usbconfig lack of device or permission

[shreyank amartya]

amd at amd-sham:~ % whoami
amd

amd at amd-sham:~ % usbdump -i usbus0 -s 255 -f 5
usbdump: Could not open BPF device: Permission denied




On Mon, Sep 17, 2018 at 3:47 PM Hans Petter Selasky <hps at selasky.org> wrote:

> On 9/17/18 12:07 PM, shreyank amartya wrote:
> > ls -l /dev/usb output:
> > amd at amd-sham:~ % ls -l /dev/usb
> > total 0
> > crw-------  1 root  operator  0x2c Sep 17 10:01 0.1.0
> > crw-------  1 root  operator  0x34 Sep 17 10:01 0.1.1
> > crw-------  1 root  operator  0x46 Sep 17 15:31 0.2.0
> > crw-------  1 root  operator  0x59 Sep 17 15:31 0.2.1
> > crw-------  1 root  operator  0x4b Sep 17 15:31 0.3.0
> > crw-------  1 root  operator  0x4f Sep 17 15:31 0.3.1
> > crw-------  1 root  operator  0x50 Sep 17 15:31 0.3.2
> > crw-------  1 root  operator  0x51 Sep 17 15:31 0.3.3
> > crw-------  1 root  operator  0x52 Sep 17 15:31 0.4.0
> > crw-------  1 root  operator  0x54 Sep 17 15:31 0.4.1
> > crw-------  1 root  operator  0x57 Sep 17 15:31 0.5.0
> > crw-------  1 root  operator  0x5e Sep 17 15:31 0.5.1
> > crw-------  1 root  operator  0x5f Sep 17 15:31 0.5.2
> > crw-------  1 root  operator  0x60 Sep 17 15:31 0.5.3
> >
>
> And:
> whoami
>
> Try to ktrace usbdump
>
> and see where it stops.
>
> --HPS
>
>