1 day old MBP, MASSIVE cpu usage when any USB device is plugged in?!?
I just purchased a brand new MBP 2.2
If I plug anything into any of the usb ports my CPU starts clocking and within 10 minutes my system is running it's fans at full speed trying to keep it cool. This can be with no activity AT ALL. I can simply plug a USB thumb drive in and watch as the system gets hotter and hotter!
Has anyone heard of this and is there a solution. I had planned on booting and external USB drive to run a separate OSX install but this makes that impossible. Any help is greatly appreciated.
Kalel
Sorry, it was just taking FOREVER to index my USB drives. One drive is only 120GB and after almost 6 hours it still has 4 hours remaining! For reference it indexed my Firewire drive in about 15 minutes.
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MacBook Pro 15-inch, 3,1, Core 2 Duo 2.2GHz, 6GB RAM, 500GB hard drive with about 300GB free.
Main hard drive is Hitachi HTS725050A9A364:
Capacity: 500.11 GB (500,107,862,016 bytes)
S.M.A.R.T. status: Verified
Boots up normally with no perpherals attached, but crashes the instant that anything is plugged into any USB port. Here are two kernel panic logs.
Anonymous UUID: BF74836E-B8BC-48E9-96CA-0BA9705D26A5
Fri Jun 24 01:01:36 2011
panic(cpu 1 caller 0x5054a6): "OSCollection::_RESERVEDOSCollection6 called."@/SourceCache/xnu/xnu-1504.15.3/libkern/c++/OSMetaClass.cpp:906
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x79abb9c8 : 0x21b837 (0x5dd7fc 0x79abb9fc 0x223ce1 0x0)
0x79abba18 : 0x5054a6 (0x5de36c 0x5def46 0x5def46 0x6)
0x79abba38 : 0x50834e (0x85f858 0x6 0x79abba78 0x507001)
0x79abba58 : 0x9bb59b (0xb983400 0x0 0x24 0xb99ecc0)
0x79abbab8 : 0x9bb9c2 (0xbaa5e00 0xb99ecc0 0x2 0x9bb9e6)
0x79abbaf8 : 0x987720 (0xbaa5e00 0xb96c500 0x79abbb28 0x0)
0x79abbb48 : 0x543f60 (0xbaa5e00 0xb96c500 0x1 0x506b76)
0x79abbba8 : 0x542137 (0xb96c500 0xbaa5e00 0xb94c3e0 0xb94cba0)
0x79abbc58 : 0x5426e9 (0xb96c500 0xaf0d300 0x0 0xffffffff)
0x79abbca8 : 0x5439b9 (0xb96c500 0x0 0x79abbcd8 0xaebbc20)
0x79abbce8 : 0x542d91 (0xb96c500 0x0 0x79abbd18 0x85f8f8)
0x79abbd28 : 0x984441 (0xb96c500 0x0 0xba45ac0 0xba3d580)
0x79abbd48 : 0x97ce86 (0xb96c500 0xb983000 0x0 0x79abbda8)
0x79abbd88 : 0x9b6d8a (0xb983000 0xaf57200 0x0 0xba478c0)
0x79abbe18 : 0x543f60 (0xb983000 0xaf57200 0x1 0x506b76)
0x79abbe78 : 0x542137 (0xaf57200 0xb983000 0xba47820 0xba4d960)
0x79abbf28 : 0x5426e9 (0xaf57200 0xb8cfc40 0x0 0x516766)
0x79abbf78 : 0x5443d5 (0xaf57200 0x8 0x79abbfac 0x1)
0x79abbfc8 : 0x2a179c (0xba2a0c0 0x0 0x34324e5a 0x48414f49)
Kernel Extensions in backtrace (with dependencies):
com.Mouse.driver.MouseSetting(1.0.1)@0x9ba000->0x9c1fff
dependency: com.apple.iokit.IOUSBFamily(4.2.4)@0x941000
dependency: com.apple.iokit.IOUSBHIDDriver(4.2.0)@0x9b3000
dependency: com.apple.iokit.IOHIDFamily(1.6.6)@0x977000
dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x92a000
com.apple.iokit.IOUSBHIDDriver(4.2.0)@0x9b3000->0x9b9fff
dependency: com.apple.iokit.IOHIDFamily(1.6.6)@0x977000
dependency: com.apple.iokit.IOUSBFamily(4.2.4)@0x941000
com.apple.iokit.IOHIDFamily(1.6.6)@0x977000->0x9b2fff
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K540
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro3,1 (Mac-F4238BC8)
System uptime in nanoseconds: 29865026156
unloaded kexts:
(none)
loaded kexts:
com.Cycling74.driver.Soundflower 1.5.2
com.rogueamoeba.HermesAudio 3.0.2
com.digidesign.iokit.DigiDal 8.0.3f1
com.Mouse.driver.MouseSetting 1.0.1
com.apple.driver.AppleUpstreamUserClient 3.5.7 - last loaded 29000861372
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.AppleHDA 2.0.5f13
com.apple.driver.InternalModemSupport 2.6.2
