Xorg consome 1.1GB, é um vazamento?

2

Estou enfrentando um problema no qual o Xorg começa a consumir mais e mais memória e, finalmente, consome todo o espaço de troca. Como mostrado abaixo, o virtual da Xorg memória é de cerca de 1,1 GB. Meu sistema executa apenas um aplicativo GTK "main_app" e eu não tenho o Gnome, só tenho o IceWM instalado. Quando este cenário acontece, o sistema rastreia e apenas uma reinicialização é o caminho para se recuperar.

top - 00:01:09 up 24 days,  6:51,  6 users,  load average: 6.89, 3.63, 2.76
Tasks: 126 total,   1 running, 123 sleeping,   2 stopped,   0 zombie
Cpu(s):  1.0%us,  3.4%sy,  0.0%ni,  0.0%id, 95.6%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:    505644k total,   442536k used,    63108k free,     1424k buffers
Swap:  2095096k total,  1246372k used,   848724k free,    16400k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 1598 root      19  -1 1145m  39m 1308 S    0  8.0 375:06.84 Xorg
 2293 root      20   0  100m 6876 3932 S    2  1.4 747:08.62 main_app
  514 root      20   0 53460  324  140 S    0  0.1  70:38.16 net.agent
 1998 root      20   0 53460  368  140 S    0  0.1  70:40.18 net.agent
23787 root      20   0 53460 9980  196 D    1  2.0   0:00.21 net.agent
23801 root      20   0 53460 9248  196 D    1  1.8   0:00.19 net.agent
 1343 root      20   0 28472  804  564 S    0  0.2   0:03.88 rsyslogd
 3179 root      20   0 23712  180  136 S    0  0.0   0:15.82 MSPAgent

Como visto abaixo, o / proc / pid / smaps mostra que o heap do xorg tem todos os 1.1GB.

08231000-4da43000 rw-p 00000000 00:00 0          [heap]
Size:            1138760 kB
Rss:               35444 kB
Pss:               35444 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:      1476 kB
Private_Dirty:     33968 kB
Referenced:        26436 kB
Swap:            1103276 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB

Eu rodei o xrestop, mas vejo que o "main_app" não é o culpado.

xrestop - Display: :0.0
          Monitoring 9 clients. XErrors: 0
          Pixmaps:    1465K total, Other:      35K total, All:    1500K total

res-base Wins  GCs Fnts Pxms Misc   Pxm mem  Other   Total   PID Identifier
0e00000     7   30    2    8   27     1378K      3K   1381K  2293 main_app
0c00000    67    8    1   38  840       87K     22K    109K   ?   <unknown>
0800000     2    7    6    1   22        0B      6K      6K  1647 uxterm
0000000     1    0    2    0   36        0B      2K      2K   ?   <unknown>
0a00000     2    1    0    0    1        0B     96B     96B   ?   <unknown>
1000000     1    1    0    0    0        0B     48B     48B   ?   xrestop
0400000     1    1    0    0    0        0B     48B     48B   ?   <unknown>
0600000     0    1    0    0    0        0B     24B     24B   ?   <unknown>
0200000     0    1    0    0    0        0B     24B     24B   ?   <unknown>

Não sei por que o xorg continua crescendo. Por favor me dê algumas dicas sobre onde e o que procurar.

Eu estou no Debian Linux: debian: ~ # uname -a Linux debian 2.6.32-5-686 # 1 SMP Ter Mar 8 21:36:00 UTC 2011 i686 GNU / Linux debian: ~ #

CPU Intel (R) Atom (TM) N270 @ 1.60GHz

A seguir está a saída do pmap para o processo xorg. Curiosamente, o total é de 1,1 GB, no entanto, as entradas individuais não se somam a ele.

