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Re: Memory again


From: emacs user
Subject: Re: Memory again
Date: Tue, 20 Dec 2011 08:34:44 +0200

> From:  Dmitry Antipov
>
> For whatever it's worth, I need to kill my emacs (GNU Emacs 24.0.92.1
> x86_64-apple-darwin11.2.0, NS apple-appkit-1138.23) several times a
> day when it reached over 300mb or it will crash.  This memory usage is
> *after* I kill all buffers and do M-x garbage collect.  I submitted a
> couple of bug reports, please see
> http://lists.gnu.org/archive/html/bug-gnu-emacs/2011-12/msg00404.html
> am happy to do additional tests if anyone could guide me.
>
> I'm not an expert in Apple world, but the first step looks almost obvious -
> can you try to use 'leaks' (for example, see http://shorestreet.com/node/4)
> and see whether it shows something useful?
>
> Dmitry
>

thanks!  here it is.  I attach both the leaks output, and the
backtrace/ xbacktrace for a crash that happens eventually.
At the time of this leaks report, emacs has 192Mb according to the
activity monitor, with all buffers deleted. happy to do additional
tests if needed.

------------------------------------------------------------------------
$ leaks 32883
Process:         Emacs [32883]
Path:            /usr/local/emacs/trunk/nextstep/Emacs.app/Contents/MacOS/Emacs
Load Address:    0x100000000
Identifier:      org.gnu.Emacs
Version:         Version 24.0.91 (9.0)
Code Type:       X86-64 (Native)
Parent Process:  launchd [140]

Date/Time:       2011-12-20 01:26:33.878 -0500
OS Version:      Mac OS X 10.7.2 (11C74)
Report Version:  7