com.apple.GeForce 6.3.6
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.driver.AudioAUUC 1.57
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AirPort.Atheros 411.19.4
com.apple.driver.AirPort.Atheros21 425.14.7
com.apple.driver.AppleIntelYonahProfile 14
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.driver.AppleIntelNehalemProfile 11
com.apple.driver.AppleIntelMeromProfile 19
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleGraphicsControl 2.10.6
com.apple.driver.AppleBacklight 170.0.46
com.apple.kext.AppleSMCLMU 1.5.2d10
com.apple.driver.AppleUSBTrackpad 201.6
com.apple.driver.AppleUSBTCKeyEventDriver 201.6
com.apple.driver.AppleUSBTCKeyboard 201.6
com.apple.driver.AppleIRController 303.8
com.apple.driver.CSRHIDTransitionDriver 2.4.5f3
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.iokit.AppleYukon2 3.2.1b1
com.apple.driver.AppleUSBHub 4.2.4
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleIntelPIIXATA 2.5.1
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleUSBUHCI 4.2.0
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.12
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.driver.DspFuncLib 2.0.5f13
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.nvidia.nv50hal 6.3.6
com.apple.NVDAResman 6.3.6
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.0.5f13
com.apple.iokit.IOHDAFamily 2.0.5f13
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.iokit.IONDRVSupport 2.2
com.apple.driver.AppleSMC 3.1.0d5
com.apple.iokit.IOGraphicsFamily 2.2
com.apple.driver.CSRUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.XsanFilter 402.1
com.apple.driver.AppleFileSystemDriver 2.0
com.apple.iokit.IOATAPIProtocolTransport 2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOATAFamily 2.5.1
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily 1.3.0
System Profile:
Model: MacBookPro3,1, BootROM MBP31.0070.B07, 2 processors, Intel Core 2 Duo, 2.2 GHz, 6 GB, SMC 1.16f11
Graphics: NVIDIA GeForce 8600M GT, GeForce 8600M GT, PCIe, 128 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x87), Atheros 5416: 2.0.19.4
Bluetooth: Version 2.2.0f18, 2 service, 1 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
PCI Card: pci168c,24, sppci_othernetwork, PCI Slot 5
Serial ATA Device: Hitachi HTS725050A9A364, 465.76 GB
Parallel ATA Device: HL-DT-ST DVDRW GSA-S10N, 7.24 GB
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0xfd400000
USB Device: Hub, 0x0424 (SMSC), 0x2507, 0xfd100000
USB Device: Generic USB K/B Hub, 0x05c7, 0x7002, 0xfd130000
USB Device: USB OPTICAL MOUSE, 0x093a (Pixart Imaging, Inc.), 0x2510, 0xfd131000
USB Device: Generic USB K/B Hub, 0x05c7, 0x7001, 0xfd133000
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x021a, 0x5d200000
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x5d100000
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8205, 0x1a100000
<<END>>
Fri Jun 24 00:57:16 2011
panic(cpu 1 caller 0x5054a6): "OSCollection::_RESERVEDOSCollection6 called."@/SourceCache/xnu/xnu-1504.15.3/libkern/c++/OSMetaClass.cpp:906
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x800cb9c8 : 0x21b837 (0x5dd7fc 0x800cb9fc 0x223ce1 0x0)
0x800cba18 : 0x5054a6 (0x5de36c 0x5def46 0x5def46 0x6)
0x800cba38 : 0x50834e (0x85f858 0x6 0x800cba78 0x507001)
0x800cba58 : 0x9bb59b (0xba41b00 0x0 0x24 0xb91fdc0)
0x800cbab8 : 0x9bb9c2 (0xba6a700 0xb91fdc0 0x2 0x9bb9e6)
0x800cbaf8 : 0x987720 (0xba6a700 0xba44c00 0x800cbb28 0x0)
0x800cbb48 : 0x543f60 (0xba6a700 0xba44c00 0x1 0x506b76)
0x800cbba8 : 0x542137 (0xba44c00 0xba6a700 0xb8c8c40 0xb92f580)
0x800cbc58 : 0x5426e9 (0xba44c00 0xb92cc00 0x0 0xffffffff)
0x800cbca8 : 0x5439b9 (0xba44c00 0x0 0x800cbcd8 0xaf7b7a0)