debian:~# pmap -x 1598 | more
1598:   /usr/bin/X :0 -br -nocursor -auth /tmp/serverauth.O1gWpWvWuP
Address   Kbytes     RSS   Dirty Mode   Mapping
08048000       0     404       0 r-x--  Xorg
081e3000       0      24      12 rw---  Xorg
081ef000       0      40      24 rw---    [ anon ]
08231000       0   36188   35232 rw---    [ anon ]
b5422000       0    1892    1888 rw---    [ anon ]
b59a1000       0     384       0 rw-s-    [ shmid=0x520000 ]
b5bd6000       0       0       0 rw---    [ anon ]
b5e85000       0       0       0 r-x--  libexpat.so.1.5.2
b5ea9000       0       0       0 rw---  libexpat.so.1.5.2
b5eab000       0       0       0 r-x--  evdev_drv.so
b5eb3000       0       0       0 rw---  evdev_drv.so
b5eb4000       0       0       0 r-x--  swrast_dri.so
b60c8000       0       0       0 rw---  swrast_dri.so
b60cd000       0    1876    1876 rw---    [ anon ]
b6f83000       0    3072       0 rw-s-  fb0
b7283000       0       8       0 r-x--  libshadow.so
b7288000       0       4       4 rw---  libshadow.so
b7289000       0      56       0 r-x--  libfb.so
b72a6000       0       4       4 rw---  libfb.so
b72a7000       0       0       0 r-x--  libfbdevhw.so
b72ab000       0       0       0 rw---  libfbdevhw.so
b72ac000       0       4       0 r-x--  fbdev_drv.so
b72b0000       0       4       0 rw---  fbdev_drv.so
b72b1000       0       0       0 r-x--  librecord.so
b72b7000       0       0       0 rw---  librecord.so
b72b8000       0      12       0 r-x--  libglx.so
b7307000       0       8       0 rw---  libglx.so
b730a000       0      12       0 r-x--  libselinux.so.1
b7323000       0       0       0 r----  libselinux.so.1
b7324000       0       0       0 rw---  libselinux.so.1
b7325000       0       0       0 r-x--  libextmod.so
b7341000       0       4       4 rw---  libextmod.so
b7343000       0       0       0 r-x--  libdrm.so.2.4.0
b734c000       0       0       0 rw---  libdrm.so.2.4.0
b734d000       0       0       0 r-x--  libdri.so
b7355000       0       0       0 rw---  libdri.so
b7356000       0       0       0 r-x--  libgcc_s.so.1
b7373000       0       0       0 rw---  libgcc_s.so.1
b7374000       0       4       4 rw---    [ anon ]
b7376000       0       0       0 r-x--  libgpg-error.so.0.4.0
b7379000       0       0       0 rw---  libgpg-error.so.0.4.0
b737a000       0       0       0 r-x--  libfontenc.so.1.0.0
b737f000       0       0       0 rw---  libfontenc.so.1.0.0
b7380000       0       0       0 r-x--  libbz2.so.1.0.4
b7390000       0       0       0 rw---  libbz2.so.1.0.4
b7391000       0       0       0 r-x--  libfreetype.so.6.6.0
b7404000       0       0       0 rw---  libfreetype.so.6.6.0
b7408000       0       0       0 r-x--  libz.so.1.2.3.4
b741b000       0       0       0 rw---  libz.so.1.2.3.4
b741c000       0       0       0 rw---    [ anon ]
b741d000       0     128       0 r-x--  libc-2.11.2.so
b755d000       0       4       0 r----  libc-2.11.2.so
b755f000       0       4       0 rw---  libc-2.11.2.so
b7560000       0       8       4 rw---    [ anon ]
b7563000       0       8       0 r-x--  librt-2.11.2.so
b756a000       0       4       0 r----  librt-2.11.2.so
b756b000       0       0       0 rw---  librt-2.11.2.so
b756c000       0       4       0 r-x--  libm-2.11.2.so
b7590000       0       0       0 r----  libm-2.11.2.so
b7591000       0       0       0 rw---  libm-2.11.2.so
b7592000       0       0       0 r-x--  libaudit.so.0.0.0
b75a9000       0       4       0 r----  libaudit.so.0.0.0
b75aa000       0       0       0 rw---  libaudit.so.0.0.0
b75ab000       0       0       0 r-x--  libgcrypt.so.11.5.3
b761c000       0       8       4 rw---  libgcrypt.so.11.5.3
b761f000       0       0       0 r-x--  libXdmcp.so.6.0.0
b7623000       0       0       0 rw---  libXdmcp.so.6.0.0
b7624000       0       0       0 rw---    [ anon ]
b7625000       0      72       0 r-x--  libpixman-1.so.0.16.4
b767c000       0       8       0 rw---  libpixman-1.so.0.16.4
b767e000       0       0       0 r-x--  libXau.so.6.0.0
b7680000       0       0       0 rw---  libXau.so.6.0.0
b7681000       0       8       0 r-x--  libXfont.so.1.4.1
b76b5000       0       0       0 rw---  libXfont.so.1.4.1
b76b7000       0      12       0 r-x--  libpthread-2.11.2.so
b76cc000       0       4       0 r----  libpthread-2.11.2.so
b76cd000       0       0       0 rw---  libpthread-2.11.2.so
b76ce000       0       0       0 rw---    [ anon ]
b76d0000       0       4       0 r-x--  libdl-2.11.2.so
b76d2000       0       4       0 r----  libdl-2.11.2.so
b76d3000       0       0       0 rw---  libdl-2.11.2.so
b76d4000       0       4       0 rw---    [ anon ]
b76d5000       0       0       0 r-x--  libpciaccess.so.0.10.8
b76dc000       0       0       0 rw---  libpciaccess.so.0.10.8
b76dd000       0       4       0 r-x--  libudev.so.0.9.3
b76e9000       0       0       0 r----  libudev.so.0.9.3
b76ea000       0       0       0 rw---  libudev.so.0.9.3
b76eb000       0       0       0 r-x--  libdri2.so
b76ed000       0       0       0 rw---  libdri2.so
b76ee000       0      16       0 r-x--  libdbe.so
b76f2000       0       4       0 rw---  libdbe.so
b76f3000       0       4       0 rw---    [ anon ]
b76f6000       0       4       0 r-x--    [ anon ]
b76f7000       0       8       0 r-x--  ld-2.11.2.so
b7712000       0       0       0 r----  ld-2.11.2.so
b7713000       0       0       0 rw---  ld-2.11.2.so
bfcb7000       0      16      16 rw---    [ stack ]
-------- ------- ------- ------- -------
total kB 1197560       -       -       -
debian:~#

