Issues with waking from "sleep" mode

On a few occasions now and more often than not, after waking the computer from sleep - I get the Message "You need to restart your computer".
Usually I have a few programs open, but not running and sometimes I have an external hard drive connected and mounted, though not always.
Any advice or suggestions would be welcomed
Thanks
Tony

Hi Eco,
You are getting a Kernel Panic, which can be related to quite few things and only discoverable by eliminating all the options. Here's a few causes of Kernel Panics, bad RAM, peripheral driver conflicts, overheating and a few more obscure reasons that aren't worth mentioning now. The most common cause is RAM failure. Also, It's not unusual to have the hardware test come up with no faults when there clearly are faults.
Do a web search Kernel Panics and see what further info you can come up with. There is a good explanation on the Mac support site, but you can find some better info from other sources.

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Clicking the White Kudos star on the left is a way to say Thanks!
Clicking the 'Accept as Solution' button is a way to let others know which steps helped solve the problem!

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Hi, arthurpacifico.
Thank you for visiting Apple Support Communities.
Here are a couple troubleshooting steps that I would recommend trying to see if it corrects this issue.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Reset your computer’s PRAM
http://support.apple.com/kb/HT1379
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After waking from sleep or starting up, your computer may not show that it is connected to a Wi-Fi network.
After start or wake, your computer may indicate that it is connected to a network, but does not connect to the Internet.
Solution
Use these steps if your computer does not automatically connect to your desired Wi-Fi network.
Check your TCP/IP settings in the Network pane of the System Preferences. Click the "Renew DHCP lease" button
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Choose Network from the View menu.
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http://support.apple.com/kb/ht4628
Cheers,
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Hi,
In the recent release for Mac OS X Lion 10.7.3 "Resolving a Wi-Fi connection issue when waking from sleep" was supposed to be resolved, not so at my end. Has anyone else encountered the same issue and if so will there be a resolve.
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Hello BGreg and thank you for your answer,
I have alreadty read about this solution, and tried it.
I downloaded the 1.2 Go file, and applied it. And repaired permissions.
Everything went fine.
Unfortunately, it didn't solve the problem.
Meaning that when iMac wakes up, it doen't join my WiFi network.
I have to do it manually.
I don't know what to do : it is very strange because I never had that problem with OS 10.7.2 !
And my network setup has never changed.
another info :
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Hi,
I have an Imac 2.8 GHz Intel Core 2 Duo desktop which I have upgraded to lion.
Recently I keep getting kernel panics when waking from sleep mode and I cannot figure out what it is.
I am not very computer savy - I.e. I use a computer but don't know programming etc.
The computer then asks me to shut down and restart.
Any help would be much appreciated as this is driving me crazy.
An example of the latest kernel panic log as as follows:
Fri Jan 6 21:25:02 2012
panic(cpu 0 caller 0xffffff80002c266d): Kernel trap at 0xffffff80002936b3, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000020, CR3: 0x000000000f636000, CR4: 0x0000000000000660
RAX: 0x000000000006f9d8, RBX: 0xffffff800445d598, RCX: 0x0000000000000020, RDX: 0x0000000000019fd8
RSP: 0xffffff808073b520, RBP: 0xffffff808073b540, RSI: 0x000000002996b2ee, RDI: 0xffffff8003f83ce8
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0xffffff800bf31788, R11: 0x0000000000009268
R12: 0xffffff800374c000, R13: 0xffffff800445d598, R14: 0x000000000006f9d8, R15: 0xffffff8003f83ce8
RFL: 0x0000000000010202, RIP: 0xffffff80002936b3, CS: 0x0000000000000008, SS: 0x0000000000000000
CR2: 0x0000000000000020, Error code: 0x0000000000000000, Faulting CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff808073b1e0 : 0xffffff8000220702
0xffffff808073b260 : 0xffffff80002c266d
0xffffff808073b400 : 0xffffff80002d7a1d
0xffffff808073b420 : 0xffffff80002936b3
0xffffff808073b540 : 0xffffff800029383b
0xffffff808073b560 : 0xffffff800029485b
0xffffff808073b590 : 0xffffff800027e44b
0xffffff808073b5f0 : 0xffffff7f811a44dd
0xffffff808073b630 : 0xffffff7f811a36c4
0xffffff808073b760 : 0xffffff8000328517
0xffffff808073b7b0 : 0xffffff80002e823b
0xffffff808073b8a0 : 0xffffff80003170ce
0xffffff808073b8d0 : 0xffffff80002ec664
0xffffff808073b9e0 : 0xffffff80002f0229
0xffffff808073ba50 : 0xffffff80002f0265
0xffffff808073ba80 : 0xffffff80004e6833
0xffffff808073bb50 : 0xffffff8000316ca3
0xffffff808073bba0 : 0xffffff80005a6e29
0xffffff808073bc30 : 0xffffff8000265675
0xffffff808073bc80 : 0xffffff80002651f3
0xffffff808073bcc0 : 0xffffff800026a62f
0xffffff808073bdc0 : 0xffffff800026cdb4
0xffffff808073bf40 : 0xffffff80002c1f0b
0xffffff808073bfb0 : 0xffffff80002d7941
      Kernel Extensions in backtrace:
         com.apple.BootCache(33.0)[7D74A237-77EF-359F-B1E2-CB1E602E8B9F]@0xffffff7f811a2 000->0xffffff7f811aafff
BSD process name corresponding to current thread: corestoraged