0x800cbce8 : 0x542d91 (0xba44c00 0x0 0x800cbd18 0x85f8f8)
0x800cbd28 : 0x984441 (0xba44c00 0x0 0xb9c4ac0 0xb8e3be0)
0x800cbd48 : 0x97ce86 (0xba44c00 0xba41f00 0x0 0x800cbda8)
0x800cbd88 : 0x9b6d8a (0xba41f00 0xb086d00 0x0 0xb8ee3c0)
0x800cbe18 : 0x543f60 (0xba41f00 0xb086d00 0x1 0x506b76)
0x800cbe78 : 0x542137 (0xb086d00 0xba41f00 0xb8ee400 0xb8ee700)
0x800cbf28 : 0x5426e9 (0xb086d00 0xb9d6e80 0x0 0x516766)
0x800cbf78 : 0x5443d5 (0xb086d00 0x8 0x800cbfac 0x1)
0x800cbfc8 : 0x2a179c (0xb972260 0x0 0x37326567 0x5f007645)
Kernel Extensions in backtrace (with dependencies):
com.Mouse.driver.MouseSetting(1.0.1)@0x9ba000->0x9c1fff
dependency: com.apple.iokit.IOUSBFamily(4.2.4)@0x941000
dependency: com.apple.iokit.IOUSBHIDDriver(4.2.0)@0x9b3000
dependency: com.apple.iokit.IOHIDFamily(1.6.6)@0x977000
dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x92a000
com.apple.iokit.IOUSBHIDDriver(4.2.0)@0x9b3000->0x9b9fff
dependency: com.apple.iokit.IOHIDFamily(1.6.6)@0x977000
dependency: com.apple.iokit.IOUSBFamily(4.2.4)@0x941000
com.apple.iokit.IOHIDFamily(1.6.6)@0x977000->0x9b2fff
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K540
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro3,1 (Mac-F4238BC8)
System uptime in nanoseconds: 14542624005
unloaded kexts:
(none)
loaded kexts:
com.Cycling74.driver.Soundflower 1.5.2
com.rogueamoeba.HermesAudio 3.0.2
com.digidesign.iokit.DigiDal 8.0.3f1
com.Mouse.driver.MouseSetting 1.0.1
com.apple.driver.AppleUpstreamUserClient 3.5.7 - last loaded 14232543593
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.InternalModemSupport 2.6.2
com.apple.driver.AppleHDA 2.0.5f13
com.apple.driver.AppleLPC 1.5.1
com.apple.kext.AppleSMCLMU 1.5.2d10
com.apple.driver.AppleGraphicsControl 2.10.6
com.apple.driver.AppleBacklight 170.0.46
com.apple.GeForce 6.3.6
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.driver.AudioAUUC 1.57
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AirPort.Atheros 411.19.4
com.apple.driver.AirPort.Atheros21 425.14.7
com.apple.driver.AppleIntelYonahProfile 14
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.driver.AppleIntelNehalemProfile 11
com.apple.driver.AppleIntelMeromProfile 19
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleUSBTrackpad 201.6
com.apple.driver.AppleUSBTCKeyEventDriver 201.6
com.apple.driver.AppleUSBTCKeyboard 201.6
com.apple.driver.AppleIRController 303.8
com.apple.driver.CSRHIDTransitionDriver 2.4.5f3
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleIntelPIIXATA 2.5.1
com.apple.driver.AppleUSBHub 4.2.4
com.apple.iokit.AppleYukon2 3.2.1b1
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleUSBUHCI 4.2.0
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.12
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.driver.AppleHDAHardwareConfigDriver 2.0.5f13
com.apple.driver.DspFuncLib 2.0.5f13
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.nvidia.nv50hal 6.3.6
com.apple.NVDAResman 6.3.6
com.apple.iokit.IONDRVSupport 2.2
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.0.5f13
com.apple.iokit.IOGraphicsFamily 2.2
com.apple.iokit.IOHDAFamily 2.0.5f13
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.CSRUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.AppleFileSystemDriver 2.0
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOATAPIProtocolTransport 2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOATAFamily 2.5.1
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily 1.3.0
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High CPU usage when graphics card is put at work
I have a 13inch Air with 2GB RAM and 256GB with Windows 7 Ultimate 64bit. All possible updates have been installed.