pmap -d mostra os 1.1GB mapeados contra um mapa anônimo.

debian:~# pmap -d 1598 | more
1598:   /usr/bin/X :0 -br -nocursor -auth /tmp/serverauth.O1gWpWvWuP
Address   Kbytes Mode  Offset           Device    Mapping
08048000    1644 r-x-- 0000000000000000 008:00001 Xorg
081e3000      48 rw--- 000000000019b000 008:00001 Xorg
081ef000      44 rw--- 0000000000000000 000:00000   [ anon ]
08231000 1164236 rw--- 0000000000000000 000:00000   [ anon ]
b5422000    3752 rw--- 0000000000000000 000:00000   [ anon ]
b59a1000     384 rw-s- 0000000000000000 000:00004   [ shmid=0x520000 ]

Eu preciso de uma maneira agora para identificar o dono do endereço 08231000.

O controlador é dado abaixo ..

debian:~# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
debian:~#

debian: ~ #

Os módulos carregados pelo Xorg são como abaixo ..

debian:~# grep -i "Loading" /var/log/Xorg.0.log
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Loading extension DOUBLE-BUFFER
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Loading extension DRI2
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Loading extension SELinux
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Loading extension XFree86-DRI
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Loading extension GLX
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Loading extension RECORD
(II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) Loading sub module "fbdevhw"
(II) Loading /usr/lib/xorg/modules/linux/libfbdevhw.so
(II) Loading sub module "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Loading sub module "shadow"
(II) Loading /usr/lib/xorg/modules/libshadow.so
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
debian:~#


debian:~# /usr/bin/Xorg -version

X.Org X Server 1.7.7
Release Date: 2010-05-04
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32.29-dsa-ia32 i686 Debian
Current Operating System: Linux debian 2.6.32-5-686 #1 SMP Tue Mar 8 21:36:00 UTC 2011 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-5-686 root=/dev/sda1 nomodeset
Build Date: 19 February 2011  02:37:36PM
xorg-server 2:1.7.7-13 (Cyril Brulebois <[email protected]>)
Current version of pixman: 0.16.4
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
debian:~#
    
por ReddyGB 04.12.2014 / 19:37

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