** Description changed: Ubuntu freeze short time after start. The system started freezing after updating. I reinstalled 20.04.3 and it was still freezing. I've installed a fedora 34 and the same thing happens. If I install 20.04.1 without updating then the system is working. When I boot into kernel 5.4 recovery, and boot to the desktop from there, it works. But when I only select kernel 5.4 it also freezes. + + H/W path Device Class Description + =============================================================== + system 20KGS61900 (LENOVO_MT_20KG_BU_Think_FM_ThinkPad X1 Carbon 6th) + /0 bus 20KGS61900 + /0/3 memory 16GiB System Memory + /0/3/0 memory 8GiB Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0,5 ns) + /0/3/1 memory 8GiB Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0,5 ns) + /0/7 memory 256KiB L1 cache + /0/8 memory 1MiB L2 cache + /0/9 memory 8MiB L3 cache + /0/a processor Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz + /0/b memory 128KiB BIOS + /0/100 bridge Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers + /0/100/2 /dev/fb0 display UHD Graphics 620 + /0/100/4 generic Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem + /0/100/8 generic Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model + /0/100/14 bus Sunrise Point-LP USB 3.0 xHCI Controller + /0/100/14/0 usb1 bus xHCI Host Controller + /0/100/14/0/7 communication Bluetooth wireless interface + /0/100/14/0/8 multimedia Integrated Camera + /0/100/14/0/9 generic Generic USB device + /0/100/14/1 usb2 bus xHCI Host Controller + /0/100/14.2 generic Sunrise Point-LP Thermal subsystem + /0/100/16 communication Sunrise Point-LP CSME HECI #1 + /0/100/1c bridge Sunrise Point-LP PCI Express Root Port #1 + /0/100/1c/0 wlp2s0 network Wireless 8265 / 8275 + /0/100/1c.4 bridge Sunrise Point-LP PCI Express Root Port #5 + /0/100/1c.4/0 storage Silicon Motion, Inc. + /0/100/1c.4/0/0 /dev/nvme0 storage SSDPR-PX500-512-80 + /0/100/1c.4/0/0/1 /dev/nvme0n1 disk 512GB NVMe namespace + /0/100/1c.4/0/0/1/1 volume 975MiB Windows FAT volume + /0/100/1c.4/0/0/1/2 /dev/nvme0n1p2 volume 47GiB EXT4 volume + /0/100/1c.4/0/0/1/3 /dev/nvme0n1p3 volume 428GiB EXT4 volume + /0/100/1d bridge Sunrise Point-LP PCI Express Root Port #9 + /0/100/1f bridge Sunrise Point LPC Controller/eSPI Controller + /0/100/1f.2 memory Memory controller + /0/100/1f.3 multimedia Sunrise Point-LP HD Audio + /0/100/1f.4 bus Sunrise Point-LP SMBus + /0/0 system PnP device PNP0c02 + /0/1 system PnP device PNP0c02 + /0/2 system PnP device PNP0c02 + /0/4 system PnP device PNP0c02 + /0/5 system PnP device PNP0b00 + /0/6 generic PnP device INT3f0d + /0/c generic PnP device LEN0071 + /0/d generic PnP device LEN0091 + /0/e system PnP device PNP0c02 + /0/f system PnP device PNP0c02 + /0/10 system PnP device PNP0c02 + /0/11 system PnP device PNP0c01 + /1 power 01AV494
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