Happening here on a Dell Latitude E5500

$ top
  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND     
               
  380 root      20   0  110872  69188   3232 R  88.9  1.7   0:43.18 
systemd-udevd              
  392 root      20   0   45872   6488   5320 R  22.2  0.2   0:26.84 
systemd-udevd

$ udevadm monitor
KERNEL[161.787649] bind     
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)
KERNEL[161.789029] unbind   
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)
UDEV  [161.790050] unbind   
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)
KERNEL[161.799621] bind     
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)
KERNEL[161.801036] unbind   
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)
UDEV  [161.802407] bind     
/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0 (usb)

$ journalctl | grep -i udevd
May 09 07:25:31 Latitude-E5500-GB8FR4J systemd-udevd[367]: Process 'hid2hci 
--method=dell 
--devpath=/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.2/8-2.2:1.0' failed 
with exit code 1.


Thanks
JT

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https://bugs.launchpad.net/bugs/1759836

Title:
  systemd-udevd consumes 100% of CPU

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