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24" iMac. Strange noise and occasional kernel panics.

B

Brasshat

macrumors newbie
Original poster
Sep 30, 2010
9
0
I have a 24" iMac which is just over 12 months old. I noticed recently that occasionally the iMac emits a short burst of grey noise, a sort of hissing which distorts whatever sound is being emitted at the time, (music or whatever). This happens at no particular time and when running no particular program. I have tested it with external speakers and also headphones to confirm that it is not the built in speakers that are causing the problem. The sound burst usually lasts just a couple of seconds. It is not particularly loud and is something I can live with. Anyone had this problem?

Also recently the same machine has suffered from occasional kernel panics. Usually after being on for some time. Again at no particular time or process. If I restart the computer it often panics again. If I leave it off for a while it seems ok, I am wondering if this is some sort of heat issue.
 
Brasshat said:
I have a 24" iMac which is just over 12 months old. I noticed recently that occasionally the iMac emits a short burst of grey noise, a sort of hissing which distorts whatever sound is being emitted at the time, (music or whatever). This happens at no particular time and when running no particular program. I have tested it with external speakers and also headphones to confirm that it is not the built in speakers that are causing the problem. The sound burst usually lasts just a couple of seconds. It is not particularly loud and is something I can live with. Anyone had this problem?

Also recently the same machine has suffered from occasional kernel panics. Usually after being on for some time. Again at no particular time or process. If I restart the computer it often panics again. If I leave it off for a while it seems ok, I am wondering if this is some sort of heat issue.
Click to expand...


Here is an iStat picture I took after about 20 mins running. The temp I was wondering about was the bottom one in the list.

Northbridge - 55c

Edit: That has now risen to 60c

Forgive my ignorance what are the 2 Northbridges? Are they the ram slots?
 

Attachments

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Not quite.

And those temperatures are normal for the Northbridge.

If you get another Kernel Panic, it would be nice if you can post a copy of the information that little pop-up has after the machine restarts.
 
Vylen said:
Not quite.

And those temperatures are normal for the Northbridge.

If you get another Kernel Panic, it would be nice if you can post a copy of the information that little pop-up has after the machine restarts.
Click to expand...

Right, it's been a month or so, but had 2 panics in quick succession last night. Here are the reports.

Sun Oct 31 00:45:58 2010
panic(cpu 0 caller 0x001AA802): Double fault at 0x001a9820, thread:0x7c88000, trapno:0x8, err:0x0),registers:
CR0: 0x80010033, CR2: 0x49061ff8, CR3: 0x01937000, CR4: 0x00000660
EAX: 0x49062000, EBX: 0x0361ee28, ECX: 0x0361ee38, EDX: 0x00000000
ESP: 0x49062000, EBP: 0x56cefda8, ESI: 0x08dfdaf0, EDI: 0x00000005
EFL: 0x00210246, EIP: 0x001a9820

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x4f4e28 : 0x12b4c6 (0x45f91c 0x4f4e5c 0x13355c 0x0)
0x4f4e78 : 0x1aa802 (0x46951c 0x1a9820 0x7c88000 0x8)
0x4f4f58 : 0x1a2543 (0x4f4f70 0x0 0x0 0x0)
0x56cefda8 : 0x15ff19 (0x49062 0x8dfdaf0 0xc81000 0x0)
Backtrace terminated-invalid frame pointer 0x49062000

BSD process name corresponding to current thread: TheTube

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
System model name: iMac9,1 (Mac-F2218FA9)