leaks Report Version:  2.0
Process 32883: 340763 nodes malloced for 85315 KB
Process 32883: 141 leaks for 8592 total leaked bytes.
Leak: 0x106f89eb0  size=544  zone: DefaultMallocZone_0x100a63000
__NSCFString  ObjC  CoreFoundation
        0x788d1ae8 0x00007fff 0x00000790 0x00000001     ...x............
        0x00000100 0x00000000 0x00010000 0x00030002     ................
        0x00050004 0x00070006 0x00090008 0x000b000a     ................
        0x000d000c 0x000f000e 0x00110010 0x00130012     ................
        0x00150014 0x00170016 0x00190018 0x001b001a     ................
        0x001d001c 0x001f001e 0x00210020 0x00230022     ........ .!.".#.
        0x00250024 0x00270026 0x00290028 0x002b002a     $.%.&.'.(.).*.+.
        0x002d002c 0x002f002e 0x00310030 0x00330032     ,.-.../.0.1.2.3.
        ...
Leak: 0x107454320  size=544  zone: DefaultMallocZone_0x100a63000
__NSCFString  ObjC  CoreFoundation
        0x788d1ae8 0x00007fff 0x00000790 0x00000001     ...x............
        0x00000100 0x00000000 0x00010000 0x00030002     ................
        0x00050004 0x00070006 0x00090008 0x000b000a     ................
        0x000d000c 0x000f000e 0x00110010 0x00130012     ................
        0x00150014 0x00170016 0x00190018 0x001b001a     ................
        0x001d001c 0x001f001e 0x00210020 0x00230022     ........ .!.".#.
        0x00250024 0x00270026 0x00290028 0x002b002a     $.%.&.'.(.).*.+.
        0x002d002c 0x002f002e 0x00310030 0x00330032     ,.-.../.0.1.2.3.
        ...
Leak: 0x108018630  size=544  zone: DefaultMallocZone_0x100a63000
__NSCFString  ObjC  CoreFoundation
        0x788d1ae8 0x00007fff 0x00000790 0x00000001     ...x............
        0x00000100 0x00000000 0x00010000 0x00030002     ................
        0x00050004 0x00070006 0x00090008 0x000b000a     ................
        0x000d000c 0x000f000e 0x00110010 0x00130012     ................
        0x00150014 0x00170016 0x00190018 0x001b001a     ................
        0x001d001c 0x001f001e 0x00210020 0x00230022     ........ .!.".#.
        0x00250024 0x00270026 0x00290028 0x002b002a     $.%.&.'.(.).*.+.
        0x002d002c 0x002f002e 0x00310030 0x00330032     ,.-.../.0.1.2.3.
        ...
Leak: 0x106850160  size=80  zone: DefaultMallocZone_0x100a63000
NSCTFontDescriptor  ObjC  AppKit
        0x792a8c40 0x00007fff 0x00011d80 0x00000001     @.*y............
        0x00000000 0x00000000 0x8b7fbdee 0x00007fff     ................
        0x00000000 0x00000000 0x06850190 0x00000001     ................
        0x787d4a60 0x00007fff 0x0684ffd0 0x00000001     `J}x............
        0x80000000 0x00000000 0x00fe26f0 0x00000001     .........&......
Leak: 0x106878ed0  size=80  zone: DefaultMallocZone_0x100a63000
NSCTFontDescriptor  ObjC  AppKit
        0x792a8c40 0x00007fff 0x00011d80 0x00000001     @.*y............
        0x00000000 0x00000000 0x8b7fbdee 0x00007fff     ................
        0x00000000 0x00000000 0x06878f00 0x00000001     ................
        0x787d4a60 0x00007fff 0x06878dc0 0x00000001     `J}x............
        0x80000000 0x00000000 0x00fe26f0 0x00000001     .........&......
Leak: 0x106f8a0d0  size=80  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000100 0x00000000     ................
        0x00000000 0x00000000 0x00000001 0x00000001     ................
        0x00000002 0x00000000 0x00000100 0x00000000     ................
        0x06f8a120 0x00000001 0x00000000 0x00000000      ...............
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x1071aa7f0  size=80  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000100 0x00000000     ................
        0x00000000 0x00000000 0x00000001 0x00000001     ................
        0x00000002 0x00000000 0x00000100 0x00000000     ................
        0x07247ec0 0x00000001 0x00000000 0x00000000     .~$.............
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x1073592f0  size=80  zone: DefaultMallocZone_0x100a63000
_NSImageAuxiliary  ObjC  AppKit
        0x792a99b0 0x00007fff 0x06865800 0x00000001     ..*y.....X......
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x00000000 0x00000000 0x00000000 0x3ff00000     ...............?
        0x00000000 0x3ff00000 0x00000000 0x00000000     .......?........
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x107362530  size=80  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000100 0x00000000     ................
        0x00000000 0x00000000 0x00000001 0x00000001     ................
        0x00000002 0x00000000 0x00000100 0x00000000     ................
        0x08018040 0x00000001 0x00000000 0x00000000     @...............
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x1073786b0  size=80  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x001ca331 0x00000001     ........1.......
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x00000000 0x00000000 0x0180303a 0x00000001     ........:0......
        0x00000001 0x00000000 0x00000000 0x00000000     ................
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x1073ad730  size=80  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x001ca331 0x00000001     ........1.......
