(CurStackBase does not seem to apply...dumping 4K.)
  Calling chain using A6/R1 links
  Back chain  ISA  Caller
  0DC61940    PPC  3F6DEBDC  DisposeThread+001D8
  0DC618F0    PPC  3D529A38  squeakThread+0000C
  0DC618B0    PPC  3D534C34  interpret+017BC
  0DC608C0    PPC  3D5449D0  primitiveResponse+0043C
  0DC60860    PPC  3D53D9EC  primitiveExternalCall+003F8
  0DC607E0    PPC  3CEF5A44  primitiveMPEG3Open+001A8
  0DC60380    PPC  3CEDEEDC  mpeg3_open+00010
  0DC60340    PPC  3CEDEE64  mpeg3_open_copy+004E0
  0DC602D0    PPC  3CEDFCA4  mpeg3_new_atrack+0007C
  0DC60280    PPC  3CED75BC  mpeg3audio_new+000A0
  0DC60220    PPC  3CED77CC  mpeg3audio_new+002B0
  0DC601E0    PPC  3CEDC65C  mpeg3demux_read_char_packet+00030
  0DC601A0    PPC  3CEDC210  mpeg3_read_next_packet+00070
  0DC60150    PPC  3CEDBFCC  mpeg3_advance_timecode+0008C
  0DC60100    PPC  3CEF89B0  mpeg3io_seek+00020
  0DC600C0    PPC  3CEFF6B4  fseek+0000C
 (CurStackBase does not seem to apply...dumping 4K.)
  Return addresses on the stack
  Stack Addr  Frame Addr   ISA   Caller
   0DC61028                68K   0000000A
   0DC60ED8                68K   0684C452
   0DC60EA2                68K   00242818
   0DC60E6E                68K   000047FE
   0DC60A12                68K   0010FBFE
   0DC608C8                PPC   3D534C34 interpret+017BC
   0DC60882                68K   023FFFFE
   0DC60878    0DC60870    PPC   3D52D4FC allocateOrRecycleContext+00098
   0DC60868    0DC60860    PPC   3D5449D0 primitiveResponse+0043C
   0DC60808    0DC60800    PPC   3D52A780 ioLowResMSecs+0001C
   0DC607E8    0DC607E0    PPC   3D53D9EC primitiveExternalCall+003F8
   0DC607B8                PPC   3D52F2F0 commonAtPut+000E4
   0DC60788                68K   07A69892
   0DC60778                68K   3D4D3A6E primitiveCompareString+000F6
   0DC60748    0DC60740    PPC   3D4F2E0C glSwapRendererBuffers+000B0
   0DC60738    0DC60730    PPC   3D4FB114 ioSetCursorWithMask+00108
   0DC60708    0DC60700    PPC   3D48F758 glGetError+0001C
   0DC606F8    0DC606F0    PPC   FFD140A4 SetCursor+00018
   0DC60668    0DC60660    PPC   3D4C383C primitiveDirectoryLookup+00100
   0DC60628    0DC60620    PPC   3D4D5560 secCanListPathOfSize+0001C
   0DC60608                68K   3D4C3082 makeDirEntryNamesizecreateDatemodDateisDirfileSize+
00272
   0DC605B8    0DC605B0    PPC   3D53A884 positive64BitIntegerFor+00040
   0DC60598    0DC60590    PPC   3D4FC910 ioLoadExternalFunctionOfLengthFromModuleOfLength+00
098
   0DC60558    0DC60550    PPC   3D4FC834 ioLoadFunctionFrom+00054
   0DC60520                68K   005FB166
   0DC60518    0DC60510    PPC   3D4FC48C findFunctionIn+00048
   0DC60512                68K   054FFFFE
   0DC604D8    0DC604D0    PPC   3D4FC22C findExternalFunctionIn+00030
   0DC604D4    0DC604D0    68K   000A9C22
   0DC6049E                68K   072FFFFE
   0DC60488    0DC60480    PPC   3D4FC118 addToModuleList+00038
   0DC60478    0DC60470    PPC   3D4FC584 callInitializersIn+000B8
   0DC6044A                68K   0BE53F7E
   0DC60438    0DC60430    PPC   3D4FC48C findFunctionIn+00048
   0DC60424    0DC60420    68K   FFD9BCBA _A09F+0000C
   0DC603F8    0DC603F0    PPC   3D4FC22C findExternalFunctionIn+00030
   0DC60388    0DC60380    PPC   3CEF5A44 primitiveMPEG3Open+001A8
 Closing log