Disk failure and Backup procedures

tl;dr: recommendations for data recovery software on a failing hard drive?
Hello Forum,
I have a PC with two drives, an 1TB HD with /home mounted on it and a 40GB SSD with everything else.
At some point working on a document, I had trouble saving it and the applications started to stutter. I immediately checked dmesg wich returned a bunch of errors so I proceeded to turn off the machine.
I disconnected the /home HD and I can boot in "emergency mode" as root. The relevant system logs ( # journalctl --since=2013-01-29 | grep sdb) show as much as 50 times per second the following lines:
sd 3:0:1:0: [sdb] Unhandled error code
sd 3:0:1:0: [sdb]
sd 3:0:1:0: [sdb] CDB:
Also, when it all started, there were a lot of lines mentioning
Buffer I/O error on device sdb3, logical block 7555XXXX
Where XXXX just kept increasing one by one.
Is that sure sign of a physical failure or can these symptoms arise from other causes?
As I am presuming a physical failure, I am planning to buy tomorrow another HD of the same size and try to recover the maximum possible amount of data. I have read on the Internet that the first thing would be to try to image it, maybe using several runs of an imaging software.
Do you know of a good software to do this type of work?
Cheers,
-- adelgado

First: Boot from a live-cd, to prevent unnecessary mounting of your disks (System Rescue CD comes with ddrescue).
"dd" is usually recommended for imaging. However, you might want to take a look at ddrescue instead. ddrescue is more resistant to read-errors, and I higly recommend using its log-feature - Take a look at its homepage.
Here's a bit more about imaging hard drives with ddrescue.
NB: There is another program called dd_rescue, which I have no experience with.
Last edited by graph (2013-01-26 21:24:01)

Similar Messages

Music Files Deleted After Hard Disk Failure and First Sync After Hard Disk

Hi,
I recently had a hard disk failure and lost all of the data on my hard drive. I replaced the hard drive and reinstalled all of the software including iTunes. I am running Windows XP Home. The first time I plugged my iPod Nano into my computer after the hard drive replacement it synced to iTunes and since iTunes had no music files it deleted all of the music files on my Nano. How do I get them back and why on earth would iTunes do such a stupid thing??? My Nano contained many songs that I bought from iTunes and I want to get them back. I have found some third party software that will undelete the deleted files but it costs $69. I don't feel that I should have to pay to correct a defective feature in iTunes. Does Apple have an undelete utility? Can I redownload the songs that I purchased from iTunes?

*The first time I plugged my iPod Nano into my computer after the hard drive replacement it synced to iTunes*
When you connected did you get a message that your iPod was linked to another library, and then press Erase and Sync? When an iPod is set to update automatically and you connect to a computer with an empty iTunes and accept the message above it will erase the originals completely (as you have discovered). Also as you've seen, none of the recovery programs are particularly cheap so you have to decide if in your particular circumstances it's worth it to get your songs back. It may be if you have a lot of purchased tracks which you will have to pay to download again. If they came primarily from your CDs then it's most likely not as you can re-rip them.
*Can I redownload the songs that I purchased from iTunes?*
If you didn't make a back-up of your purchases to restore from then I'm sorry to say that the policy on lost purchases is that you have to pay to download them again:
"Once a Product is purchased and you receive the Product, it is your responsibility not to lose, destroy, or damage the Product, and Apple shall be without liability to you in the event of any loss, destruction, or damage." iTunes Store: Purchased content can be downloaded only once
You could try contacting the iTunes Music Store Customer Service and you might be able to persuade them to sanction a second free download. There have been occasional reports in the iTunes forum of this happening, however just be aware that they are not under any obligation to do so. If you click on any of the links on this page you'll find a space at the bottom to email your query: iTMS Customer Service

