My computer was restarted because of a problem ???

my imac kept restarting again , again. ?

anonymous uuid: a580aa19-6988-4c56-7d3c-b033e4cf50d4

wed oct 15 13:30:01 2014
panic(cpu 0 caller 0xffffff8013adc24e): kernel trap @ 0xffffff7f957a22bc, type 13=general protection, registers:
cr0: 0x0000000080010033, cr2: 0x00000001007d0000, cr3: 0x000000004d777002, cr4: 0x00000000000206e0
rax: 0xffffff7f959f8ed0, rbx: 0xffffff802f418400, rcx: 0x0000000000000000, rdx: 0x0000000000000000
rsp: 0xffffff818f3a38a0, rbp: 0xffffff818f3a38b0, rsi: 0x6c61206b63617473, rdi: 0xffffff802f418400
r8: 0xffffff81660b1c48, r9: 0x6c61206b63617473, r10: 0xffffff80366e7000, r11: 0x0000000000000000
r12: 0xffffff80140fdbc8, r13: 0x0000000000000000, r14: 0xffffff8166633bc8, r15: 0xffffff8166633bc8
rfl: 0x0000000000010246, rip: 0xffffff7f957a22bc, cs: 0x0000000000000008, ss: 0x0000000000000010
fault cr2: 0x00000001007d0000, error code: 0x0000000000000000, fault cpu: 0x0

backtrace (cpu 0), frame : return address
0xffffff816604ac50 : 0xffffff8013a22f79
0xffffff816604acd0 : 0xffffff8013adc24e
0xffffff816604aea0 : 0xffffff8013af3746
0xffffff816604aec0 : 0xffffff7f957a22bc
0xffffff818f3a38b0 : 0xffffff7f957a25da
0xffffff818f3a38e0 : 0xffffff7f957a2c53
0xffffff818f3a3940 : 0xffffff7f95795ce9
0xffffff818f3a3950 : 0xffffff7f958027cb
0xffffff818f3a3990 : 0xffffff7f9581bf78
0xffffff818f3a39e0 : 0xffffff7f95799371
0xffffff818f3a3a10 : 0xffffff7f9582423f
0xffffff818f3a3a50 : 0xffffff7f957994de
0xffffff818f3a3a80 : 0xffffff7f957a4e91
0xffffff818f3a3ae0 : 0xffffff7f95797b05
0xffffff818f3a3b70 : 0xffffff8013ecf9ca
0xffffff818f3a3b90 : 0xffffff8013ed052e
0xffffff818f3a3bf0 : 0xffffff8013ecdf7f
0xffffff818f3a3d40 : 0xffffff8013ab6998
0xffffff818f3a3e50 : 0xffffff8013a26bc1
0xffffff818f3a3e80 : 0xffffff8013a139c5
0xffffff818f3a3ef0 : 0xffffff8013a1e013
0xffffff818f3a3f70 : 0xffffff8013ac9b8d
0xffffff818f3a3fb0 : 0xffffff8013af3f66
kernel extensions in backtrace:
com.apple.iokit.ioacceleratorfamily(98.22)[befbb731-e445-3c05-ae76-b3e1af872601]@0xffffff7f9578e000->0xffffff7f957e6fff
dependency: com.apple.iokit.iopcifamily(2.9)[4662b11d-2eca-315d-875c-618c97cdab2a]@0xffffff7f940be000
dependency: com.apple.iokit.iographicsfamily(2.4.1)[75d81741-64c1-3941-adfa-9d6b6c434ee4]@0xffffff7f948f1000
com.apple.amdradeonx3000(1.2.4)[b2b8fddf-7aa0-397b-93f1-c35fdece2b6c]@0xffffff7f957f3000->0xffffff7f95b8efff
dependency: com.apple.iokit.ioacceleratorfamily(98.22)[befbb731-e445-3c05-ae76-b3e1af872601]@0xffffff7f9578e000
dependency: com.apple.iokit.iopcifamily(2.9)[4662b11d-2eca-315d-875c-618c97cdab2a]@0xffffff7f940be000
dependency: com.apple.iokit.iographicsfamily(2.4.1)[75d81741-64c1-3941-adfa-9d6b6c434ee4]@0xffffff7f948f1000

