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Groups > linux.debian.kernel > #81432
| From | Diederik de Haas <didi.debian@cknow.org> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module |
| Date | 2024-01-04 15:20 +0100 |
| Message-ID | <HSwJH-Kxm-1@gated-at.bofh.it> (permalink) |
| References | <HSsd3-Hdd-5@gated-at.bofh.it> <HSwgF-K5o-1@gated-at.bofh.it> <HSsd3-Hdd-5@gated-at.bofh.it> <HSwgF-K5o-1@gated-at.bofh.it> |
| Organization | Connecting Knowledge |
Cross-posted to 2 groups.
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On Thursday, 4 January 2024 14:34:10 CET Jy Deng wrote: > 3. I find that if CONFIG_CPU_FREQ_GOV_POWERSAVE=m, then though such > module cannot be in use after boot at once, but it is possible to > manually modprobe them. So it may indicate that to use > CONFIG_CPU_FREQ_GOV_POWERSAVE=m with CONFIG_MODULE_COMPRESS_XZ=y is > actually possible. The problem we find here may be not so fundamental. That's actually how it always worked. $ cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_governors likely only lists 'performance' and 'schedutil'. /lib/modules/$(uname -r)/kernel/drivers/cpufreq/ lists several more governors and when you modprobe them, they get added to 'scaling_available_governors'. And also to `cpupower frequency-info` -> 'available cpufreq governors'. So if you can verify whether it works with 'modprobe' then this is not a bug.
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Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module Luca Boccassi <bluca@debian.org> - 2024-01-04 12:40 +0100
Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module Jy Deng <1700011628@pku.edu.cn> - 2024-01-04 14:50 +0100
Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module Diederik de Haas <didi.debian@cknow.org> - 2024-01-04 15:20 +0100
Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module Jy Deng <1700011628@pku.edu.cn> - 2024-01-04 16:00 +0100
Bug#1059969: linux-image-6.6.9-amd64: CONFIG_MODULE_COMPRESS_XZ=y breaks cpu frequency scaling governor kernel module Jy Deng <1700011628@pku.edu.cn> - 2024-01-04 16:50 +0100
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