Disk failure and no Time Machine backup

Hi, I had hard disk failure on my iMac and I don't have Time Machine or any other backup.
By press 'Option' key, I may access Disk Utility, but failed if trying to verify or repair disk (see photo), and it asked me to '...Backup as many of your files as possible...'
I also tried to 'Reinstall OS X' via Internet, but the Mac seems getting frozen (spinning beachball) at 'Loading Installation Information' (see photo)
Could anyone please tell me how to '...Backup as many of your files as possible...'???
Do I have to disassemble iMac and pull the hard disk out......?
Thanks

Removal of the disk drive sounds like your only hope of recovery any data
You are probably going to need recovery software because it sounds like the directory is totally corrupted.
You can find information about a bunch of them at http://mac-data-recovery-software.esoftreviews.com
If the recovery software is not able to recovery enough of your data, there are services that can do that for you. But expect to pay big bucks for that, think like $$$$.
You are going to implement a backup plan after this episode?

Hard Disk Failure, No Backup, OUCH!

I have suffered a fatal hard disk failure on one of my drives and I had to buy a new disk. Due to the nature of the striping RAID-0 array I use the other disk is rendered useless and I lost everything. Must reformat and reload software which is a lot of work but is at least possible. That operation is ongoing as we speak. It's the lost data that really hurts. Lesson learned. Conduct regular backups. "OK ComputerGods, I hear you now...I repent."
Here's my problem for this forum. I had roughly 2,500 songs on my iTunes which were ripped from my own CDs. The ripping operation took a lot of time and energy to do. Like I said I don't have a computer backup of those songs. I still have the CDs of course but I would like to avoid spending all that time and effort ripping again. I need to move my iTunes account to the new disk anyway and I'm not sure exactly how to procede and more importantly I have no idea how to retrieve the (ripped) songs from my iPod and get them back onto the new disk. I already know that I can simply reload the music I bought on iTunes. That's not the issue. It's the 2,500 or so songs I ripped that I don't want to lose.
So my questions are:
1) How to move iTunes account to (basically a new machine) without starting from scratch?
2) How to salvage the ripped music I already have on my iPod and get it back onto my computer?

*How to salvage the ripped music I already have on my iPod and get it back onto my computer?*
iTunes has an option to copy your iTunes Store purchases directly from an iPod to the computer, you'll find details in this article: Copying iTunes Store purchases from your iPod or iPhone to a computer
For everything else (music from CDs, other downloads etc) there are a number of third party utilities that you can use to retrieve the music files and playlists from your iPod. You'll find that they have varying degrees of functionality and some will transfer movies, videos, photos, podcasts and games as well. You can read reviews and comparisons of some of them here:
iTunes & iPod software
Wired News - Rescue Your Stranded Tunes
Comparison of iPod managers
A selection of iPod to iTunes utilities:
TuneJack Windows Only (iPhone and iPod Touch compatible)
SharePod Windows Only (iPhone and iPod Touch compatible)
iPod2PC Windows Only
iDump Windows Only
YamiPod Mac and Windows
iPod Music Liberator Mac & Windows
Floola Mac & Windows
iPodRip Mac & Windows (iPhone and iPod Touch compatible)
iPod Music Liberator Mac & Windows (iPhone and iPod Touch compatible)
Music Rescue Mac & Windows (iPhone and iPod Touch compatible)
iGadget Mac & Windows (iPhone and iPod Touch compatible)
iRepo Mac & Windows (iPhone and iPod Touch compatible)
iPod Access Mac & Windows (iPhone and iPod Touch compatible)
TouchCopy Mac & Windows (iPhone and iPod Touch compatible)
There's also a manual method of copying songs from your iPod to a Mac or PC. The procedure is a bit involved and won't recover playlists but if you're interested it's available on page 2 at this link: Copying Content from your iPod to your Computer - The Definitive Guide

