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Re: Tramp with global-auto-revert-mode.
From: |
Luc Teirlinck |
Subject: |
Re: Tramp with global-auto-revert-mode. |
Date: |
Sun, 16 May 2004 13:11:03 -0500 (CDT) |
Eli Zaretskii wrote:
Did you look in etc/DEBUG? It has a section about debugging crashes
in GC. You need to use the last_marked[] array to guide you through
the recursive invocations of mark_object and its ilk, and find out
which part of what Lisp data structure is being marked when the
disaster strikes.
I forgot to read that. However, I have trouble making sense of the
contents of last_marked and I do not really understand the gc code.
Using the very latest crash I produced, I get the _impression_ that gc
is examining some structure related to the
*tramp/ssh raven.dms.auburn.edu* buffer, but that is just a guess.
(gdb) run -q --eval '(progn (blink-cursor-mode 0) (global-auto-revert-mode 1))'
Starting program: /home/teirllm/emacscvsdir/emacs/src/emacs-21.3.50.1 -q --eval
'(progn (blink-cursor-mode 0) (global-auto-revert-mode 1))'
Breakpoint 1, abort () at emacs.c:434
434 kill (getpid (), SIGABRT);
(gdb) bt
#0 abort () at emacs.c:434
#1 0x0812a575 in mark_object (arg=145714794) at alloc.c:5034
#2 0x0812a5d6 in mark_object (arg=148693005) at alloc.c:5051
#3 0x0812948a in mark_memory (start=0xbffe91d0, end=0xbffff57c)
at alloc.c:3781
#4 0x081294f5 in mark_stack () at alloc.c:4055
#5 0x08129aba in Fgarbage_collect () at alloc.c:4429
I omit the rest of the bt-output, since it is unrelated to gc.
(gdb) p last_marked_index
$197 = 18
(gdb) p last_marked[17]
$198 = 145714794
(gdb) pr
#<misc free cell>
(gdb) p last_marked[16]
$199 = 148693005
(gdb) pr
(#<misc free cell> . -37)
(gdb) p last_marked[15]
$200 = 143097017
(gdb) pr
(gdb) xtype
Lisp_Symbol
(gdb) xsymbol
$201 = (struct Lisp_Symbol *) 0x8877cb8
Argument to arithmetic operation not a number or boolean.
(gdb) p *$201
$202 = {
gcmarkbit = 1,
indirect_variable = 0,
constant = 0,
interned = 2,
xname = 143098427,
value = 138193545,
function = 138193545,
plist = 138193521,
next = 0x86621b0
}
(gdb) p $202->xname
$203 = 143098427
(gdb) pr
""
(gdb) xstring
$204 = (struct Lisp_String *) 0x8878238
"cygwin-mount-map-drive-hook-function"
(gdb) p last_marked[14]
$205 = 148054205
(gdb) pr
()
(gdb) p last_marked[13]
$206 = 143096993
(gdb) pr
(gdb) xtype
Lisp_Symbol
(gdb) xsymbol
$207 = (struct Lisp_Symbol *) 0x8877ca0
Argument to arithmetic operation not a number or boolean.
(gdb) p *$207
$208 = {
gcmarkbit = 1,
indirect_variable = 0,
constant = 0,
interned = 2,
xname = 143098411,
value = 138193545,
function = 138193545,
plist = 138193521,
next = 0x8636688
}
(gdb) p $208->xname
$209 = 143098411
(gdb) pr
""
(gdb) xstring
$210 = (struct Lisp_String *) 0x8878228
"cygwin-mount-name-hook-function"
(gdb) p last_marked[12]
$211 = 148054197
(gdb) pr
( )
(gdb) p last_marked[11]
$212 = 138971849
(gdb) pr
tramp-completion-file-name-handler
(gdb) p last_marked[10]
$213 = 148054029
(gdb) pr
(tramp-completion-file-name-handler )
(gdb) p last_marked[9]
$214 = 145715130
(gdb) pr
#<marker at 185421 in *tramp/ssh raven.dms.auburn.edu*>
(gdb) p last_marked[8]
$215 = 920
(gdb) pr
115
(gdb) p last_marked[7]
$216 = 148538453
(gdb) pr
(115)
(gdb) p last_marked[6]
$217 = 936
(gdb) pr
117
(gdb) p last_marked[5]
$218 = 148538277
(gdb) pr
(117)
(gdb) p last_marked[4]
$219 = 880
(gdb) pr
110
(gdb) p last_marked[3]
$220 = 148538285
(gdb) pr
(110 117)
(gdb) p last_marked[2]
$221 = 920
(gdb) pr
115
(gdb) p last_marked[1]
$222 = 148538293
(gdb) pr
(115 110 117)
(gdb) p last_marked[0]
$223 = 840
(gdb) pr
105
- Re: Tramp with global-auto-revert-mode., (continued)
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/14
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/14
- Re: Tramp with global-auto-revert-mode., Richard Stallman, 2004/05/15
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/15
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/15
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/15
- Re: Tramp with global-auto-revert-mode., Andreas Schwab, 2004/05/16
- Re: Tramp with global-auto-revert-mode., Richard Stallman, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Eli Zaretskii, 2004/05/16
- Re: Tramp with global-auto-revert-mode.,
Luc Teirlinck <=
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/16
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/16
- Re: Tramp with global-auto-revert-mode., Kim F. Storm, 2004/05/16
- Re: Tramp with global-auto-revert-mode., Kai Grossjohann, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Kim F. Storm, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Kim F. Storm, 2004/05/17
- Re: Tramp with global-auto-revert-mode., Stefan Monnier, 2004/05/18
- Re: Tramp with global-auto-revert-mode., Luc Teirlinck, 2004/05/18
- Re: Tramp with global-auto-revert-mode., Kim F. Storm, 2004/05/23