Please dump the problematic cpu/ram chip model numbers to help other users. These chip manufacturer numbers is not really personally identifiable information, as they are shared between hundreds of thousands of products.
The classic cpu-z for Windows users is here if you don't run *nix:
>X-ray vision like Superman I gather... nice... ;)
That snarkyness is uncalled for. I repasted the laptop, ran benchmarks and checked the temperature sensors plus used my FLIR. It's no thermal issues. It's just AMD iGPU driver buggyness.
Processors Information
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Socket 1 ID = 0
Number of cores 8 (max 8)
Number of threads 16 (max 16)
Secondary bus # 0
Number of CCDs 1
Manufacturer AuthenticAMD
Name AMD Ryzen 7 7840HS
Codename Phoenix
Specification AMD Ryzen 7 7840HS with Radeon 780M Graphics
Package Socket FP7
CPUID F.4.1
Extended CPUID 19.74
Core Stepping PHX-A1
Technology 4 nm
TDP Limit 54.0 Watts
Tjmax 90.0 °C
Core Speed 2761.5 MHz
Multiplier x Bus Speed 27.71 x 99.6 MHz
Base frequency (cores) 99.6 MHz
Base frequency (mem.) 99.6 MHz
Instructions sets MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, x86-64, AES, AVX, AVX2, AVX512 (DQ, BW, VL, CD, IFMA, VBMI, VBMI2, VNNI, BITALG, VPOPCNTDQ, BF16), FMA3, SHA
Microcode Revision 0xA704104
L1 Data cache 8 x 32 KB (8-way, 64-byte line)
L1 Instruction cache 8 x 32 KB (8-way, 64-byte line)
L2 cache 8 x 1024 KB (8-way, 64-byte line)
L3 cache 16 MB (16-way, 64-byte line)
Preferred cores 2 (#1, #3)
Max CPUID level 0000000Dh
Max CPUID ext. level 80000026h
FID/VID Control yes
# of P-States 3
P-State FID 0x898 - VID 0xBF (38.00x - 1.194 V)
P-State FID 0x858 - VID 0xAB (22.00x - 1.069 V)
P-State FID 0xA50 - VID 0x97 (16.00x - 0.944 V)
PStateReg 0x80000000-0x49AFC898
PStateReg 0x80000000-0x45AAC858
PStateReg 0x80000000-0x4425CA50
PStateReg 0x00000000-0x00000000
PStateReg 0x00000000-0x00000000
PStateReg 0x00000000-0x00000000
PStateReg 0x00000000-0x00000000
PStateReg 0x00000000-0x00000000
Package Type 0x4
Model 00
String 1 0x0
String 2 0x0
Page 0x0
Power Unit 0.0
SMU Version 76.73.00
TDP/TJMAX 0x36005A
TCTL Offset 0x0
PMTV 004C0008
Package Power Tracking (PPT) 54.0 W (current)
Package Power Limit #1 (long) 35.0 W
Package Power Limit #2 (short) 25.0 W
DMI Physical Memory Array
location Motherboard
usage System Memory
correction None
max capacity 64 GB
max# of devices 4
DMI Memory Device
designation DIMM 0
format Row of chips
type LPDDR5
total width 32 bits
data width 32 bits
size 8 GB
speed 6400 MHz
manufacturer Micron Technology
part number MT62F2G32D4DS-026 WT
serial number 00000000
voltage 0.500000
manufacturer id 0x2C80
product id 0x0
Display adapter 0 (primary)
ID 0x2180003
Name AMD RadeonT 780M
Board Manufacturer Lenovo
Codename Phoenix
Cores 768
ROP Units 16
Technology 4 nm
Memory size 1024 MB
Current Link Width x16
Current Link Speed 16.0 GT/s
PCI device bus 99 (0x63), device 0 (0x0), function 0 (0x0)
Vendor ID 0x1002 (0x17AA)
Model ID 0x15BF (0x3819)
Revision ID 0xC7
Root device bus 0 (0x0), device 8 (0x8), function 1 (0x1)
Performance Level Current
Core clock 800.0 MHz
Shader clock 400.0 MHz
Memory clock 800.0 MHz
Driver version 32.0.11021.1011
WDDM Model 3.1
People use special x-ray machines to inspect the BGA solder bonds to the PCB underneath chips. These chips may also be additionally glued down to the PCB on higher end equipment (impossible to visually inspect.)
Note BGA chips were never initially intended to be larger than 20mm wide, and can still put enormous shear forces on the contact bonds as the solder solidifies post re-flow (and the bimetallic cantilever PCBs form start to pop-back.) A certain percentage of products will thus fail when they warm up as the PCB will locally heat/warp the area again, and foobar a few random connections in the process. A low-heat paint-stripper heat-blower might be able to replicate the crash to eliminate this theory, and you might be able to RMA the board/chips if you are still under warrantee.
Could indeed also just be software as some suspect, but that is a lot harder to find in kernel drivers.
It is hard to read peoples emotions online, but do assume if someone is reaching out to help they probably think you are worth respecting too.
Thanks for posting data other users may find useful, and have a wonderful day. =3
No, it's not a solder/BGA issue because RAM/CPU/GPU stress benchmarks would cause some instabilities but that's never the case. The instability only manifests when running video decode tasks(watching youtube) in the browser and browsing websites in paralel, meaning it's 99% sure a iGPU driver issue.
