My UPS wokrs uncorrectly. it appears and disappears in system after a
few seconds. help me
Ubuntu 20.04
5.4.0-56-generic
[ 2925.730918] usb 1-1.2: new low-speed USB device number 74 using ehci-pci
[ 2925.848395] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2925.848402] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2925.848405] usb 1-1.2: Product: HID UPS Battery
[ 2925.848409] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2925.848411] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2925.894211] hid-generic 0003:0D9F:0004.01C3: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2929.604764] usb 1-1.2: USB disconnect, device number 74
[ 2932.131003] usb 1-1.2: new low-speed USB device number 75 using ehci-pci
[ 2932.248646] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2932.248653] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2932.248656] usb 1-1.2: Product: HID UPS Battery
[ 2932.248659] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2932.248662] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2932.296611] hid-generic 0003:0D9F:0004.01C4: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2936.004771] usb 1-1.2: USB disconnect, device number 75
[ 2938.531147] usb 1-1.2: new low-speed USB device number 76 using ehci-pci
[ 2938.648654] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2938.648661] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2938.648665] usb 1-1.2: Product: HID UPS Battery
[ 2938.648668] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2938.648670] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2938.695146] hid-generic 0003:0D9F:0004.01C5: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2942.404770] usb 1-1.2: USB disconnect, device number 76
[ 2945.187271] usb 1-1.2: new low-speed USB device number 77 using ehci-pci
[ 2945.304664] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2945.304670] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2945.304674] usb 1-1.2: Product: HID UPS Battery
[ 2945.304677] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2945.304680] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2945.349977] hid-generic 0003:0D9F:0004.01C6: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2949.060775] usb 1-1.2: USB disconnect, device number 77
[ 2951.843390] usb 1-1.2: new low-speed USB device number 78 using ehci-pci
[ 2951.960420] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2951.960427] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2951.960430] usb 1-1.2: Product: HID UPS Battery
[ 2951.960433] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2951.960436] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2952.006860] hid-generic 0003:0D9F:0004.01C7: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2955.716788] usb 1-1.2: USB disconnect, device number 78
[ 2958.499506] usb 1-1.2: new low-speed USB device number 79 using ehci-pci
[ 2958.616917] usb 1-1.2: New USB device found, idVendor=0d9f,
idProduct=0004, bcdDevice= 0.02
[ 2958.616924] usb 1-1.2: New USB device strings: Mfr=3, Product=1,
SerialNumber=2
[ 2958.616927] usb 1-1.2: Product: HID UPS Battery
[ 2958.616930] usb 1-1.2: Manufacturer: POWERCOM Co.,LTD
[ 2958.616933] usb 1-1.2: SerialNumber: 004-0D9F-000
[ 2958.666897] hid-generic 0003:0D9F:0004.01C8: hiddev0,hidraw2: USB HID
v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
usb-0000:00:1a.0-1.2/input0
[ 2962.372449] usb 1-1.2: USB disconnect, device number 79
