Geek Foibles


AppleVNCServer crashing when connected to
October 5, 2009, 8:17 pm
Filed under: Uncategorized | Tags: ,

For the past few weeks, AppleVNCServer (aka screen sharing) crashes when you connect to it.  It’s on a Mac mini running Mac OS X Server 10.5.8.  Here’s the relevant bit from system.log:

Oct  3 14:17:35 minnie ReportCrash[12942]: Formulating crash report for process AppleVNCServer[12874]
Oct  3 14:17:36 minnie com.apple.launchd[264] (com.apple.ScreenSharing.server[12874]): Exited abnormally: Segmentation fault
Oct  3 14:17:37 minnie ReportCrash[12942]: Saved crashreport to /Users/will/Library/Logs/CrashReporter/AppleVNCServer_2009-10-03-141730_minnie.crash using uid: 501 gid: 20, euid: 501 egid: 20

Nothing too interesting there, so here’s the crash log it mentions:


Process:         AppleVNCServer [12874]
Path:            /System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/MacOS/AppleVNCServer
Identifier:      AppleVNCServer
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  launchd [264]

Date/Time:       2009-10-03 14:17:30.662 -0400
OS Version:      Mac OS X Server 10.5.8 (9L34)
Report Version:  6
Anonymous UUID:  1DFDDD4A-5259-4417-A19F-8DA81EA911FC

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: 0x000000000000000d, 0x0000000000000000
Crashed Thread:  4

Thread 0:
0   libSystem.B.dylib             	0x90d51286 mach_msg_trap + 10
1   libSystem.B.dylib             	0x90d58a7c mach_msg + 72
2   com.apple.CoreFoundation      	0x9098de7e CFRunLoopRunSpecific + 1790
3   com.apple.CoreFoundation      	0x9098eb04 CFRunLoopRun + 84
4   com.apple.AppleVNCServer      	0x00005a4f 0x1000 + 19023
5   com.apple.AppleVNCServer      	0x00002675 0x1000 + 5749
6   com.apple.AppleVNCServer      	0x00025636 0x1000 + 149046
7   com.apple.AppleVNCServer      	0x00001fd9 0x1000 + 4057

Thread 1:
0   libSystem.B.dylib             	0x90d819c6 kevent + 10
1   ...ple.CoreServices.CarbonCore	0x95789057 PrivateMPEntryPoint + 56
2   libSystem.B.dylib             	0x90d82155 _pthread_start + 321
3   libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 2:
0   libSystem.B.dylib             	0x90d883ca select$DARWIN_EXTSN$NOCANCEL + 10
1   com.apple.AppleVNCServer      	0x00004c9b 0x1000 + 15515
2   ...ple.CoreServices.CarbonCore	0x95789057 PrivateMPEntryPoint + 56
3   libSystem.B.dylib             	0x90d82155 _pthread_start + 321
4   libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 3:
0   libSystem.B.dylib             	0x90d512da semaphore_timedwait_trap + 10
1   ...ple.CoreServices.CarbonCore	0x9579c47b MPWaitOnSemaphore + 125
2   com.apple.AppleVNCServer      	0x00006be5 0x1000 + 23525
3   ...ple.CoreServices.CarbonCore	0x95789057 PrivateMPEntryPoint + 56
4   libSystem.B.dylib             	0x90d82155 _pthread_start + 321
5   libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 4 Crashed:
0   com.apple.AppleVNCServer      	0x00037a1e 0x1000 + 223774
1   com.apple.AppleVNCServer      	0x000157c8 0x1000 + 83912
2   com.apple.AppleVNCServer      	0x00014a5f 0x1000 + 80479
3   com.apple.AppleVNCServer      	0x00008fa4 0x1000 + 32676
4   ...ple.CoreServices.CarbonCore	0x95789057 PrivateMPEntryPoint + 56
5   libSystem.B.dylib             	0x90d82155 _pthread_start + 321
6   libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 5:
0   libSystem.B.dylib             	0x90d51286 mach_msg_trap + 10
1   libSystem.B.dylib             	0x90d58a7c mach_msg + 72
2   com.apple.framework.IOKit     	0x911a94b7 io_connect_method + 592
3   com.apple.framework.IOKit     	0x911333c6 IOConnectCallMethod + 300
4   ...er.AppleIntelGMA950GLDriver	0x00782c95 glrReadPixels + 1973
5   GLEngine                      	0x005ff144 glReadPixels_Exec + 2004
6   libGL.dylib                   	0x93eecaa9 glReadPixels + 73
7   com.apple.AppleVNCServer      	0x000155ee 0x1000 + 83438
8   com.apple.AppleVNCServer      	0x00009d87 0x1000 + 36231
9   ...ple.CoreServices.CarbonCore	0x95789057 PrivateMPEntryPoint + 56
10  libSystem.B.dylib             	0x90d82155 _pthread_start + 321
11  libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 6:
0   libSystem.B.dylib             	0x90d5846e __semwait_signal + 10
1   libSystem.B.dylib             	0x90d82dcd pthread_cond_wait$UNIX2003 + 73
2   libGLProgrammability.dylib    	0x93f43b32 glvmDoWork + 162
3   libSystem.B.dylib             	0x90d82155 _pthread_start + 321
4   libSystem.B.dylib             	0x90d82012 thread_start + 34