Toshiba Satellite L650-07U, Hard disk failure and replacement

Hi all,
I have Toshiba Satellite L650-07U Laptop, Model: PSK1EC-0700Q with 4GB RAM, 650GB HD, Windows 7 Home Premium installed. At the time of first use, i made Recovery DVDs which took 4 blank DVDs using Recovery media creator.
From 2 weeks it is giving problem, at start its slowdown with every application, then suddenly it started Hard disk failure error and ask to backup important files. From that instant i did all my backup save in another portable Hard drive.
I had hiren boot CD, and ran RAM test and found it OK, and then run Hard Disk test and found few bad sectors at few certain point, As 650GB Hard disk was taking alot time of time for checking bad sectors, so i stopped that application.
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I checked all partitions of drive using Hiren Boot CD, and had found that there are four default partitions in Toshiba original laptop drive,
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One hidden partition of almost 21 GB
One hidden partition of almost 12 GB
One partition of 561 GB, which was the original partition where windows 7 was installed along with all of my Data.
Now I want to replace faulty drive with a new one and have a lot of question in my mind which I need to share with you guys.
At the time of first use I installed Windows 7 64 bit edition, and made Recovery DVDs, and at second time of restore to factory setting I had installed Windows 7 32 bit. I have confusion about recovery DVDs (which is not booting from default DVD-Writer of Laptop), either it has 64 Bit recovery data or 32 bit? Or have both 64 and 32 bit Data.
Toshiba restore to factory setting without using any recovery DVD/USB is the best possible way to restore Windows 7, How can I make same recover hidden partitions from original/faulty hard drives to new hard drive partitions? Is this possible and how?
On Default hard drive there was one partition of 561GB instead of two or more partitions. Is this possible to split partitions in new hard drives instead of one big partition?
As Recovery DVDs are not able to boot from laptop default DVD-Writer, is it possible to open those DVDs on another System and copy tem in USB drive and use it for booting? If it is possible than please show me the steps for making bootable USB from these Recovery DVDs.
Thanks,
masterleous
Solved!
Go to Solution.

Satellite L650-07U (PSK1EC-07U00Q)
This site is for US computers. I doubt you'll get your questions for that Canadian model answered here.
There appear to be two recovery partitions. Maybe one for 32- and one for 64-bit Windows. Or maybe one is for English and the other for French.
Your User's Manual isn't much help either. You probably need to ask Toshiba tech support in Canada.
About all I have to offer is this: Be wary of drives with advanced-format technology. See my message about that.
-Jerry

G72 Hard Disk Failure and Replacement

I have had a HP g72 laptop for just over two years. Within the first year, right before the warranty expired, I had a charging issue that was resolved under warranty. Last year, I began to get warnings on startup that I had an imminent hard disk failure. I backed up most of the important things on my computer and kept using. Finally, it seems that my hard drive has failed for good. I have tried to restart my computer about 10 times and everytime I get the same message: insert boot disk and press any key. I am contemplating replacing the hard drive instead of the whole computer, but I am not sure what I need to do. Also, if this is such a problem, why hasn't HP done anything to fix it. It has been so frustrating with my HP laptops that I am considering going to another company. HELP!

Hard drives fail. That is why backup is so critical. HP does not even make hard drives so I am not sure what they could do to fix the general issue that hard drives are about the most fragile piece of technology that most people encounter.
You can get a replacement hard drive for under $75. This one would be good:
http://www.newegg.com/Product/Product.aspx?Item=N82E16822145455
Here is the Manual:
Manual
Hard drive replacement instructions start on page 4-8.
Did you make recovery disks? If not we can direct you to a place to download a Windows 7 image to use with your Key Code to replace your software.

A10 Hard disk failure and replacement - How do I use Recovery Disks?

I have a Satellite Pro A10 which has suffered a hard disk failure. I have replaced the hard disk drive (with a non-toshiba drive) but cannot load the operating sysytem etc from the recovery disks supplied with the computer when new. When starting the computer up with recovery disk No 1 in the CD drive I get the message "Invalid system disk, Replace the disk and then press any key" Any suggestions as to the remedy would be most welcome.

