On 12/11/17 22:15, Gregory P. Ennis wrote: > On 11/11/17 02:22, Gregory P. Ennis wrote: >> Everyone, >> >> I was hoping to be able to plug the Logitech Brio in and have it >> work, >> but it did not. I can have it connect to a Windows 10 laptop and >> have >> it function, so I know the camera works. >> >> The Centos 7.4 is recognizing it when I plug in the usb 3.0 cable. >> The >> results of dmesg demonstrated : >> >> [ 4519.922257] input: Logitech BRIO as >> /devices/pci0000:00/0000:00:04.0/0000:03:00.0/usb9/9-4/9- >> 4:1.4/input/input25 >> >> [ 4519.922402] hid-generic 0003:046D:085E.0009: input,hidraw0: USB >> HID >> v1.11 Device [Logitech BRIO] on usb-0000:03:00.0-4/input4 >> >> [ 4519.956452] usb 9-4: current rate 16000 is different from the >> runtime rate 48000 >> >> [ 4519.963948] usb 9-4: current rate 16000 is different from the >> runtime rate 48000 >> >> [ 4519.973798] usb 9-4: current rate 16000 is different from the >> runtime rate 48000 >> >> [ 4825.386775] usb 9-4: reset SuperSpeed USB device number 7 using >> xhci_hcd >> >> [ 5079.321074] usb 9-4: USB disconnect, device number 7 >> >> >> I am not seeing any new device driver in /dev/ >> >> Testing the programs 'cheese', 'vlc', and 'ucview' did not identify >> the >> camera. >> >> I have used Logitech C922 webcams with Centos 7.4 which work just by >> plugging them in. >> >> Does anyone have any ideas as to how to make this 4K camera work on >> 7.4? >> >> Thanks for your help!!! >> >> Greg Ennis >> > > You will need the appropriate device driver for it, and that driver > will > need to support the device. > > Probably the easiest way to see if the device is supported on Linux > yet > is to boot the very latest kernel, which conveniently for you is > packaged in RPM format in the elrepo-kernel repository. Head over to > elrepo and set up the repository on your system: > > http://elrepo.org/ > > then install the latest mainline kernel: > > yum --enablerepo=elrepo-kernel install kernel-ml > > Reboot to that new kernel (currently kernel-ml-4.13.12) and see again > if > the device is supported. > > ----------------------------------------------------------------------- > Phil, > > Thank you very much. > > After booting to the new kernel the camera worked very well with vlc > and ucview, but did not work with cheese. > > I have never used a kernel from your website. After checking whether > some of the things I use for production work with the new kernel, I did > not identify any problems. Are there things I should consider, or is > this kernel reasonable to use on a production basis. > > Thanks again!!!! > > Greg > > I would refer you to the release announcement: http://lists.elrepo.org/pipermail/elrepo/2017-November/003904.html Use at your own risk. But at least you now know the device is supported upstream, so you can head over to Red Hat and file an RFE to request support be backported from the upstream kernel.