【debian】Let's note R6 で高負荷になる現象

最近、Let's note R6 (debian wheezy) を使っているのだが、
Chrome・firefoxなどで、FLASHをしばらく見ていると、
とても使えないぐらい重くなる。

しばらくXorgも重いままで、topを見ると、chromeとXorgの使用率が
非常に高くなっていた。

どうもXorgのイベントがオーバーフローしている模様。

【2013/7/24】
どこかのページに、「kernelを3.5.5以上にすると・・・」のようなことが
書いてあったので、試してみた。

カーネル：3.10.2

結果：GOOD（現象が改善した）
以前までは、CPUが高くなると原因のアプリ（chrome）を止めても
しばらくXorgが高いCPU使用率になっていた。
そもそも、画面系でなくカーネルコンパイルでもCPU温度が高くなると
XorgのCPU使用率が高くなっていた。
これが、カーネルを入れ替えると改善。
 

 

[ 88832.875] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)

[ 88832.876] (**) Option "xkb_rules" "evdev"

[ 88832.876] (**) Option "xkb_model" "a4techKB21"

[ 88832.876] (**) Option "xkb_layout" "jp"

[ 88832.876] (**) Option "xkb_variant" "106"

[ 88833.137] (II) config/udev: Adding input device Video Bus (/dev/input/event1)

[ 88833.137] (**) Video Bus: Applying InputClass "evdev keyboard catchall"

[ 88833.137] (II) Using input driver 'evdev' for 'Video Bus'

[ 88833.138] (**) Video Bus: always reports core events

[ 88833.138] (**) evdev: Video Bus: Device: "/dev/input/event1"

[ 88833.138] (--) evdev: Video Bus: Vendor 0 Product 0x6

[ 88833.138] (--) evdev: Video Bus: Found keys

[ 88833.138] (II) evdev: Video Bus: Configuring as keyboard

[ 88833.139] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input1/event1"

[ 88833.139] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)

[ 88833.139] (**) Option "xkb_rules" "evdev"

[ 88833.139] (**) Option "xkb_model" "a4techKB21"

[ 88833.140] (**) Option "xkb_layout" "jp"

[ 88833.140] (**) Option "xkb_variant" "106"

[ 88833.146] (II) config/udev: Adding input device Power Button (/dev/input/event4)

[ 88833.147] (**) Power Button: Applying InputClass "evdev keyboard catchall"

[ 88833.147] (II) Using input driver 'evdev' for 'Power Button'

[ 88833.147] (**) Power Button: always reports core events

[ 88833.148] (**) evdev: Power Button: Device: "/dev/input/event4"

[ 88833.148] (--) evdev: Power Button: Vendor 0 Product 0x1

[ 88833.148] (--) evdev: Power Button: Found keys

[ 88833.148] (II) evdev: Power Button: Configuring as keyboard

[ 88833.149] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input4/event4"

[ 88833.149] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)

[ 88833.149] (**) Option "xkb_rules" "evdev"

[ 88833.149] (**) Option "xkb_model" "a4techKB21"

[ 88833.149] (**) Option "xkb_layout" "jp"

[ 88833.150] (**) Option "xkb_variant" "106"

[ 88833.156] (II) config/udev: Adding input device Lid Switch (/dev/input/event3)

[ 88833.156] (II) No input driver specified, ignoring this device.

[ 88833.156] (II) This device may have been added with another device file.

[ 88833.160] (II) config/udev: Adding input device HDA Intel Mic (/dev/input/event10)

[ 88833.160] (II) No input driver specified, ignoring this device.

[ 88833.160] (II) This device may have been added with another device file.

[ 88833.164] (II) config/udev: Adding input device HDA Intel Line-out (/dev/input/event11)

[ 88833.164] (II) No input driver specified, ignoring this device.

[ 88833.164] (II) This device may have been added with another device file.

[ 88833.168] (II) config/udev: Adding input device HDA Intel Mic (/dev/input/event8)

[ 88833.168] (II) No input driver specified, ignoring this device.

[ 88833.168] (II) This device may have been added with another device file.

[ 88833.172] (II) config/udev: Adding input device HDA Intel Mic (/dev/input/event9)

[ 88833.172] (II) No input driver specified, ignoring this device.

