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bug#20134: Acknowledgement (24.4.90; Emacs slowdown to eventual hang)


From: Phillip Lord
Subject: bug#20134: Acknowledgement (24.4.90; Emacs slowdown to eventual hang)
Date: Thu, 19 Mar 2015 17:58:05 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.90 (gnu/linux)


I am experiencing the same kind of slowdown in with an Emacs 24.4.1
also. A quick (and ignorant) look at the backtrace suggests that it's
got a lot of the same functions in it as the previous one.

So, it does not look like a regression bug to me. Again, auctex seems to
cause the problem.



(gdb) bt
#0  0x00007f1040bcce79 in __pselect (address@hidden, 
    address@hidden, 
    address@hidden, address@hidden, 
    timeout=<optimised out>, address@hidden, 
    address@hidden) at ../sysdeps/unix/sysv/linux/pselect.c:77
#1  0x00000000005cc1e9 in xg_select (fds_lim=18, 
    address@hidden, address@hidden, 
    address@hidden, address@hidden, 
    address@hidden) at xgselect.c:105
#2  0x000000000059506d in wait_reading_process_output (
    time_limit=<optimised out>, nsecs=998406449, address@hidden, 
    address@hidden, wait_for_cell=12140850, 
    address@hidden, address@hidden)
    at process.c:4606
#3  0x00000000004ec9fe in kbd_buffer_get_event (end_time=0x7fff18b63f60, 
    used_mouse_menu=<optimised out>, kbp=<synthetic pointer>)
    at keyboard.c:3885
#4  read_event_from_main_queue (used_mouse_menu=<optimised out>, 
    local_getcjmp=<optimised out>, end_time=0x7fff18b63f60) at keyboard.c:2246
#5  read_decoded_event_from_main_queue (
---Type <return> to continue, or q <return> to quit---
    address@hidden, 
    address@hidden, 
    address@hidden, 
    address@hidden) at keyboard.c:2309
#6  0x00000000004f0dcc in read_char (address@hidden, 
    map=12140850, prev_event=12140850, 
    address@hidden, end_time=0x7fff18b63f60)
    at keyboard.c:2895
#7  0x00000000005741f0 in read_filtered_event (no_switch_frame=false, 
    ascii_required=false, error_nonascii=false, input_method=true, 
    seconds=<optimised out>) at lread.c:632
#8  0x0000000000556eb0 in Ffuncall (nargs=<optimised out>, 
    args=<optimised out>) at eval.c:2819
#9  0x000000000058b165 in exec_byte_code (bytestr=-514, 
    vector=140733607981424, maxdepth=140733607981552, args_template=3076, 
    nargs=140733607985208, args=0x4) at bytecode.c:916
#10 0x00000000005569f7 in funcall_lambda (fun=140733607988112, 
    address@hidden, address@hidden, arg_vector=0x85dc81 <pure+123649>, 
    address@hidden) at eval.c:2979
#11 0x0000000000555df8 in apply_lambda (fun=8772693, args=<optimised out>, 
---Type <return> to continue, or q <return> to quit---
    address@hidden) at eval.c:2920
#12 0x000000000055619c in eval_sub (form=<optimised out>) at eval.c:2257
#13 0x00000000005566c5 in Fprogn (body=18) at eval.c:462
#14 0x0000000000556496 in eval_sub (form=<optimised out>) at eval.c:2132
#15 0x0000000000556496 in eval_sub (form=<optimised out>) at eval.c:2132
#16 0x00000000005566c5 in Fprogn (body=18) at eval.c:462
#17 0x00000000005592f5 in Flet (args=19568006) at eval.c:970
#18 0x0000000000556496 in eval_sub (form=<optimised out>) at eval.c:2132
#19 0x00000000005566c5 in Fprogn (body=18) at eval.c:462
#20 0x0000000000556a5c in funcall_lambda (address@hidden, 
    address@hidden, address@hidden)
    at eval.c:3038
#21 0x0000000000555df8 in apply_lambda (fun=19567894, args=<optimised out>, 
    address@hidden) at eval.c:2920
#22 0x000000000055619c in eval_sub (form=<optimised out>) at eval.c:2257
#23 0x0000000000556496 in eval_sub (form=<optimised out>) at eval.c:2132
#24 0x00000000005566c5 in Fprogn (body=18, address@hidden) at eval.c:462
#25 0x000000000054a585 in Fsave_current_buffer (args=19517110) at editfns.c:954
#26 0x0000000000556496 in eval_sub (form=<optimised out>) at eval.c:2132
#27 0x00000000005566c5 in Fprogn (body=18) at eval.c:462
---Type <return> to continue, or q <return> to quit---
#28 0x0000000000556a5c in funcall_lambda (fun=19517078, address@hidden, 
    address@hidden) at eval.c:3038
#29 0x0000000000556cd3 in Ffuncall (address@hidden, 
    address@hidden) at eval.c:2873
#30 0x000000000055814c in Fapply (nargs=2, args=0x7fff18b64b40) at eval.c:2294
#31 0x0000000000556db1 in Ffuncall (nargs=<optimised out>, 
    args=<optimised out>) at eval.c:2793
#32 0x000000000058b165 in exec_byte_code (bytestr=-514, 
    vector=140733607981424, maxdepth=140733607981552, args_template=12140850, 
    nargs=140733607988040, args=0x3) at bytecode.c:916
#33 0x0000000000556370 in eval_sub (address@hidden) at eval.c:2188
#34 0x0000000000559689 in internal_lisp_condition_case (var=<optimised out>, 
    bodyform=10005358, handlers=<optimised out>) at eval.c:1317
#35 0x000000000058c12d in exec_byte_code (bytestr=-514, 
    vector=140733607981424, maxdepth=140733607981552, args_template=12140850, 
    nargs=140733607988584, args=0x8f) at bytecode.c:1162
#36 0x000000000055695f in funcall_lambda (fun=10005045, address@hidden, 
    address@hidden) at eval.c:3045
#37 0x0000000000556cd3 in Ffuncall (address@hidden, 
    address@hidden) at eval.c:2873
---Type <return> to continue, or q <return> to quit---
#38 0x000000000055701a in call1 (fn=<optimised out>, address@hidden)
    at eval.c:2611
#39 0x00000000004eae7f in timer_check_2 (idle_timers=<optimised out>, 
    timers=<optimised out>) at keyboard.c:4514
#40 timer_check () at keyboard.c:4581
#41 0x00000000004eb191 in readable_events (flags=1) at keyboard.c:3447
#42 0x00000000004ec558 in get_input_pending (flags=1) at keyboard.c:6765
#43 0x00000000004ef9a4 in detect_input_pending_run_timers (
    address@hidden) at keyboard.c:9894