System uptime in nanoseconds: 7973727613509
unloaded kexts:
com.apple.driver.InternalModemSupport 2.4.0 - last unloaded 114586927145
loaded kexts:
com.vmware.kext.vmnet 2.0.5
com.vmware.kext.vmioplug 2.0.5
com.vmware.kext.vmci 2.0.5
com.vmware.kext.vmx86 2.0.5
com.apple.filesystems.autofs 2.0.2 - last loaded 21567391984
com.apple.driver.InternalModemSupport 2.4.0
com.apple.driver.AppleHWSensor 1.9d0
com.apple.iokit.IOBluetoothSerialManager 2.1.9f10
com.apple.driver.AppleHDAPlatformDriver 1.7.1a2
com.apple.driver.BroadcomUSBBluetoothHCIController 2.1.9f10
com.apple.driver.AppleMikeyHIDDriver 1.0.6
com.apple.driver.AppleUpstreamUserClient 2.7.5
com.apple.driver.AppleHDAHardwareConfigDriver 1.7.1a2
com.apple.driver.AppleHDA 1.7.1a2
com.apple.driver.AppleMikeyDriver 1.7.1a2
com.apple.driver.AGPM 100.8.7
com.apple.driver.AppleHDAController 1.7.1a2
com.apple.Dont_Steal_Mac_OS_X 6.0.3
com.apple.driver.AppleGraphicsControl 2.8.15
com.apple.driver.AppleIRController 113
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.GeForce 5.4.8
com.apple.driver.ACPI_SMC_PlatformPlugin 3.4.0a17
com.apple.driver.NVSMU 1.1.7
com.apple.driver.AppleSMBusPCI 1.0.1d1
com.apple.driver.AppleLPC 1.3.1
com.apple.driver.AppleBacklight 1.6.0
com.apple.nvidia.nv50hal 5.4.8
com.apple.driver.AppleTyMCEDriver 1.0.0d28
com.apple.driver.PioneerSuperDrive 2.0.9
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.AppleHIDKeyboard 1.0.9b4
com.apple.iokit.IOAHCISerialATAPI 1.1.2
com.apple.driver.AppleUSBMergeNub 3.5.2
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOAHCIBlockStorage 1.2.3
com.apple.driver.AppleFWOHCI 3.9.7
com.apple.driver.AirPortBrcm43xx 366.91.21
com.apple.driver.AppleAHCIPort 1.7.0
com.apple.nvenet 1.0.54
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.driver.AppleUSBHub 3.4.9
com.apple.iokit.IOUSBUserClient 3.5.2
com.apple.driver.AppleUSBEHCI 3.4.6
com.apple.driver.AppleUSBOHCI 3.4.6
com.apple.driver.AppleEFINVRAM 1.2.0
com.apple.driver.AppleRTC 1.2.3
com.apple.driver.AppleHPET 1.4
com.apple.driver.AppleACPIPCI 1.2.5
com.apple.driver.AppleACPIButtons 1.2.5
com.apple.driver.AppleSMBIOS 1.4
com.apple.driver.AppleACPIEC 1.2.5
com.apple.driver.AppleAPIC 1.4
com.apple.security.seatbelt 107.12
com.apple.nke.applicationfirewall 1.8.77
com.apple.security.TMSafetyNet 3
com.apple.driver.AppleIntelCPUPowerManagement 76.2.0
com.apple.driver.DiskImages 199
com.apple.BootCache 30.4
com.apple.iokit.IOSerialFamily 9.4
com.apple.driver.AppleUSBBluetoothHCIController 2.1.9f10
com.apple.iokit.IOBluetoothFamily 2.1.9f10
com.apple.driver.DspFuncLib 1.7.1a2
com.apple.iokit.IOHDAFamily 1.7.1a2
com.apple.driver.AppleSMBusController 1.0.1d1
com.apple.iokit.IOAudioFamily 1.6.9fc5
com.apple.kext.OSvKernDSPLib 1.1
com.apple.driver.IOPlatformPluginFamily 3.4.0a17
com.apple.driver.AppleSMC 2.3.1d1
com.apple.NVDAResman 5.4.8
com.apple.iokit.IONDRVSupport 1.7.3
com.apple.iokit.IOGraphicsFamily 1.7.3
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.IOSCSIBlockCommandsDevice 2.1.1
com.apple.iokit.IOBDStorageFamily 1.5
com.apple.iokit.IODVDStorageFamily 1.5
com.apple.iokit.IOCDStorageFamily 1.5
com.apple.iokit.IOUSBHIDDriver 3.4.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.1.1
com.apple.driver.AppleUSBComposite 3.2.0
com.apple.iokit.IOFireWireFamily 3.4.9
com.apple.iokit.IO80211Family 216.1
com.apple.iokit.IOAHCIFamily 1.5.0
com.apple.iokit.IONetworkingFamily 1.6.1
com.apple.iokit.IOUSBFamily 3.5.2
com.apple.driver.AppleEFIRuntime 1.2.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.iokit.IOStorageFamily 1.5.6
com.apple.iokit.IOHIDFamily 1.5.5
com.apple.driver.AppleACPIPlatform 1.2.5
com.apple.iokit.IOPCIFamily 2.6
com.apple.iokit.IOACPIFamily 1.2.0