bsd process name corresponding current thread: windowserver

mac os version:
13e28

kernel version:
darwin kernel version 13.3.0: tue jun 3 21:27:35 pdt 2014; root:xnu-2422.110.17~1/release_x86_64
kernel uuid: bbfadd17-672b-35a2-9b7f-e4b12213e4b8
kernel slide: 0x0000000013800000
kernel text base: 0xffffff8013a00000
system model name: imac11,3 (mac-f2238bae)

system uptime in nanoseconds: 2056990033516
last loaded kext @ 1941651524219: com.apple.driver.appleintelmcereporter 104 (addr 0xffffff7f960ab000, size 49152)
last unloaded kext @ 2001893809596: com.apple.driver.appleintelmcereporter 104 (addr 0xffffff7f960ab000, size 32768)
loaded kexts:
com.apple.driver.applebluetoothmultitouch 80.14
com.apple.driver.audioauuc 1.60
com.apple.driver.applehwsensor 1.9.5d0
com.apple.driver.agpm 100.14.28
com.apple.filesystems.autofs 3.0
com.apple.iokit.iobluetoothserialmanager 4.2.6f1
com.apple.driver.applemikeyhiddriver 124
com.apple.driver.applehda 2.6.3f4
com.apple.driver.appleupstreamuserclient 3.5.13
com.apple.kext.amdframebuffer 1.2.4
com.apple.amdradeonx3000 1.2.4
com.apple.driver.applebacklight 170.3.5
com.apple.iokit.broadcombluetoothhostcontrollerusbtransport 4.2.6f1
com.apple.driver.applelpc 1.7.0
com.apple.driver.applemccscontrol 1.2.5
com.apple.kext.amd5000controller 1.2.4
com.apple.driver.applemikeydriver 2.6.3f4
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.applehwaccess 1
com.apple.driver.appleircontroller 325.7
com.apple.driver.appleusbcardreader 3.4.1
com.apple.applefscompression.applefscompressiontypedataless 1.0.0d1
com.apple.applefscompression.applefscompressiontypelzvn 1.0.0d1
com.apple.applefscompression.applefscompressiontypezlib 1.0.0d1
com.apple.bootcache 35
com.apple.iokit.scsitaskuserclient 3.6.6
com.apple.driver.xsanfilter 404
com.apple.iokit.ioahciblockstorage 2.6.0
com.apple.driver.appleusbhub 683.4.0
com.apple.driver.airport.atheros40 700.74.5
com.apple.driver.applefwohci 5.0.2
com.apple.driver.appleahciport 3.0.5
com.apple.iokit.applebcm5701ethernet 3.8.1b2
com.apple.driver.appleusbehci 660.4.0
com.apple.driver.applertc 2.0
com.apple.driver.appleacpibuttons 2.0
com.apple.driver.applehpet 1.8
com.apple.driver.applesmbios 2.1
com.apple.driver.appleacpiec 2.0
com.apple.driver.appleapic 1.7
com.apple.driver.appleintelcpupowermanagementclient 217.92.1
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.appleintelcpupowermanagement 217.92.1
com.apple.driver.applemultitouchdriver 245.13
com.apple.driver.applebluetoothhidkeyboard 170.15
com.apple.driver.iobluetoothhiddriver 4.2.6f1
com.apple.driver.applehidkeyboard 170.15
com.apple.kext.triggers 1.0
com.apple.iokit.ioserialfamily 10.0.7
com.apple.driver.dspfunclib 2.6.3f4
com.apple.veclib.kext 1.0.0
com.apple.iokit.ioaudiofamily 1.9.7fc2
com.apple.kext.osvkerndsplib 1.14
com.apple.iokit.ioacceleratorfamily 98.22
com.apple.driver.applebacklightexpert 1.0.4
com.apple.iokit.iondrvsupport 2.4.1
com.apple.iokit.iobluetoothhostcontrollerusbtransport 4.2.6f1
