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List: kde-bugs-dist
Subject: [kwin] [Bug 352068] New: kwin_x11 uses 100% CPU on intel (wetab) since 5.3
From: Wilhelm Eger <wilhelm.eger () googlemail ! com>
Date: 2015-08-31 17:52:08
Message-ID: bug-352068-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=352068
Bug ID: 352068
Summary: kwin_x11 uses 100% CPU on intel (wetab) since 5.3
Product: kwin
Version: 5.4.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: grave
Priority: NOR
Component: core
Assignee: kwin-bugs-null@kde.org
Reporter: wilhelm.eger@googlemail.com
I am using Arch on a wetab. Up to 5.2 kwin and plasma was super snappy, since
5.3 even more significant in 5.4, kwin constantly uses 100% CPU. UI is very
slow.
startkde: Starting up...
kbuildsycoca5 running...
Service started, version: 6.2.0
kbuildsycoca5 running...
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Pineview M
OpenGL version string: 2.1 Mesa 10.6.5
OpenGL shading language version string: 1.20
Driver: Intel
GPU class: Unknown
OpenGL version: 2.1
GLSL version: 1.20
Mesa version: 10.6.5
X server version: 1.17.2
Linux kernel version: 4.1.6
Requires strict binding: yes
GLSL shaders: yes
Texture NPOT support: yes
Virtual Machine: no
I get this in Xorg.log:
[ 143.571] (EE) BUG: triggered 'if (!iclients)'
[ 143.571] (EE) BUG: exevents.c:1329 in RetrieveTouchDeliveryData()
[ 143.571] (EE)
[ 143.571] (EE) Backtrace:
[ 143.572] (EE) 0: /usr/lib/xorg-server/Xorg (DamageDamageRegion+0x696)
[0x51f1a6]
[ 143.573] (EE) 1: /usr/lib/xorg-server/Xorg (XIGetDevice+0xf54) [0x520e44]
[ 143.574] (EE) 2: /usr/lib/xorg-server/Xorg (SwapConnClientPrefix+0x941)
[0x462291]
[ 143.575] (EE) 3: /usr/lib/xorg-server/Xorg
(InitProximityClassDeviceStruct+0x26ab) [0x52560b]
[ 143.575] (EE) 4: /usr/lib/xorg-server/Xorg (mieqSetHandler+0x3c4)
[0x574a14]
[ 143.576] (EE) 5: /usr/lib/xorg-server/Xorg (SwapConnClientPrefix+0x1aa4)
[0x4644b4]
[ 143.583] (EE) 6: /usr/lib/xorg-server/Xorg (XIGetDevice+0x18b4) [0x521f24]
[ 143.584] (EE) 7: /usr/lib/xorg-server/Xorg (XIGetDevice+0x1176) [0x521066]
[ 143.585] (EE) 8: /usr/lib/xorg-server/Xorg
(InitProximityClassDeviceStruct+0x27ed) [0x52574d]
[ 143.586] (EE) 9: /usr/lib/xorg-server/Xorg (XkbProcessKeyboardEvent+0x2c2)
[0x54cda2]
[ 143.588] (EE) 10: /usr/lib/xorg-server/Xorg (mieqSetHandler+0x3c4)
[0x574a14]
[ 143.589] (EE) 11: /usr/lib/xorg-server/Xorg (mieqProcessInputEvents+0x127)
[0x574a07]
[ 143.590] (EE) 12: /usr/lib/xorg-server/Xorg (ProcessInputEvents+0x19)
[0x477a79]
[ 143.591] (EE) 13: /usr/lib/xorg-server/Xorg (SendErrorToClient+0x102)
[0x438c52]
[ 143.592] (EE) 14: /usr/lib/xorg-server/Xorg (remove_fs_handlers+0x41b)
[0x43cf4b]
[ 143.595] (EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf0)
[0x7f899b6a2610]
[ 143.600] (EE) 16: /usr/lib/xorg-server/Xorg (_start+0x29) [0x427319]
[ 143.603] (EE) 17: ? (?+0x29) [0x29]
[ 6.927] (II) LoadModule: "intel"
[ 6.928] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 6.943] (II) Module intel: vendor="X.Org Foundation"
[ 6.943] compiled for 1.17.2, module version = 2.99.917
[ 6.943] Module class: X.Org Video Driver
[ 6.943] ABI class: X.Org Video Driver, version 19.0
[ 6.943] (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
[ 6.945] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
[ 6.945] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
[ 6.946] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200,
P6300