...................

Sun Oct 31 01:02:18 2010
panic(cpu 1 caller 0x001AB0FE): Kernel trap at 0x00be6e0c, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x00000000, CR3: 0x01937000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x07138800, ECX: 0x07138800, EDX: 0x00000000
CR2: 0x00000000, EBP: 0x838aff08, ESI: 0x07153f40, EDI: 0x00be9668
EFL: 0x00010246, EIP: 0x00be6e0c, CS: 0x00000008, DS: 0x070b0010
Error code: 0x00000002

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x838afd28 : 0x12b4c6 (0x45f91c 0x838afd5c 0x13355c 0x0)
0x838afd78 : 0x1ab0fe (0x469a98 0xbe6e0c 0xe 0x469248)
0x838afe58 : 0x1a1713 (0x838afe70 0xcd 0x838aff08 0xbe6e0c)
0x838afe68 : 0xbe6e0c (0xe 0x50f10048 0x10 0x10)
0x838aff08 : 0xbe967a (0x7138800 0x8e8f5ec 0x13eaf5 0x522b60)
0x838aff28 : 0x4293b4 (0x7138800 0x718a400 0x838aff78 0x136e92)
0x838aff78 : 0x13ebde (0x718a400 0x718cfc4 0x0 0x7134800)
0x838affc8 : 0x1a14fc (0x522b60 0x0 0x1a40b5 0x70b1b58)
Backtrace terminated-invalid frame pointer 0
Kernel loadable modules in backtrace (with dependencies):
com.apple.nvenet(1.0.54)@0xbe3000->0xbedfff
dependency: com.apple.iokit.IOPCIFamily(2.6)@0x634000
dependency: com.apple.iokit.IONetworkingFamily(1.6.1)@0x7af000
dependency: com.apple.iokit.IOACPIFamily(1.2.0)@0x5d5000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
System model name: iMac9,1 (Mac-F2218FA9)