Thread 4 crashed with X86 Thread State (32-bit):
  eax: 0x00807c00  ebx: 0x00000000  ecx: 0x000b5000  edx: 0xffffeaa8
  edi: 0x000b5000  esi: 0x125d40a8  ebp: 0xb0226c28  esp: 0xb0226854
   ss: 0x0000001f  efl: 0x00010202  eip: 0x00037a1e   cs: 0x00000017
   ds: 0x0000001f   es: 0x0000001f   fs: 0x0000001f   gs: 0x00000037
  cr2: 0x00037a10

Binary Images:
    0x1000 -    0x4dff7  com.apple.AppleVNCServer 3.3.1 (3.3.1) <5b4a7fdb0c13de88d2d0bd7c309047ed> /System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/MacOS/AppleVNCServer
   0xcb000 -    0xe7ff7  GLRendererFloat ??? (???) <7badea5e2b8167c0e6391623bb46140a> /System/Library/Frameworks/OpenGL.framework/Versions/A/Resources/GLRendererFloat.bundle/GLRendererFloat
  0x5b2000 -   0x737fe3  GLEngine ??? (???) <052e02d9a452a45d014ffbd2a84a4e7c> /System/Library/Frameworks/OpenGL.framework/Resources/GLEngine.bundle/GLEngine
  0x765000 -   0x7beff7  com.apple.driver.AppleIntelGMA950GLDriver 1.5.48 (5.4.8) <806d3030842b46995c46c9059046f2fc> /System/Library/Extensions/AppleIntelGMA950GLDriver.bundle/Contents/MacOS/AppleIntelGMA950GLDriver
0x8fe00000 - 0x8fe2db43  dyld 97.1 (???) <458eed38a009e5658a79579e7bc26603> /usr/lib/dyld
0x9020b000 - 0x90264ff7  libGLU.dylib ??? (???) <64d010e31d7596bd8f9edc6e027d1d0c> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x9034d000 - 0x90354ffe  libbsm.dylib ??? (???)  /usr/lib/libbsm.dylib
0x9036d000 - 0x9077dfef  libBLAS.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x9077e000 - 0x907dbffb  libstdc++.6.dylib ??? (???) <04b812dcec670daa8b7d2852ab14be60> /usr/lib/libstdc++.6.dylib
0x907dc000 - 0x907dcffd  com.apple.Accelerate 1.4.2 (Accelerate 1.4.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x907dd000 - 0x907ebffd  libz.1.dylib ??? (???) <5ddd8539ae2ebfd8e7cc1c57525385c7> /usr/lib/libz.1.dylib
0x90890000 - 0x9091afe3  com.apple.DesktopServices 1.4.8 (1.4.8)  /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
0x9091b000 - 0x90a4efe7  com.apple.CoreFoundation 6.5.7 (476.19)  /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x90a94000 - 0x90a94ff8  com.apple.ApplicationServices 34 (34) <8f910fa65f01d401ad8d04cc933cf887> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x90cfe000 - 0x90d4fff7  com.apple.HIServices 1.7.1 (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
0x90d50000 - 0x90eb7ff3  libSystem.B.dylib ??? (???)  /usr/lib/libSystem.B.dylib
0x90eb8000 - 0x90f4bfff  com.apple.ink.framework 101.3 (86)  /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
0x90f52000 - 0x90f8cfe7  com.apple.coreui 1.2 (62) /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
0x90f8d000 - 0x90f96fff  com.apple.speech.recognition.framework 3.7.24 (3.7.24)  /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
0x91073000 - 0x91074ffc  libffi.dylib ??? (???)  /usr/lib/libffi.dylib
0x910f3000 - 0x910f8fff  com.apple.CommonPanels 1.2.4 (85)  /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
0x9112e000 - 0x911bbff7  com.apple.framework.IOKit 1.5.2 (???) <7a3cc24f78f93931731203854ae0d891> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x911bc000 - 0x91243ff7  libsqlite3.0.dylib ??? (???)  /usr/lib/libsqlite3.0.dylib
0x91244000 - 0x912d1ff7  com.apple.LaunchServices 292 (292)  /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
0x912d2000 - 0x912f0ff3  com.apple.DirectoryService.Framework 3.5.6 (3.5.6) <48d78074835db0d5fe5b632991c21b1b> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
0x912f1000 - 0x91310ffa  libJPEG.dylib ??? (???) <50b881dd5a5795d38405c9c88c2806fa> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
0x91311000 - 0x91350fef  libTIFF.dylib ??? (???) <801873cbd85ba7bdfe7646fe97a54ca3> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
0x92330000 - 0x92501ffb  com.apple.security 5.0.5 (36371) <1f7f48b36bc90d114220cc81e4e4694f> /System/Library/Frameworks/Security.framework/Versions/A/Security