Boot args: 0x0
Mac OS version:
11C74
Kernel version:
Darwin Kernel Version 11.2.0: Tue Aug 9 20:54:00 PDT 2011; root:xnu-1699.24.8~1/RELEASE_X86_64
Kernel UUID: 59275DFA-10C0-30B3-9E26-F7B5DFB1A432
System model name: iMac8,1 (Mac-F227BEC8)
System uptime in nanoseconds: 46767492658
last loaded kext at 39979515424: com.apple.driver.AppleTyMCEDriver          1.0.2d2 (addr 0xffffff7f81930000, size 45056)
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com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AppleHDA          2.1.3f7
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.driver.AppleMCCSControl          1.0.26
com.apple.kext.ATIFramebuffer          7.1.2
com.apple.driver.AppleMuxControl          3.0.16
com.apple.driver.AppleBacklight          170.1.9
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.ATIRadeonX2000          7.1.2
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.1
com.apple.driver.AppleLPC          1.5.3
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.5d4
com.apple.driver.CoreStorageFsck          182.10
com.apple.driver.AppleIRController          312
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          33
com.apple.iokit.SCSITaskUserClient          3.0.1
com.apple.iokit.IOAHCIBlockStorage          2.0.1
com.apple.driver.AppleFWOHCI          4.8.9
com.apple.iokit.AppleYukon2          3.2.2b1
com.apple.driver.AppleUSBHub          4.5.0
com.apple.driver.AppleEFINVRAM          1.5.0
com.apple.driver.AppleRTC          1.4
com.apple.driver.AppleAHCIPort          2.2.0
com.apple.driver.AppleIntelPIIXATA          2.5.1
com.apple.driver.AppleUSBEHCI          4.5.0
com.apple.driver.AirPortBrcm43224          500.36.11
com.apple.driver.AppleUSBUHCI          4.4.5
com.apple.driver.AppleHPET          1.6
com.apple.driver.AppleACPIButtons          1.4
com.apple.driver.AppleSMBIOS          1.7
com.apple.driver.AppleACPIEC          1.4
com.apple.driver.AppleAPIC          1.5
com.apple.driver.AppleIntelCPUPowerManagementClient          167.0.0
com.apple.nke.applicationfirewall          3.2.30
com.apple.security.quarantine          1
com.apple.driver.AppleIntelCPUPowerManagement          167.0.0
com.apple.driver.AppleAVBAudio          1.0.0d11
com.apple.driver.AppleHDAHardwareConfigDriver          2.1.3f7
com.apple.driver.DspFuncLib          2.1.3f7
com.apple.driver.AppleBacklightExpert          1.0.3
com.apple.iokit.IOSurface          80.0
com.apple.iokit.IOFireWireIP          2.2.4
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleHDAController          2.1.3f7
com.apple.iokit.IOHDAFamily          2.1.3f7
com.apple.iokit.IOBluetoothSerialManager          4.0.1f4
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.iokit.IOAVBFamily          1.0.0d22
com.apple.iokit.IOEthernetAVBController          1.0.0d5
com.apple.iokit.IOAudioFamily          1.8.3fc11
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.ApplePolicyControl          3.0.16
com.apple.driver.AppleGraphicsControl          3.0.16
com.apple.iokit.IONDRVSupport          2.3.2
com.apple.kext.ATI2600Controller          7.1.2
com.apple.kext.ATISupport          7.1.2
com.apple.iokit.IOGraphicsFamily          2.3.2
com.apple.driver.AppleSMC          3.1.1d8
com.apple.driver.IOPlatformPluginFamily          4.7.5d4
com.apple.driver.AppleFileSystemDriver          13
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.1f4
com.apple.driver.AppleUSBBluetoothHCIController          4.0.1f4
com.apple.iokit.IOBluetoothFamily          4.0.1f4
com.apple.driver.CoreStorage          182.10
com.apple.iokit.IOUSBHIDDriver          4.4.5
com.apple.iokit.IOSCSIBlockCommandsDevice          3.0.1
com.apple.iokit.IOUSBMassStorageClass          3.0.0
com.apple.driver.AppleUSBMergeNub          4.5.3
com.apple.driver.AppleUSBComposite          3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.1
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.7
com.apple.iokit.IOCDStorageFamily          1.7
com.apple.driver.XsanFilter          403
com.apple.iokit.IOATAPIProtocolTransport          3.0.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.1
com.apple.iokit.IOFireWireFamily          4.4.5
com.apple.iokit.IOUSBUserClient          4.5.3
com.apple.iokit.IOAHCIFamily          2.0.7
com.apple.iokit.IOATAFamily          2.5.1
com.apple.iokit.IO80211Family          411.1
com.apple.iokit.IONetworkingFamily          2.0
com.apple.iokit.IOUSBFamily          4.5.3
com.apple.driver.AppleEFIRuntime          1.5.0
com.apple.iokit.IOHIDFamily          1.7.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          165.3
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          331
com.apple.iokit.IOStorageFamily          1.7
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.4
com.apple.iokit.IOPCIFamily          2.6.7
com.apple.iokit.IOACPIFamily          1.4
This is all double dutch to me.
Would anyone be able to help please???
Thank you very much !!
Dave

Hi, for other peoples information - I finally figured out the problem. It was actually a faulty RAM module which I had bought. I had upgraded from 2 to 4 gb of RAM using an approved type of RAM for my particular computer. Finally I removed one module of RAM (after doing nearly everything else under the sun including trying to reinstall the operating system and wipe the computer etc) and the computer worked fine.
Dave

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Issues with waking from "sleep" mode

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