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I have a dell studio 1569 and just installed linux onto it. I noticed that the cpu has been running high due to systemd-udevd. Going though different posts on the web including this one, I used "udevadm monitor" to help narrow down what was happening, and here is the output:

I first assumed a usb, so I plugged in and unplugged from all ports but soon discovered it did not have the same path as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb), then long story short, while I had udevadm monitor running, I pushed some keys on my keyboard and noticed that the path was the same for the keyboard (as seen in the picture above), only difference was the beginning of the line had aKERNEL in front of it instead of KERNEL or UDEV.

My next test was while I had udevadm monitor running, I took apart my laptop and disconnected the keyboard to see if those bind/unbind entrys would stop. But they continued, which makes me now think this is not the keyboard. Can someone know of what else it could be if it is not the keyboard?

Here is the output from lsusb -t:

systemd udev cpu-usage

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I have a dell studio 1569 and just installed linux onto it. I noticed that the cpu has been running high due to systemd-udevd. Going though different posts on the web including this one, I used "udevadm monitor" to help narrow down what was happening, and here is the output:

I first assumed a usb, so I plugged in and unplugged from all ports but soon discovered it did not have the same path as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb), then long story short, while I had udevadm monitor running, I pushed some keys on my keyboard and noticed that the path was the same for the keyboard (as seen in the picture above), only difference was the beginning of the line had aKERNEL in front of it instead of KERNEL or UDEV.

My next test was while I had udevadm monitor running, I took apart my laptop and disconnected the keyboard to see if those bind/unbind entrys would stop. But they continued, which makes me now think this is not the keyboard. Can someone know of what else it could be if it is not the keyboard?

Here is the output from lsusb -t:

systemd udev cpu-usage

share

asked 5 mins ago

KayracerKayracer

111 bronze badge

New contributor

Kayracer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I have a dell studio 1569 and just installed linux onto it. I noticed that the cpu has been running high due to systemd-udevd. Going though different posts on the web including this one, I used "udevadm monitor" to help narrow down what was happening, and here is the output:

I first assumed a usb, so I plugged in and unplugged from all ports but soon discovered it did not have the same path as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb), then long story short, while I had udevadm monitor running, I pushed some keys on my keyboard and noticed that the path was the same for the keyboard (as seen in the picture above), only difference was the beginning of the line had aKERNEL in front of it instead of KERNEL or UDEV.

My next test was while I had udevadm monitor running, I took apart my laptop and disconnected the keyboard to see if those bind/unbind entrys would stop. But they continued, which makes me now think this is not the keyboard. Can someone know of what else it could be if it is not the keyboard?

Here is the output from lsusb -t:

systemd udev cpu-usage

share

asked 5 mins ago

KayracerKayracer

111 bronze badge

New contributor

Kayracer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 5 mins ago

KayracerKayracer

111 bronze badge

New contributor

Kayracer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 5 mins ago

KayracerKayracer

111 bronze badge

New contributor

Kayracer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 5 mins ago

KayracerKayracer

111 bronze badge

New contributor

Kayracer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 5 mins ago

KayracerKayracer

111 bronze badge