System uptime in nanoseconds: 882103208627
unloaded kexts:
com.apple.driver.InternalModemSupport 2.4.0 - last unloaded 104780045902
loaded kexts:
com.vmware.kext.vmnet 2.0.5 - last loaded 23893910650
com.vmware.kext.vmioplug 2.0.5
com.vmware.kext.vmci 2.0.5
com.vmware.kext.vmx86 2.0.5
com.apple.driver.InternalModemSupport 2.4.0
com.apple.driver.AppleHWSensor 1.9d0
com.apple.iokit.IOBluetoothSerialManager 2.1.9f10
com.apple.filesystems.autofs 2.0.2
com.apple.driver.AppleHDAPlatformDriver 1.7.1a2
com.apple.driver.AppleHDAHardwareConfigDriver 1.7.1a2
com.apple.driver.AppleHDA 1.7.1a2
com.apple.driver.AppleMikeyHIDDriver 1.0.6
com.apple.driver.AppleUpstreamUserClient 2.7.5
com.apple.driver.AppleMikeyDriver 1.7.1a2
com.apple.driver.AppleHDAController 1.7.1a2
com.apple.driver.AGPM 100.8.7
com.apple.Dont_Steal_Mac_OS_X 6.0.3
com.apple.driver.AppleGraphicsControl 2.8.15
com.apple.nvidia.nv50hal 5.4.8
com.apple.driver.AppleIRController 113
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.driver.ACPI_SMC_PlatformPlugin 3.4.0a17
com.apple.driver.NVSMU 1.1.7
com.apple.driver.AppleSMBusPCI 1.0.1d1
com.apple.driver.AppleLPC 1.3.1
com.apple.driver.AppleBacklight 1.6.0
com.apple.driver.AppleTyMCEDriver 1.0.0d28
com.apple.GeForce 5.4.8
com.apple.driver.PioneerSuperDrive 2.0.9
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.AppleHIDKeyboard 1.0.9b4
com.apple.driver.BroadcomUSBBluetoothHCIController 2.1.9f10
com.apple.iokit.IOAHCISerialATAPI 1.1.2
com.apple.driver.AppleUSBMergeNub 3.5.2
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOAHCIBlockStorage 1.2.3
com.apple.driver.AppleFWOHCI 3.9.7
com.apple.driver.AirPortBrcm43xx 366.91.21
com.apple.driver.AppleUSBHub 3.4.9
com.apple.iokit.IOUSBUserClient 3.5.2
com.apple.driver.AppleAHCIPort 1.7.0
com.apple.nvenet 1.0.54
com.apple.driver.AppleUSBEHCI 3.4.6
com.apple.driver.AppleUSBOHCI 3.4.6
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.driver.AppleEFINVRAM 1.2.0
com.apple.driver.AppleRTC 1.2.3
com.apple.driver.AppleHPET 1.4
com.apple.driver.AppleACPIPCI 1.2.5
com.apple.driver.AppleACPIButtons 1.2.5
com.apple.driver.AppleSMBIOS 1.4
com.apple.driver.AppleACPIEC 1.2.5
com.apple.driver.AppleAPIC 1.4
com.apple.security.seatbelt 107.12
com.apple.nke.applicationfirewall 1.8.77
com.apple.security.TMSafetyNet 3
com.apple.driver.AppleIntelCPUPowerManagement 76.2.0
com.apple.driver.DiskImages 199
com.apple.BootCache 30.4
com.apple.iokit.IOSerialFamily 9.4
com.apple.driver.DspFuncLib 1.7.1a2
com.apple.driver.AppleSMBusController 1.0.1d1
com.apple.iokit.IOHDAFamily 1.7.1a2
com.apple.iokit.IOAudioFamily 1.6.9fc5
com.apple.kext.OSvKernDSPLib 1.1
com.apple.driver.IOPlatformPluginFamily 3.4.0a17
com.apple.driver.AppleSMC 2.3.1d1
com.apple.NVDAResman 5.4.8
com.apple.iokit.IONDRVSupport 1.7.3
com.apple.iokit.IOGraphicsFamily 1.7.3
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.IOSCSIBlockCommandsDevice 2.1.1
com.apple.iokit.IOBDStorageFamily 1.5
com.apple.iokit.IODVDStorageFamily 1.5
com.apple.iokit.IOCDStorageFamily 1.5
com.apple.iokit.IOUSBHIDDriver 3.4.6
com.apple.driver.AppleUSBBluetoothHCIController 2.1.9f10
com.apple.iokit.IOBluetoothFamily 2.1.9f10
com.apple.iokit.IOSCSIArchitectureModelFamily 2.1.1
com.apple.driver.AppleUSBComposite 3.2.0
com.apple.iokit.IOFireWireFamily 3.4.9
com.apple.iokit.IO80211Family 216.1
com.apple.iokit.IOAHCIFamily 1.5.0
com.apple.iokit.IOUSBFamily 3.5.2
com.apple.iokit.IONetworkingFamily 1.6.1
com.apple.driver.AppleEFIRuntime 1.2.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.iokit.IOStorageFamily 1.5.6
com.apple.iokit.IOHIDFamily 1.5.5
com.apple.driver.AppleACPIPlatform 1.2.5
com.apple.iokit.IOPCIFamily 2.6
com.apple.iokit.IOACPIFamily 1.2.0
 
