Thanks for the reply. Here is the output when it fails. The "Unable to dequeue buffer: no such device" message happens hundreds of times. ... Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 plasmashell[16214]: V4L2_CORE: (VIDIOC_DQBUF) Unable to dequeue buffer: No such device Oct 17 13:54:05 workstation1 kernel: usb 1-3: new high-speed USB device number 10 using xhci_hcd Oct 17 13:54:06 workstation1 kernel: usb 1-3: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 64 Oct 17 13:54:06 workstation1 kernel: usb 1-3: New USB device found, idVendor=0603, idProduct=1002, bcdDevice= 0.10 Oct 17 13:54:06 workstation1 kernel: usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Oct 17 13:54:06 workstation1 kernel: usb 1-3: Product: Mobius Oct 17 13:54:06 workstation1 kernel: usb 1-3: Manufacturer: C-DUTEK Oct 17 13:54:06 workstation1 kernel: usb 1-3: Found UVC 1.00 device Mobius (0603:1002) Oct 17 13:54:06 workstation1 mtp-probe[16285]: checking bus 1, device 10: "/sys/devices/pci0000:00/0000:00:02.1/0000:01:00.0/usb1/1-3" Oct 17 13:54:06 workstation1 mtp-probe[16285]: bus: 1, device: 10 was not an MTP device Oct 17 13:54:06 workstation1 systemd-udevd[16263]: 1-3:1.1: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_cupsd /devices/pci0000:00/0000:00:02.1/0000:01: 00.0/usb1/1-3/1-3:1.1 0:0' failed with exit code 1. Oct 17 13:54:06 workstation1 systemd-udevd[16263]: 1-3:1.1: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_ippeveprinter /devices/pci0000:00/0000:00:02.1/ 0000:01:00.0/usb1/1-3/1-3:1.1 0:0' failed with exit code 1. Oct 17 13:54:06 workstation1 systemd-udevd[16264]: 1-3:1.0: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_cupsd /devices/pci0000:00/0000:00:02.1/0000:01: 00.0/usb1/1-3/1-3:1.0 0:0' failed with exit code 1. Oct 17 13:54:06 workstation1 systemd-udevd[16264]: 1-3:1.0: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_ippeveprinter /devices/pci0000:00/0000:00:02.1/ 0000:01:00.0/usb1/1-3/1-3:1.0 0:0' failed with exit code 1. Oct 17 13:54:06 workstation1 mtp-probe[16298]: checking bus 1, device 10: "/sys/devices/pci0000:00/0000:00:02.1/0000:01:00.0/usb1/1-3" Oct 17 13:54:06 workstation1 mtp-probe[16298]: bus: 1, device: 10 was not an MTP device Oct 17 13:54:06 workstation1 systemd-udevd[16264]: 1-3: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_cupsd /devices/pci0000:00/0000:00:02.1/0000:01:00.0 /usb1/1-3 189:9' failed with exit code 1. Oct 17 13:54:06 workstation1 systemd-udevd[16264]: 1-3: Process '/usr/libexec/snapd/snap-device-helper bind snap_cups_ippeveprinter /devices/pci0000:00/0000:00:02.1/0000 :01:00.0/usb1/1-3 189:9' failed with exit code 1. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
