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Hi everyone,...
I just found out, that my docking station is completely powered off (including connected devices), when there is a power cut, even when my laptop ist docked to it and running.
Laptop is a "Thinkpad x260", Dockingstation is "Lenovo ThinkPad Ultra Dock"
Unfortunately, I have usally one or more external USB Disks connected to it and thought, they were covered in case of power loss. Turns out, they are not.
This is what happens, when the laptop is docked and the docking station lost power:
Jan 16 17:55:01 kernel: usb 1-4: USB disconnect, device number 3
Jan 16 17:55:01 kernel: usb 1-4.4: USB disconnect, device number 5
Jan 16 17:55:01 kernel: usb 1-4.4.1: USB disconnect, device number 9
Jan 16 17:55:01 kernel: usblp0: removed
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.693] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4.1/1-4.4.1:1.0 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.694] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4.1 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.694] (A) uid=0 pid=619 result='SUCCESS' device.rule='allow id 04e8:328b serial "4521BFFPC12102K." name "ML-1630 Series" hash "v1p3xYguDZ37MAY3W2eXf2sHue0XSw4nqMV1rjFhg+k=" parent-hash "zC/l1hLcFOg5CzEKcyZMP/h1xmdZLnH5ssvafoV6pj0=" via-port "1-4.4.1" with-interface 07:01:02 with-connect-type "unknown"' device.system_name='/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4.1' type='Device.Remove'
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.696] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4:1.0 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.696] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.697] (A) uid=0 pid=619 result='SUCCESS' device.rule='allow id 17ef:100f serial "Rev1.2" name "Lenovo ThinkPad Dock" hash "zC/l1hLcFOg5CzEKcyZMP/h1xmdZLnH5ssvafoV6pj0=" parent-hash "OkrTUwAUxn55t8+ezGtkhdgxjz9TIluGUS+bjFE+iC4=" via-port "1-4.4" with-interface { 09:00:01 09:00:02 } with-connect-type "unknown"' device.system_name='/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4' type='Device.Remove'
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.697] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.698] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb1/1-4 action=unbind
Jan 16 17:55:01 usbguard-daemon[619]: [1610816101.698] (A) uid=0 pid=619 result='SUCCESS' device.rule='allow id 17ef:1010 serial "" name "Lenovo ThinkPad Dock " hash "OkrTUwAUxn55t8+ezGtkhdgxjz9TIluGUS+bjFE+iC4=" parent-hash "jEP/6WzviqdJ5VSeTUY8PatCNBKeaREvo2OqdplND/o=" via-port "1-4" with-interface 09:00:00 with-connect-type "hotplug"' device.system_name='/devices/pci0000:00/0000:00:14.0/usb1/1-4' type='Device.Remove'
Jan 16 17:55:01 udev-configure-printer[5365]: remove /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4.1/1-4.4.1:1.0
Jan 16 17:55:01 udev-configure-printer[5365]: URI of detected printer: usb://Samsung/ML-1630%20Series?serial=4521BFFPC12102K., normalized: samsung ml 1630 series serial 4521bffpc12102k
Jan 16 17:55:01 udev-configure-printer[5365]: URI of print queue: cups-pdf:/, normalized: cups pdf
Jan 16 17:55:01 udev-configure-printer[5365]: URI of print queue: usb://Samsung/ML-1630%20Series?serial=4521BFFPC12102K., normalized: samsung ml 1630 series serial 4521bffpc12102k
Jan 16 17:55:01 udev-configure-printer[5365]: Queue ipp://localhost/printers/ML-1630 has matching device URI
Jan 16 17:55:01 udev-configure-printer[5365]: Disabled printer ipp://localhost/printers/ML-1630 as the corresponding device was unplugged or turned off
Jan 16 17:55:01 root[5369]: ACPI action undefined: PNP0C0A:01
Jan 16 17:55:02 root[5371]: ACPI action undefined: ACPI0003:00
Jan 16 17:55:02 root[5374]: ACPI group/action undefined: ibm/hotkey / LEN0068:00
Jan 16 17:55:02 root[5376]: ACPI group/action undefined: thermal_zone / LNXTHERM:00
Jan 16 17:55:02 kernel: usb 2-4: USB disconnect, device number 2
Jan 16 17:55:02 kernel: usb 2-4.1: USB disconnect, device number 3
Jan 16 17:55:02 kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
Jan 16 17:55:02 systemd-homed[615]: block device /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.1/2-4.1:1.0/host0/target0:0:0/0:0:0:0/block/sda/sda1 has been removed.
Jan 16 17:55:02 systemd-homed[615]: block device /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.1/2-4.1:1.0/host0/target0:0:0/0:0:0:0/block/sda has been removed.
Jan 16 17:55:02 kernel: sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.724] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.1/2-4.1:1.0 action=unbind
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.725] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.1 action=unbind
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.726] (A) uid=0 pid=619 result='SUCCESS' device.rule='allow id 152d:0578 serial "201913134D5DF" name "USB3.0 Device" hash "YGUhBTst3DW/w6tcMdtKTH42Yco2Iz6rLirVQ6+GPTw=" parent-hash "KeGZSLglm8uUqZaWgqpMz4O4Eb8lWCd3vnRbRJIL5mM=" via-port "2-4.1" with-interface { 08:06:50 08:06:62 } with-connect-type "unknown"' device.system_name='/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.1' type='Device.Remove'
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.726] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0 action=unbind
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.727] (W) Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:14.0/usb2/2-4 action=unbind
Jan 16 17:55:02 usbguard-daemon[619]: [1610816102.728] (A) uid=0 pid=619 result='SUCCESS' device.rule='allow id 17ef:1010 serial "" name "Lenovo ThinkPad Dock " hash "KeGZSLglm8uUqZaWgqpMz4O4Eb8lWCd3vnRbRJIL5mM=" parent-hash "3Wo3XWDgen1hD5xM3PSNl3P98kLp1RUTgGQ5HSxtf8k=" via-port "2-4" with-interface 09:00:00 with-connect-type "hotplug"' device.system_name='/devices/pci0000:00/0000:00:14.0/usb2/2-4' type='Device.Remove'I have an very old Thinkpad X200 with an even old docking station, that will happily provide power from the laptop battery in such situation without any configuration needed. Can I somehow change how the Dockingstation behaves, when there is a loss of power? Is it even configurable? I found nothing related to it in the BIOS/EFI and I wonder, if there is a way to let e.g. the kernel handle this situation.
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