OMG CODE TAGS FFS
Code: 
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x4f4e28 : 0x12b4c6 (0x45f91c 0x4f4e5c 0x13355c 0x0) 
0x4f4e78 : 0x1aa802 (0x46951c 0x1a9820 0x7c88000 0x8) 
0x4f4f58 : 0x1a2543 (0x4f4f70 0x0 0x0 0x0) 
0x56cefda8 : 0x15ff19 (0x49062 0x8dfdaf0 0xc81000 0x0) 
Backtrace terminated-invalid frame pointer 0x49062000

BSD process name corresponding to current thread: TheTube

Normally this part would say it all, but for some reason doesn't. That could indicate a hardware problem
more importantly, why haven't you updated to snow leopard? its $29 and bound to smooth out a lot of problems
 
OK, thanks for that input:

Here are a few samples of more going back over the months.

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x56e17a58 : 0x12b4c6 (0x45f91c 0x56e17a8c 0x13355c 0x0)
0x56e17aa8 : 0x1ab0fe (0x469a98 0x861bcc88 0xe 0x469248)
0x56e17b88 : 0x1a1713 (0x56e17ba0 0x75aeca0 0x56e17c38 0x861bcc88)
0x56e17b98 : 0x861bcc88 (0xe 0xb10048 0x56e10010 0x3f0010)
0x56e17c38 : 0x193dcf (0x1957000 0x0 0x56e17cd8 0x6)
0x56e17c58 : 0x1ac342 (0x0 0x0 0x4 0x50f4e000)
0x56e17c78 : 0x1358e1 (0x50f4e4c0 0xf509f4bd 0x27 0x50f4e4ac)
0x56e17cc8 : 0x136217 (0x1 0x8397790 0x6fcb4a4 0x141ade)
0x56e17d38 : 0x136e7c (0x83977ac 0x0 0x56e17d68 0x27)
0x56e17d78 : 0x136f20 (0x12081a 0x0 0x0 0x1a436f)
0x56e17d98 : 0x121286 (0x12081a 0x5424e0 0x0 0x2)
0x56e17df8 : 0x1274de (0x823848c 0x3000006 0x450 0x0)
0x56e17f08 : 0x198fa3 (0x56e17f44 0x0 0x0 0x0)
0x56e17fc8 : 0x1a1cfa (0x8208560 0x0 0x1a40b5 0x8e8ce40)
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffed38

BSD process name corresponding to current thread: TheTube

.......

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x6bb7b098 : 0x12b4c6 (0x45f91c 0x6bb7b0cc 0x13355c 0x0)
0x6bb7b0e8 : 0x1ab0fe (0x469a98 0x1eccbb 0xe 0x469248)
0x6bb7b1c8 : 0x1a1713 (0x6bb7b1e0 0x0 0x6bb7b279 0x1eccbb)
0x6bb7b1d8 : 0x1eccbb (0xe 0x1000048 0x8400070 0x10)
Unaligned frame
Backtrace terminated-invalid frame pointer 0x6bb7b279

BSD process name corresponding to current thread: firefox-bin

......

