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@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@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.
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I'll bite, systemd and its interaction with udev is beyond my paygrade. How do I investigate this?
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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?
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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.