[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
** Tags added: cscc -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in Linux: Incomplete Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Launchpad has imported 40 comments from the remote bug at https://bugzilla.kernel.org/show_bug.cgi?id=189291. If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. On 2016-11-29T01:47:43+00:00 sntmail wrote: Created attachment 246061 cpuinfo My laptop is very slow at current kernels. The frequency stucks at 800 MHz. Latest kernel which is ok is 4.1.x (4.2 has a backlight problem). acpi=noirq solves the problem but adds other problems... Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/12 On 2016-11-29T01:48:12+00:00 sntmail wrote: Created attachment 246071 lspci Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/13 On 2016-11-29T01:48:52+00:00 sntmail wrote: Created attachment 246081 dmesg for 4.1.6 kernel Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/14 On 2016-11-29T01:49:46+00:00 sntmail wrote: Created attachment 246091 dmesg for 4.8.10 kernel Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/15 On 2016-11-29T01:50:37+00:00 sntmail wrote: Created attachment 246101 dmesg for 4.8.10 kernel with acpi=noirq Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/16 On 2016-12-05T23:30:12+00:00 lenb wrote: acpi=noirq puts the system into PIC mode, while ACPI is able to put it in IOAPIC mode. Unclear why this has any effect on the problem at hand. Do you get the same result with simply "noapic"? In both cases, powernow_k8 seems to load and print the same messages. In the working and non-working cases, what do you see with grep . /sys/devices/system/cpu/cpu0/cpufreq/* What is the latest working kernel, and what is the first failing kernel? Can you git-bisect to what commit caused this to break? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/18 On 2016-12-08T23:45:00+00:00 sntmail wrote: acpi=noapic doesn't help this. I think the regression was made in 4.2.x or 4.3.x (4.2.x kernels have a backlight issue on my laptop, so I use 4.1.x) Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/26 On 2016-12-08T23:47:36+00:00 sntmail wrote: Created attachment 247171 grep . /sys/devices/system/cpu/cpu0/cpufreq/* for 4.1.6 (ok) Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/27 On 2016-12-08T23:48:31+00:00 sntmail wrote: Created attachment 247181 grep . /sys/devices/system/cpu/cpu0/cpufreq/* for 4.8.12 (bug) Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/28 On 2016-12-09T00:13:08+00:00 sntmail wrote: btw, seems the same bug was described here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/29 On 2017-01-09T07:45:06+00:00 rui.zhang wrote: (In reply to cthx from comment #6) > acpi=noapic doesn't help this. > > I think the regression was made in 4.2.x or 4.3.x (4.2.x kernels have a > backlight issue on my laptop, so I use 4.1.x) what do you mean by backlight issue? If the platform is still alive, please run git-bisect to find out which commit introduces the problem. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/comments/31 On 2017-01-11T02:47:23+00:00 rui.zhang wrote: this is only one functional change in powernow-k8 driver since 4.1 commit 38c52e6343f0e28abc7daf15cbbcd7e450667202 Author: Bartosz Golaszewski Date: Tue May 26 15:11:31 2015 +0200 powernow-k8: Replace cpu_core_mask() with topology_core_cpumask() The former duplicates the functionality of the latter but is neither documented nor arch-independent. Signed-off-by: Bartosz Golaszewski Acked-by: Viresh Kumar Acked-by: Rafael J. Wysocki Cc: Benoit Cousson Cc: Catalin Marinas Cc: Fenghua Yu Cc: Guenter Roeck Cc: Jean Delvare Cc: Jonathan Corbet
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Upstream: Linux 4.14: BAD Linux 4.16: GOOD I did not bisect to find out which CL fixed the bug. -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in Linux: Unknown Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Thanks for all the work everyone put into developing this, Vladimir in particular. The acpi=noirq work around is working here. I wanted to add, along with the scaling and the reboot fail issues, I also was not able to run ubiquity. The installer would crash giving me freedesktop.org errors. I installed xfce4-power-manger to the live environment and was able to use ubiquity and install the system from there, booting to the 800mhz scaling limit. Thanks all. With alcohol you get all the confidence and none of the competence. -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in Linux: Unknown Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
