at Mario: sorry, I don't understand question. How do I change power adapter state over the suspend sequence?
at AceLan: $ grep "" /sys/devices/system/cpu/cpufreq/policy*/cpuinfo_max_freq /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_max_freq:5293000 /sys/devices/system/cpu/cpufreq/policy10/cpuinfo_max_freq:6080000 /sys/devices/system/cpu/cpufreq/policy11/cpuinfo_max_freq:6080000 /sys/devices/system/cpu/cpufreq/policy12/cpuinfo_max_freq:5764000 /sys/devices/system/cpu/cpufreq/policy13/cpuinfo_max_freq:5764000 /sys/devices/system/cpu/cpufreq/policy14/cpuinfo_max_freq:5449000 /sys/devices/system/cpu/cpufreq/policy15/cpuinfo_max_freq:5449000 /sys/devices/system/cpu/cpufreq/policy1/cpuinfo_max_freq:5293000 /sys/devices/system/cpu/cpufreq/policy2/cpuinfo_max_freq:5137000 /sys/devices/system/cpu/cpufreq/policy3/cpuinfo_max_freq:5137000 /sys/devices/system/cpu/cpufreq/policy4/cpuinfo_max_freq:5608000 /sys/devices/system/cpu/cpufreq/policy5/cpuinfo_max_freq:5608000 /sys/devices/system/cpu/cpufreq/policy6/cpuinfo_max_freq:6080000 /sys/devices/system/cpu/cpufreq/policy7/cpuinfo_max_freq:6080000 /sys/devices/system/cpu/cpufreq/policy8/cpuinfo_max_freq:5924000 /sys/devices/system/cpu/cpufreq/policy9/cpuinfo_max_freq:5924000 > Only reboot can recover the issue Issue disappears when I plug power cable out of the laptop. CPU turn off does not have effect: $ sudo chcpu -d 1-15 && sudo chcpu -e 1-15 CPU 1 disabled CPU 2 disabled CPU 3 disabled CPU 4 disabled CPU 5 disabled CPU 6 disabled CPU 7 disabled CPU 8 disabled CPU 9 disabled CPU 10 disabled CPU 11 disabled CPU 12 disabled CPU 13 disabled CPU 14 disabled CPU 15 disabled CPU 1 enabled CPU 2 enabled CPU 3 enabled CPU 4 enabled CPU 5 enabled CPU 6 enabled CPU 7 enabled CPU 8 enabled CPU 9 enabled CPU 10 enabled CPU 11 enabled CPU 12 enabled CPU 13 enabled CPU 14 enabled CPU 15 enabled and processor frequency monitoring shows (comparing to description): CPU MHZ 0 543.9320 1 544.2400 2 544.2120 3 544.4260 4 543.9670 5 544.3680 6 544.2330 7 544.3450 8 544.4040 9 400.0000 10 544.4570 11 544.4160 12 400.0000 13 543.9950 14 544.0650 15 400.0000 when I plug out power cable, frequency immediately jumps up. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2088733 Title: low CPU frequency after wake up AMD Ryzen Status in linux package in Ubuntu: New Bug description: After wake up I can see at least once a week issue with CPU frequency not going up. When running: $ watch lscpu -e=CPU,MHZ standard output looks like: CPU MHZ 0 400.0000 1 1383.2480 2 400.0000 3 400.0000 4 400.0000 5 2699.7561 6 1288.0500 7 400.0000 8 400.0000 9 400.0000 10 400.0000 11 400.0000 12 3244.0720 13 400.0000 14 400.0000 15 1295.9050 while when the issue occurs, I can't see 600 Mhz or higher values in the same graph. Which also means that response time of computer is much lower and everything feels lazy. Restart fixes the issue or plug power cable off and in again. My CPU is AMD Ryzen™ 7 PRO 7840HS w/ Radeon™ 780M Graphics × 16 My kernel version: 6.8.0-48-generic #48-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 14:04:52 UTC 2024 OS version: Ubuntu 24.04.1 LTS My laptop: HP ZBook Firefly 14 inch G10 A Mobile Workstation PC I know about one more person with same machine type with the issue and there is also this question on askubuntu which says there is third person with this issue. https://askubuntu.com/questions/1531956/cpu-too-slow-after-waking-up- in-ubuntu-24-04-1 This bug looks pretty similar however should be fixed already, so creating new one https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.19/+bug/2007718 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2088733/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
