do you have another computer, perhaps a Windows system, you can plug this camera into to see if it works at all? On Tue, Sep 29, 2020 at 7:22 PM H <agents at meddatainc.com> wrote: > On 09/29/2020 10:01 PM, Bruce Ferrell wrote: > > On 9/29/20 6:50 PM, H wrote: > >> On 09/29/2020 09:09 PM, John Pierce wrote: > >>> do other USB 3 (XHCI) devices work on this system ? > >>> > >>> On Tue, Sep 29, 2020 at 5:27 PM H <agents at meddatainc.com> wrote: > >>> > >>>> On 09/29/2020 02:11 PM, Bruce Ferrell wrote: > >>>>> Try > >>>>> > >>>>> lsusb -v > >>>>> > >>>>> and > >>>>> > >>>>> sudo dmesg > >>>>> > >>>>> ... Be aware, systemd deals with udev and it may be malfunctioning > >>>>> > >>>>> > >>>>> On 9/29/2020 10:30 AM, H wrote: > >>>>>> Just installed the above USB webcam but it is not recognized by > dmesg | > >>>> grep usb, nor does Zoom recognize it. I was under the understanding it > >>>> should not require a driver, or? > >>>>>> I am running CentOS 7. > >>>>>> > >>>>>> Thanks. > >>>>>> > >>>>>> _______________________________________________ > >>>>>> CentOS mailing list > >>>>>> CentOS at centos.org > >>>>>> https://lists.centos.org/mailman/listinfo/centos > >>>>> _______________________________________________ > >>>>> CentOS mailing list > >>>>> CentOS at centos.org > >>>>> https://lists.centos.org/mailman/listinfo/centos > >>>> I'll bite, systemd and its interaction with udev is beyond my > paygrade. > >>>> How do I investigate this? > >>>> > >>>> _______________________________________________ > >>>> CentOS mailing list > >>>> CentOS at centos.org > >>>> https://lists.centos.org/mailman/listinfo/centos > >>>> > >> Not sure I have any. I tried two different USB 3.0 connectors with the > same result. > >> > >> Is there any way I can test this? > > > > I just checked my C922 it's plugged into a USB2 port and works fine > > > > Try ANY usb device in your ports and see if it shows up in lsusb > > > > You may have a bad port > > > > > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > https://lists.centos.org/mailman/listinfo/centos > > I have tried three different ports, two USB-3 and one USB-2 port... > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > -- -john r pierce recycling used bits in santa cruz