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x00000000 0x00000000 0x0180303a 0x00000001     ........:0......
        0x00000001 0x00000000 0x00000000 0x00000000     ................
        0x00000000 0x00000000 0x00000000 0x00000000     ................
Leak: 0x100d87150  size=64  zone: DefaultMallocZone_0x100a63000
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Leak: 0x100fe30d0  size=64  zone: DefaultMallocZone_0x100a63000
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NSImage  ObjC  AppKit
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NSAutoreleasePool  ObjC  Foundation
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Leak: 0x108014650  size=32  zone: DefaultMallocZone_0x100a63000
NSConcreteAttributedString  ObjC  Foundation
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        0x08014670 0x00000001 0x00000000 0x00000000     pF..............
Leak: 0x108041560  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x792cf1a0 0x00007fff 0x00000001 0x00020000     ..,y............
Leak: 0x108077dc0  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x0e9b4170 0x00000001 0x00696c65 0x00020000     pA......eli.....
Leak: 0x10808ac60  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x08447d20 0x00000001     ........ }D.....
        0x00000000 0x00000000 0x90090901 0x00027fff     ................
Leak: 0x108098330  size=32  zone: DefaultMallocZone_0x100a63000
__NSCFNumber  ObjC  CoreFoundation  value: 1
Leak: 0x1080df170  size=32  zone: DefaultMallocZone_0x100a63000
__NSCFNumber  ObjC  CoreFoundation  value: 1
Leak: 0x1080f0b50  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x080df170 0x00000001 0x00000001 0x00020000     p...............
Leak: 0x10850ec70  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x792cf120 0x00007fff     ........ .,y....
        0x00000000 0x00000000 0x00000000 0x00020000     ................
Leak: 0x10851e690  size=32  zone: DefaultMallocZone_0x100a63000
__NSCFNumber  ObjC  CoreFoundation  value: 1
Leak: 0x10853d090  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x792cf1a0 0x00007fff 0x00000000 0x00020000     ..,y............
Leak: 0x10855dad0  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
        0x0851e690 0x00000001 0x73616573 0x00020203     ..Q.....seas....
Leak: 0x10ac7e9c0  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x792cf120 0x00007fff     ........ .,y....
        0x00000000 0x00000000 0x0e3ec6d0 0x00020001     ..........>.....
Leak: 0x10e9b4170  size=32  zone: DefaultMallocZone_0x100a63000
__NSCFNumber  ObjC  CoreFoundation  value: 1
Leak: 0x10e9c39f0  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x00000000 0x00000000     ................
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        0x00000000 0x00000000 0x0ebd9830 0x00000001     ........0.......
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        0x00000000 0x00000000 0x074a1650 0x00000001     ........P.J.....
        0x00000000 0x00000000 0x00000000 0x00020007     ................
Leak: 0x10ed06940  size=32  zone: DefaultMallocZone_0x100a63000
__NSCFNumber  ObjC  CoreFoundation  value: 1
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__NSCFNumber  ObjC  CoreFoundation  value: 1
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        0x00000000 0x00000000 0x0ed07320 0x00000001     ........ s......
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Leak: 0x10ed073a0  size=32  zone: DefaultMallocZone_0x100a63000
        0x00000000 0x00000000 0x792cf120 0x00007fff     ........ .,y....
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__NSCFNumber  ObjC  CoreFoundation  value: 1
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        0x00000000 0x00000000 0x00000000 0x00000000     ................
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        0x00000000 0x00000000 0x0ed0afb0 0x00000001     ................
        0x00000000 0x00000000 0x00000000 0x00000000     ................
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        0x00000000 0x00000000 0x792cf120 0x00007fff     ........ .,y....
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        0x00000000 0x00000000 0x0e383fd0 0x00000001     .........?8.....
        0x00000000 0x00000000 0x00000000 0x00020000     ................
Leak: 0x106f84160  size=16  zone: DefaultMallocZone_0x100a63000
NSMutableRLEArray  ObjC  Foundation
        0x78ccea08 0x00007fff 0x06f8a0d0 0x00000001     ...x............
Leak: 0x10727dbd0  size=16  zone: DefaultMallocZone_0x100a63000
NSMutableRLEArray  ObjC  Foundation
        0x78ccea08 0x00007fff 0x071aa7f0 0x00000001     ...x............
Leak: 0x108014670  size=16  zone: DefaultMallocZone_0x100a63000
NSMutableRLEArray  ObjC  Foundation
        0x78ccea08 0x00007fff 0x07362530 0x00000001     ...x....0%6.....
address@hidden:~ $
------------------------------------------------------------------------
/usr/local/emacs/trunk $ cd
src/address@hidden:/usr/local/emacs/trunk/src $ gdb -r
../nextstep/Emacs.app/Contents/MacOS/Emacs
GNU gdb 6.3.50-20050815 (Apple version gdb-1705) (Fri Jul  1 10:50:06 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for
shared libraries ............ done