Hello Tony
Please check at first if your new HDD is properly recognized by BIOS. It yes you should prepare the HDD for installation. I recommend you to use some tool and make a partition on new HDD. If you want you can format it before you start the installations procedure.
I am pretty sure that after that the recovery installation can be done successfully.
Bye

Hard disk failure and warranty

I bought my Macbook in September '07, without the extended Apple Care warranty. My hard disk recently failed--after the computer shut itself off while attempting to wake from sleep while the DVD player was open and paused. (This particular sequence had happened before, without the subsequent hard disk failure.) Now I boot from my firewire backup, and disk utility and even the OSX install disk cannot find the internal drive. Instead I just hear this sound like a limping bird from that corner of the case.
At any rate, since my computer as a whole is outside the 1-yr warranty by now, I wanted to ask--can individual parts carry their own warranty, as well? Because this Macbook is still only lightly used, and it seems silly to suffer such a fate so soon.

Early hard drive failures tend to be random in nature. Of course older hard drives tend to suffer exponentially higher failure rates as the parts wear. I've had little used hard drives crash after less than 6 months. It just happens.
Unfortunately for you, the warranty isn't based on amount of use, but time from the date of purchase. Still - the cost of aftermarket replacement drives is so low that you could probably just purchase a new one at an almost nominal cost. You could by an equivalent replacement for about $60. You've already got the backup, so cloning it back to the new drive should be something you already know how to do.

Disk Image and Backups

I need an expert response here... I need it to be objective as possible to the goal that I am trying to accomplish and that is the following. I want to be able to create a system backup wherever I am in the world in as short a period of time without the install DVD's. What is the best way?
For example can I create a disk image of my hard drive using Disk Utility? If so, and I encounter a catastrophic failure, and I have that disk image on DVD or a external FireWire drive could I just reload that image and then be back up and running? If that is true, what would be the process using Disk Utility to create that image and the process to restore it as well? Please provide as detailed info as possible about the process?
Now I do regular backups using Time Machine. But does Time Machine afford me the same opportunity as a disk image? For example if I encounter a failure, can the external drive that I am using for Time Machine create a complete system restore without the install DVD? Or is the disk image the only way?
I do understand that with the disk image I would always have to be updating it to make sure I have the latest files. However, as it stands right now, I have all essential files that I would need already on my hard drive ready for the disk image if that is the way to go. All my other files would be on my iDisk or external Hard Drive. I appreciate anyone who can shed some light here.
I did some digging on the support.apple.com site and I also wondered will I always need the install DVD to get to Disk Utility or is there another way with the DVD?
Mike
Message was edited by: Michael710
Message was edited by: Michael710

Michael710 wrote:
I did some digging on the support.apple.com site and I also wondered will I always need the install DVD to get to Disk Utility or is there another way with the DVD?
What you will always need to run Disk Utility is:
1. A functioning OS
2. A copy of Disk Utility on accessible media
Put another way, Disk Utility is an application. No application can stand alone -- they all depend on an operating system being up & running to supply the essential services they need.
This means you can't just "reload" an image without first booting into a working OS from some source. This could be the installer DVD, a flash drive with the OS installed on it, or an external drive. It can't be the internal drive if it has problems.
Since you have to have a separate source for both the OS & Disk Utility, you might as well consider the clone option already mentioned. The downside is that this requires a large enough external drive to hold everything, so a cheap flash drive probably won't suffice. The upside is you don't have to image or restore anything -- just boot from the clone & keep working, repairing/restoring the internal drive whenever it is convenient.

Encrypted Disk Image and Backup

If one uses Apple’s Disk Utility to create an encrypted disk image, what happens when SuperDuper, Time Machine, or any other backup utility is running while the (unencrypted) image is mounted on the desktop?
Are both the encrypted image and the unencrypted data transferred to the backup device? Or is just the secure encrypted data copied to the destination?
Nothing urgent on this, just curious. Thank you!