0x92666000 - 0x92693feb  libvDSP.dylib ??? (???)  /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x92694000 - 0x9273bfec  com.apple.CFNetwork 438.14 (438.14) <5f9ee0430b5f6319f18d9b23e777e0d2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x9278e000 - 0x9278effd  com.apple.Accelerate.vecLib 3.4.2 (vecLib 3.4.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x9278f000 - 0x927a4ffb  com.apple.ImageCapture 5.0.2 (5.0.2) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
0x92978000 - 0x92978ffb  com.apple.installserver.framework 1.0 (8) /System/Library/PrivateFrameworks/InstallServer.framework/Versions/A/InstallServer
0x92cc7000 - 0x92cc7ffa  com.apple.CoreServices 32 (32) <2fcc8f3bd5bbfc000b476cad8e6a3dd2> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x92cc8000 - 0x92fd0fe7  com.apple.HIToolbox 1.5.6 (???)  /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
0x92fd1000 - 0x92fedff3  libPng.dylib ??? (???) <271373dd41f56369a3dfca0ed2be579a> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
0x92fee000 - 0x93017fff  libcups.2.dylib ??? (???) <3f0976287f63781607864f6586ad7229> /usr/lib/libcups.2.dylib
0x93018000 - 0x9303cfff  libxslt.1.dylib ??? (???)  /usr/lib/libxslt.1.dylib
0x9303d000 - 0x9303dffc  com.apple.audio.units.AudioUnit 1.5 (1.5) /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x93075000 - 0x930f4ff5  com.apple.SearchKit 1.2.2 (1.2.2) <3b5f3ab6a363a4d8a2bbbf74213ab0e5> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
0x931ef000 - 0x93296feb  com.apple.QD 3.11.56 (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
0x932c1000 - 0x93413ff3  com.apple.audio.toolbox.AudioToolbox 1.5.2 (1.5.2) /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x93414000 - 0x9342afff  com.apple.DictionaryServices 1.0.0 (1.0.0)  /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x93453000 - 0x9346bff7  com.apple.CoreVideo 1.6.0 (20.0)
 /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
0x934a7000 - 0x93587fff  libobjc.A.dylib ??? (???) <3ca288b625a47bbcfe378158e4dc328f> /usr/lib/libobjc.A.dylib
0x93590000 - 0x93594fff  libmathCommon.A.dylib ??? (???) /usr/lib/system/libmathCommon.A.dylib
0x93596000 - 0x93613fef  libvMisc.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x93614000 - 0x93652fff  libGLImage.dylib ??? (???) <2e570958595e0c9c3a289158223b39ee> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x93653000 - 0x93a11fea  libLAPACK.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x93a12000 - 0x93a18fff  com.apple.print.framework.Print 218.0.3 (220.2) <8c541d587e4068a5fe5a5ce8ee208516> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
0x93a19000 - 0x93a1bfff  com.apple.securityhi 3.0 (30817) <2b2854123fed609d1820d2779e2e0963> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
0x93a1c000 - 0x93a2cffc  com.apple.LangAnalysis 1.6.5 (1.6.5)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
0x93a2d000 - 0x93ca9fe7  com.apple.Foundation 6.5.9 (677.26)  /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x93caa000 - 0x93d24ff8  com.apple.print.framework.PrintCore 5.5.4 (245.6) <9ae833544b8249984c07544dbe6a97fa> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
0x93d25000 - 0x93ddffe3  com.apple.CoreServices.OSServices 228 (228)  /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
0x93ee7000 - 0x93ee7fff  com.apple.Carbon 136 (136) <98a5e3bc0c4fa44bbb09713bb88707fe> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
0x93ee8000 - 0x93eeaff5  libRadiance.dylib ??? (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
0x93eeb000 - 0x93ef7ffe  libGL.dylib ??? (???) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
0x93ef8000 - 0x93f10fff  com.apple.openscripting 1.2.8 (???)  /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
0x93f11000 - 0x93f1bfeb  com.apple.audio.SoundManager 3.9.2 (3.9.2) <0f2ba6e891d3761212cf5a5e6134d683> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound
0x93f1c000 - 0x943edfbe  libGLProgrammability.dylib ??? (???)  /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgrammability.dylib
0x943ee000 - 0x94430fef  com.apple.NavigationServices 3.5.2 (163) <7f4f1766414a511bf5bc68920ac85a88> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/NavigationServices.framework/Versions/A/NavigationServices
