Here is the start of the messages, this from syslog. The first such messages
Nov 6 19:20:01 Dseti3 CRON[18475]: (root) CMD (if [ -x /etc/munin/plugins/apt_all ]; then munin-run apt_all update 7200 12 >/dev/null; elif [ -x /etc/munin/plugins/apt ]; then munin-run apt update 7200 12 >/dev/null; fi) Nov 6 19:23:01 Dseti3 kernel: [129142.238696] [sched_delayed] sched: RT throttling activated Nov 6 19:23:59 Dseti3 kernel: [129200.218913] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context Nov 6 19:24:01 Dseti3 kernel: [129202.218438] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context The day before I got (from syslog.3.gz) a " soft lockup - CPU#19 stuck for 23s! [swapper/19:0]" in syslog. starting to look into this message now. -- 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/986831 Title: system freezes for some seconds: Attempted to yield the CPU while in atomic or interrupt context Status in “linux” package in Ubuntu: Incomplete Bug description: After the first freeze, dmesg showed: ... [194346.116070] NVRM: Xid (0000:01:00): 8, Channel 00000002 [194348.116026] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context [194350.117812] NVRM: Xid (0000:01:00): 9, Channel 00000020 Instance 00000000 Intr 00000080 After the second freeze, dmesg showed: ... [194346.116070] NVRM: Xid (0000:01:00): 8, Channel 00000002 [194348.116026] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context [194350.117812] NVRM: Xid (0000:01:00): 9, Channel 00000020 Instance 00000000 Intr 00000080 [194514.140070] NVRM: Xid (0000:01:00): 8, Channel 00000002 [194516.140030] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context [194518.141391] sched: RT throttling activated michael@quad:~$ cat /proc/version_signature Ubuntu 3.2.0-23.36-generic-pae 3.2.14 michael@quad:~$ lsb_release -rd Description: Ubuntu 12.04 LTS Release: 12.04 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-23-generic-pae 3.2.0-23.36 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14 Uname: Linux 3.2.0-23-generic-pae i686 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu5 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: michael 9506 F.... pulseaudio /dev/snd/controlC0: michael 9506 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf6ff8000 irq 44' Mixer name : 'Realtek ALC883' Components : 'HDA:10ec0883,1043829f,00100002' Controls : 46 Simple ctrls : 22 Card1.Amixer.info: Card hw:1 'UA101'/'EDIROL UA-101 (serial ZT82634), 192000 Hz at usb-0000:00:1a.7-3, high speed' Mixer name : '' Components : '' Controls : 1 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'MIDI Input Mode',0 Capabilities: enum Items: 'High Load' 'Light Load' Item0: 'Light Load' Card2.Amixer.info: Card hw:2 'CX8811'/'Conexant CX8811 at 0xfb000000' Mixer name : 'CX88' Components : '' Controls : 3 Simple ctrls : 2 Date: Sun Apr 22 13:55:17 2012 HibernationDevice: RESUME=UUID=dd8becab-8d85-4a0f-9840-3cd90d202035 IwConfig: lo no wireless extensions. eth0 no wireless extensions. MachineType: System manufacturer P5K ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US SHELL=/bin/bash ProcFB: ProcKernelCmdLine: root=UUID=4f6e10b1-9995-4249-a5e5-a9b20b72cace ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.2.0-23-generic-pae N/A linux-backports-modules-3.2.0-23-generic-pae N/A linux-firmware 1.79 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-04-18 (3 days ago) dmi.bios.date: 10/14/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1201 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5K dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1201:bd10/14/2008:svnSystemmanufacturer:pnP5K:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5K:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: P5K dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/986831/+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
