38.002792] the device was plugged to a PC;
>> At roughly [   43.063762] the device was disconnected; at [   45.640378] the
>> device was re-plugged.
>>
>> After a short period of time the kernel freezes, no more logs can be output.
>>
>

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