FW: Re: Bug Bug Bug Cairo Bug Bug Cairo Bug Cairo

> Its been 4 years now that I've been developing with Cairo on OSX:
> This is how my application looks like:
> ============================================================================
> Process: visual [4598]
> Path: /Users/maartenmostert/vw7.8nc/bin/macx/visual.app/Contents/MacOS/visual
> Identifier: com.cincom.vw7.8
> Version: VisualWorks Version 7.8 (7.8)
> Code Type: X86 (Native)
> Parent Process: launchd [120]
>
> Date/Time: 2011-11-19 19:23:26.451 +0100
> OS Version: Mac OS X 10.6.8 (10K549)
> Report Version: 6
>
> Interval Since Last Report: 11822 sec
> Crashes Since Last Report: 1
> Per-App Interval Since Last Report: 12072 sec
> Per-App Crashes Since Last Report: 1
> Anonymous UUID: 5CC08542-0FE6-4650-B63A-A7930C4604A5
>
> Exception Type: EXC_CRASH (SIGABRT)
> Exception Codes: 0x0000000000000000, 0x0000000000000000
> Crashed Thread: 3
>
> Application Specific Information:
> abort() called
>
> Thread 0: Dispatch queue: com.apple.main-thread
> 0 libSystem.B.dylib 0x9549fafa mach_msg_trap + 10
> 1 libSystem.B.dylib 0x954a0267 mach_msg + 68
> 2 com.apple.CoreFoundation 0x99d7d2df __CFRunLoopRun + 2079
> 3 com.apple.CoreFoundation 0x99d7c3c4 CFRunLoopRunSpecific + 452
> 4 com.apple.CoreFoundation 0x99d7c1f1 CFRunLoopRunInMode + 97
> 5 com.apple.HIToolbox 0x94f6de04 RunCurrentEventLoopInMode + 392
> 6 com.apple.HIToolbox 0x94f6dbb9 ReceiveNextEventCommon + 354
> 7 com.apple.HIToolbox 0x94f6da3e BlockUntilNextEventMatchingListInMode + 81
> 8 com.apple.AppKit 0x987e7595 _DPSNextEvent + 847
> 9 com.apple.AppKit 0x987e6dd6 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 156
> 10 com.apple.AppKit 0x987a91f3 -[NSApplication run] + 821
> 11 com.apple.AppKit 0x987a1289 NSApplicationMain + 574
> 12 com.cincom.vw7.8 0x000868df oeMain + 550 (macXMain.m:156)
> 13 com.cincom.vw7.8 0x00002a22 _start + 216
> 14 com.cincom.vw7.8 0x00002949 start + 41
>
> Thread 1: Dispatch queue: com.apple.libdispatch-manager
> 0 libSystem.B.dylib 0x954c6382 kevent + 10
> 1 libSystem.B.dylib 0x954c6a9c _dispatch_mgr_invoke + 215
> 2 libSystem.B.dylib 0x954c5f59 _dispatch_queue_invoke + 163
> 3 libSystem.B.dylib 0x954c5cfe _dispatch_worker_thread2 + 240
> 4 libSystem.B.dylib 0x954c5781 _pthread_wqthread + 390
> 5 libSystem.B.dylib 0x954c55c6 start_wqthread + 30
>
> Thread 2: com.apple.CFSocket.private
> 0 libSystem.B.dylib 0x954beac6 select$DARWIN_EXTSN + 10
> 1 com.apple.CoreFoundation 0x99dbcc53 __CFSocketManager + 1091
> 2 libSystem.B.dylib 0x954cd259 _pthread_start + 345
> 3 libSystem.B.dylib 0x954cd0de thread_start + 34
>
> Thread 3 Crashed:
> 0 libSystem.B.dylib 0x95587f75 usleep$NOCANCEL$UNIX2003 + 0
> 1 libSystem.B.dylib 0x955a96f0 abort + 105
> 2 libcairo.2.dylib 0x1ae0640d 0x1adbb000 + 308237
