systemd-udevd having a 100% cpu because of logitech trackbal

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systemd-udevd having a 100% cpu because of logitech trackbal

Postby eigenman96 » 2017-07-11 01:42

Hi all,

I'm running debian SID on my desktop computer (mostly used as a media server), and I recently noticed that systemd-udevd was using 100% of my CPU. After investigating the issue a bit, it seems the problem is with logitech M570's interaction with my system. In particular, when the usb transceiver is plugged in, I see the following in my dmesg output:

Code: Select all
<snip>
[  197.778802] logitech-hidpp-device 0003:046D:1028.00ED: input,hidraw3: USB HID v1.11 Mouse [Logitech M570] on usb-0000:00:14.0-7:1
[  198.042420] usb 3-10: new full-speed USB device number 63 using xhci_hcd
[  198.184700] usb 3-10: New USB device found, idVendor=046d, idProduct=c52b
[  198.184703] usb 3-10: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  198.184705] usb 3-10: Product: USB Receiver
[  198.184707] usb 3-10: Manufacturer: Logitech
[  198.190801] logitech-djreceiver 0003:046D:C52B.00F0: hiddev0,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-10/input2
[  198.310550] usb 3-7: USB disconnect, device number 62
[  198.317759] input: Logitech M570 as /devices/pci0000:00/0000:00:14.0/usb3/3-10/3-10:1.2/0003:046D:C52B.00F0/0003:046D:1028.00F1/input/input32
[  198.342789] logitech-hidpp-device 0003:046D:1028.00F1: input,hidraw2: USB HID v1.11 Mouse [Logitech M570] on usb-0000:00:14.0-10:1
[  198.606440] usb 3-7: new full-speed USB device number 64 using xhci_hcd
[  198.748885] usb 3-7: New USB device found, idVendor=046d, idProduct=c52b
[  198.748890] usb 3-7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  198.748893] usb 3-7: Product: USB Receiver
[  198.748896] usb 3-7: Manufacturer: Logitech
[  198.755064] logitech-djreceiver 0003:046D:C52B.00F4: hiddev0,hidraw3: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-7/input2
[  198.874543] usb 3-10: USB disconnect, device number 63
[  198.881762] input: Logitech M570 as /devices/pci0000:00/0000:00:14.0/usb3/3-7/3-7:1.2/0003:046D:C52B.00F4/0003:046D:1028.00F5/input/input33
[  198.906769] logitech-hidpp-device 0003:046D:1028.00F5: input,hidraw1: USB HID v1.11 Mouse [Logitech M570] on usb-0000:00:14.0-7:1
[  199.170456] usb 3-10: new full-speed USB device number 65 using xhci_hcd
[  199.312887] usb 3-10: New USB device found, idVendor=046d, idProduct=c52b
[  199.312892] usb 3-10: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  199.312895] usb 3-10: Product: USB Receiver
[  199.312897] usb 3-10: Manufacturer: Logitech
[  199.319017] logitech-djreceiver 0003:046D:C52B.00F8: hiddev0,hidraw2: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-10/input2
[  199.438715] usb 3-7: USB disconnect, device number 64
[  199.445741] input: Logitech M570 as /devices/pci0000:00/0000:00:14.0/usb3/3-10/3-10:1.2/0003:046D:C52B.00F8/0003:046D:1028.00F9/input/input34
[  199.495052] logitech-hidpp-device 0003:046D:1028.00F9: input,hidraw1: USB HID v1.11 Mouse [Logitech M570] on usb-0000:00:14.0-10:1
[  199.758475] usb 3-7: new full-speed USB device number 66 using xhci_hcd
[  200.502586] usb 3-10: USB disconnect, device number 65
...


I've also noticed that the trackball works terribly on my desktop (i.e. it stop working randomly), and up until now I blamed it on the distance of the trackball from the desktop, old batteries, or just broken trackball. I just checked the trackball on my laptop and it works like a charm, so I feel that I never set up my mouse correctly here.
When I disconnect the transceiver, the error messages stop and cpu usage goes back to normal. I was wondering, does anyone have any suggestion on how I can fix this?
eigenman96
 
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Joined: 2017-07-11 01:31

Re: systemd-udevd having a 100% cpu because of logitech trac

Postby Bulkley » 2017-07-11 01:58

eigenman96 wrote:I'm running debian SID on my desktop computer (mostly used as a media server) . . .


Can we assume you know that Sid is called Unstable for a reason?
Bulkley
 
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Re: systemd-udevd having a 100% cpu because of logitech trac

Postby eigenman96 » 2017-07-11 04:28

Yes... you can. :)

I'm still curious what's causing the problem, and how I can fix it.
eigenman96
 
Posts: 2
Joined: 2017-07-11 01:31

Re: systemd-udevd having a 100% cpu because of logitech trac

Postby dasein » 2017-07-11 04:43

eigenman96 wrote:I'm still curious what's causing the problem, and how I can fix it.

That's what Debian relies on Sid users for.
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dasein
 
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