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bug#23424: 25.0.93; error in process sentinel with Melpa added to packag


From: Kaushal Modi
Subject: bug#23424: 25.0.93; error in process sentinel with Melpa added to package-archives
Date: Mon, 02 May 2016 16:54:12 +0000

Looks like, some minor mode keeps on checking for balanced parentheses and throws errors as I type "(require 'package)" after "r -Q" in gdb.

Is that expected? If so, what do you need to disable to prevent these false breakpoints?

Thanks.

Here's a backtrace for that:

(emacs:38938): GLib-GIO-CRITICAL **: g_settings_schema_source_lookup: assertion 'source != NULL' failed

Breakpoint 3, Fsignal (error_symbol=41328, data="" at eval.c:1471
1471        = (NILP (error_symbol) ? Fcar (data) : error_symbol);
(gdb) bt
#0  Fsignal (error_symbol=41328, data="" at eval.c:1471
#1  0x00000000005f3742 in xsignal (error_symbol=41328, data="" at eval.c:1577
#2  0x00000000005f3817 in xsignal3 (error_symbol=41328, arg1=18570180, arg2=586, arg3=586) at eval.c:1604
#3  0x0000000000636545 in scan_lists (from=146, count=-1, depth=-1, sexpflag=true) at syntax.c:2947
#4  0x0000000000636e34 in Fscan_sexps (from=590, count=-2) at syntax.c:3076
#5  0x00000000005f631a in Ffuncall (nargs=3, args=0x7fffffff64b0) at eval.c:2696
#6  0x000000000063c073 in exec_byte_code (bytestr=11043980, vector=11044013, maxdepth=18, args_template=1026, nargs=1, args=0x7fffffff6a00) at bytecode.c:880
#7  0x00000000005f6b6c in funcall_lambda (fun=11043925, nargs=1, arg_vector=0x7fffffff69f8) at eval.c:2855
#8  0x00000000005f6568 in Ffuncall (nargs=2, args=0x7fffffff69f0) at eval.c:2742
#9  0x000000000063c073 in exec_byte_code (bytestr=11111676, vector=11111709, maxdepth=22, args_template=2, nargs=0, args=0x7fffffff6f10) at bytecode.c:880
#10 0x00000000005f6b6c in funcall_lambda (fun=11111637, nargs=0, arg_vector=0x7fffffff6f10) at eval.c:2855
#11 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff6f08) at eval.c:2742
#12 0x000000000063c073 in exec_byte_code (bytestr=11111564, vector=11111597, maxdepth=14, args_template=2, nargs=0, args=0x7fffffff7438) at bytecode.c:880
#13 0x00000000005f6b6c in funcall_lambda (fun=11111525, nargs=0, arg_vector=0x7fffffff7438) at eval.c:2855
#14 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff7430) at eval.c:2742
#15 0x000000000063c073 in exec_byte_code (bytestr=11109500, vector=11109533, maxdepth=22, args_template=2, nargs=0, args=0x7fffffff7ab0) at bytecode.c:880
#16 0x00000000005f6b6c in funcall_lambda (fun=11109453, nargs=0, arg_vector=0x7fffffff7ab0) at eval.c:2855
#17 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff7aa8) at eval.c:2742
#18 0x00000000005f5220 in Fapply (nargs=2, args=0x7fffffff7aa8) at eval.c:2274
#19 0x00000000005f61e8 in Ffuncall (nargs=3, args=0x7fffffff7aa0) at eval.c:2673
#20 0x000000000063c073 in exec_byte_code (bytestr=17759172, vector=18920261, maxdepth=18, args_template=514, nargs=0, args=0x7fffffff7fd8) at bytecode.c:880
#21 0x00000000005f6b6c in funcall_lambda (fun=19745725, nargs=0, arg_vector=0x7fffffff7fd8) at eval.c:2855
#22 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff7fd0) at eval.c:2742
#23 0x000000000063c073 in exec_byte_code (bytestr=11361660, vector=11361693, maxdepth=18, args_template=2, nargs=0, args=0x7fffffff8500) at bytecode.c:880
#24 0x00000000005f6b6c in funcall_lambda (fun=11361621, nargs=0, arg_vector=0x7fffffff8500) at eval.c:2855
#25 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff84f8) at eval.c:2742
#26 0x000000000063c073 in exec_byte_code (bytestr=11360308, vector=11360341, maxdepth=10, args_template=2, nargs=0, args=0x7fffffff8b68) at bytecode.c:880
#27 0x00000000005f6b6c in funcall_lambda (fun=11360269, nargs=0, arg_vector=0x7fffffff8b68) at eval.c:2855
#28 0x00000000005f6568 in Ffuncall (nargs=1, args=0x7fffffff8b60) at eval.c:2742
#29 0x00000000005f5220 in Fapply (nargs=2, args=0x7fffffff8b60) at eval.c:2274
#30 0x00000000005f61e8 in Ffuncall (nargs=3, args=0x7fffffff8b58) at eval.c:2673
#31 0x000000000063c073 in exec_byte_code (bytestr=10909844, vector=10909877, maxdepth=30, args_template=0, nargs=0, args=0x0) at bytecode.c:880
#32 0x00000000005f6ea8 in funcall_lambda (fun=10909797, nargs=1, arg_vector=0xa678b5 <pure+1394613>) at eval.c:2921
#33 0x00000000005f6568 in Ffuncall (nargs=2, args=0x7fffffff90a0) at eval.c:2742
#34 0x00000000005f5d10 in call1 (fn=45648, arg1=20350077) at eval.c:2552
#35 0x0000000000561100 in timer_check_2 (timers=14843027, idle_timers=14842995) at keyboard.c:4419
#36 0x000000000056122e in timer_check () at keyboard.c:4481
#37 0x000000000055f0c6 in readable_events (flags=1) at keyboard.c:3320
#38 0x0000000000565979 in get_input_pending (flags=1) at keyboard.c:6717
#39 0x000000000056bab1 in detect_input_pending_run_timers (do_display=true) at keyboard.c:9854
#40 0x0000000000649b14 in wait_reading_process_output (time_limit=30, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=0, wait_proc=0x0, just_wait_proc=0) at process.c:4950
#41 0x00000000004266ef in sit_for (timeout=122, reading=true, display_option=1) at dispnew.c:5762
#42 0x000000000055d9b3 in read_char (commandflag=1, map=14847235, prev_event=0, used_mouse_menu=0x7fffffff9a1f, end_time=0x0) at keyboard.c:2706
#43 0x000000000056a2d9 in read_key_sequence (keybuf=0x7fffffff9bd0, bufsize=30, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9055
#44 0x000000000055a8a9 in command_loop_1 () at keyboard.c:1357
#45 0x00000000005f2f86 in internal_condition_case (bfun=0x55a49f <command_loop_1>, handlers=19056, hfun=0x559c89 <cmd_error>) at eval.c:1309
#46 0x000000000055a1a7 in command_loop_2 (ignore=0) at keyboard.c:1099
#47 0x00000000005f28a6 in internal_catch (tag=46224, func=0x55a17e <command_loop_2>, arg=0) at eval.c:1074
#48 0x000000000055a147 in command_loop () at keyboard.c:1078
#49 0x0000000000559858 in recursive_edit_1 () at keyboard.c:684
#50 0x00000000005599eb in Frecursive_edit () at keyboard.c:755
#51 0x00000000005578aa in main (argc=2, argv=0x7fffffffa068) at emacs.c:1606

