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Re: 23.0.60; Still font problems
From: |
Stephen Berman |
Subject: |
Re: 23.0.60; Still font problems |
Date: |
Thu, 15 May 2008 15:36:52 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
On Thu, 15 May 2008 12:03:07 +0200 Stephen Berman <address@hidden> wrote:
> On Thu, 15 May 2008 09:40:20 +0100 Jason Rumney <address@hidden> wrote:
>
>> Stephen Berman wrote:
>>> (gdb) pr spec
>>> The history is empty.
>>>
>>
>> You need to use "pp spec" here. "pr" prints the Lisp object
>> corresponding to the last "print" command, and does not take a
>> variable as an argument.
>
> Oh, thanks. Here it is:
>
> (gdb) br xfont_list
> Breakpoint 3 at 0x81c9e11: file xfont.c, line 308.
> (gdb) run -Q -fn "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1"
> Starting program: /Users/steve/cvsroot/emacs/src/emacs -Q -fn
> "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1"
> [Thread debugging using libthread_db enabled]
> [New Thread 0xb6dee8d0 (LWP 17590)]
> [Switching to Thread 0xb6dee8d0 (LWP 17590)]
>
> Breakpoint 3, xfont_list (frame=141326084, spec=138016964) at xfont.c:308
> 308 FRAME_PTR f = XFRAME (frame);
> (gdb) pp spec
> #<font-spec nil adobe fixed iso8859-1 nil nil nil nil nil nil nil ((:name .
> "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1"))>
>
> From her I single stepped through the program, but after many hundreds
> of iterations I gave up. Then I tried again, this time using various
> combinations of `s 1000', `s 500', `s 100', etc. but still never reached
> the place where I could single step until the failure happens before my
> patience ran out. A couple of times I overshot the mark, and gdb
> complained:
>
> Warning:
> Cannot insert breakpoint -495.
> Error accessing memory address 0x7b69477e: Input/output error.
>
> after which:
>
> (gdb) s
> Single stepping until exit from function siglongjmp,
> which has no line number information.
> Font `-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1' is not defined
>
> Program exited with code 0377.
>
> Is there any gdb command, or any advice, for stopping execution "close
> enough" to the point of failure so that I can single step up to it
> before my fingers go numb?
I have now managed to step through till the point of failure. Since I
determined by trial and error that it was over 27000 steps after the
break point, I used `s 27000' and then single stepped. Here's the
output of the latter; if it's not useful, I don't know what else to do
-- I can't take the time to single step through 27000 lines of code.
(gdb) br xfont_list
Breakpoint 3 at 0x81c9e11: file xfont.c, line 308.
(gdb) run -Q -fn "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1"
Starting program: /Users/steve/cvsroot/emacs/src/emacs -Q -fn
"-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1"
[Thread debugging using libthread_db enabled]
[New Thread 0xb6e288d0 (LWP 26493)]
[Switching to Thread 0xb6e288d0 (LWP 26493)]
Breakpoint 3, xfont_list (frame=141326084, spec=138016964) at xfont.c:308
308 FRAME_PTR f = XFRAME (frame);
(gdb) s 27000
Single stepping until exit from function free,
which has no line number information.
Single stepping until exit from function free,
which has no line number information.
Single stepping until exit from function free,
which has no line number information.
Single stepping until exit from function free,
which has no line number information.
Single stepping until exit from function free,
which has no line number information.