[ 6.946] (++) using VT number 1
[ 6.946] (II) intel(0): Using Kernel Mode Setting driver: i915, version
1.6.0 20150327
[ 6.946] (II) intel(0): SNA compiled from 2.99.917-381-g5772556
[ 6.948] (--) intel(0): Integrated Graphics Chipset: Intel(R) Pineview GM
[ 6.948] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3; using a maximum of
1 threads
[ 6.948] (II) intel(0): Creating default Display subsection in Screen
section
"Default Screen Section" for depth/fbbpp 24/32
[ 6.948] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[ 6.948] (==) intel(0): RGB weight 888
[ 6.948] (==) intel(0): Default visual is TrueColor
[ 6.948] (**) intel(0): Option "AccelMethod" "sna"
[ 6.949] (**) intel(0): Option "TearFree" "true"
[ 6.949] (II) intel(0): Output LVDS1 has no monitor section
[ 6.950] (--) intel(0): Found backlight control interface acpi_video0 (type
'firmware') for output LVDS1
[ 6.950] (II) intel(0): Enabled output LVDS1
[ 6.950] (II) intel(0): Output VGA1 has no monitor section
[ 6.950] (II) intel(0): Enabled output VGA1
[ 6.951] (--) intel(0): Using a maximum size of 256x256 for hardware
cursors
[ 6.951] (II) intel(0): Output VIRTUAL1 has no monitor section
[ 6.951] (II) intel(0): Enabled output VIRTUAL1
[ 6.951] (--) intel(0): Output LVDS1 using initial mode 1366x768 on pipe 1
[ 6.951] (**) intel(0): TearFree enabled
[ 6.951] (==) intel(0): DPI set to (96, 96)
[ 6.951] (II) Loading sub module "dri2"
[ 6.951] (II) LoadModule: "dri2"
[ 6.951] (II) Module "dri2" already built-in
[ 6.952] (II) Loading sub module "present"
[ 6.952] (II) LoadModule: "present"
[ 6.952] (II) Module "present" already built-in
[ 6.952] (==) Depth 24 pixmap format is 32 bpp
[ 6.952] (II) intel(0): SNA initialized with Alviso (gen3) backend
[ 6.952] (==) intel(0): Backing store enabled
[ 6.952] (==) intel(0): Silken mouse enabled
[ 6.952] (II) intel(0): HW Cursor enabled
[ 6.952] (II) intel(0): RandR 1.2 enabled, ignore the following RandR
disabled message.
[ 6.965] (==) intel(0): DPMS enabled
[ 6.966] (==) intel(0): Display hotplug detection enabled
[ 6.966] (II) intel(0): [XvMC] i915_xvmc driver initialized.
[ 6.966] (II) intel(0): [DRI2] Setup complete
[ 6.967] (II) intel(0): [DRI2] DRI driver: i915
[ 6.967] (II) intel(0): [DRI2] VDPAU driver: va_gl
[ 6.967] (II) intel(0): direct rendering: DRI2 enabled
[ 6.967] (II) intel(0): hardware support for Present enabled
[ 6.967] (--) RandR disabled
[ 7.161] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[ 7.161] (II) AIGLX: enabled GLX_ARB_create_context
[ 7.162] (II) AIGLX: enabled GLX_ARB_create_context_profile
[ 7.162] (II) AIGLX: enabled GLX_EXT_create_context_es2_profile
[ 7.162] (II) AIGLX: enabled GLX_INTEL_swap_event
[ 7.162] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[ 7.162] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB
[ 7.162] (II) AIGLX: enabled GLX_ARB_fbconfig_float
[ 7.162] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[ 7.162] (II) AIGLX: Loaded and initialized i915
[ 7.162] (II) GLX: Initialized DRI2 GL provider for screen 0
[ 7.195] (II) intel(0): switch to mode 1366x768@60.0 on LVDS1 using pipe 1,
position (0, 0), rotation normal, reflection none
[ 7.196] (II) intel(0): Setting screen physical size to 361 x 203
Reproducible: Always
Steps to Reproduce:
1. Start KDE
2. Watch the CPU load
Actual Results:
100% CPU kwin_x11
Expected Results:
Significantly less cpu usage.
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