0x94456000 - 0x94485fe3  com.apple.AE 402.3 (402.3)  /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
0x94486000 - 0x94503feb  com.apple.audio.CoreAudio 3.1.2 (3.1.2) <782a08c44be4698597f4bbd79cac21c6> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x94504000 - 0x9450bfe9  libgcc_s.1.dylib ??? (???)  /usr/lib/libgcc_s.1.dylib
0x9450c000 - 0x9452afff  libresolv.9.dylib ??? (???) <0e26b308654f33fc94a0c010a50751f9> /usr/lib/libresolv.9.dylib
0x94592000 - 0x945a2fff  com.apple.speech.synthesis.framework 3.7.1 (3.7.1) <9a71429c74ed6ca43eb35e1f78471b2e> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x945a3000 - 0x94636ff3  com.apple.ApplicationServices.ATS 3.7 (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x94637000 - 0x9463ffff  com.apple.DiskArbitration 2.2.1 (2.2.1)  /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
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0x946a6000 - 0x946aafff  libGIF.dylib ??? (???) <3c7100e80b7f7ca8809cf9512c1a6004> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
0x946ab000 - 0x9475dffb  libcrypto.0.9.7.dylib ??? (???) <8ac6abef4b3bb125c8bf84634421bcee> /usr/lib/libcrypto.0.9.7.dylib
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0x95207000 - 0x95340ff7  libicucore.A.dylib ??? (???)
 /usr/lib/libicucore.A.dylib
0x95341000 - 0x956defef  com.apple.QuartzCore 1.5.8 (1.5.8) <18113e06d296230d63a63b58baf35f55> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
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0x95740000 - 0x95a1aff3  com.apple.CoreServices.CarbonCore 786.11 (786.14)  /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
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0x95aa7000 - 0x95b6eff2  com.apple.vImage 3.0 (3.0) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
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0x96936000 - 0x96961fe7  libauto.dylib ??? (???) <4f3e58cb81da07a1662c1f647ce30225> /usr/lib/libauto.dylib
0x9699b000 - 0x96a4bfff  edu.mit.Kerberos 6.0.13 (6.0.13)  /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
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0x96cae000 - 0x96cbbfe7  com.apple.opengl 1.5.10 (1.5.10)  /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
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0x96e08000 - 0x96e62ff7  com.apple.CoreText 2.0.4 (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
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0x96f45000 - 0x975e5fef  com.apple.CoreGraphics 1.409.4 (???)  /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
0xfffe8000 - 0xfffebfff  libobjc.A.dylib ??? (???) /usr/lib/libobjc.A.dylib
0xffff0000 - 0xffff1780  libSystem.B.dylib ??? (???) /usr/lib/libSystem.B.dylib

Here’s where I reach the limits of my knowledge.  It looks like the system is pointing its finger at thread 4 as the culprit, and thread 4 looks like it’s loaded up the libSystem and Carbon libraries.  So perhaps one of those core system libraries are corrupted?  I tried re-applying the 10.5.8 combo update (since that will overwrite a lot of libraries with the latest version, just in case) to no effect, and I removed all the VNC- and Remote Desktop-related files in /Library/Preferences/ without any luck, either.

Obviously I could do an archive or erase and install and it’d take care of the issue, but I’m interested in actually sussing out the cause and pinpointing it.  Any suggestions are welcome at this point!

UPDATED – Nov. 19th, 2009
A few days after posting this I noticed that while connecting to the VNC server with Mac OS X’s built-in VNC client (called by choosing “Connect to Server…” from the “Go” menu in Finder and providing it a “vnc://ip.goes.here” URL) incurs the crash of the server, connecting to it with Apple’s Remote Desktop application doesn’t.  So, I’ve got a workaround, but still no solution.  I’m going to try to chase this down in the next couple weeks, hopefully I’ll be able to pinpoint the cause.

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