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x56f93cb8 : 0x12b4c6 (0x45f91c 0x56f93cec 0x13355c 0x0)
0x56f93d08 : 0x1ab0fe (0x469a98 0x5f6516 0xe 0x469248)
0x56f93de8 : 0x1a1713 (0x56f93e00 0x1 0x56f93e98 0x5f6516)
0x56f93df8 : 0x5f6516 (0xe 0x48 0x10 0x10)
0x56f93e98 : 0x5eb036 (0x78e2300 0x4a6b6ea4 0xe38 0x7774380)
0x56f93ef8 : 0x5ec199 (0x78e2600 0x4a6b6ea4 0xe38 0x7774380)
0x56f93f38 : 0x622915 (0x78e2600 0x7774380 0x0 0x0)
0x56f93f58 : 0x6229f0 (0x78e2600 0x0 0x0 0x1a436f)
0x56f93f78 : 0x13ebde (0x78e2600 0x709433c 0x0 0x0)
0x56f93fc8 : 0x1a14fc (0x522b60 0x0 0x1a40b5 0x81ce8c0)
Backtrace terminated-invalid frame pointer 0
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOUSBHIDDriver(3.4.6)@0x620000->0x624fff
dependency: com.apple.iokit.IOUSBFamily(3.5.2)@0x59d000
dependency: com.apple.iokit.IOHIDFamily(1.5.5)@0x5e6000
com.apple.iokit.IOHIDFamily(1.5.5)@0x5e6000->0x61ffff

BSD process name corresponding to current thread: kernel_task

......

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x6de87b68 : 0x12b4c6 (0x45f91c 0x6de87b9c 0x13355c 0x0)
0x6de87bb8 : 0x1ab0fe (0x469a98 0x161a0d 0xe 0x469248)
0x6de87c98 : 0x1a1713 (0x6de87cb0 0x1949130 0x6de87de8 0x161a0d)
0x6de87ca8 : 0x161a0d (0xe 0x7980048 0x10 0x190010)
0x6de87de8 : 0x1636ae (0xa2a21a4 0xa4000 0x0 0x1)
0x6de87f58 : 0x1ab39c (0x796fa2c 0x34ca000 0x0 0x1)
0x6de87fc8 : 0x1a160d (0x7b397e0 0x0 0x1a40b5 0x7b397e0)
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffe368

BSD process name corresponding to current thread: kextcache

.......

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x6bd57278 : 0x12b4c6 (0x45f91c 0x6bd572ac 0x13355c 0x0)
0x6bd572c8 : 0x1ab0fe (0x469a98 0x1ec754 0xe 0x469248)
0x6bd573a8 : 0x1a1713 (0x6bd573c0 0x0 0x6bd57458 0x1ec754)
0x6bd573b8 : 0x1ec754 (0xe 0x12c0048 0xb320070 0x10)
0x6bd57458 : 0x348a68 (0x46f94c 0x19 0xb37202e 0x6bd5748c)
0x6bd57498 : 0x349e58 (0x43 0x46f94c 0xb372020 0x1a012c)
0x6bd57558 : 0x1f64a0 (0x6bd57570 0x6bd57560 0x6bd57568 0x6bd57568)
0x6bd575a8 : 0x1f2749 (0xace23f0 0x46f94c 0x0 0x6bd5764c)
0x6bd575f8 : 0x1f473b (0xace23f0 0x46f94c 0x0 0x6bd5764c)
0x6bd57668 : 0x1f745c (0xace23f0 0x6bd57810 0x80484c4 0x1cdb68)
0x6bd576c8 : 0x1de6f0 (0xace23f0 0x6bd57810 0x80484c4 0x6bd576d8)
0x6bd57958 : 0x35e40a (0x900faa0 0x0 0x8 0x80484c4)
0x6bd57998 : 0x1da92b (0x70e6f04 0x900faa0 0x8 0x80484c4)
0x6bd579e8 : 0x1d667f (0xace23f0 0x0 0x8 0x80484c4)
0x6bd57a78 : 0x1d745e (0x6bd57ddc 0x100 0x6bd57dfc 0x0)
0x6bd57b38 : 0x1e610b (0x6bd57ddc 0x0 0x0 0x3)
Backtrace continues...

BSD process name corresponding to current thread: mdworker

.......

There are about 20 panics listed over the last 4 months or so. A reference to "thetube" has come up in several of them. It is software on my system which controls a USB TV receiver. The software has a helper in the start-up items. Could this be the culprit? The panics have occurred when the USB receiver is not connected, but the software is always on obviously.