I've played around with this a little. As best I can tell, when cloning an entire HD volume both CCC and SuperDuper will always copy an image file (.dmg, .sparsebundle, etc) that resides that on that HD, whether or not that file's disk image is mounted at the time. However the contents of the mounted disk image volume will not be copied separately, and so If the disk image is encrypted, no unencrypted content will get transferred this way. However as mentioned in the SuperDuper link above, it's better to unmount the image in any event, in order to ensure that the underlying .dmg or .sparsebundle file gets copied faithfully.
If you want to copy the contents of a mounted disk image with CCC or SuperDuper, you can do so as a completely separate procedure from copying the HD. If you first mount the image (giving a password if it was encrypted), that mounted image will appear as an independent volume in the "source list" of CCC or SuperDuper, and you can choose that volume as a source for the copy procedure. You would need to designate a different target volume as well, so as not to overwrite your HD clone. If the disk image was encrypted and you deliberately copy its mounted image separately in this fashion, the resulting files on the target will not be encrypted.

Hard disk failure and replacement

got
hello, i own HP-G6-2005AX.My problem is that my hard disk is creating problem, the system does'nt boots up, when i contacted HP customer care, they told me to run hard disk dst test, the test took 3 hrs and gave result as failure.
i am posting its screenshot as well..they told me to send that snapshot to them, and that my harddisk will be replaced, i wanted to ask that this hard disk(Toshiba), is very slow and not good,(this gave me problem in just 8 months), while my another hp laptop with samsung hard disk installed is working still fine..!
so if it is being replaced can i get it replaced it with samsung one..?..(i can give difference in price)..or can i get same hard disk of 1TB...(older one is 500GB)..?
thank you in advance..

Here are the specs for you HP Pavilion g6-2005ax Notebook Computer. Under warranty service, HP will replace the hard drive with a comparable drive of their choice. That is to say that HP will replace the drive with what is in stock at the service center and is at least as large as the original drive. HP will not accept money for an upgraded hard drive under warranty replacement.
Hopefully you created your personal set of HP Recovery Discs when you first setup your computer. If you failed to create this set of discs or a comparable USB Recovery Flash drive, you will need to request HP Recovery Discs for your computer as well.
Please send KUDOS
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
HP 15t-j100 (on loan from HP)
HP 13 Split x2 (on loan from HP)
HP Slate8 Pro (on loan from HP)
HP a1632x - Windows 7, 4GB RAM, AMD Radeon HD 6450
HP p6130y - Windows 7, 8GB RAM, AMD Radeon HD 6450
HP p6320y - Windows 7, 8GB RAM, NVIDIA GT 240
HP p7-1026 - Windows 7, 6GB RAM, AMD Radeon HD 6450
HP p6787c - Windows 7, 8GB RAM, NVIDIA GT 240

Disk size and backups

Hello
I wander what is required disk size on hana when migrating from e.g Oracle to Hana?
E.g under oracle I have 1Tb database (and something more if I backup also at OS level)
What will I have under Hana ? How much to backup?
Thank you a lot
Jan

Dear Jan,
The first thing we need to perform before migrating from AnyDb to HANA is memory sizing. SAP provides specific notes for memory sizing of different SAP Applications as mentioned bel ow
1793345 - Sizing for SAP Suite on HANA
1637145 - SAP BW on HANA: Sizing SAP In-Memory Database
1872170 - Suite on HANA memory sizing
1736976 - Sizing Report for BW on HANA
The objective if the the above is to get the footprint of uncompressed DATA in AnyDB.
That forms one of the parameter for sizing the HANA DB.
Based on this sizing information one would use the suitable T-Shirt sized HANA Appliance from the hardware vendor. We then have to apply the
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The compression factor might be around 4-7 times depending on the type SAP application.
Regards
Arshad

CSV disk signature and backup

I would like to be able to take a snapshot backup of a CSV directly from my SAN and mount it back into the cluster in orer to recover files.
Right now, if i do this, the cluster detects the disk as a CSV (presumably a pre-existing CSV), i guess there is a signature on the disk identifying it as a particular cluster shared volume. This makes perfect sense.
Is there some way of remove this signature\ID, to ostensibly allow me to have two copies if the same disk mounted at any one time? I.e. one as CSV, which remains unaffected and in use, and one as a 'normal' disk which i can mount and assign a drive letter
to?
Cheers.

