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?
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
try the camera in a USB 2 port, it should work just fine at usb 2 speeds. most systems, the USB 3 ports hve a 'blue' tongue, while the 2 ports are black or another color. On Tue, Sep 29, 2020 at 6:50 PM H <agents at meddatainc.com> 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? > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >-- -john r pierce recycling used bits in santa cruz
On 09/29/2020 10:07 PM, John Pierce wrote:> try the camera in a USB 2 port, it should work just fine at usb 2 speeds. > most systems, the USB 3 ports hve a 'blue' tongue, while the 2 ports are > black or another color. > > On Tue, Sep 29, 2020 at 6:50 PM H <agents at meddatainc.com> 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? >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> >Just tried a USB 2 port with a similar outcome: kernel: usb 1-9: can't read configurations, error -32 kernel: usb usb1-port9: attempt power cycle kernel: usb 1-9: new high-speed USB device number 23 using xhci_hcd kernel: usb 1-9: unable to read config index 0 descriptor/all kernel: usb 1-9: can't read configurations, error -32 kernel: usb 1-9: new high-speed USB device number 24 using xhci_hcd kernel: usb 1-9: unable to read config index 0 descriptor/all kernel: usb 1-9: can't read configurations, error -32 kernel: usb usb1-port9: unable to enumerate USB device I also have Logitech Bluetooth mouse, an external harddisk, a Belkin USB-serial adapter for my UPS, and a Canon scanner attached to other USB ports, all working fine.
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/centosI have tried three different ports, two USB-3 and one USB-2 port...
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