206 if (TERMINALP (terminal))
(gdb) s 100
1404 list = XCDR (list);
(gdb) s
1405 if (!CONSP (list) || EQ (XCAR (list), elt))
(gdb) s
1408 list = XCDR (list);
(gdb) s
1409 QUIT;
(gdb) s
1397 if (!CONSP (list) || EQ (XCAR (list), elt))
(gdb) s
1400 list = XCDR (list);
(gdb) s
1401 if (!CONSP (list) || EQ (XCAR (list), elt))
(gdb) s
1412 CHECK_LIST (list);
(gdb) s
1414 }
(gdb) s
Fbyte_code (bytestr=136734851, vector=136734868, maxdepth=<value optimized out>)
at bytecode.c:561
561 AFTER_POTENTIAL_GC ();
(gdb) s
560 TOP = Fmemq (TOP, v1);
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
697 op -= Bunbind;
(gdb) s
700 unbind_to (SPECPDL_INDEX () - op, Qnil);
(gdb) s
699 BEFORE_POTENTIAL_GC ();
(gdb) s
700 unbind_to (SPECPDL_INDEX () - op, Qnil);
(gdb) s
unbind_to (count=4, value=137771209) at eval.c:3367
3367 Lisp_Object quitf = Vquit_flag;
(gdb) s
3371 Vquit_flag = Qnil;
(gdb) s
3367 Lisp_Object quitf = Vquit_flag;
(gdb) s
3371 Vquit_flag = Qnil;
(gdb) s
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3382 this_binding = *--specpdl_ptr;
(gdb) s
3384 if (this_binding.func != 0)
(gdb) s
3393 else if (CONSP (this_binding.symbol))
(gdb) s
3412 if (!MISCP (SYMBOL_VALUE (this_binding.symbol)))
(gdb) s
3413 SET_SYMBOL_VALUE (this_binding.symbol,
this_binding.old_value);
(gdb) s
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3419 if (NILP (Vquit_flag) && !NILP (quitf))
(gdb) s
3424 }
(gdb) s
Fbyte_code (bytestr=136734851, vector=136734868, maxdepth=<value optimized out>)
at bytecode.c:701
701 AFTER_POTENTIAL_GC ();
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
736 MAYBE_GC ();
(gdb) s
737 op = FETCH2;
(gdb) s
738 if (NILP (TOP))
(gdb) s
740 BYTE_CODE_QUIT;
(gdb) s
737 op = FETCH2;
(gdb) s
742 stack.pc = stack.byte_string_start + op;
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
1665 byte_stack_list = byte_stack_list->next;
(gdb) s
816 result = POP;
(gdb) s
1665 byte_stack_list = byte_stack_list->next;
(gdb) s
1668 if (SPECPDL_INDEX () != count)
(gdb) s
1676 }
(gdb) s
funcall_lambda (fun=136734804, nargs=0, arg_vector=0xbf9927d4) at eval.c:3222
3222 return unbind_to (count, val);
(gdb) s
unbind_to (count=3, value=137771209) at eval.c:3367
3367 Lisp_Object quitf = Vquit_flag;
(gdb) s
3371 Vquit_flag = Qnil;
(gdb) s
3367 Lisp_Object quitf = Vquit_flag;
(gdb) s
3371 Vquit_flag = Qnil;
(gdb) s
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3382 this_binding = *--specpdl_ptr;
(gdb) s
3384 if (this_binding.func != 0)
(gdb) s
3393 else if (CONSP (this_binding.symbol))
(gdb) s
3412 if (!MISCP (SYMBOL_VALUE (this_binding.symbol)))
(gdb) s
3413 SET_SYMBOL_VALUE (this_binding.symbol,
this_binding.old_value);
(gdb) s
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3419 if (NILP (Vquit_flag) && !NILP (quitf))
(gdb) s
3424 }
(gdb) s
funcall_lambda (fun=136734804, nargs=0, arg_vector=0xbf9927d4) at eval.c:3223
3223 }
(gdb) s
Ffuncall (nargs=1, args=0xbf9927d0) at eval.c:3099
3099 lisp_eval_depth--;
(gdb) s
3100 if (backtrace.debug_on_exit)
(gdb) s
3102 backtrace_list = backtrace.next;
(gdb) s
3104 }
(gdb) s
Fbyte_code (bytestr=136490859, vector=136490884, maxdepth=<value optimized out>)
