我已将mac mini的RAM从4GB升级到6 GB，之后我的机器出现意外情况，
1）像Xcode一样经常崩溃。 2）系统关闭 3）重新启动机器后，现在Xcode没有启动并显示以下错误 -
xcode在使用DVTKit插件时意外退出
细节是 -
Process: Xcode [427]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 6.0.1 (6528)
Build Info: IDEFrameworks-6528000000000000~2
Code Type: X86-64 (Native)
Parent Process: launchd [158]
Responsible: Xcode [427]
User ID: 501
PlugIn Path: /Applications/Xcode.app/Contents/SharedFrameworks/DVTKit.framework/Versions/A/DVTKit
PlugIn Identifier: com.apple.dt.DVTKit
PlugIn Version: 6.0.1 (6528)
Date/Time: 2014-12-24 17:05:01.324 +0530
OS Version: Mac OS X 10.9.5 (13F34)
Report Version: 11
Anonymous UUID: B8C91A53-C5EC-FA02-FFAF-17A5CF642475
Crashed Thread: 0
Exception Type: EXC_BAD_ACCESS (Code Signature Invalid)
Exception Codes: 0x0000000000000032, 0x000000011059e010
kernel messages:
-0 sec CODE SIGNING: cs_invalid_page(0x11059e000): p=427[Xcode] final status 0x1000200, denying page sending SIGKILL
-0 sec CODE SIGNING: process 427[Xcode]: rejecting invalid page at address 0x11059e000 from offset 0x316000 in file "/Applications/Xcode.app/Contents/SharedFrameworks/DVTKit.framework/Versions/A/DVTKit" (cs_mtime:1410914376.0 == mtime:1410914376.0) (signed:0 validated:0 tainted:1 wpmapped:0 slid:0)
VM Regions Near 0x11059e010:
__TEXT 0000000110288000-0000000110590000 [ 3104K] r-x/rwx SM=COW /Applications/Xcode.app/Contents/SharedFrameworks/DVTKit.framework/Versions/A/DVTKit
--> __DATA 0000000110590000-0000000110653000 [ 780K] rw-/rwx SM=COW /Applications/Xcode.app/Contents/SharedFrameworks/DVTKit.framework/Versions/A/DVTKit
__DATA 0000000110653000-0000000110654000 [ 4K] rw-/rwx SM=NUL /Applications/Xcode.app/Contents/SharedFrameworks/DVTKit.framework/Versions/A/DVTKit
Application Specific Information:
dyld: launch, loading dependent libraries
/Applications/Xcode.app/Contents/MacOS/../SharedFrameworks/DVTKit.framework/Versions/A/DVTKit
Thread 0 Crashed:
0 dyld 0x00007fff67d883d0 ImageLoaderMachOCompressed::rebase(ImageLoader::LinkContext const&) + 1456
1 dyld 0x00007fff67d80200 ImageLoader::recursiveRebase(ImageLoader::LinkContext const&) + 126
2 dyld 0x00007fff67d801dc ImageLoader::recursiveRebase(ImageLoader::LinkContext const&) + 90
3 dyld 0x00007fff67d7fa12 ImageLoader::link(ImageLoader::LinkContext const&, bool, bool, bool, ImageLoader::RPathChain const&) + 142
4 dyld 0x00007fff67d76764 dyld::link(ImageLoader*, bool, bool, ImageLoader::RPathChain const&) + 166
5 dyld 0x00007fff67d773ac dyld::_main(macho_header const*, unsigned long, int, char const**, char const**, char const**, unsigned long*) + 1983
6 dyld 0x00007fff67d7327b dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header const*, unsigned long*) + 477
7 dyld 0x00007fff67d7305e _dyld_start + 54
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000110288000 rbx: 0x0000000000000020 rcx: 0x0000000000000007 rdx: 0x0000000000000018
rdi: 0x00000001106595a8 rsi: 0x0000000000000018 rbp: 0x00007fff4ff70280 rsp: 0x00007fff4ff701f0
r8: 0x0000000000000001 r9: 0x0000000000000041 r10: 0x000000000000041c r11: 0x00007fff67dc1850
r12: 0x000000011059e010 r13: 0x00000000000002e9 r14: 0x0000000000000c3e r15: 0x0000000110654549
rip: 0x00007fff67d883d0 rfl: 0x0000000000010246 cr2: 0x000000011059e010
Logical CPU: 2
Error Code: 0x00000006
Trap Number: 14
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 204
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=258.3M resident=162.9M(63%) swapped_out_or_unallocated=95.4M(37%)
Writable regions: Total=8572K written=44K(1%) resident=220K(3%) swapped_out=0K(0%) unallocated=8352K(97%)
REGION TYPE VIRTUAL
=========== =======
STACK GUARD 56.0M
Stack 8192K
VM_ALLOCATE 8K
__DATA 34.2M
__IMAGE 528K
__LINKEDIT 74.9M
__TEXT 183.4M
__UNICODE 544K
shared memory 4K
=========== =======
TOTAL 357.5M
Model: Macmini6,1, BootROM MM61.0106.B04, 2 processors, Intel Core i5, 2.5 GHz, 6 GB, SMC 2.7f1
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3230554638424455302D474E2D4620
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x0000, 0x5630314C3353383447423532383532383133
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x10E), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.7f3 14616, 3 services, 23 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: APPLE HDD HTS545050A7E362, 500.11 GB
USB Device: USB Optical Mouse
USB Device: USB Keyboard
USB Device: Hub
USB Device: Hub
USB Device: IR Receiver
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Hub
USB Device: iPhone
Thunderbolt Bus: Mac mini, Apple Inc., 23.4
现在Xcode还没有上线？