Lisp Backtrace:
"scan-sexps" (0xffff64b8)
"forward-sexp" (0xffff69f8)
"elisp--beginning-of-sexp" (0xffff6f10)
"elisp--fnsym-in-current-sexp" (0xffff7438)
"elisp-eldoc-documentation-function" (0xffff7ab0)
"apply" (0xffff7aa8)
0x12d4bb8 PVEC_COMPILED
"eldoc-print-current-symbol-info" (0xffff8500)
0xad5808 PVEC_COMPILED
"apply" (0xffff8b60)
"timer-event-handler" (0xffff90a8)

On Mon, May 2, 2016 at 12:41 PM Kaushal Modi <address@hidden> wrote:
Sorry, I figured out my mistake (with respect to be unable to set breakpoint). It's still not working smoothly.. the breakpoint is activated with each character I type.. so not sure what's up.

As you already have the debug info, I will put learning gdb on my short term to-learn list.

Thanks.

=====
Are you sure you want to change it? (y or n) [answered Y; input not from terminal]
DISPLAY = :1.0
TERM = xterm-256color
Breakpoint 1 at 0x555e7d: file emacs.c, line 354.
Temporary breakpoint 2 at 0x578c80: file sysdep.c, line 915.
(gdb) break Fsignal
Breakpoint 3 at 0x5f338c: file eval.c, line 1471.
(gdb) bt
No stack.
(gdb) r -Q
Starting program: /home/kmodi/downloads/git/emacs/src/emacs -Q
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffed75f700 (LWP 27555)]

(emacs:27551): GLib-GIO-CRITICAL **: g_settings_schema_source_lookup: assertion 'source != NULL' failed

Breakpoint 3, Fsignal (error_symbol=41328, data="" at eval.c:1471
1471        = (NILP (error_symbol) ? Fcar (data) : error_symbol);
(gdb) c
Continuing.

Breakpoint 3, Fsignal (error_symbol=41328, data="" at eval.c:1471
1471        = (NILP (error_symbol) ? Fcar (data) : error_symbol);
(gdb) c
Continuing.

Breakpoint 3, Fsignal (error_symbol=41328, data="" at eval.c:1471
1471        = (NILP (error_symbol) ? Fcar (data) : error_symbol);
(gdb) c
Continuing.

Breakpoint 3, Fsignal (error_symbol=41328, data="" at eval.c:1471
1471        = (NILP (error_symbol) ? Fcar (data) : error_symbol);
--

--
Kaushal Modi

--

--
Kaushal Modi


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