[ 88833.172] (II) This device may have been added with another device file.

[ 88833.176] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)

[ 88833.177] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"

[ 88833.177] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'

[ 88833.177] (**) AT Translated Set 2 keyboard: always reports core events

[ 88833.177] (**) evdev: AT Translated Set 2 keyboard: Device: "/dev/input/event0"

[ 88833.178] (--) evdev: AT Translated Set 2 keyboard: Vendor 0x1 Product 0x1

[ 88833.178] (--) evdev: AT Translated Set 2 keyboard: Found keys

[ 88833.178] (II) evdev: AT Translated Set 2 keyboard: Configuring as keyboard

[ 88833.178] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"

[ 88833.178] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 9)

[ 88833.179] (**) Option "xkb_rules" "evdev"

[ 88833.179] (**) Option "xkb_model" "a4techKB21"

[ 88833.179] (**) Option "xkb_layout" "jp"

[ 88833.179] (**) Option "xkb_variant" "106"

[ 88833.186] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event7)

[ 88833.186] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"

[ 88833.186] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"

[ 88833.187] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"

[ 88833.187] (II) LoadModule: "synaptics"

[ 88833.191] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so

[ 88833.193] (II) Module synaptics: vendor="X.Org Foundation"

[ 88833.193]    compiled for 1.12.4, module version = 1.6.2

[ 88833.194]    Module class: X.Org XInput Driver

[ 88833.194]    ABI class: X.Org XInput driver, version 16.0

[ 88833.194] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'

[ 88833.194] (**) SynPS/2 Synaptics TouchPad: always reports core events

[ 88833.194] (**) Option "Device" "/dev/input/event7"

[ 88833.197] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1472 - 5472

[ 88833.197] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1408 - 4448

[ 88833.197] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255

[ 88833.198] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 15

[ 88833.198] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left right double triple

[ 88833.198] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7

[ 88833.199] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found

[ 88833.199] (**) SynPS/2 Synaptics TouchPad: always reports core events

[ 88833.200] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio4/input/input7/event7"

[ 88833.201] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 10)

[ 88833.201] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5

[ 88833.201] (**) synaptics: SynPS/2 Synaptics TouchPad: MaxSpeed is now 1.75

[ 88833.202] (**) synaptics: SynPS/2 Synaptics TouchPad: AccelFactor is now 0.040

[ 88833.204] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1

[ 88833.204] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1

[ 88833.205] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000

[ 88833.205] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4

[ 88833.205] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found

[ 88833.208] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)

[ 88833.208] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates"

[ 88833.212] (II) config/udev: Adding input device PC Speaker (/dev/input/event2)

[ 88833.212] (II) No input driver specified, ignoring this device.

[ 88833.212] (II) This device may have been added with another device file.

[ 88833.247] (II) config/udev: Adding input device ACPI Virtual Keyboard Device (/dev/input/event12)

[ 88833.248] (**) ACPI Virtual Keyboard Device: Applying InputClass "evdev keyboard catchall"

[ 88833.248] (II) Using input driver 'evdev' for 'ACPI Virtual Keyboard Device'

[ 88833.248] (**) ACPI Virtual Keyboard Device: always reports core events

[ 88833.248] (**) evdev: ACPI Virtual Keyboard Device: Device: "/dev/input/event12"

[ 88833.249] (--) evdev: ACPI Virtual Keyboard Device: Vendor 0 Product 0

[ 88833.249] (--) evdev: ACPI Virtual Keyboard Device: Found keys

[ 88833.249] (II) evdev: ACPI Virtual Keyboard Device: Configuring as keyboard

[ 88833.249] (**) Option "config_info" "udev:/sys/devices/virtual/input/input12/event12"

[ 88833.250] (II) XINPUT: Adding extended input device "ACPI Virtual Keyboard Device" (type: KEYBOARD, id 11)

[ 88833.250] (**) Option "xkb_rules" "evdev"

[ 88833.250] (**) Option "xkb_model" "a4techKB21"

[ 88833.250] (**) Option "xkb_layout" "jp"

[ 88833.250] (**) Option "xkb_variant" "106"

[ 88833.257] (II) config/udev: Adding input device Panasonic Laptop Support (/dev/input/event6)

