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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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment freeze system
--
Ubuntu 20.04 freeze
https://bugs.launchpad.net/bugs/1950086
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