** Also affects: linux via http://bugzilla.kernel.org/show_bug.cgi?id=189291 Importance: Unknown Status: Unknown -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in Linux: Unknown Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
I didn't try to send the patches upstream. I was hoping that someone who already knows how to do that would pick it up. I just searched the kernel bug database for this issue and found https://bugzilla.kernel.org/show_bug.cgi?id=189291 . In comment #9, cthx posted a link to this bug on 9 Dec, i.e. after I have already posted the bisect results and patches. I guess people don't bother following links, I'll have to post there directly. ** Bug watch added: Linux Kernel Bug Tracker #189291 http://bugzilla.kernel.org/show_bug.cgi?id=189291 -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Thank you for providing a patch, and making Ubuntu better. Can you provide some information on the status of the patch with regards to getting it merged upstream? Has it been sent upstream, what sort of feedback has it received, is it getting applied to a subsystem maintainer's tree, etc? -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Sorry, I missed the request in comment #17 to add the tag kernel-bug- exists-upstream. Done now. ** Tags added: kernel-bug-exists-upstream -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Changed in: linux-lts-xenial (Ubuntu) Status: Incomplete => Confirmed -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Both patches apply cleanly to the 4.9-rc8 but I cannot build the kernel with the configuration /boot/config-4.9.0-040900rc8-generic on my laptop without upgrading the compiler: Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong not supported by compiler -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Confirmed Status in linux-lts-xenial package in Ubuntu: Confirmed Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Installed linux-headers-4.9.0-040900rc8_4.9.0-040900rc8.201612051443_all.deb linux-headers-4.9.0-040900rc8-generic_4.9.0-040900rc8.201612051443_amd64.deb linux-image-4.9.0-040900rc8-generic_4.9.0-040900rc8.201612051443_amd64.deb Laptop boots, bug still present: $ uname -r 4.9.0-040900rc8-generic $ cat /sys/devices/virtual/thermal/thermal_zone0/trip_point_*_temp 105000 15900 15900 15900 15900 15900 $ cpufreq-info | grep -E 'policy|steps' available frequency steps: 1.60 GHz, 800 MHz current policy: frequency should be within 800 MHz and 800 MHz. available frequency steps: 1.60 GHz, 800 MHz current policy: frequency should be within 800 MHz and 800 MHz. -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Incomplete Status in linux-lts-xenial package in Ubuntu: Incomplete Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+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
[Kernel-packages] [Bug 1598312] Re: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.9 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9-rc8 ** Tags added: kernel-da-key ** Package changed: linux-lts-wily (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux-lts-xenial (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Changed in: linux-lts-xenial (Ubuntu) Status: Confirmed => Incomplete -- 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/1598312 Title: Cannot scale AMD Turion CPU frequency. It runs on lowest 800MHz Status in linux package in Ubuntu: Incomplete Status in linux-lts-xenial package in Ubuntu: Incomplete Bug description: http://askubuntu.com/questions/789096/cant-scale-frequencies-of-amd- turion-cpu-it-always-jumps-to-lowest The CPU does not scale frequency on kernel "4.2.0-41-generic #48~14.04.1-Ubuntu SMP Fri Jun 24 17:09:15". The notebook behaves very slow despite on Windows Vista it works great. Cpufreq-info program shows that there is a limit on the frequency setting between 800MHz and 800MHz. I tried to impose the frequency by setting the "performance policy" or by setting the limit in /etc/default/cpufrequency, but it does not work. Next I tried to check the BIOS limits, because there are some suggestions that some battery/power supply problems could cause the BIOS to set the limits on CPU freq but it is not there. The CPU freq scaling works good on 'linux-image-4.1.26-040126-generic' kernel. It does not work on this kernel "4.2.0-41-generic" and "linux- headers-4.2.0-38-generic". The current workaround is to switch off the ACPI by "acpi=off" boot parameter. Using this setting the CPU frequency scaling works but it makes the system single CPU core only. Hardware: HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver. I've heard some posts that on others HP notebooks there are similar problems with the freq scaling. $ cpufreq-info cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) analyzing CPU 1: driver: powernow-k8 CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 1 maximum transition latency: 109 us. hardware limits: 800 MHz - 1.90 GHz available frequency steps: 1.90 GHz, 1.80 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 800 MHz and 800 MHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 800 MHz. cpufreq stats: 1.90 GHz:0,07%, 1.80 GHz:0,00%, 1.60 GHz:0,00%, 800 MHz:99,93% (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-41-generic 4.2.0-41.48~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-41.48~14.04.1-generic 4.2.8-ckt11 Uname: Linux 4.2.0-41-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CurrentDesktop: KDE Date: Fri Jul 1 23:49:34 2016 InstallationDate: Installed on 2016-04-08 (83 days ago) InstallationMedia: Kubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) SourcePackage: linux-lts-wily UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598312/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe
