MichaelDeswert, thank you for reporting this and helping make Ubuntu better. This bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please provide the information following https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume ? As well, can you try with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ . However, note you can only test Suspend, not Hibernate, when using a LiveCD. If the issue remains, run the following command in the development release from a Terminal (Applications->Accessories->Terminal) as it will automatically gather and attach updated debug information to this report.
apport-collect -p linux <BUGNUMBER> Additionally, if you could try to reproduce this with the upstream mainline kernel that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs- upstream-testing' text. 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'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Please let us know your results. Thanks in advance. ** Description changed: - Ubuntu version 11.04 + Ubuntu version 11.04 2.6.38-10-generic #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux Everytime I resume from suspend the CPU is stuck on the lowest frequency. Even when putting heavy load on the CPU it remains on 800Mhz. After a reboot it works normal again. This is an issue on 2 dell latitude e6420's. Changing the CPU governor to something else like conservative or performance after a suspend makes the CPU scale back again to other frequency steps. However putting it on ondemand again it is stuck again. - This seems to be the same issue as - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/138465 which has - been closed. cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpuf...@vger.kernel.org, please. analyzing CPU 0: - driver: acpi-cpufreq - CPUs which run at the same hardware frequency: 0 1 2 3 - CPUs which need to have their frequency coordinated by software: 0 - maximum transition latency: 10.0 us. - hardware limits: 800 MHz - 2.70 GHz - available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz - available cpufreq governors: conservative, ondemand, userspace, powersave, performance - current policy: frequency should be within 800 MHz and 2.70 GHz. - The governor "ondemand" may decide which speed to use - within this range. - current CPU frequency is 800 MHz. - cpufreq stats: 2.70 GHz:5.05%, 2.70 GHz:0.29%, 2.20 GHz:0.12%, 2.00 GHz:0.11%, 1.80 GHz:0.12%, 1.60 GHz:0.15%, 1.40 GHz:0.19%, 1.20 GHz:0.28%, 1000 MHz:0.38%, 800 MHz:93.30% (14750) + driver: acpi-cpufreq + CPUs which run at the same hardware frequency: 0 1 2 3 + CPUs which need to have their frequency coordinated by software: 0 + maximum transition latency: 10.0 us. + hardware limits: 800 MHz - 2.70 GHz + available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz + available cpufreq governors: conservative, ondemand, userspace, powersave, performance + current policy: frequency should be within 800 MHz and 2.70 GHz. + The governor "ondemand" may decide which speed to use + within this range. + current CPU frequency is 800 MHz. + cpufreq stats: 2.70 GHz:5.05%, 2.70 GHz:0.29%, 2.20 GHz:0.12%, 2.00 GHz:0.11%, 1.80 GHz:0.12%, 1.60 GHz:0.15%, 1.40 GHz:0.19%, 1.20 GHz:0.28%, 1000 MHz:0.38%, 800 MHz:93.30% (14750) analyzing CPU 1: - driver: acpi-cpufreq - CPUs which run at the same hardware frequency: 0 1 2 3 - CPUs which need to have their frequency coordinated by software: 1 - maximum transition latency: 10.0 us. - hardware limits: 800 MHz - 2.70 GHz - available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz - available cpufreq governors: conservative, ondemand, userspace, powersave, performance - current policy: frequency should be within 800 MHz and 2.70 GHz. - The governor "ondemand" may decide which speed to use - within this range. - current CPU frequency is 800 MHz. - cpufreq stats: 2.70 GHz:3.51%, 2.70 GHz:0.10%, 2.20 GHz:0.04%, 2.00 GHz:0.05%, 1.80 GHz:0.03%, 1.60 GHz:0.04%, 1.40 GHz:0.04%, 1.20 GHz:0.06%, 1000 MHz:0.11%, 800 MHz:96.03% (2927) + driver: acpi-cpufreq + CPUs which run at the same hardware frequency: 0 1 2 3 + CPUs which need to have their frequency coordinated by software: 1 + maximum transition latency: 10.0 us. + hardware limits: 800 MHz - 2.70 GHz + available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz + available cpufreq governors: conservative, ondemand, userspace, powersave, performance + current policy: frequency should be within 800 MHz and 2.70 GHz. + The governor "ondemand" may decide which speed to use + within this range. + current CPU frequency is 800 MHz. + cpufreq stats: 2.70 GHz:3.51%, 2.70 GHz:0.10%, 2.20 GHz:0.04%, 2.00 GHz:0.05%, 1.80 GHz:0.03%, 1.60 GHz:0.04%, 1.40 GHz:0.04%, 1.20 GHz:0.06%, 1000 MHz:0.11%, 800 MHz:96.03% (2927) analyzing CPU 2: - driver: acpi-cpufreq - CPUs which run at the same hardware frequency: 0 1 2 3 - CPUs which need to have their frequency coordinated by software: 2 - maximum transition latency: 10.0 us. - hardware limits: 800 MHz - 2.70 GHz - available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz - available cpufreq governors: conservative, ondemand, userspace, powersave, performance - current policy: frequency should be within 800 MHz and 2.70 GHz. - The governor "ondemand" may decide which speed to use - within this range. - current CPU frequency is 800 MHz. - cpufreq stats: 2.70 GHz:6.10%, 2.70 GHz:0.24%, 2.20 GHz:0.11%, 2.00 GHz:0.08%, 1.80 GHz:0.14%, 1.60 GHz:0.12%, 1.40 GHz:0.20%, 1.20 GHz:0.23%, 1000 MHz:0.29%, 800 MHz:92.48% (10590) + driver: acpi-cpufreq + CPUs which run at the same hardware frequency: 0 1 2 3 + CPUs which need to have their frequency coordinated by software: 2 + maximum transition latency: 10.0 us. + hardware limits: 800 MHz - 2.70 GHz + available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz + available cpufreq governors: conservative, ondemand, userspace, powersave, performance + current policy: frequency should be within 800 MHz and 2.70 GHz. + The governor "ondemand" may decide which speed to use + within this range. + current CPU frequency is 800 MHz. + cpufreq stats: 2.70 GHz:6.10%, 2.70 GHz:0.24%, 2.20 GHz:0.11%, 2.00 GHz:0.08%, 1.80 GHz:0.14%, 1.60 GHz:0.12%, 1.40 GHz:0.20%, 1.20 GHz:0.23%, 1000 MHz:0.29%, 800 MHz:92.48% (10590) analyzing CPU 3: - driver: acpi-cpufreq - CPUs which run at the same hardware frequency: 0 1 2 3 - CPUs which need to have their frequency coordinated by software: 3 - maximum transition latency: 10.0 us. - hardware limits: 800 MHz - 2.70 GHz - available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz - available cpufreq governors: conservative, ondemand, userspace, powersave, performance - current policy: frequency should be within 800 MHz and 2.70 GHz. - The governor "ondemand" may decide which speed to use - within this range. - current CPU frequency is 800 MHz. - cpufreq stats: 2.70 GHz:3.11%, 2.70 GHz:0.11%, 2.20 GHz:0.01%, 2.00 GHz:0.02%, 1.80 GHz:0.03%, 1.60 GHz:0.02%, 1.40 GHz:0.04%, 1.20 GHz:0.04%, 1000 MHz:0.07%, 800 MHz:96.56% (2184) + driver: acpi-cpufreq + CPUs which run at the same hardware frequency: 0 1 2 3 + CPUs which need to have their frequency coordinated by software: 3 + maximum transition latency: 10.0 us. + hardware limits: 800 MHz - 2.70 GHz + available frequency steps: 2.70 GHz, 2.70 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz + available cpufreq governors: conservative, ondemand, userspace, powersave, performance + current policy: frequency should be within 800 MHz and 2.70 GHz. + The governor "ondemand" may decide which speed