Bug 217703
Summary: | XPS 17 9730 runs significantly warmer on Kernel 6.5-rc3 compared to Kernel 6.4.3 | ||
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Product: | Linux | Reporter: | Goran (goran.brkuljan) |
Component: | Kernel | Assignee: | acpi_power-thermal |
Status: | RESOLVED UNREPRODUCIBLE | ||
Severity: | normal | CC: | bagasdotme, goran.brkuljan |
Priority: | P3 | ||
Hardware: | Intel | ||
OS: | Linux | ||
Kernel Version: | 6.5-rc3 | Subsystem: | |
Regression: | No | Bisected commit-id: |
Description
Goran
2023-07-25 11:30:24 UTC
(In reply to Goran from comment #0) > On my new XPS 17 9730 laptop, I recently installed the Kernel 6.5-rc3. I > noticed, however, that during its operation, the laptop was getting > significantly warmer than before. I did some analysis using the 'stress' > tool to measure and compare the difference in CPU temperatures between > Kernel 6.4.3 and Kernel 6.5-rc3. Here are my results: > > OS: Ubuntu 23.10 > CPU: i7-13700H > > kernel 6.4.3: > > > Initial CPU temperature: > coretemp-isa-0000 > Core 0: +47.0°C (high = +100.0°C, crit = +100.0°C) > Core 4: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 8: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 12: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 16: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 20: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 24: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 25: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 26: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 27: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 28: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 29: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 30: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 31: +45.0°C (high = +100.0°C, crit = +100.0°C) > Stressing CPU for 30 seconds... > stress: info: [4858] dispatching hogs: 14 cpu, 0 io, 0 vm, 0 hdd > stress: info: [4858] successful run completed in 30s > CPU temperature immediately after stress test: > coretemp-isa-0000 > Core 0: +67.0°C (high = +100.0°C, crit = +100.0°C) > Core 4: +76.0°C (high = +100.0°C, crit = +100.0°C) > Core 8: +69.0°C (high = +100.0°C, crit = +100.0°C) > Core 12: +77.0°C (high = +100.0°C, crit = +100.0°C) > Core 16: +69.0°C (high = +100.0°C, crit = +100.0°C) > Core 20: +76.0°C (high = +100.0°C, crit = +100.0°C) > Core 24: +68.0°C (high = +100.0°C, crit = +100.0°C) > Core 25: +68.0°C (high = +100.0°C, crit = +100.0°C) > Core 26: +68.0°C (high = +100.0°C, crit = +100.0°C) > Core 27: +68.0°C (high = +100.0°C, crit = +100.0°C) > Core 28: +71.0°C (high = +100.0°C, crit = +100.0°C) > Core 29: +71.0°C (high = +100.0°C, crit = +100.0°C) > Core 30: +71.0°C (high = +100.0°C, crit = +100.0°C) > Core 31: +71.0°C (high = +100.0°C, crit = +100.0°C) > Test ended at: Tue Jul 25 01:10:16 PM CEST 2023 > > > kernel 6.5-rc-3: > > Initial CPU temperature: > coretemp-isa-0000 > Core 0: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 4: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 8: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 12: +46.0°C (high = +100.0°C, crit = +100.0°C) > Core 16: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 20: +44.0°C (high = +100.0°C, crit = +100.0°C) > Core 24: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 25: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 26: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 27: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 28: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 29: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 30: +45.0°C (high = +100.0°C, crit = +100.0°C) > Core 31: +45.0°C (high = +100.0°C, crit = +100.0°C) > Stressing CPU for 30 seconds... > stress: info: [11146] dispatching hogs: 14 cpu, 0 io, 0 vm, 0 hdd > stress: info: [11146] successful run completed in 30s > CPU temperature immediately after stress test: > coretemp-isa-0000 > Core 0: +84.0°C (high = +100.0°C, crit = +100.0°C) > Core 4: +97.0°C (high = +100.0°C, crit = +100.0°C) > Core 8: +87.0°C (high = +100.0°C, crit = +100.0°C) > Core 12: +100.0°C (high = +100.0°C, crit = +100.0°C) > Core 16: +86.0°C (high = +100.0°C, crit = +100.0°C) > Core 20: +99.0°C (high = +100.0°C, crit = +100.0°C) > Core 24: +83.0°C (high = +100.0°C, crit = +100.0°C) > Core 25: +83.0°C (high = +100.0°C, crit = +100.0°C) > Core 26: +83.0°C (high = +100.0°C, crit = +100.0°C) > Core 27: +83.0°C (high = +100.0°C, crit = +100.0°C) > Core 28: +89.0°C (high = +100.0°C, crit = +100.0°C) > Core 29: +89.0°C (high = +100.0°C, crit = +100.0°C) > Core 30: +89.0°C (high = +100.0°C, crit = +100.0°C) > Core 31: +89.0°C (high = +100.0°C, crit = +100.0°C) > Test ended at: Tue Jul 25 01:05:42 PM CEST 2023 > > I tested few times with different setup and CPU temp on 6.5-rc3 is always > higher especially when stressing with fewer cores. Can you perform bisection between v6.4 and v6.5-rc3? Although on Tuesday I repeated test 10 times and I got different result, today, after reinstalled both kernels, I repeated 10 times again and I got similar results between both kernel versions. Now on both kernels, core20 spikes to +100.0°C and it stays there for the duration of the test. Other cores are going from 80-95°C. Note that I used the mainline kernel installer for handling installation. |