[ 88833.257] (**) Panasonic Laptop Support: Applying InputClass "evdev keyboard catchall"

[ 88833.257] (II) Using input driver 'evdev' for 'Panasonic Laptop Support'

[ 88833.258] (**) Panasonic Laptop Support: always reports core events

[ 88833.258] (**) evdev: Panasonic Laptop Support: Device: "/dev/input/event6"

[ 88833.258] (--) evdev: Panasonic Laptop Support: Vendor 0x1 Product 0x1

[ 88833.258] (--) evdev: Panasonic Laptop Support: Found keys

[ 88833.258] (II) evdev: Panasonic Laptop Support: Configuring as keyboard

[ 88833.259] (**) Option "config_info" "udev:/sys/devices/virtual/input/input6/event6"

[ 88833.259] (II) XINPUT: Adding extended input device "Panasonic Laptop Support" (type: KEYBOARD, id 12)

[ 88833.259] (**) Option "xkb_rules" "evdev"

[ 88833.259] (**) Option "xkb_model" "a4techKB21"

[ 88833.259] (**) Option "xkb_layout" "jp"

[ 88833.260] (**) Option "xkb_variant" "106"

[ 88953.894] [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.

[ 88953.894]

[ 88953.894] Backtrace:

[ 88953.919] 0: /usr/bin/Xorg (xorg_backtrace+0x49) [0xb76cc769]

[ 88953.920] 1: /usr/bin/Xorg (mieqEnqueue+0x22b) [0xb76ab05b]

[ 88953.922] 2: /usr/bin/Xorg (0xb754f000+0x51405) [0xb75a0405]

[ 88953.923] 3: /usr/bin/Xorg (xf86PostMotionEventM+0x24b) [0xb75da56b]

[ 88953.924] 4: /usr/bin/Xorg (xf86PostMotionEvent+0xaa) [0xb75da7ba]

[ 88953.925] 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0xb6a74000+0x48fd) [0xb6a788fd]

[ 88953.925] 6: /usr/lib/xorg/modules/input/synaptics_drv.so (0xb6a74000+0x6ab1) [0xb6a7aab1]

[ 88953.926] 7: /usr/bin/Xorg (0xb754f000+0x7ac01) [0xb75c9c01]

[ 88953.927] 8: /usr/bin/Xorg (0xb754f000+0xa094a) [0xb75ef94a]

[ 88953.928] 9: (vdso) (__kernel_sigreturn+0x0) [0xb7530400]

[ 88953.928] 10: /usr/lib/libXfont.so.1 (BitmapOpenScalable+0x32f3) [0xb7391a93]

[ 88953.929] 11: /usr/lib/libXfont.so.1 (BitmapGetInfoScalable+0x74) [0xb7392064]

[ 88953.929] 12: /usr/lib/libXfont.so.1 (0xb7373000+0xc31c) [0xb737f31c]

[ 88953.929] 13: /usr/lib/libXfont.so.1 (FontFileListNextFontWithInfo+0x4d) [0xb737f3bd]

[ 88953.930] 14: /usr/bin/Xorg (doListFontsWithInfo+0x15c) [0xb758b98c]

[ 88953.931] 15: /usr/bin/Xorg (0xb754f000+0x3f339) [0xb758e339]

[ 88953.937] 16: /usr/bin/Xorg (0xb754f000+0x37313) [0xb7586313]

[ 88953.938] 17: /usr/bin/Xorg (0xb754f000+0x3c375) [0xb758b375]

[ 88953.938] 18: /usr/bin/Xorg (0xb754f000+0x29e95) [0xb7578e95]

[ 88953.939] 19: /lib/i386-linux-gnu/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0xb71d3e46]

[ 88953.941] 20: /usr/bin/Xorg (0xb754f000+0x2a1e9) [0xb75791e9]

[ 88953.941]

[ 88953.942] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.

[ 88953.942] [mi] mieq is *NOT* the cause.  It is a victim.

[ 88954.279] [mi] Increasing EQ size to 512 to prevent dropped events.

[ 88954.284] [mi] EQ processing has resumed after 63 dropped events.

[ 88954.285] [mi] This may be caused my a misbehaving driver monopolizing the server's resources.