Feb. 17, 2022 06:07:16 Paul Menzel <pmenzel@xxxxxxxxxxxxx>: > Dear Linux folks, > > > On the Dell OptiPlex 5055 connect a Logitech Webcam C270 over USB, Linux 5.10.93 reports the error below: > > $ dmesg --level=err > [ 13.739837] usb 3-2: 3:3: cannot set freq 24000 to ep 0x82 What problem do you experience? https://www.techytalk.info/logitech-e3500-webcam-and-cannot-set-freq-16000-to-ep-0x86/ > $ dmesg | grep -e 'usb 3-2' -e input10 > [ 4.682834] usb 3-2: new high-speed USB device number 2 using xhci_hcd > [ 12.268308] input: C270 HD WEBCAM as /devices/pci0000:00/0000:00:07.1/0000:05:00.3/usb3/3-2/3-2:1.0/input/input10 > [ 13.709847] usb 3-2: current rate 16000 is different from the runtime rate 32000 > [ 13.725839] usb 3-2: current rate 24000 is different from the runtime rate 16000 > [ 13.739837] usb 3-2: 3:3: cannot set freq 24000 to ep 0x82 > [ 13.864837] usb 3-2: set resolution quirk: cval->res = 384 > [ 59.598714] usb 3-2: reset high-speed USB device number 2 using xhci_hcd > [ 3921.003081] usb 3-2: reset high-speed USB device number 2 using xhci_hcd > [ 3926.523106] usb 3-2: reset high-speed USB device number 2 using xhci_hcd > > $ lsusb > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 003 Device 002: ID 046d:0825 Logitech, Inc. Webcam C270 > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 002: ID 413c:301a Dell Computer Corp. > Bus 001 Device 003: ID 413c:2113 Dell Computer Corp. > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > What does that error mean exactly, and what can be done about it? Could the message be extended like “Report that problem to the USB device vendor to fix the firmware to be spec compliant.” or something like that? (If that is the case.) > > > Kind regards > > Paul
