[Bug 209555] dwc2 driver stops working after sudden disconnect

[bugzilla-daemon@bugzilla.kernel.org]

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

--- Comment #9 from Minas Harutyunyan (Minas.Harutyunyan@synopsys.com) ---
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?

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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