Re: cvs emacs stalls with: error in process filter

[Klaus Zeitler]

>>>>> "Richard" == Richard Stallman <address@hidden> writes:
    Richard> 
    Richard>     Still I wonder why I can't use C-g to interrupt emacs with
    Richard>     the error I described. Maybe that's worth investigating too.
    Richard> 
    Richard> Yes, that would be a useful thing to do.  If someone has a bit of
    Richard> time for debugging, how about it?

emacs loops in the big "while (1)" loop in
function wait_reading_process_input (starting in line 3805).
Waiting at the select call (line 4017). Here's a stacktrace:

#0  wait_reading_process_input (time_limit=30, microsecs=0, read_kbd=4, 
    do_display=0) at /vol/freeware/cvs/emacs/head/emacs/src/process.c:3816
#1  0x00185590 in Faccept_process_output (process=1083228544, timeout=30, 
    timeout_msecs=0) at /vol/freeware/cvs/emacs/head/emacs/src/process.c:3503
#2  0x0014fbf0 in Ffuncall (nargs=-4278816, args=0xffbeb678)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2731
#3  0x0017efc0 in Fbyte_code (bytestr=-4278664, vector=268435455, maxdepth=3)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#4  0x00150244 in funcall_lambda (fun=1082708352, nargs=2, 
    arg_vector=0xffbeb81c)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#5  0x0014fd68 in Ffuncall (nargs=3, args=0xffbeb818)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#6  0x0017efc0 in Fbyte_code (bytestr=-4278248, vector=268435455, maxdepth=6)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#7  0x00150244 in funcall_lambda (fun=1082708032, nargs=0, 
    arg_vector=0xffbeb9c4)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#8  0x0014fd68 in Ffuncall (nargs=1, args=0xffbeb9c0)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#9  0x0017efc0 in Fbyte_code (bytestr=-4277824, vector=268435455, maxdepth=6)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#10 0x00150244 in funcall_lambda (fun=1082722560, nargs=5, 
    arg_vector=0xffbebb88)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#11 0x0014fd68 in Ffuncall (nargs=6, args=0xffbebb84)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#12 0x0017efc0 in Fbyte_code (bytestr=-4277372, vector=268435455, maxdepth=14)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#13 0x00150244 in funcall_lambda (fun=1082705024, nargs=1, 
    arg_vector=0xffbebd34)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#14 0x0014fd68 in Ffuncall (nargs=2, args=0xffbebd30)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#15 0x0017efc0 in Fbyte_code (bytestr=-4276944, vector=268435455, maxdepth=3)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#16 0x00150244 in funcall_lambda (fun=1082706912, nargs=1, 
    arg_vector=0xffbebed4)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#17 0x0014fd68 in Ffuncall (nargs=2, args=0xffbebed0)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#18 0x0017efc0 in Fbyte_code (bytestr=-4276528, vector=268435455, maxdepth=2)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#19 0x00150244 in funcall_lambda (fun=1081831584, nargs=1, 
    arg_vector=0xffbec06c)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#20 0x0014fd68 in Ffuncall (nargs=2, args=0xffbec068)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#21 0x0014f844 in call1 (fn=1081831584, arg1=814354932)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2516
#22 0x00159718 in mapcar1 (leni=1, vals=0xffbec198, fn=1081831584, 
    seq=1350319248) at /vol/freeware/cvs/emacs/head/emacs/src/fns.c:2930
#23 0x00159834 in Fmapcar (function=1081831584, sequence=1350319248)
    at /vol/freeware/cvs/emacs/head/emacs/src/fns.c:2990
#24 0x0014fbcc in Ffuncall (nargs=-4275548, args=0xffbec2a0)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2727
#25 0x0017efc0 in Fbyte_code (bytestr=-4275552, vector=268435455, maxdepth=3)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#26 0x00150244 in funcall_lambda (fun=1082707936, nargs=0, 
    arg_vector=0xffbec558)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#27 0x0014fd68 in Ffuncall (nargs=1, args=0xffbec554)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#28 0x0014f45c in Fapply (nargs=2, args=0xffbec554)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2231
#29 0x0014fbcc in Ffuncall (nargs=3, args=0xffbec550)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2727
#30 0x0017efc0 in Fbyte_code (bytestr=-4274864, vector=268435455, maxdepth=4)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:710
#31 0x0014efec in Feval (form=3)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2084
#32 0x0014dba0 in Fcondition_case (args=271724548)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:1280
#33 0x0017f604 in Fbyte_code (bytestr=-4274224, vector=268435455, maxdepth=5)
    at /vol/freeware/cvs/emacs/head/emacs/src/bytecode.c:891
#34 0x00150244 in funcall_lambda (fun=1076337612, nargs=1, 
    arg_vector=0xffbec97c)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2911
#35 0x0014fd68 in Ffuncall (nargs=2, args=0xffbec978)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2781
#36 0x0014f844 in call1 (fn=271771468, arg1=1082788736)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:2516
#37 0x000ed73c in timer_check (do_it_now=-4273432)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:4405
#38 0x000ec060 in readable_filtered_events (do_timers_now=1, filter_events=0)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:3463
#39 0x000f0228 in get_filtered_input_pending (addr=0x3164b0, do_timers_now=1, 
    filter_events=0) at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:6563
#40 0x000f02c0 in get_input_pending (addr=0x3164b0, do_timers_now=1)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:6588
#41 0x000f5700 in detect_input_pending_run_timers (do_display=1)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:9909
#42 0x001862dc in wait_reading_process_input (time_limit=30, microsecs=0, 
    read_kbd=3254272, do_display=1)
    at /vol/freeware/cvs/emacs/head/emacs/src/process.c:4116
#43 0x0004ed84 in sit_for (sec=30, usec=0, reading=1, display=1, 
    initial_display=0) at /vol/freeware/cvs/emacs/head/emacs/src/dispnew.c:6251
#44 0x000ea894 in read_char (commandflag=1, nmaps=6, maps=0xffbed098, 
    prev_event=271724548, used_mouse_menu=0xffbed138)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:2720
#45 0x000f3710 in read_key_sequence (keybuf=0xffbed290, bufsize=30, 
    prompt=271724548, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1)
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:8825
#46 0x000e7d3c in command_loop_1 ()
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:1504
#47 0x0014dca8 in internal_condition_case (bfun=0xe7968 <command_loop_1>, 
    handlers=271861244, hfun=0xe746c <cmd_error>)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:1333
#48 0x000e77dc in command_loop_2 ()
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:1292
#49 0x0014d804 in internal_catch (tag=271813548, 
    func=0xe77b4 <command_loop_2>, arg=271724548)
    at /vol/freeware/cvs/emacs/head/emacs/src/eval.c:1094
#50 0x000e7788 in command_loop ()
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:1271
#51 0x000e71c0 in recursive_edit_1 ()
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:987
#52 0x000e732c in Frecursive_edit ()
    at /vol/freeware/cvs/emacs/head/emacs/src/keyboard.c:1043
#53 0x000e602c in main (argc=1, argv=0xffbed7ec)
    at /vol/freeware/cvs/emacs/head/emacs/src/emacs.c:1666

-- 
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|  Klaus Zeitler      Lucent Technologies  |
|  Email:             address@hidden  |
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---
Experience is that marvelous thing that enables you recognize
a mistake when you make it again.              -- F. P. Jones