looking at device '/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2':
KERNEL=="1-1.2"
SUBSYSTEM=="usb"
DRIVER=="usb"
ATTR{configuration}==""
ATTR{idProduct}=="0004"
ATTR{speed}=="1.5"
ATTR{maxchild}=="0"
ATTR{idVendor}=="0d9f"
ATTR{urbnum}=="13"
ATTR{bConfigurationValue}=="1"
ATTR{bMaxPower}=="100mA"
ATTR{authorized}=="1"
ATTR{bMaxPacketSize0}=="8"
ATTR{version}==" 1.10"
ATTR{manufacturer}=="POWERCOM Co.,LTD"
ATTR{product}=="HID UPS Battery"
ATTR{serial}=="004-0D9F-000"
ATTR{bmAttributes}=="a0"
ATTR{rx_lanes}=="1"
ATTR{devnum}=="41"
ATTR{quirks}=="0x0"
ATTR{bNumConfigurations}=="1"
ATTR{tx_lanes}=="1"
ATTR{avoid_reset_quirk}=="0"
ATTR{bcdDevice}=="0002"
ATTR{devpath}=="1.2"
ATTR{ltm_capable}=="no"
ATTR{bNumInterfaces}==" 1"
ATTR{bDeviceSubClass}=="00"
ATTR{bDeviceClass}=="00"
ATTR{bDeviceProtocol}=="00"
ATTR{busnum}=="1"
ATTR{removable}=="removable"
looking at parent device '/devices/pci0000:00/0000:00:1a.0/usb1/1-1':
KERNELS=="1-1"
SUBSYSTEMS=="usb"
DRIVERS=="usb"
ATTRS{bmAttributes}=="e0"
ATTRS{tx_lanes}=="1"
ATTRS{idVendor}=="8087"
ATTRS{authorized}=="1"
ATTRS{removable}=="fixed"
ATTRS{quirks}=="0x0"
ATTRS{urbnum}=="14622"
ATTRS{configuration}==""
ATTRS{bMaxPacketSize0}=="64"
ATTRS{bConfigurationValue}=="1"
ATTRS{bcdDevice}=="0005"
ATTRS{maxchild}=="4"
ATTRS{devpath}=="1"
ATTRS{version}==" 2.00"
ATTRS{ltm_capable}=="no"
ATTRS{bMaxPower}=="0mA"
ATTRS{devnum}=="2"
ATTRS{speed}=="480"
ATTRS{bDeviceClass}=="09"
ATTRS{avoid_reset_quirk}=="0"
ATTRS{bDeviceSubClass}=="00"
ATTRS{rx_lanes}=="1"
ATTRS{busnum}=="1"
ATTRS{bNumInterfaces}==" 1"
ATTRS{idProduct}=="8008"
ATTRS{bNumConfigurations}=="1"
ATTRS{bDeviceProtocol}=="01"
looking at parent device '/devices/pci0000:00/0000:00:1a.0/usb1':
KERNELS=="usb1"
SUBSYSTEMS=="usb"
DRIVERS=="usb"
ATTRS{interface_authorized_default}=="1"
ATTRS{rx_lanes}=="1"
ATTRS{bmAttributes}=="e0"
ATTRS{tx_lanes}=="1"
ATTRS{serial}=="0000:00:1a.0"
ATTRS{bConfigurationValue}=="1"
ATTRS{bNumConfigurations}=="1"
ATTRS{bMaxPacketSize0}=="64"
ATTRS{bDeviceSubClass}=="00"
ATTRS{authorized}=="1"
ATTRS{maxchild}=="2"
ATTRS{bDeviceProtocol}=="00"
ATTRS{bcdDevice}=="0504"
ATTRS{idProduct}=="0002"
ATTRS{bDeviceClass}=="09"
ATTRS{bMaxPower}=="0mA"
ATTRS{ltm_capable}=="no"
ATTRS{product}=="EHCI Host Controller"
ATTRS{manufacturer}=="Linux 5.4.0-56-generic ehci_hcd"
ATTRS{quirks}=="0x0"
ATTRS{bNumInterfaces}==" 1"
ATTRS{avoid_reset_quirk}=="0"
ATTRS{devpath}=="0"
ATTRS{busnum}=="1"
ATTRS{speed}=="480"
ATTRS{removable}=="unknown"
ATTRS{idVendor}=="1d6b"
ATTRS{urbnum}=="24"
ATTRS{configuration}==""
ATTRS{authorized_default}=="1"
ATTRS{devnum}=="1"
ATTRS{version}==" 2.00"
looking at parent device '/devices/pci0000:00/0000:00:1a.0':
KERNELS=="0000:00:1a.0"
SUBSYSTEMS=="pci"
DRIVERS=="ehci-pci"
ATTRS{subsystem_vendor}=="0x1043"
ATTRS{consistent_dma_mask_bits}=="32"
ATTRS{dma_mask_bits}=="32"
ATTRS{class}=="0x0c0320"
ATTRS{driver_override}=="(null)"
ATTRS{uframe_periodic_max}=="100"
ATTRS{local_cpus}=="f"
ATTRS{msi_bus}=="1"
ATTRS{companion}==""
ATTRS{irq}=="20"
ATTRS{vendor}=="0x8086"
ATTRS{enable}=="1"
ATTRS{d3cold_allowed}=="1"
ATTRS{ari_enabled}=="0"
ATTRS{subsystem_device}=="0x8534"
ATTRS{numa_node}=="-1"
ATTRS{local_cpulist}=="0-3"
ATTRS{revision}=="0x05"
ATTRS{device}=="0x8c2d"
ATTRS{broken_parity_status}=="0"
looking at parent device '/devices/pci0000:00':
KERNELS=="pci0000:00"
SUBSYSTEMS==""
DRIVERS==""
On older ubuntu this hardware works fine
