[alsa-devel] [PATCH 2/5] ALSA: snd-usb: implement new endpoint streaming model

[Aurélien Leblond]

>> In dmesg, I get the following:
>> [   92.185624] BUG: unable to handle kernel NULL pointer dereference
>> at 0000000000000008
>> [   92.185637] IP: [<ffffffffa05c9768>]
>> snd_usb_endpoint_activate+0x18/0x90 [snd_usb_audio]
>
> Can you do a quick fix and add the following two lines right at the
> beginning of snd_usb_endpoint_activate() in sound/usb/endpoint.c:
>
>        if (!ep)
>                return 0;
>
> ? I'll fix this in a nicer way, but that should work.

Code changed and compiled.
Unfortunately my whole machine freezes as soon as I start Jack.

What info should I provide to you?

Aurélien