Mount the disk on a standalone system and use diskpart to change the signature, then mount the disk with the changed signature on the cluster.
DISKPART> list disk
DISKPART> uniqueid disk (get current signature)
DISKPART> select disk ID
DISKPART> uniqueid disk ID=[NEW SIGNATURE]
. : | : . : | : . tim

JBOD disk failure and lost items

Dear.
We have a JBOD solution with 4 copies. Each copy is on a non-redundant disk.
For SMTP, the transport database has a shadow transport database and shadow safetynet on another server, which makes sure that a message isn’t lost in the event of a database crash at the moment that the SMTP message is being written to the database.
Is there some protection mechanism for MAPI or when an Outlook client is writing a contact or a meeting appointment a few seconds before the crash? I suppose that the appointment has been lost
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Or, is there some end-to-end mechanism that returns the Outlook client that the appointment has been saved only when it’s already replicated to a copy database?
Thanks for the feedback.
Regards.
Peter
Peter Van Keymeulen, IT Infrastructure Solution Architect, www.edeconsulting.be

I found the following about the Block Mode replication:
"In block mode, as transactions are written into the ESE log buffer (the 1 MB cache used to accumulate transactions to be written into a transaction log), the log copier copies the data asynchronously (effectively in
parallel) to all the servers that hold a database copy. The data are written into a similar log buffer on these servers.
When the log buffer on the receiving servers is full, the complete buffer is written out as a transaction log. The new log is inspected to ensure that it is not corrupt, and if this check passes, the log is inserted into the
log stream to be replayed into the passive database."
So, can we decide that, in block mode, each change on the active database comes into the log buffer (in memory) and directly copied to the log buffer on the copy servers? The log copier copies the data from the source buffer directly to the receive buffer,
in real time. When the receive buffer reaches a 1 MB size, it writes a transaction log file that will be inspected and processed. This means that we potentially can lose data of a few milliseconds only?
Peter Van Keymeulen, IT Infrastructure Solution Architect, www.edeconsulting.be