I noticed some tearing when trying to move program windows across the screen so I started checking the CPU usage. I saw that it is spiking to 25-35% when moving a window across the screen.When you drag down a window you can see the different copies of the top bar across the screen. Not smooth at all like on a standard PC windows system. Same issue when scrolling through webpages which spikes the cpu
I also noticed a high cpu usage when playing mkv files 25-30% while on an Atom HTPC i get a lower load playing the same file. The Air should be faster than an atom with a nvidia 9400m when playing video files.
I already tried updating the nvidia files to the latest version on their site by hacking the driver inf but this did not resolve the issue.
Has anyone experienced the same or know what could be causing the beavior?
Many thanksMaybe my initial post was not clear so let me add some clarifications.
I have the problem with Aero disabled
I have the problem on the Apple site which does not have any flash content.
I have already hacked the lastest nvidia drivers to get them on my system which did not change anything. Can you provide a link to some other 'supported' beta drivers?
I am using the new 13 inch air so it has the newer graphics card so I would expect it to be faster than an old HTPC with a 9400m in it. I wasn't stating that my Air had a 9400m.
It would be great if someone you also do the test to check the cpu load:
- when playing a 720 mkv
- when dragging a window across the screen
Just open task manager and see if the CPU spikes.
Many thanks! -
High CPU usage when downloading from ITunes Match
When attempting to download matched songs from ITunes Match, ITunes utilization spikes to over 70% and makes it almost impossible to do any other function on the computer. Eventually ITunes fails to respond. I have tried several remedies including reseting winsock. Is there any other options I should try?
Hiya,
could it have something to do with the write speed/ cache/ram? On a "slow" disk, or one that is nearly full or one that is partitioned, it will take a great deal more ram and cache to "digest" the faster download and write it onto disk. I tend to do downloads to a separate drive. Have you got one? and can you repeat the high CPU usage when downloading / saving to the external drive? I note your drive might have 5,400 rpm, with "just" 8mB cache and 320 GB (quite a few SATA's have 7,200 rpm and 32 mB cache).
NB: If anything, I found SL more efficient, especially on my 4 year old Macbook, which is running much faster and has got more responsive after installation of (full version of) SL.
Message was edited by: Alexandre -
Google Earth Plugin and LabVIEW: High CPU usage when adding placemarks
Hi,
I posted this question on stackoverflow earlier this week but feel it might be better suited to the LabVIEW community specifically so I'm reposting here:
I'm writing an application which uses the Google Earth Plugin to display events on the globe. Each event is a single point kml placemark with an icon which is a 3kb png file. Placemarks are uploaded to the plugin as they are received by the software. I am experiencing increasing CPU usage with the number of placemarks that are added.
I have tested displaying a new placemark every second and running until the software running the plugin completely froze (graph attached). The GEPlugin (green trace) stopped responding (i.e. the globe did not respond to the mouse) at around 1200 placemarks added and CPU usage was at ~30%. When the software itself (red trace) froze the plugin was using around 50% CPU and ~3700 placemarks had been added). After the freeze, no new placemarks were added which caused the software to respond (but not the plugin) so I could clear all the placemarks. After the placemarks were cleared from the globe, the CPU usage of the plugin returned to around 5% CPU.
So what I've seen is that GEPlugin CPU usage increases linearly with each kml placemark added. Is this the expected behaviour/ a normal limitation of the plugin? If not is there a more efficient way of adding many placemarks to the globe?
I am using GEPlugin version 7.1.1.1580 (API version 1.010) and LabVIEW 12.0f3
Please see the test results attached. Any input greatly appreciated!
Original stackoverflow post:
http://stackoverflow.com/questions/20994323/google-earth-plugin-with-labview-high-cpu-usage-when-add...
Attachments:
Performance Log 020114_095115.png 82 KBHello,
I have had a look at your graphs and understood what you are trying to do. To me it seems that as the image gets more complex it gets harde to render which wold likely cause increase in CPU usage resulting in the freeze. I would suggest you try running the program on anoher computer to check on the RAM front of things. If this is a limitation of the GE Plugin then unfortunately I can not do much to help, but if you think this is a problem coming from your LabVIEW code then you can post your code here and I can take a look. -
Reduce CPU Usage when Runnig Telnet on Win2000
Does any one knows how to reduce CPU usage when iam running my telnet developed using java classes.Every time when i start Telnet CPU usage is shooting to 100%.Can any one help to me solve my problem.
You are probably doing some kind of loop that is eating all the CPU idle time. You could reduce your use of the CPU by calling Thread.yield() when you do not need to do anything for a bit, or even better, Thread.sleep(...) to pause your program for a specified number of milliseconds.
