xemacs crashes when you enter font-lock-mode

[rhstanton]

Start up the latest xemacs (21.4.22), and execute

M-x font-lock-mode

xemacs almost immediately crashes with a segmentation fault.

In case it's useful, here's the error entry in my console:

Process: xemacs-21.4.22 [8932] Path: /opt/local/bin/xemacs-21.4.22 Identifier: xemacs-21.4.22 Version: ??? (???) Code Type: X86-64 (Native) Parent Process: ??? [1]

Date/Time: 2012-03-13 15:04:53.087 -0700 OS Version: Mac OS X 10.7.3 (11D50) Report Version: 9

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x000000280000002c

VM Regions Near 0x280000002c:

MALLOC_LARGE 0000000101800000-0000000102399000 [ 11.6M] rw-/rwx SM=PRV

-->

STACK GUARD 00007fff5bc00000-00007fff5f400000 [ 56.0M] ---/rwx SM=NUL stack guard for thread 0

Application Specific Information: objc[8932]: garbage collection is OFF

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x00007fff913b982a kill + 10 1 xemacs 0x0000000100035d25 fatal_error_signal + 309 2 libsystem_c.dylib 0x00007fff8fb10cfa _sigtramp + 26 3 libX11.6.dylib 0x0000000100555722 XDrawLine + 50 4 xemacs 0x000000010015fbdf GaugeExpose + 511 5 libXt.6.dylib 0x00000001004ee59d SendExposureEvent + 141 6 libXt.6.dylib 0x00000001004ece07 XtDispatchEventToWidget + 1047 7 libXt.6.dylib 0x00000001004ed4f8 _XtDefaultDispatcher + 280 8 libXt.6.dylib 0x00000001004ed310 XtDispatchEvent + 256 9 libXt.6.dylib 0x00000001004f8962 XtAppProcessEvent + 1042 10 xemacs 0x00000001001288bd emacs_Xt_event_pending_p + 349 11 xemacs 0x0000000100077fda Fdispatch_non_command_events + 122 12 xemacs 0x000000010003906f Feval + 1919 13 xemacs 0x000000010003f1e3 condition_case_3 + 675 14 xemacs 0x0000000100012186 execute_rare_opcode + 230 15 xemacs 0x000000010001276b execute_optimized_program + 171 16 xemacs 0x000000010000f816 funcall_compiled_function + 486 17 xemacs 0x0000000100039c4e Ffuncall + 1038 18 xemacs 0x0000000100012932 execute_optimized_program + 626 19 xemacs 0x000000010000f816 funcall_compiled_function + 486 20 xemacs 0x0000000100039c4e Ffuncall + 1038 21 xemacs 0x0000000100012932 execute_optimized_program + 626 22 xemacs 0x000000010000f816 funcall_compiled_function + 486 23 xemacs 0x0000000100039c4e Ffuncall + 1038 24 xemacs 0x0000000100012932 execute_optimized_program + 626 25 xemacs 0x000000010000f816 funcall_compiled_function + 486 26 xemacs 0x0000000100039c4e Ffuncall + 1038 27 xemacs 0x0000000100012932 execute_optimized_program + 626 28 xemacs 0x000000010000f816 funcall_compiled_function + 486 29 xemacs 0x0000000100039c4e Ffuncall + 1038 30 xemacs 0x0000000100012932 execute_optimized_program + 626 31 xemacs 0x000000010000f816 funcall_compiled_function + 486 32 xemacs 0x0000000100039c4e Ffuncall + 1038 33 xemacs 0x0000000100012932 execute_optimized_program + 626 34 xemacs 0x000000010000f816 funcall_compiled_function + 486 35 xemacs 0x0000000100039c4e Ffuncall + 1038 36 xemacs 0x0000000100012932 execute_optimized_program + 626 37 xemacs 0x000000010000f816 funcall_compiled_function + 486 38 xemacs 0x0000000100039c4e Ffuncall + 1038 39 xemacs 0x0000000100012932 execute_optimized_program + 626 40 xemacs 0x000000010000f816 funcall_compiled_function + 486 41 xemacs 0x0000000100039c4e Ffuncall + 1038 42 xemacs 0x000000010001590b Fcall_interactively + 7739 43 xemacs 0x000000010003875e Fcommand_execute + 366 44 xemacs 0x0000000100039abe Ffuncall + 638 45 xemacs 0x0000000100012932 execute_optimized_program + 626 46 xemacs 0x000000010000f816 funcall_compiled_function + 486 47 xemacs 0x0000000100039c4e Ffuncall + 1038 48 xemacs 0x000000010001590b Fcall_interactively + 7739 49 xemacs 0x000000010003875e Fcommand_execute + 366 50 xemacs 0x000000010007ad77 execute_command_event + 535 51 xemacs 0x0000000100077e52 Fdispatch_event + 1074 52 xemacs 0x000000010001c0d7 Fcommand_loop_1 + 359 53 xemacs 0x000000010003c6c3 condition_case_1 + 419 54 xemacs 0x000000010001c23a command_loop_2 + 58 55 xemacs 0x000000010003af2b internal_catch + 187 56 xemacs 0x000000010001c5f6 initial_command_loop + 374 57 xemacs 0x0000000100035827 xemacs_21_4_22_i386_apple_darwin11_3_0 + 5031 58 xemacs 0x000000010003593a main + 186 59 xemacs 0x0000000100000e54 start + 52

