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Enviado por Avron o Ven, 05/12/2023 - 21:37

Loosing mouse and keyboard during backup to external USB SSD

1 reply [Última entrada]
Ven, 05/12/2023 - 21:37
Avron
Avron

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Joined: 08/18/2020

I have a new Samsung T7 USB SSD that I tried using with BackInTime.

Repeatedly, mouse and keyboard become unresponsive and the keyboard LED is eventually off. I have them connected via a KVM that isn't connected to anything else. When I switch it back and forward, they are connected again (this simulates plug out and plug in, without having to do it physically as the plugs are not easy to access).

When this happens, the logs show the following sequence (every occurence is similar):
mai 12 15:30:14 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:15 kernel: usb 1-2.1: reset low-speed USB device number 74 using ehci-pci
mai 12 15:30:15 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:15 rtkit-daemon[1538]: Supervising 19 threads of 15 processes of 1 users.
mai 12 15:30:15 rtkit-daemon[1538]: Supervising 19 threads of 15 processes of 1 users.
mai 12 15:30:15 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:16 kernel: usb 1-2.1: reset low-speed USB device number 74 using ehci-pci
mai 12 15:30:16 kernel: usb 1-2.1: device not accepting address 74, error -32
mai 12 15:30:16 kernel: usb 1-2.1: reset low-speed USB device number 74 using ehci-pci
mai 12 15:30:17 kernel: usb 1-2.1: device not accepting address 74, error -32
mai 12 15:30:17 kernel: usb 1-2.2: new full-speed USB device number 78 using ehci-pci
mai 12 15:30:17 kernel: usb 1-2.2: device descriptor read/64, error -32
mai 12 15:30:17 kernel: usb 1-2.2: device descriptor read/64, error -32
mai 12 15:30:18 kernel: usb 1-2.2: new full-speed USB device number 79 using ehci-pci
mai 12 15:30:18 kernel: usb 1-2.2: device descriptor read/64, error -32
mai 12 15:30:18 kernel: usb 1-2.2: device descriptor read/64, error -32
mai 12 15:30:18 kernel: usb 1-2-port2: attempt power cycle
mai 12 15:30:19 kernel: usb 1-2.2: new full-speed USB device number 80 using ehci-pci
mai 12 15:30:19 kernel: usb 1-2.2: device not accepting address 80, error -32
mai 12 15:30:19 kernel: usb 1-2.2: new full-speed USB device number 81 using ehci-pci
mai 12 15:30:20 kernel: usb 1-2.2: device not accepting address 81, error -32
mai 12 15:30:20 kernel: usb 1-2-port2: unable to enumerate USB device
mai 12 15:30:20 kernel: usb 1-2.3: USB disconnect, device number 76
mai 12 15:30:20 acpid[1036]: input device has been disconnected, fd 13
mai 12 15:30:20 kernel: usb 1-2.3: new low-speed USB device number 82 using ehci-pci
mai 12 15:30:20 kernel: usb 1-2.3: device descriptor read/64, error -32
mai 12 15:30:21 kernel: usb 1-2.3: device descriptor read/64, error -32
mai 12 15:30:21 kernel: usb 1-2.3: new low-speed USB device number 83 using ehci-pci
mai 12 15:30:22 kernel: usb 1-2.3: device descriptor read/64, error -32
mai 12 15:30:22 kernel: usb 1-2.3: device descriptor read/64, error -32
mai 12 15:30:23 kernel: usb 1-2-port3: attempt power cycle
mai 12 15:30:23 kernel: usb 1-2.3: new low-speed USB device number 84 using ehci-pci
mai 12 15:30:24 kernel: usb 1-2.3: device not accepting address 84, error -32
mai 12 15:30:24 kernel: usb 1-2.3: new low-speed USB device number 85 using ehci-pci
mai 12 15:30:24 kernel: usb 1-2.3: device not accepting address 85, error -32
mai 12 15:30:24 kernel: usb 1-2-port3: unable to enumerate USB device
mai 12 15:30:24 kernel: usb 1-2.1: USB disconnect, device number 74
mai 12 15:30:26 kernel: usb 1-2.1: new low-speed USB device number 86 using ehci-pci
mai 12 15:30:26 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:27 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:27 kernel: usb 1-2.1: new low-speed USB device number 87 using ehci-pci
mai 12 15:30:28 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:28 kernel: usb 1-2.1: device descriptor read/64, error -32
mai 12 15:30:28 kernel: usb 1-2-port1: attempt power cycle
mai 12 15:30:29 kernel: usb 1-2.1: new low-speed USB device number 88 using ehci-pci
mai 12 15:30:29 kernel: usb 1-2.1: device not accepting address 88, error -32
mai 12 15:30:29 kernel: usb 1-2.1: new low-speed USB device number 89 using ehci-pci
mai 12 15:30:30 kernel: usb 1-2.1: device not accepting address 89, error -32
mai 12 15:30:30 kernel: usb 1-2-port1: unable to enumerate USB device
mai 12 15:30:30 kernel: libvirtd[1153]: internal error: Missing udev property 'ID_VENDOR_ID' on '1-2.1'

I previously used a Samsung T5 USB SSD with BackInTime and such a problem did not occur. I noticed the last message libvirtd, I don't know whether it is because I recently installed virt-manager (but not virtual machine is running).

The keyboard and mouse become unresponsive as soon as the first message of the sequence occur (I saw this from "sudo journalctl -f" running in a terminal).

Is there a risk that my backup isn't ok?

Superior
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Sáb, 05/13/2023 - 00:25
#1
jxself
jxself
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Joined: 09/13/2010

I've had some pretty poor KVM over the years. On one, for example, pressing the button to switch from one to the other would cause the corresponding computer to think the screen, keyboard & mouse all got unplugged. The first thing I'd do for troubleshooting purposes is to try your setup without the KVM involved. That will either implicate the KVM being at fault, or rule it out.

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