WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x78/0x90()

[Erik B. Andersen]

I get this bug multiple times a day running the maverick daily image. It looks like it might have to do with frequency scaling from the backtrace. My CPU is a Core 2 Quad Q6700 if that helps.

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.32
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: bjorn 1992 F.... pulseaudio
 /dev/snd/pcmC1D0c: bjorn 1992 F...m pulseaudio
 /dev/snd/controlC0: bjorn 1992 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdcff8000 irq 43'
   Mixer name : 'Realtek ALC662 rev1'
   Components : 'HDA:10ec0662,10438290,00100101'
   Controls : 34
   Simple ctrls : 18
Card1.Amixer.info:
 Card hw:1 'default'/'C-Media USB Audio Device at usb-0000:00:1d.7-6.2, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB0d8c:0008'
   Controls : 5
   Simple ctrls : 3
Date: Wed Sep 22 07:32:44 2010
Failure: oops
Frequency: Once a day.
HibernationDevice: RESUME=/dev/sda5
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100918)
MachineType: System manufacturer System Product Name
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=f733c338-186d-4f78-94ab-26ac7403f3bf ro quiet splash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x78/0x90()
WifiSyslog: Sep 22 10:04:25 bjorn-desktop kernel: [ 8534.763905] npviewer.bin[3387]: segfault at 0 ip 00000000f613b741 sp 00000000ffce5ca0 error 4 in libflashplayer.so[f5d9c000+b2c000]
dmi.bios.date: 03/03/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0903
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5B-VM SE
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.:bvr0903:bd03/03/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5B-VMSE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer