I'm having this exact issue on a 4th Gen Lenovo X1 Carbon. Here's the last parts from "sudo /usr/lib/fwupd/fwupd -v": 16:00:44:0184 Dfu host->device: 10 ff 81 f1 00 00 00 16:00:44:0185 Fu devices now in store: 16:00:44:0185 Fu 1 UEFI-dummy-dev0 UEFI Updates 16:00:44:0185 Fu 2 com.via.VL811.firmware VL811 Firmware 16:00:44:0185 Fu 3 com.via.VL811+.firmware VL811+ Firmware 16:00:44:0185 Fu 4 com.via.VL812.firmware VL812 Firmware 16:00:44:0185 Fu 5 com.via.VL812_B2.firmware VL812 B2 Firmware 16:00:44:0185 Fu 6 com.8bitdo.fc30.firmware FC30 16:00:44:0185 Fu 7 com.8bitdo.fc30arcade.firmware FC30 Joystick 16:00:44:0185 Fu 8 com.8bitdo.fc30pro.firmware FC30 Pro 16:00:44:0185 Fu 9 com.8bitdo.nes30.firmware NES30 16:00:44:0185 Fu 10 com.8bitdo.nes30pro.firmware NES30 Pro 16:00:44:0185 Fu 11 com.8bitdo.sfc30.firmware SFC30 16:00:44:0185 Fu 12 com.8bitdo.snes30.firmware SNES30 16:00:44:0185 Fu 13 com.dell.uefi124c207d.firmware XPS 15 9550/Precision 5510 System Update 16:00:44:0185 Fu 14 com.dell.uefi1610b70e.firmware Inspiron 14 7000 Gaming/Inspiron 15 7000 Gaming System Update 16:00:44:0185 Fu 15 com.dell.uefi169d9146.firmware Vostro 14-3468 System Update 16:00:44:0185 Fu 16 com.dell.uefi1d4362ca.firmware Inspiron 14-3467 System Update 16:00:44:0185 Fu 17 com.dell.uefi212026ee.firmware Latitude E7X70 System Update 16:00:44:0185 Fu 18 com.dell.uefi21f94926.firmware Edge Gateway 3000/3001/3002/3003 System Update 16:00:44:0185 Fu 19 com.dell.uefi22d63f4.firmware TPM 2.0 Update 16:00:44:0185 Fu 20 com.dell.uefi293af847.firmware OptiPlex 3050 System Update 16:00:44:0185 Fu 21 com.dell.uefi33773727.firmware XPS 13 9350 System Update 16:00:44:0185 Fu 22 com.dell.uefi34578c72.firmware XPS 15 9560/Precision 5520 System Update 16:00:44:0185 Fu 23 com.dell.uefi3c20b9e1.firmware OptiPlex 7450 AIO System Update 16:00:44:0185 Fu 24 com.dell.uefi43ca3264.firmware OptiPlex 7440 AIO System Update 16:00:44:0185 Fu 25 com.dell.uefi45e3439b.firmware ChengMing 3967 System Update 16:00:44:0185 Fu 26 com.dell.uefi48af7d21.firmware XPS 13 9360 System Update 16:00:44:0186 Fu 27 com.dell.uefi49e03513.firmware Latitude 5X80 System Update 16:00:44:0186 Fu 28 com.dell.uefi4fed6c9d.firmware OptiPlex 7050 System Update 16:00:44:0186 Fu 29 com.dell.uefi5034bac4.firmware TPM 1.2 Update 16:00:44:0186 Fu 30 com.dell.uefi51d41d4e.firmware Latitude 7370 System Update 16:00:44:0186 Fu 31 com.dell.uefi53f51f56.firmware Latitude 7X80 System Update 16:00:44:0186 Fu 32 com.dell.uefi5b7ab884.firmware Precision E7X10 System Update 16:00:44:0186 Fu 33 com.dell.uefi5ffdbc0d.firmware XPS 13 9360 System Update 16:00:44:0186 Fu 34 com.dell.uefi6180aaaa.firmware Latitude E5X60 System Update 16:00:44:0186 Fu 35 com.dell.uefi8080d214.firmware OptiPlex 5050 System Update 16:00:44:0186 Fu 36 com.dell.uefi8661c04a.firmware Latitude 3470 System Update 16:00:44:0186 Fu 37 com.dell.uefi8b7b32a7.firmware Latitude 5X80 System Update 16:00:44:0186 Fu 38 com.dell.uefi9cb573d5.firmware Latitude 3480 System Update 16:00:44:0186 Fu 39 com.dell.uefia0a3aa54.firmware Embedded Box PC 5000 System Update 16:00:44:0186 Fu 40 com.dell.uefia81a55fe.firmware OptiPlex 3240 AIO System Update 16:00:44:0186 Fu 41 com.dell.uefiaee2604a.firmware Embedded Box PC 3000 System Update 16:00:44:0186 Fu 42 com.dell.uefib566a9b1.firmware OptiPlex 5250 AIO System Update 16:00:44:0186 Fu 43 com.dell.uefib950d63c.firmware OptiPlex 7040 System Update 16:00:44:0186 Fu 44 com.dell.uefid69fed57.firmware OptiPlex 3050 AIO System Update 16:00:44:0186 Fu 45 com.dell.uefie0f614ed.firmware Edge Gateway 5000/5100 System Update 16:00:44:0186 Fu 46 com.dell.uefif952fe9e.firmware Latitude 3380 System Update 16:00:44:0186 Fu 47 com.hughski.ColorHug.firmware