On 08/16/2016 04:48 PM, Binyamin Sharet wrote:
> Kernel version: raspberrypi 4.4.6-v7+ #871
> Driver source file: drivers/staging/vt6656/main_usb.c
> Related file: drivers/staging/comedi/drivers/usbduxsigma.c
> Umap2 command line: umap2vsscan -P <PHY> -s 160a:3184
>
> After connecting such a device, NULL pointer dereference in the kernel.
> You may need to connect another device or two after this one to trigger
> the oops.
>
> Binyamin Sharet
> Cisco, STARE-C
>
> << Attached:  160a_3184_dmesg_1.log >>
> << Attached:  160a_3184_dmesg_2.log >>
kernel: 4.8-rc2
result: reproduced

this bug triggers different behaviors, but each time, it ended up with
hanged
system and I was not able to retrieve the dmesg log.
I took a photo of the screen, should I send it as an attachment?

-- 
Binyamin Sharet,
Cisco, STARE-C

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