at bytecode.c:679
679 AFTER_POTENTIAL_GC ();
(gdb) s
678 TOP = Ffuncall (op + 1, &TOP);
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
527 MAYBE_GC ();
(gdb) s
528 op = FETCH2;
(gdb) s
529 v1 = POP;
(gdb) s
530 if (NILP (v1))
(gdb) s
532 BYTE_CODE_QUIT;
(gdb) s
528 op = FETCH2;
(gdb) s
534 stack.pc = stack.byte_string_start + op;
(gdb) s
528 op = FETCH2;
(gdb) s
534 stack.pc = stack.byte_string_start + op;
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
1658 PUSH (vectorp[op - Bconstant]);
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
477 op = FETCH;
(gdb) s
480 switch (op)
(gdb) s
1665 byte_stack_list = byte_stack_list->next;
(gdb) s
816 result = POP;
(gdb) s
1665 byte_stack_list = byte_stack_list->next;
(gdb) s
1668 if (SPECPDL_INDEX () != count)
(gdb) s
1676 }
(gdb) s
Feval (form=136490845) at eval.c:2428
2428 lisp_eval_depth--;
(gdb) s
2429 if (backtrace.debug_on_exit)
(gdb) s
2431 backtrace_list = backtrace.next;
(gdb) s
2434 }
(gdb) s
Fprogn (args=136490837) at eval.c:450
450 args = XCDR (args);
(gdb) s
449 val = Feval (XCAR (args));
(gdb) s
447 while (CONSP (args))
(gdb) s
455 }
(gdb) s
unbind_to (count=32, value=137771209) at eval.c:3373
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3382 this_binding = *--specpdl_ptr;
(gdb) s
3384 if (this_binding.func != 0)
(gdb) s
3393 else if (CONSP (this_binding.symbol))
(gdb) s
3412 if (!MISCP (SYMBOL_VALUE (this_binding.symbol)))
(gdb) s
3413 SET_SYMBOL_VALUE (this_binding.symbol,
this_binding.old_value);
(gdb) s
3373 while (specpdl_ptr != specpdl + count)
(gdb) s
3419 if (NILP (Vquit_flag) && !NILP (quitf))
(gdb) s
3424 }
(gdb) s
unwind_to_catch (catch=0xbf99337c, value=<value optimized out>) at eval.c:1281
1281 handlerlist = catchlist->handlerlist;
(gdb) s
1284 while (! last_time);
(gdb) s
1281 handlerlist = catchlist->handlerlist;
(gdb) s
1282 catchlist = catchlist->next;
(gdb) s
1284 while (! last_time);
(gdb) s
1296 byte_stack_list = catch->byte_stack;
(gdb) s
1307 _longjmp (catch->jmp, 1);
(gdb) s
1296 byte_stack_list = catch->byte_stack;
(gdb) s
1297 gcprolist = catch->gcpro;
(gdb) s
1304 backtrace_list = catch->backlist;
(gdb) s
1305 lisp_eval_depth = catch->lisp_eval_depth;
(gdb) s
1307 _longjmp (catch->jmp, 1);
(gdb) s
Warning:
Cannot insert breakpoint -248.
Error accessing memory address 0xfe120f84: Input/output error.
(gdb) s
Single stepping until exit from function siglongjmp,
which has no line number information.
Font `-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1' is not defined
Program exited with code 0377.
Steve Berman
- 23.0.60; Still font problems, jpff, 2008/05/14
- Re: 23.0.60; Still font problems, Kenichi Handa, 2008/05/14
- Re: 23.0.60; Still font problems, jpff, 2008/05/15
- Re: 23.0.60; Still font problems, Kenichi Handa, 2008/05/15
- Re: 23.0.60; Still font problems, Stephen Berman, 2008/05/15
- Re: 23.0.60; Still font problems, Jason Rumney, 2008/05/15
- Re: 23.0.60; Still font problems, Stephen Berman, 2008/05/15
- Re: 23.0.60; Still font problems,
Stephen Berman <=
- Re: 23.0.60; Still font problems, Kenichi Handa, 2008/05/15
- Re: 23.0.60; Still font problems, Stephen Berman, 2008/05/16