ColorHug 16:00:44:0186 Fu 48 com.hughski.ColorHug2.firmware ColorHug2 16:00:44:0186 Fu 49 com.hughski.ColorHugALS.firmware ColorHugALS 16:00:44:0189 Dfu device->host: 10 ff 8f 81 f1 03 00 16:00:44:0189 Dfu host->device: 10 ff 81 f1 00 00 00 16:00:44:0191 Dfu device->host: 10 ff 8f 81 f1 03 00 16:00:44:0191 Dfu host->device: 10 ff 81 f1 01 00 00 16:00:44:0193 Dfu device->host: 10 ff 81 f1 01 12 03 16:00:44:0193 Dfu host->device: 10 ff 81 f1 02 00 00 16:00:44:0195 Dfu device->host: 10 ff 81 f1 02 00 25 16:00:44:0195 Dfu host->device: 10 ff 81 f1 03 00 00 16:00:44:0197 Dfu device->host: 10 ff 81 f1 03 aa aa 16:00:44:0197 Dfu host->device: 10 ff 81 f1 04 00 00 16:00:44:0199 Dfu device->host: 10 ff 81 f1 04 02 15 16:00:44:0199 Dfu releasing interface 0x00 16:00:44:0200 Dfu releasing interface 0x01 16:00:44:0202 Dfu releasing interface 0x02 16:00:44:0324 Dfu closing device 16:00:44:0325 Fu emit added from unifying: usb:00:04:02:02 16:00:44:0325 Dfu device was not DFU capable 16:00:44:0325 As run FuPluginAltos:added{05e3:0608} 16:00:44:0325 As run FuPluginEbitdo:added{05e3:0608} 16:00:44:0325 As run FuPluginUnifying:added{05e3:0608} 16:00:44:0326 Dfu device was not DFU capable 16:00:44:0326 As run FuPluginAltos:added{17ef:3055} 16:00:44:0326 As run FuPluginEbitdo:added{17ef:3055} 16:00:44:0326 As run FuPluginUsb:added{17ef:3055} 16:00:44:0326 As run FuPluginUsb:get-string-desc 16:00:44:0329 Fu using eb61102d-6c67-5bfb-a310-726167e2abf7 for USB\VID_17EF&PID_3055 16:00:44:0329 Fu using e6d2afa3-d65f-5b02-9fb0-279612bf601b for USB\VID_17EF&PID_3055&REV_0109 16:00:44:0329 Fu ignoring add-delay as device usb:00:04:01:04 already pending 16:00:44:0329 As run FuPluginUnifying:added{17ef:3055} 16:00:44:0329 Dfu device was not DFU capable 16:00:44:0329 As run FuPluginAltos:added{17ef:1019} 16:00:44:0330 As run FuPluginEbitdo:added{17ef:1019} 16:00:44:0330 As run FuPluginUnifying:added{17ef:1019} 16:00:44:0330 Dfu device was not DFU capable 16:00:44:0330 As run FuPluginAltos:added{17ef:1018} 16:00:44:0330 As run FuPluginEbitdo:added{17ef:1018} 16:00:44:0330 As run FuPluginUnifying:added{17ef:1018} 16:00:44:0330 Dfu device was not DFU capable 16:00:44:0330 As run FuPluginAltos:added{1d6b:0002} 16:00:44:0330 As run FuPluginEbitdo:added{1d6b:0002} 16:00:44:0330 As run FuPluginUnifying:added{1d6b:0002} 16:00:44:0331 Fu performing coldplug_prepare() on dell 16:00:44:0428 Dell failed to run query 17/22 16:00:44:0428 Dell Failed to initialize SMI buffer 16:00:44:0428 Dell Unable to toggle TBT GPIO to 1 16:00:44:0428 Dell Failed to initialize SMI buffer 16:00:44:0428 Dell Unable to toggle MST hub GPIO to 1 16:00:44:0428 Fu sleeping for 2000ms 16:00:46:0429 As run FuMain:coldplug 16:00:46:0429 As run FuMain:coldplug{altos} 16:00:46:0429 As run FuMain:coldplug{dfu} 16:00:46:0429 As run FuMain:coldplug{ebitdo} 16:00:46:0430 As run FuMain:coldplug{usb} 16:00:46:0430 As run FuMain:coldplug{udev} 16:00:46:0430 Fu performing coldplug() on udev 16:00:46:0430 As run FuPluginUdev:coldplug{usb} 16:00:46:0446 As run FuPluginUdev:coldplug{pci} 16:00:46:0448 As run FuPluginUdev:client-add{0x8086:0x1916} 16:00:46:0448 Udev adding udev device: /sys/devices/pci0000:00/0000:00:02.0 16:00:46:0448 Fu using a3361e1f-f523-5cfc-ad68-e20d0f792003 for 0x8086:0x1916 16:00:46:0448 Fu waiting a small time for other plugins 16:00:46:0449 As run FuMain:coldplug{synapticsmst} 16:00:46:0449 Fu performing coldplug() on synapticsmst 16:00:46:0716 SynapticsMST No device found on drm_dp_aux1 16:00:46:0717 SynapticsMST Adding direct device MST-DIRECT-drm_dp_aux2-0-0 16:00:46:0720 SynapticsMST Unknown board_id 204 16:00:46:0720 SynapticsMST invalid GUID for board ID ff Segmentation fault (core dumped)