Regarding Snow Leopard, I did not install it because there were some issues with its handling of fonts. I occasionally use my comp to do some Graphic Design work when at home, I need the consistency with my work-based systems.
 
I'll just quote myself, and fix your post, in my quote at least!
mulo said:
OMG CODE TAGS FFS
Click to expand...

Brasshat said:
OK, thanks for that input:

Here are a few samples of more going back over the months.

Code: 
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x56e17a58 : 0x12b4c6 (0x45f91c 0x56e17a8c 0x13355c 0x0) 
0x56e17aa8 : 0x1ab0fe (0x469a98 0x861bcc88 0xe 0x469248) 
0x56e17b88 : 0x1a1713 (0x56e17ba0 0x75aeca0 0x56e17c38 0x861bcc88) 
0x56e17b98 : 0x861bcc88 (0xe 0xb10048 0x56e10010 0x3f0010) 
0x56e17c38 : 0x193dcf (0x1957000 0x0 0x56e17cd8 0x6) 
0x56e17c58 : 0x1ac342 (0x0 0x0 0x4 0x50f4e000) 
0x56e17c78 : 0x1358e1 (0x50f4e4c0 0xf509f4bd 0x27 0x50f4e4ac) 
0x56e17cc8 : 0x136217 (0x1 0x8397790 0x6fcb4a4 0x141ade) 
0x56e17d38 : 0x136e7c (0x83977ac 0x0 0x56e17d68 0x27) 
0x56e17d78 : 0x136f20 (0x12081a 0x0 0x0 0x1a436f) 
0x56e17d98 : 0x121286 (0x12081a 0x5424e0 0x0 0x2) 
0x56e17df8 : 0x1274de (0x823848c 0x3000006 0x450 0x0) 
0x56e17f08 : 0x198fa3 (0x56e17f44 0x0 0x0 0x0) 
0x56e17fc8 : 0x1a1cfa (0x8208560 0x0 0x1a40b5 0x8e8ce40) 
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffed38

BSD process name corresponding to current thread: TheTube

.......

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x6bb7b098 : 0x12b4c6 (0x45f91c 0x6bb7b0cc 0x13355c 0x0) 
0x6bb7b0e8 : 0x1ab0fe (0x469a98 0x1eccbb 0xe 0x469248) 
0x6bb7b1c8 : 0x1a1713 (0x6bb7b1e0 0x0 0x6bb7b279 0x1eccbb) 
0x6bb7b1d8 : 0x1eccbb (0xe 0x1000048 0x8400070 0x10) 
Unaligned frame
Backtrace terminated-invalid frame pointer 0x6bb7b279

BSD process name corresponding to current thread: firefox-bin

......

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x56f93cb8 : 0x12b4c6 (0x45f91c 0x56f93cec 0x13355c 0x0) 
0x56f93d08 : 0x1ab0fe (0x469a98 0x5f6516 0xe 0x469248) 
0x56f93de8 : 0x1a1713 (0x56f93e00 0x1 0x56f93e98 0x5f6516) 
0x56f93df8 : 0x5f6516 (0xe 0x48 0x10 0x10) 
0x56f93e98 : 0x5eb036 (0x78e2300 0x4a6b6ea4 0xe38 0x7774380) 
0x56f93ef8 : 0x5ec199 (0x78e2600 0x4a6b6ea4 0xe38 0x7774380) 
0x56f93f38 : 0x622915 (0x78e2600 0x7774380 0x0 0x0) 
0x56f93f58 : 0x6229f0 (0x78e2600 0x0 0x0 0x1a436f) 
0x56f93f78 : 0x13ebde (0x78e2600 0x709433c 0x0 0x0) 
0x56f93fc8 : 0x1a14fc (0x522b60 0x0 0x1a40b5 0x81ce8c0) 
Backtrace terminated-invalid frame pointer 0
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.iokit.IOUSBHIDDriver(3.4.6)@0x620000->0x624fff
            dependency: com.apple.iokit.IOUSBFamily(3.5.2)@0x59d000
            dependency: com.apple.iokit.IOHIDFamily(1.5.5)@0x5e6000
         com.apple.iokit.IOHIDFamily(1.5.5)@0x5e6000->0x61ffff

BSD process name corresponding to current thread: kernel_task

......

