On October 1, 2020 11:58:11 AM EDT, Bruce Ferrell <bferrell at baywinds.org> wrote: >On 9/30/20 8:52 AM, H wrote: >> 00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset >Family USB 3.0 xHCI Controller >My system has these: > >00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB xHCI (rev 05) >00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB EHCI #2 (rev 05) >00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB EHCI #1 (rev 05) > >lspci -s 00:14.0 -v >00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB xHCI (rev 05) (prog-if 30 [XHCI]) > Subsystem: ASUSTeK Computer Inc. Device 201f > Flags: bus master, medium devsel, latency 0, IRQ 25 > Memory at dd600000 (64-bit, non-prefetchable) [size=64K] > Capabilities: [70] Power Management version 2 > Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+ > Kernel driver in use: xhci_hcd > Kernel modules: xhci_pci > >lspci -s 00:1a.0 -v >00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB EHCI #2 (rev 05) (prog-if 20 [EHCI]) > Subsystem: ASUSTeK Computer Inc. Device 201f > Flags: bus master, medium devsel, latency 0, IRQ 16 > Memory at dd618000 (32-bit, non-prefetchable) [size=1K] > Capabilities: [50] Power Management version 2 > Capabilities: [58] Debug port: BAR=1 offset=00a0 > Capabilities: [98] PCI Advanced Features > Kernel driver in use: ehci-pci > Kernel modules: ehci_pci > >lspci -s 00:1d.0 -v >00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset >Family USB EHCI #1 (rev 05) (prog-if 20 [EHCI]) > Subsystem: ASUSTeK Computer Inc. Device 201f > Flags: bus master, medium devsel, latency 0, IRQ 23 > Memory at dd617000 (32-bit, non-prefetchable) [size=1K] > Capabilities: [50] Power Management version 2 > Capabilities: [58] Debug port: BAR=1 offset=00a0 > Capabilities: [98] PCI Advanced Features > Kernel driver in use: ehci-pci > Kernel modules: ehci_pci > >These are my kernel modules: > >lsmod | grep usb >btusb 53248 0 >btrtl 16384 1 btusb >btbcm 16384 1 btusb >btintel 20480 1 btusb >bluetooth 589824 41 btrtl,btintel,bnep,btbcm,rfcomm,btusb >snd_usb_audio 278528 1 >snd_usbmidi_lib 36864 1 snd_usb_audio >snd_hwdep 16384 2 snd_hda_codec,snd_usb_audio >snd_rawmidi 40960 1 snd_usbmidi_lib >snd_pcm 143360 5 >snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_hda_core,snd_hda_codec_hdmi >snd 98304 23 >snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_usb_audio,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_usbmidi_lib,snd_seq_device,snd_hda_codec_realtek,snd_pcm >usbhid 57344 0 >usbcore 290816 9 >uvcvideo,usbhid,snd_usb_audio,ehci_hcd,xhci_pci,snd_usbmidi_lib,btusb,xhci_hcd,ehci_pci > > >This line is important: > >usbcore 290816 9 >uvcvideo,usbhid,snd_usb_audio,ehci_hcd,xhci_pci,snd_usbmidi_lib,btusb,xhci_hcd,ehci_pci > >Notice the last two entries: xhci_hcd and ehci_pci > >Those correspond to: > > for my two usb 2 controllers: > > Kernel driver in use: xhci_hcd > Kernel modules: xhci_pci > > for my single usb 3 controller: > > Kernel driver in use: xhci_hcd > Kernel modules: xhci_pci > > >from your lspci: > >00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset >Family USB 3.0 xHCI Controller > >This is the sole USB controller in your system and it's a USB 3 >controller > >so... in your case let's do: > >sudo lspci -s 00:14.0 -v > >then try: > >sudo modprobe usbcore > >and repeat: > >sudo lspci -s 00:14.0 -v > >see if the Kernel driver/module lines change. If they do, plug the >camera in and check for it to be recognized in lsusb > > > > >_______________________________________________ >CentOS mailing list >CentOS at centos.org >https://lists.centos.org/mailman/listinfo/centos Thank you. Unfortunately I will not have access to this computer for some time, will let you know when I can try what you suggest.