Hope this helps some. -
2 day old MBP not running off AC adapter.
My two day old MBP is refusing to tun off of the charger. Yesterday I had no problems with it, But now when I plug in the magsafe the light doesn't come on or anything.
Twice I have switched the power outlet that the charger was plugged into and it worked until I looked at the battery charge level in both Leopard and WinXP. At witch point the charger quit working.
Battery currently at 41% and charger still not working.Yes... send it in for repair or take it to an Apple retail store or authorized service provider for diagnosis and/or repair.
You have called Apple support by now haven't you? -
High CPU usage when downloading Files
Hi there,
i noticed somethign strage when I download file off the internet or intranet. As soon as my download speed surpasses 1MB/s the CPU usage increases. To be exact the process kernel_task.
For example:
2,5 MB/s -> ~30%
10 MB/s -> ~60-70%
10+ MB/s -> ~80%
This is really annoying and I have now clue how to fix this. The Harddrive is a SAMSUNG HM320JI with a Journaled HFS+ partition. No Virus Scanner or anything. Also just reinstalled Snow Leopard yesterday.
Hope someone can give me some useful information how to fix this.Hiya,
could it have something to do with the write speed/ cache/ram? On a "slow" disk, or one that is nearly full or one that is partitioned, it will take a great deal more ram and cache to "digest" the faster download and write it onto disk. I tend to do downloads to a separate drive. Have you got one? and can you repeat the high CPU usage when downloading / saving to the external drive? I note your drive might have 5,400 rpm, with "just" 8mB cache and 320 GB (quite a few SATA's have 7,200 rpm and 32 mB cache).
NB: If anything, I found SL more efficient, especially on my 4 year old Macbook, which is running much faster and has got more responsive after installation of (full version of) SL.
Message was edited by: Alexandre -
ITunes 10.6 has High CPU Usage when switched to Mini Player
iTunes has high CPU usage when switched to mini player. The CPU usage goes to 80-100% when the next song is played in Mini Player. iTunes then stays at high CPU usage.
Upon exiting mini player the CPU usage will drop back to the normal 0-5% levels.
This only happens when playing from the main music library; which my library is at 7089 items, 42.04 GB.
When playing from a smaller playlist such as a smart playlist with about 15 songs in it for example, the CPU usage stays low/normal.Do you have any better luck with that if you update to iTunes 10.6.1.7?
From the notes for the release:
iTunes 10.6.1 provides a number of improvements, including:
• Fixes several issues that may cause iTunes to unexpectedly quit while playing videos, changing artwork size in Grid view and syncing photos to devices.
• Addresses an issue where some iTunes interface elements are incorrectly described by VoiceOver and WindowEyes.
• Fixes a problem where iTunes may become unresponsive while syncing iPod nano or iPod shuffle.
• Resolves an ordering problem while browsing TV episodes in your iTunes library on Apple TV.
http://www.apple.com/itunes/download/ -
High cpu usage when the system is idle
I do have a high cpu usage problem when the system is idle. I bought the laptop (lenovo x230 tablet) with windows 7 installed in it. Then upgraded to windows 8. But ever since I have problems with high cpu usage by the system even when the computer is idle.
Only the system by itself uses around 30% of the cpu all the time. I ran xperf, and here is the result of it:
http://sdrv.ms/Kj6CFN
I appreciate any help you can provide.
Thanks,Hi,
I'm sorry for that the log you provide can't be opened on my computer. While according to your description, it should had a special process that consume CPU usage when system idle Iguess, isn't it?
You can use
Process Explorer to monitor the process activity, may be we can find the reason of this problem.
Note: We can use Process Explorer to check the Stack of every process then analyize the problem in deep.
To gave a better insight about this problem, you can take a ScreenShot for this problem and provide the picture here.
Roger Lu
TechNet Community Support -
High CPU usage when updating or instlling s/w
When updating Win8 or installing MS Office system slows down and has to run all night to make any progress. Task Manager shows "System" using 49%. "go to process" shows "NT Kernel & System". The system was bought with Win7 and is now double booting both 7 & 8. Win 8 partition has 500 GB.
This question was solved.
View Solution.Hello @Dan-44,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your computer is displaying a high CPU usage when installing updates or other software. I would be happy to assist you in this matter!
What other programs are in use when these updates take place? How full is your computer's Local Disk hard drive? In the meantime, I recommend following the steps in this document on Resolving Slow System Performance (Windows 8). This should help improve the speed and efficiency of your operating system.
Please re-post with the results of your troubleshooting, as well as the requested information above. I look forward to your reply!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!
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