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x6de87b68 : 0x12b4c6 (0x45f91c 0x6de87b9c 0x13355c 0x0) 
0x6de87bb8 : 0x1ab0fe (0x469a98 0x161a0d 0xe 0x469248) 
0x6de87c98 : 0x1a1713 (0x6de87cb0 0x1949130 0x6de87de8 0x161a0d) 
0x6de87ca8 : 0x161a0d (0xe 0x7980048 0x10 0x190010) 
0x6de87de8 : 0x1636ae (0xa2a21a4 0xa4000 0x0 0x1) 
0x6de87f58 : 0x1ab39c (0x796fa2c 0x34ca000 0x0 0x1) 
0x6de87fc8 : 0x1a160d (0x7b397e0 0x0 0x1a40b5 0x7b397e0) 
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffe368

BSD process name corresponding to current thread: kextcache

.......

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x6bd57278 : 0x12b4c6 (0x45f91c 0x6bd572ac 0x13355c 0x0) 
0x6bd572c8 : 0x1ab0fe (0x469a98 0x1ec754 0xe 0x469248) 
0x6bd573a8 : 0x1a1713 (0x6bd573c0 0x0 0x6bd57458 0x1ec754) 
0x6bd573b8 : 0x1ec754 (0xe 0x12c0048 0xb320070 0x10) 
0x6bd57458 : 0x348a68 (0x46f94c 0x19 0xb37202e 0x6bd5748c) 
0x6bd57498 : 0x349e58 (0x43 0x46f94c 0xb372020 0x1a012c) 
0x6bd57558 : 0x1f64a0 (0x6bd57570 0x6bd57560 0x6bd57568 0x6bd57568) 
0x6bd575a8 : 0x1f2749 (0xace23f0 0x46f94c 0x0 0x6bd5764c) 
0x6bd575f8 : 0x1f473b (0xace23f0 0x46f94c 0x0 0x6bd5764c) 
0x6bd57668 : 0x1f745c (0xace23f0 0x6bd57810 0x80484c4 0x1cdb68) 
0x6bd576c8 : 0x1de6f0 (0xace23f0 0x6bd57810 0x80484c4 0x6bd576d8) 
0x6bd57958 : 0x35e40a (0x900faa0 0x0 0x8 0x80484c4) 
0x6bd57998 : 0x1da92b (0x70e6f04 0x900faa0 0x8 0x80484c4) 
0x6bd579e8 : 0x1d667f (0xace23f0 0x0 0x8 0x80484c4) 
0x6bd57a78 : 0x1d745e (0x6bd57ddc 0x100 0x6bd57dfc 0x0) 
0x6bd57b38 : 0x1e610b (0x6bd57ddc 0x0 0x0 0x3) 
	Backtrace continues...

BSD process name corresponding to current thread: mdworker

There are about 20 panics listed over the last 4 months or so. A reference to "thetube" has come up in several of them. It is software on my system which controls a USB TV receiver. The software has a helper in the start-up items. Could this be the culprit? The panics have occurred when the USB receiver is not connected, but the software is always on obviously.

Regarding Snow Leopard, I did not install it because there were some issues with its handling of fonts. I occasionally use my comp to do some Graphic Design work when at home, I need the consistency with my work-based systems.
Click to expand...

yes it could, do you get them when the tv dongle is not connected?
 
Yeah, it has had a panic when USB dingle un plugged. Could the software itself be the problem though?

Btw, sorry to be ignorant, what are code tags?
 
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