> 3 libcairo.2.dylib 0x1adc433f cairo_font_face_destroy + 79
> 4 libcairo.2.dylib 0x1add823d _cairo_scaled_font_fini_internal + 34
> 5 libcairo.2.dylib 0x1add85b7 cairo_scaled_font_destroy + 315
> 6 libcairo.2.dylib 0x1addad23 cairo_scaled_font_create + 1034
> 7 libcairo.2.dylib 0x1adc63a3 _cairo_gstate_ensure_scaled_font + 164
> 8 libcairo.2.dylib 0x1adc647a _cairo_gstate_text_to_glyphs + 78
> 9 libcairo.2.dylib 0x1adc0b85 cairo_text_extents + 198
> 10 com.cincom.vw7.8 0x00079828 pdCallC + 2208 (unx86CallC.c:373)
> 11 com.cincom.vw7.8 0x0000bafa primCallVarArgC + 332 (exCallC.c:507)
> 12 com.cincom.vw7.8 0x00060bab rtPrimGlueVarArgMany + 43
> 13 ??? 0x15c3f983 0 + 365164931
> 14 ??? 0x15c3ea5b 0 + 365161051
> 15 ??? 0x15cffe62 0 + 365952610
> 16 ??? 0x15c3ddb1 0 + 365157809
> 17 ??? 0x15cffdd5 0 + 365952469
> 18 ??? 0x15b89271 0 + 364417649
> 19 ??? 0x15b88d8f 0 + 364416399
> 20 com.cincom.vw7.8 0x000606a0 rootReturn + 0
>
> Thread 3 crashed with X86 Thread State (32-bit):
> eax: 0x00000000 ebx: 0x955a9693 ecx: 0xb068260c edx: 0x95500c5a
> edi: 0x01053c00 esi: 0xa0757b30 ebp: 0xb0682678 esp: 0xb068264c
> ss: 0x0000001f efl: 0x00010282 eip: 0x95587f75 cs: 0x00000017
> ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037
> cr2: 0x0083c800
>
> Binary Images:
> 0x1000 - 0xadfef +com.cincom.vw7.8 VisualWorks Version 7.8 (7.8) /Users/maartenmostert/vw7.8nc/bin/macx/visual.app/Contents/MacOS/visual
> 0x1572c000 - 0x15747fef +libpng12.0.dylib 41.0.0 (compatibility 41.0.0)<00D5A0FD-08CE-8933-4268-5153395C3F4F> /Users/maartenmostert/vw7.8nc/bin/macx/visual.app/Contents/Frameworks/libpng12.0.dylib
> 0x1adbb000 - 0x1ae0effb +libcairo.2.dylib 10803.8.0 (compatibility 10803.0.0)<40C9AB37-0D9D-1F15-4131-AB171387F3A2> /Users/maartenmostert/vw7.8nc/bin/macx/visual.app/Contents/Frameworks/libcairo.2.dylib
> 0x1af13000 - 0x1af53ff7 +libpixman-1.0.dylib 17.2.0 (compatibility 17.0.0)<C873BF5A-E4C5-53EE-3ADF-B3BFAD8D34D0> /Users/maartenmostert/vw7.8nc/bin/macx/visual.app/Contents/Frameworks/libpixman-1.0.dylib
> 0x8fe00000 - 0x8fe4162b dyld 132.1 (???)<A4F6ADCC-6448-37B4-ED6C-ABB2CD06F448> /usr/lib/dyld
> 0x900ff000 - 0x9014cfeb com.apple.DirectoryService.PasswordServerFramework 6.1 (6.1)<136BFA48-D456-B677-3B5D-40A6946C3A09> /System/Library/PrivateFrameworks/PasswordServer.framework/Versions/A/PasswordServer
> 0x90195000 - 0x9019bfe7 com.apple.CommerceCore 1.0 (9.1)<521D067B-3BDA-D04E-E1FA-CFA526C87EB5> /System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Frameworks/CommerceCore.framework/Versions/A/CommerceCore
> 0x9019c000 - 0x901e3ffb com.apple.CoreMediaIOServices 140.0 (1496)<DA152F1C-8EF4-4F5E-6D60-82B1DC72EF47> /System/Library/PrivateFrameworks/CoreMediaIOServices.framework/Versions/A/CoreMediaIOServices
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