Disk failures and & Kernal Panics

I had to reformat my HD 3 times due to the disk getting corrupt. Each time I have gone into recovery mode to try and repair the disk and received errors saying disk is beyond repair back up your data and reinstall the os. I took my mbp to apple and they ran test and told me that the recovery partition was corrupt. So they reformatted the entire HD and loaded osx 10.8 back on. Now I am receiving k-panic reports every day, any suggestions?
Here's the k-panic report:
Interval Since Last Panic Report: 30476 sec
Panics Since Last Report:          2
Anonymous UUID:                    745B2E3F-5D39-66DA-7C79-8FAC1245E10C
Sat Nov 24 06:55:05 2012
panic(cpu 0 caller 0xffffff8029073584): "VMSEL: INSERT FAILED: 0x11f561000, 0x11f58e000, 0x11f55a000, 0x11f65b000"@/SourceCache/xnu/xnu-2050.18.24/osfmk/vm/vm_map_store_rb.c:106
Backtrace (CPU 0), Frame : Return Address
0xffffff8119eb3d00 : 0xffffff802901d626
0xffffff8119eb3d70 : 0xffffff8029073584
0xffffff8119eb3da0 : 0xffffff8029067ca6
0xffffff8119eb3ef0 : 0xffffff802908f822
0xffffff8119eb3f40 : 0xffffff8029018a75
0xffffff8119eb3f70 : 0xffffff80290a5b16
0xffffff8119eb3fb0 : 0xffffff80290ced53
BSD process name corresponding to current thread: WindowServer
Mac OS version:
12C60
Kernel version:
Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64
Kernel UUID: 69A5853F-375A-3EF4-9247-478FD0247333
Kernel slide:     0x0000000028e00000
Kernel text base: 0xffffff8029000000
System model name: MacBookPro8,1 (Mac-94245B3640C91C81)
System uptime in nanoseconds: 28190173413499
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last unloaded kext at 3304465490823: com.apple.iokit.IOUSBMassStorageClass          3.5.0 (addr 0xffffff7fa986c000, size 69632)
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com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.iokit.IOBluetoothSerialManager          4.0.9f33
com.apple.filesystems.autofs          3.0
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AGPM          100.12.69
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.3.1f2
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleBacklight          170.2.3
com.apple.driver.AppleIntelHD3000Graphics          8.0.0
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.AppleMikeyDriver          2.3.1f2
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleSMCLMU          2.0.2d0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.2.11
com.apple.driver.AppleIntelSNBGraphicsFB          8.0.0
com.apple.driver.SMCMotionSensor          3.0.2d6
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com.apple.driver.AppleIRController          320.15
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
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com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.2
com.apple.driver.AppleUSBHub          5.2.5
com.apple.driver.AirPort.Brcm4331          602.15.22
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleSDXC          1.2.2
com.apple.iokit.AppleBCM5701Ethernet          3.2.5b3
com.apple.driver.AppleAHCIPort          2.4.1
com.apple.driver.AppleFWOHCI          4.9.6
com.apple.driver.AppleUSBEHCI          5.4.0
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleACPIButtons          1.6
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.6
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.3.1f2
com.apple.iokit.IOAudioFamily          1.8.9fc10
com.apple.kext.OSvKernDSPLib          1.6
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.2.0d16
com.apple.iokit.IOSurface          86.0.3
com.apple.iokit.IOBluetoothFamily          4.0.9f33
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleGraphicsControl          3.2.11
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.3.5
com.apple.driver.AppleHDAController          2.3.1f2
com.apple.iokit.IOHDAFamily          2.3.1f2
com.apple.iokit.IOGraphicsFamily          2.3.5
com.apple.driver.AppleSMC          3.1.4d2
com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
com.apple.driver.AppleUSBMultitouch          235.7
com.apple.iokit.IOUSBHIDDriver          5.2.5
com.apple.driver.AppleUSBMergeNub          5.2.5
com.apple.driver.AppleUSBComposite          5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOAHCISerialATAPI          2.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
com.apple.driver.AppleThunderboltNHI          1.6.0
com.apple.iokit.IOThunderboltFamily          2.1.1
com.apple.iokit.IOUSBUserClient          5.2.5
com.apple.iokit.IO80211Family          500.15
com.apple.iokit.IOEthernetAVBController          1.0.2b1
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOAHCIFamily          2.2.1
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOUSBFamily          5.4.0
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.8.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          344
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.21
com.apple.driver.AppleACPIPlatform          1.6
com.apple.iokit.IOPCIFamily          2.7.2
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
Model: MacBookPro8,1, BootROM MBP81.0047.B27, 2 processors, Intel Core i5, 2.3 GHz, 8 GB, SMC 1.68f98
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x8634, 0x535550455254414C454E5430320000000000
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x8634, 0x535550455254414C454E5430320000000000
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.81.22)
Bluetooth: Version 4.0.9f33 10885, 2 service, 18 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: Hitachi HTS545032B9A302, 320.07 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 3
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0245, 0xfa120000 / 5
USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 7
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3

Given nothing very specific to see, I'd say you may have a hardware issue, in particular I'd check your RAM as a start. Do you have any third-party peripherals attached? If so then I would remove them. You might also try booting into Safe Mode and see if that helps.

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