Thread 0 crashed with X86 Thread State (64-bit):

rax: 0x0000000000000000 rbx: 0x000000000000000b rcx: 0x00007fff5fbfc6d8 rdx: 0x0000000000000000 rdi: 0x00000000000022e4 rsi: 0x000000000000000b rbp: 0x00007fff5fbfc6f0 rsp: 0x00007fff5fbfc6d8

r8: 0x0000000000000001 r9: 0x0000000000000001 r10: 0x00000001001dc148 r11: 0xffffff80002d8220

r12: 0x0000000000000002 r13: 0x0000002800000014 r14: 0x000000000060009c r15: 0x000000000000000a rip: 0x00007fff913b982a rfl: 0x0000000000000206 cr2: 0x000000010e5bd000

Logical CPU: 0

Binary Images:

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0x7fff6df5e000 - 0x7fff6df92baf dyld (195.6 - ???) <0CD1B35B-A28F-32DA-B72E-452EAD609613> /usr/lib/dyld 0x7fff896cf000 - 0x7fff896fcfe7 libSystem.B.dylib (159.1.0 - compatibility 1.0.0) <7BEBB139-50BB-3112-947A-F4AA168F991C> /usr/lib/libSystem.B.dylib 0x7fff89752000 - 0x7fff89752fff libkeymgr.dylib (23.0.0 - compatibility 1.0.0) <61EFED6A-A407-301E-B454-CD18314F0075> /usr/lib/system/libkeymgr.dylib 0x7fff89761000 - 0x7fff89768fff libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <0AB51EE2-E914-358C-AC19-47BC024BDAE7> /usr/lib/system/libcopyfile.dylib 0x7fff89835000 - 0x7fff89836fff libDiagnosticMessagesClient.dylib (??? - ???) <3DCF577B-F126-302B-BCE2-4DB9A95B8598> /usr/lib/libDiagnosticMessagesClient.dylib 0x7fff89e4e000 - 0x7fff89e50fff libquarantine.dylib (36.2.0 - compatibility 1.0.0) <48656562-FF20-3B55-9F93-407ACA7341C0> /usr/lib/system/libquarantine.dylib 0x7fff8aa05000 - 0x7fff8aa0bfff libmacho.dylib (800.0.0 - compatibility 1.0.0) <165514D7-1BFA-38EF-A151-676DCD21FB64> /usr/lib/system/libmacho.dylib 0x7fff8abbe000 - 0x7fff8abf9fff libsystem_info.dylib (??? 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- ???) <5087ADAD-D34D-3844-9D04-AFF93CED3D92> /usr/lib/system/libsystem_sandbox.dylib 0x7fff94bad000 - 0x7fff94baeff7 libremovefile.dylib (21.1.0 - compatibility 1.0.0) <739E6C83-AA52-3C6C-A680-B37FE2888A04> /usr/lib/system/libremovefile.dylib 0x7fff94f4b000 - 0x7fff94f4ffff libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <FF83AFF7-42B2-306E-90AF-D539C51A4542> /usr/lib/system/libmathCommon.A.dylib 0x7fff94f55000 - 0x7fff94f5fff7 liblaunch.dylib (392.36.0 - compatibility 1.0.0) <CB8B5808-80C0-318E-AE12-96CA916442FE> /usr/lib/system/liblaunch.dylib 0x7fff9590b000 - 0x7fff9597efff libstdc++.6.dylib (52.0.0 - compatibility 7.0.0) <6BDD43E4-A4B1-379E-9ED5-8C713653DFF2> /usr/lib/libstdc++.6.dylib 0x7fff9597f000 - 0x7fff95984fff libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib 0x7fff95c07000 - 0x7fff95c24fff libxpc.dylib (77.18.0 - compatibility 1.0.0) <26C05F31-E809-3B47-AF42-1460971E3AC3> /usr/lib/system/libxpc.dylib 0x7fff963ba000 - 0x7fff963bbfff libunc.dylib (24.0.0 - compatibility 1.0.0) <337960EE-0A85-3DD0-A760-7134CF4C0AFF> /usr/lib/system/libunc.dylib 0x7fff96576000 - 0x7fff96577fff libdnsinfo.dylib (395.10.0 - compatibility 1.0.0) <2301DE05-6950-3AFF-A8A6-DA76D4C079B5> /usr/lib/system/libdnsinfo.dylib

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: 3059556 thread_create: 3 thread_set_state: 0

VM Region Summary: ReadOnly portion of Libraries: Total=62.8M resident=24.6M(39%) swapped_out_or_unallocated=38.2M(61%) Writable regions: Total=35.2M written=8864K(25%) resident=9856K(27%) swapped_out=0K(0%) unallocated=25.6M(73%) REGION TYPE VIRTUAL =========== ======= MALLOC 25.6M MALLOC guard page 16K STACK GUARD 56.0M Stack 8192K VM_ALLOCATE 4K DATA 2552K LINKEDIT 48.6M TEXT 14.2M UNICODE 544K shared memory 12K =========== ======= TOTAL 155.5M