openSUSE kdeinit4 CPU 100% 如何排查

Question

opensuse 13.2系统， kdeinit4进程CPU占用100%，请问该如何排查问题。

startx

shell[139398.727] 
X.Org X Server 1.16.1
Release Date: 2014-09-21
[139398.727] X Protocol Version 11, Revision 0
[139398.727] Build Operating System: openSUSE SUSE LINUX
[139398.727] Current Operating System: Linux kslr-linux.site 3.16.7-7-desktop #1 SMP PREEMPT Wed Dec 17 18:00:44 UTC 2014 (762f27a) x86_64
[139398.727] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.16.7-7-desktop root=UUID=bb6e9ced-a144-40e7-b8d5-c6191bf55d4f devfs=mount,dall resume=/dev/sda7 splash=silent quiet showopts vga=0x317
[139398.727] Build Date: 18 December 2014  02:06:21PM
[139398.727]  
[139398.727] Current version of pixman: 0.32.6
[139398.727]    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
[139398.727] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[139398.728] (==) Log file: "/home/kslr/.local/share/xorg/Xorg.1.log", Time: Fri Jan 23 11:09:23 2015
[139398.740] (==) Using config directory: "/etc/X11/xorg.conf.d"
[139398.740] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[139398.741] (==) No Layout section.  Using the first Screen section.
[139398.741] (==) No screen section available. Using defaults.
[139398.741] (**) |-->Screen "Default Screen Section" (0)
[139398.741] (**) |   |-->Monitor "<default monitor>"
[139398.741] (==) No monitor specified for screen "Default Screen Section".
    Using a default monitor configuration.
[139398.741] (==) Automatically adding devices
[139398.741] (==) Automatically enabling devices
[139398.741] (==) Automatically adding GPU devices
[139398.773] (WW) The directory "/usr/share/fonts/misc/sgi" does not exist.
[139398.773]    Entry deleted from font path.
[139398.773] (==) FontPath set to:
    /usr/share/fonts/misc:unscaled,
    /usr/share/fonts/Type1/,
    /usr/share/fonts/100dpi:unscaled,
    /usr/share/fonts/75dpi:unscaled,
    /usr/share/fonts/ghostscript/,
    /usr/share/fonts/cyrillic:unscaled,
    /usr/share/fonts/truetype/,
    built-ins
[139398.773] (==) ModulePath set to "/usr/lib64/xorg/modules"
[139398.773] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
[139398.773] (II) Loader magic: 0x80ec60
[139398.773] (II) Module ABI versions:
[139398.773]    X.Org ANSI C Emulation: 0.4
[139398.773]    X.Org Video Driver: 18.0
[139398.773]    X.Org XInput driver : 21.0
[139398.773]    X.Org Server Extension : 8.0
[139398.773] (II) xfree86: Adding drm device (/dev/dri/card0)
[139409.806] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
[139409.806] (II) xfree86: Adding drm device (/dev/dri/card1)
[139409.806] (EE) /dev/dri/card1: failed to set DRM interface version 1.4: Permission denied
[139409.809] (--) PCI:*(0:0:2:0) 8086:0116:1028:04c1 rev 9, Mem @ 0xe0000000/4194304, 0xd0000000/268435456, I/O @ 0x00004000/64
[139409.809] (--) PCI: (0:1:0:0) 1002:6741:1028:04c1 rev 0, Mem @ 0xc0000000/268435456, 0xe0700000/131072, I/O @ 0x00003000/256, BIOS @ 0x????????/131072
[139409.809] (II) LoadModule: "glx"
[139409.823] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[139409.840] (II) Module glx: vendor="X.Org Foundation"
[139409.840]    compiled for 1.16.1, module version = 1.0.0
[139409.840]    ABI class: X.Org Server Extension, version 8.0
[139409.840] (==) AIGLX enabled
[139409.840] (==) Matched intel as autoconfigured driver 0
[139409.840] (==) Matched modesetting as autoconfigured driver 1
[139409.840] (==) Matched fbdev as autoconfigured driver 2
[139409.840] (==) Matched vesa as autoconfigured driver 3
[139409.840] (==) Assigned the driver to the xf86ConfigLayout
[139409.840] (II) LoadModule: "intel"
[139409.840] (II) Loading /usr/lib64/xorg/modules/drivers/intel_drv.so
[139409.840] (II) Module intel: vendor="X.Org Foundation"
[139409.840]    compiled for 1.16.1, module version = 2.99.916
[139409.840]    Module class: X.Org Video Driver
[139409.840]    ABI class: X.Org Video Driver, version 18.0
[139409.840] (II) LoadModule: "modesetting"
[139409.840] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so
[139409.855] (II) Module modesetting: vendor="X.Org Foundation"
[139409.855]    compiled for 1.16.1, module version = 0.9.0
[139409.855]    Module class: X.Org Video Driver
[139409.855]    ABI class: X.Org Video Driver, version 18.0
[139409.855] (II) LoadModule: "fbdev"
[139409.855] (II) Loading /usr/lib64/xorg/modules/drivers/fbdev_drv.so
[139409.859] (II) Module fbdev: vendor="X.Org Foundation"
[139409.859]    compiled for 1.16.1, module version = 0.4.4
[139409.859]    Module class: X.Org Video Driver
[139409.859]    ABI class: X.Org Video Driver, version 18.0
[139409.859] (II) LoadModule: "vesa"
[139409.859] (II) Loading /usr/lib64/xorg/modules/drivers/vesa_drv.so
[139409.860] (II) Module vesa: vendor="X.Org Foundation"
[139409.860]    compiled for 1.16.1, module version = 2.3.3
[139409.860]    Module class: X.Org Video Driver
[139409.860]    ABI class: X.Org Video Driver, version 18.0
[139409.860] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
    i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
    915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
    Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
    GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[139409.860] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
[139409.860] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
[139409.860] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
[139409.860] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[139409.860] (II) FBDEV: driver for framebuffer: fbdev
[139409.860] (II) VESA: driver for VESA chipsets: vesa
[139409.860] (EE) 
Fatal server error:
[139409.860] (EE) xf86OpenConsole: Cannot open /dev/tty0 (No such file or directory)
[139409.860] (EE) 
[139409.860] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[139409.860] (EE) Please also check the log file at "/home/kslr/.local/share/xorg/Xorg.1.log" for additional information.
[139409.860] (EE) 

Answer 1

$ sudo kill 1695
$ startx

先干掉这个进程，然后重启一下kde，看看有没有什么错误信息。然后Google下错误信息，一般能找到问题的。