#44 0x0000000000595266 in wait_reading_process_output (
    address@hidden, address@hidden, 
    address@hidden, address@hidden, 
    wait_for_cell=12140850, address@hidden, 
    address@hidden) at process.c:4702
#45 0x0000000000421934 in sit_for (timeout=<optimised out>, 
    address@hidden, address@hidden)
    at dispnew.c:5861
#46 0x00000000004f06c4 in read_char (commandflag=1, address@hidden, 
    prev_event=12140850, address@hidden, 
    address@hidden) at keyboard.c:2809
---Type <return> to continue, or q <return> to quit---
#47 0x00000000004f1b9f in read_key_sequence (
    address@hidden, prompt=12140850, 
    address@hidden, 
    address@hidden, 
    address@hidden, 
    address@hidden, bufsize=30)
    at keyboard.c:9088
#48 0x00000000004f3790 in command_loop_1 () at keyboard.c:1452
#49 0x00000000005552ce in internal_condition_case (
    address@hidden <command_loop_1>, handlers=<optimised out>, 
    address@hidden <cmd_error>) at eval.c:1348
#50 0x00000000004e5c4e in command_loop_2 (address@hidden)
    at keyboard.c:1177
#51 0x00000000005551db in internal_catch (tag=12188354, 
    address@hidden <command_loop_2>, arg=12140850) at eval.c:1112
#52 0x00000000004ea137 in command_loop () at keyboard.c:1156
#53 recursive_edit_1 () at keyboard.c:777

#54 0x00000000004ea44d in Frecursive_edit () at keyboard.c:848
#55 0x0000000000417c35 in main (argc=<optimised out>, argv=0x7fff18b65b78)
    at emacs.c:1646
(gdb) 
(gdb) 





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