DISPLAY = /tmp/launch-lMLpCM/org.x:0
TERM = xterm-256color
Function "abort" not defined.
Breakpoint 1 at 0x1000be5de: file sysdep.c, line 854.
(gdb) run
Starting program:
/usr/local/emacs/trunk/nextstep/Emacs.app/Contents/MacOS/Emacs
Reading symbols for shared libraries
+++++++++++.................................................................................................................................
done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .. done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: 13 at address: 0x0000000000000000
mark_object () at alloc.c:5587
5587            if (ptr->gcmarkbit)
(gdb) xbacktrace
"byte-code" (0x5fbfd850)
"byte-code" (0x5fbfdb10)
"vm-read-index-file" (0x5fbfde58)
"byte-code" (0x5fbfdf10)
"vm-read-index-file-maybe" (0x5fbfe258)
"byte-code" (0x5fbfe340)
"vm" (0x5fbfe650)
"vm-my-open-folder-RMAIL" (0x5fbfe8b0)
"call-interactively" (0x5fbfeaa8)
(gdb) backtrace
#0  mark_object () at alloc.c:5587
#1  0x00000001000fdb60 in mark_object () at alloc.c:5595
#2  0x00000001000fdb0a in mark_object () at alloc.c:5592
#3  0x00000001000fdb01 in mark_object () at alloc.c:5591
#4  0x00000001000fdad8 in mark_vectorlike [inlined] () at
/usr/local/emacs/trunk/src/alloc.c:5391
#5  0x00000001000fdad8 in mark_object () at alloc.c:5579
#6  0x0000000100101f6b in Fgarbage_collect () at alloc.c:5099
#7  0x000000010011ac96 in Ffuncall (nargs=282508048478266,
args=0x7fff5fbfd710) at eval.c:2923
#8  0x0000000100155195 in exec_byte_code (bytestr=4296006374,
vector=4414034432, maxdepth=140734799795984, args_template=4320145466,
nargs=140734799795976, args=0x103706ddc) at bytecode.c:785
#9  0x000000010011cd57 in eval_sub (form=4296133950) at eval.c:2340
#10 0x000000010011ea6a in internal_lisp_condition_case
(var=4324704794, bodyform=4351855830, handlers=4352102646) at
eval.c:1453
#11 0x000000010015585f in exec_byte_code (bytestr=4296006374,
vector=4413818352, maxdepth=140734799796832, args_template=4320145466,
nargs=0, args=0x0) at bytecode.c:981
#12 0x000000010011cd57 in eval_sub (form=4296133950) at eval.c:2340
#13 0x000000010011e828 in internal_catch (tag=4324704794,
func=0x10011c6e0 <eval_sub>, arg=4324704794) at eval.c:1256
#14 0x000000010015582e in exec_byte_code (bytestr=4296006374,
vector=4413561360, maxdepth=140734799797480, args_template=4320145466,
nargs=0, args=0x0) at bytecode.c:966
#15 0x000000010011db0a in funcall_lambda (fun=140734799797696,
nargs=140734799797696, arg_vector=0x7fff5fbfddc0) at eval.c:3217
#16 0x000000010011b034 in Ffuncall (nargs=4320500586,
args=0x103693332) at eval.c:3035
#17 0x0000000100155195 in exec_byte_code (bytestr=4296006374,
vector=4414034304, maxdepth=140734799797840, args_template=4320145466,
nargs=140734799797832, args=0x0) at bytecode.c:785
#18 0x000000010011cd57 in eval_sub (form=4296133950) at eval.c:2340
#19 0x000000010011e828 in internal_catch (tag=2, func=0x10011c6e0
<eval_sub>, arg=2) at eval.c:1256
#20 0x000000010015582e in exec_byte_code (bytestr=4296006374,
