Experiencing the same as countless others. The macbook won't boot up after a restart subsequent to El Capitan's install. Any help is appreciated. Thank you
-bash-3.2# ls -1 Library/Extensions/
ACS6x.kext
ATTOCelerityFC8.kext
ATTOExpressSASHBA2.kext
ATTOExpressSASRAID2.kext
ArcMSR.kext
CalDigitHDProDrv.kext
HighPointIOP.kext
HighPointRR.kext
PromiseSTEX.kext
SoftRAID.kext
hp_io_enabler_compound.kext
-bash-3.2# ls -1 Library/Application\Support/VirtualBox/
ls: Library/ApplicationSupport/VirtualBox/: No such file or directory
-bash-3.2# find System/Library/Extensions -ctime + 10w -depth 2
find: -ctime: +: illegal time value
-bash-3.2# tail -10 var/log/system.log
Oct 2 16:02:05 Dilbarjani-MacBook-Pro syncdefaultsd[1093]: com.apple.wifi.WiFiAgent has been removed from syncing apps.
Oct 2 16:02:05 Dilbarjani-MacBook-Pro sessionlogoutd[1650]: DEAD_PROCESS: 94 console
Oct 2 16:02:05 Dilbarjani-MacBook-Pro sharingd[849]: 16:02:05.344 : SCDynamicStoreCopyConsoleUser returned NULL
Oct 2 16:02:08 Dilbarjani-MacBook-Pro UserEventAgent[1649]: Failed to copy info dictionary for bundle /System/Library/UserEventPlugins/alfUIplugin.plugin
Oct 2 16:02:09 Dilbarjani-MacBook-Pro loginwindow[94]: Keyboard Layouts: duplicate keyboard layout identifier -18000.
Oct 2 16:02:09 Dilbarjani-MacBook-Pro loginwindow[94]: Keyboard Layouts: keyboard layout identifier -18000 has been replaced with -28675.
Oct 2 16:02:10 Dilbarjani-MacBook-Pro UserEventAgent[1649]: com.apple.TMHelperAgent.SetupOffer enabled
Oct 2 16:02:11 Dilbarjani-MacBook-Pro UserEventAgent[1649]: user agent networkd: built Aug 22 2015 17:52:51
Oct 2 16:02:11 Dilbarjani-MacBook-Pro UserEventAgent[1649]: received an unknown event from daemon
Oct 2 16:02:12 Dilbarjani-MacBook-Pro shutdown[1653]: reboot by faizanshaikh:
-bash-3.2# find Library/Logs/DiagnosticReports -name *.panic -ctime -1w
-bash-3.2#
MacBook Pro (13-inch Mid 2009), OS X El Capitan (10.11)