to use + within this range. + current CPU frequency is 800 MHz. + cpufreq stats: 2.70 GHz:3.11%, 2.70 GHz:0.11%, 2.20 GHz:0.01%, 2.00 GHz:0.02%, 1.80 GHz:0.03%, 1.60 GHz:0.02%, 1.40 GHz:0.04%, 1.20 GHz:0.04%, 1000 MHz:0.07%, 800 MHz:96.56% (2184) ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: linux-image-2.6.38-10-generic 2.6.38-10.46 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: michael 1770 F.... pulseaudio - /dev/snd/pcmC0D0p: michael 1770 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: michael 1770 F.... pulseaudio + /dev/snd/pcmC0D0p: michael 1770 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: - Card hw:0 'PCH'/'HDA Intel PCH at 0xe6760000 irq 46' - Mixer name : 'IDT 92HD90BXX' - Components : 'HDA:111d76e7,10280494,00100102' - Controls : 15 - Simple ctrls : 10 + Card hw:0 'PCH'/'HDA Intel PCH at 0xe6760000 irq 46' + Mixer name : 'IDT 92HD90BXX' + Components : 'HDA:111d76e7,10280494,00100102' + Controls : 15 + Simple ctrls : 10 Card1.Amixer.info: - Card hw:1 'NVidia'/'HDA NVidia at 0xe5080000 irq 17' - Mixer name : 'Nvidia GPU 1c HDMI/DP' - Components : 'HDA:10de001c,10280494,00100100' - Controls : 4 - Simple ctrls : 1 + Card hw:1 'NVidia'/'HDA NVidia at 0xe5080000 irq 17' + Mixer name : 'Nvidia GPU 1c HDMI/DP' + Components : 'HDA:10de001c,10280494,00100100' + Controls : 4 + Simple ctrls : 1 Card1.Amixer.values: - Simple mixer control 'IEC958',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] Date: Wed Aug 17 11:06:58 2011 EcryptfsInUse: Yes InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) MachineType: Dell Inc. Latitude E6520 ProcEnviron: - LANGUAGE=en_US:en - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_US:en + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-10-generic root=UUID=1bd3d056-b3ec-45f7-8f71-f81b07b0acc3 ro quiet splash reboot=pci vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-2.6.38-10-generic N/A - linux-backports-modules-2.6.38-10-generic N/A - linux-firmware 1.52 + linux-restricted-modules-2.6.38-10-generic N/A + linux-backports-modules-2.6.38-10-generic N/A + linux-firmware 1.52 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) WifiSyslog: - Aug 17 09:32:15 michael-Laptop kernel: [ 768.539919] operapluginwrap[2389]: segfault at 0 ip (null) sp 00000000fff8cb5c error 14 in operapluginwrapper-ia32-linux[8048000+2f000] - Aug 17 10:06:41 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/tun0, iface: tun0) - Aug 17 10:06:41 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/tun0, iface: tun0): no ifupdown configuration found. - Aug 17 10:07:08 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/tun0, iface: tun0) + Aug 17 09:32:15 michael-Laptop kernel: [ 768.539919] operapluginwrap[2389]: segfault at 0 ip (null) sp 00000000fff8cb5c error 14 in operapluginwrapper-ia32-linux[8048000+2f000] + Aug 17 10:06:41 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/tun0, iface: tun0) + Aug 17 10:06:41 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/tun0, iface: tun0): no ifupdown configuration found. + Aug 17 10:07:08 michael-Laptop NetworkManager[715]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/tun0, iface: tun0) dmi.bios.date: 04/25/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A03 dmi.board.name: 0J4TFW dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA03:bd04/25/2011:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0J4TFW:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6520 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. ** Tags added: needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/827888 Title: CPU stuck at powersave(800Mhz) frequency after suspend (Dell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/827888/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