com.apple.iokit.iofirewireip 2.2.6
com.apple.driver.applehdacontroller 2.6.3f4
com.apple.iokit.iohdafamily 2.6.3f4
com.apple.kext.amdsupport 1.2.4
com.apple.applegraphicsdevicecontrol 3.6.22
com.apple.driver.applesmbuscontroller 1.0.12d1
com.apple.driver.applesmbuspci 1.0.12d1
com.apple.driver.ioplatformpluginlegacy 1.0.0
com.apple.driver.ioplatformpluginfamily 5.7.1d6
com.apple.iokit.iosurface 91.1
com.apple.iokit.iographicsfamily 2.4.1
com.apple.iokit.iobluetoothfamily 4.2.6f1
com.apple.driver.applesmc 3.1.8
com.apple.iokit.iousbhiddriver 660.4.0
com.apple.iokit.ioscsiblockcommandsdevice 3.6.6
com.apple.iokit.iousbmassstorageclass 3.6.0
com.apple.driver.appleusbmergenub 650.4.0
com.apple.driver.appleusbcomposite 656.4.1
com.apple.iokit.ioscsimultimediacommandsdevice 3.6.6
com.apple.iokit.iobdstoragefamily 1.7
com.apple.iokit.iodvdstoragefamily 1.7.1
com.apple.iokit.iocdstoragefamily 1.7.1
com.apple.iokit.ioahciserialatapi 2.6.1
com.apple.iokit.ioscsiarchitecturemodelfamily 3.6.6
com.apple.iokit.io80211family 640.36
com.apple.iokit.iousbuserclient 660.4.2
com.apple.iokit.iofirewirefamily 4.5.5
com.apple.iokit.ioahcifamily 2.6.5
com.apple.iokit.ioethernetavbcontroller 1.0.3b4
com.apple.driver.mdnsoffloaduserclient 1.0.1b5
com.apple.iokit.ionetworkingfamily 3.2
com.apple.iokit.iousbfamily 683.4.0
com.apple.driver.appleefinvram 2.0
com.apple.driver.appleefiruntime 2.0
com.apple.iokit.iohidfamily 2.0.0
com.apple.iokit.iosmbusfamily 1.1
com.apple.security.sandbox 278.11.1
com.apple.kext.applematch 1.0.0d1
com.apple.security.tmsafetynet 7
com.apple.driver.applekeystore 2
com.apple.driver.diskimages 371.1
com.apple.iokit.iostoragefamily 1.9
com.apple.iokit.ioreportfamily 23
com.apple.driver.applefdekeystore 28.30
com.apple.driver.appleacpiplatform 2.0
com.apple.iokit.iopcifamily 2.9
com.apple.iokit.ioacpifamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.pthread 1
model: imac11,3, bootrom im112.0057.b01, 2 processors, intel core i3, 3.2 ghz, 12 gb, smc 1.59f2
graphics: ati radeon hd 5670, ati radeon hd 5670, pcie, 512 mb
memory module: bank 0/dimm0, 2 gb, ddr3, 1333 mhz, 0x80ad, 0x484d54313235533654465238432d48392020
memory module: bank 1/dimm0, 2 gb, ddr3, 1333 mhz, 0x80ad, 0x484d54313235533654465238432d48392020
memory module: bank 0/dimm1, 8 gb, ddr3, 1333 mhz, 0x8502, 0x505341333847313333333253000000000000
airport: spairport_wireless_card_type_airport_extreme (0x168c, 0x8f), atheros 9280: 4.0.74.0-p2p
bluetooth: version 4.2.6f1 14216, 3 services, 23 devices, 1 incoming serial ports
network service: wi-fi, airport, en1
serial ata device: st31000528as, 1 tb
serial ata device: optiarc dvd rw ad-5680h
usb device: hub
usb device: brcm2046 hub
usb device: bluetooth usb host controller
usb device: internal memory card reader
usb device: hub
usb device: usb2.0 hub
usb device: ir receiver
usb device: built-in isight
thunderbolt bus:

 

have added or changed memory?

 

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