vector=4413812688, maxdepth=140734799798504, args_template=4320145466,
nargs=0, args=0x0) at bytecode.c:966
#21 0x000000010011db0a in funcall_lambda (fun=140734799798720,
nargs=140734799798720, arg_vector=0x7fff5fbfe1c0) at eval.c:3217
#22 0x000000010011b034 in Ffuncall (nargs=4320500586,
args=0x1034f52f2) at eval.c:3035
#23 0x0000000100155195 in exec_byte_code (bytestr=4296006374,
vector=4350499328, maxdepth=140734799798864, args_template=4320145466,
nargs=140734799798856, args=0x22b) at bytecode.c:785
#24 0x000000010011cd57 in eval_sub (form=4296133950) at eval.c:2340
#25 0x000000010011e828 in internal_catch (tag=1, func=0x10011c6e0
<eval_sub>, arg=1) at eval.c:1256
#26 0x000000010015582e in exec_byte_code (bytestr=4296006374,
vector=4412514528, maxdepth=140734799799576, args_template=4320145466,
nargs=140734799799560, args=0x10352313c) at bytecode.c:966
#27 0x000000010011db0a in funcall_lambda (fun=140734799799872,
nargs=140734799799872, arg_vector=0x7fff5fbfe640) at eval.c:3217
#28 0x000000010011d272 in apply_lambda (fun=140734799799984, args=1)
at eval.c:3094
#29 0x000000010011ce77 in eval_sub (form=5) at eval.c:2379
#30 0x000000010011dabc in Fprogn [inlined] () at
/usr/local/emacs/trunk/src/eval.c:358
#31 0x000000010011dabc in funcall_lambda (fun=140734799800320,
nargs=140734799800320, arg_vector=0x7fff5fbfe800) at eval.c:3210
#32 0x000000010011b034 in Ffuncall (nargs=4412514885,
args=0x1037d42d2) at eval.c:3035
#33 0x000000010011d506 in apply1 (fn=Cannot access memory at address 0x0
) at eval.c:2722
#34 0x0000000100116755 in Fcall_interactively
(function=140734799800848, record_flag=140734799800848,
keys=140734799800848) at callint.c:379
#35 0x000000010011af73 in Ffuncall (nargs=4353508050,
args=0x10011b108) at eval.c:2993
#36 0x000000010011def6 in call3 (fn=4, arg1=0, arg2=140734799800496,
arg3=4296006988) at eval.c:2786
#37 0x00000001000b4b15 in command_loop_1 () at keyboard.c:1571
#38 0x000000010011e723 in internal_condition_case (bfun=0x1000b44d0
<command_loop_1>, handlers=4320201482, hfun=0x1000b5a60 <cmd_error>)
at eval.c:1499
#39 0x00000001000b44ae in command_loop_2 (ignore=4320271674) at keyboard.c:1159
#40 0x000000010011e828 in internal_catch (tag=4320271674,
func=0x1000b4470 <command_loop_2>, arg=4320271674) at eval.c:1256
#41 0x00000001000b5fc0 in command_loop [inlined] () at
/usr/local/emacs/trunk/src/keyboard.c:1138
#42 0x00000001000b5fc0 in recursive_edit_1 () at keyboard.c:758
#43 0x00000001000a5ddc in Frecursive_edit () at keyboard.c:822
#44 0x00000001000a2924 in main (argc=25230234, argv=0x7fff5fbff0a0) at
emacs.c:1709

Lisp Backtrace:
"byte-code" (0x5fbfd850)
"byte-code" (0x5fbfdb10)
"vm-read-index-file" (0x5fbfde58)
"byte-code" (0x5fbfdf10)
"vm-read-index-file-maybe" (0x5fbfe258)
"byte-code" (0x5fbfe340)
"vm" (0x5fbfe650)
"vm-my-open-folder-RMAIL" (0x5fbfe8b0)
"call-interactively" (0x5fbfeaa8)
(gdb)
------------------------------------------------------------------------



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