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Date: Sun, 25 Oct 2009 14:02:08 +0100
From: Paul Rolland <rol@...917.net>
To: linux-kernel@...r.kernel.org
Cc: rol@...917.net
Subject: Intel Video : screen is "flickering"
Hello,
I'm running a 2.6.32-rc5 kernel, and I'm facing a flickering screen with
X (running KDE 4.3 and compiz)...
It's not always, but I can't find why it starts and why it stops.
Some logs/traces/informations are below.
Is this a known issue ? Is there anything I can test to debug or to fix
this problem ?
Xorg log reports :
(II) Loading /usr/lib64/xorg/modules/drivers//intel_drv.so
(II) Module intel: vendor="X.Org Foundation"
compiled for 1.6.1.901, module version = 2.7.0
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 5.0
(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
E7221 (i915), 915GM, 945G, 945GM, 945GME, IGD_GM, IGD_G, 965G, G35,
965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
Mobile Intel® GM45 Express Chipset,
Intel Integrated Graphics Device, G45/G43, Q45/Q43, G41
(II) Primary Device is: PCI 00@00:02:0
(II) resource ranges after xf86ClaimFixedResources() call:
[0] -1 0 0xffffffff - 0xffffffff (0x1) MX[B]
[1] -1 0 0x000f0000 - 0x000fffff (0x10000) MX[B]
[2] -1 0 0x000c0000 - 0x000effff (0x30000) MX[B]
[3] -1 0 0x00000000 - 0x0009ffff (0xa0000) MX[B]
[4] -1 0 0x0000ffff - 0x0000ffff (0x1) IX[B]
[5] -1 0 0x00000000 - 0x00000000 (0x1) IX[B]
(II) resource ranges after probing:
[0] -1 0 0xffffffff - 0xffffffff (0x1) MX[B]
[1] -1 0 0x000f0000 - 0x000fffff (0x10000) MX[B]
[2] -1 0 0x000c0000 - 0x000effff (0x30000) MX[B]
[3] -1 0 0x00000000 - 0x0009ffff (0xa0000) MX[B]
[4] 0 0 0x000a0000 - 0x000affff (0x10000) MS[B]
[5] 0 0 0x000b0000 - 0x000b7fff (0x8000) MS[B]
[6] 0 0 0x000b8000 - 0x000bffff (0x8000) MS[B]
[7] -1 0 0x0000ffff - 0x0000ffff (0x1) IX[B]
[8] -1 0 0x00000000 - 0x00000000 (0x1) IX[B]
[9] 0 0 0x000003b0 - 0x000003bb (0xc) IS[B]
[10] 0 0 0x000003c0 - 0x000003df (0x20) IS[B]
(**) intel(0): Depth 24, (--) framebuffer bpp 32
(==) intel(0): RGB weight 888
(==) intel(0): Default visual is TrueColor
(II) intel(0): Integrated Graphics Chipset: Intel(R) Mobile Intel® GM45 Express Chipset
(--) intel(0): Chipset: "Mobile Intel® GM45 Express Chipset"
(II) intel(0): Resizable framebuffer: available (0 4)
keyword "intel" in /var/log/Xorg.0.log gives :
(II) intel(0): Manufacturer: AUO Model: 2177 Serial#: 0
(II) intel(0): Year: 2008 Week: 1
(II) intel(0): EDID Version: 1.3
(II) intel(0): Digital Display Input
(II) intel(0): Max Image Size [cm]: horiz.: 33 vert.: 21
(II) intel(0): Gamma: 2.20
(II) intel(0): No DPMS capabilities specified
(II) intel(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4
(II) intel(0): First detailed timing is preferred mode
(II) intel(0): redX: 0.590 redY: 0.345 greenX: 0.315 greenY: 0.555
(II) intel(0): blueX: 0.155 blueY: 0.155 whiteX: 0.313 whiteY: 0.329
(II) intel(0): Manufacturer's mask: 0
(II) intel(0): Supported detailed timing:
(II) intel(0): clock: 108.0 MHz Image Size: 331 x 207 mm
(II) intel(0): h_active: 1440 h_sync: 1504 h_sync_end 1536 h_blank_end 1970 h_border: 0
(II) intel(0): v_active: 900 v_sync: 903 v_sync_end 906 v_blanking: 912 v_border: 0
(II) intel(0): Supported detailed timing:
(II) intel(0): clock: 108.0 MHz Image Size: 331 x 207 mm
(II) intel(0): h_active: 1440 h_sync: 1504 h_sync_end 1536 h_blank_end 1970 h_border: 0
(II) intel(0): v_active: 900 v_sync: 903 v_sync_end 906 v_blanking: 912 v_border: 0
(II) intel(0): NY850�B154PW2
(WW) intel(0): Unknown vendor-specific block 0
(II) intel(0): EDID (in hex):
(II) intel(0): 00ffffffffffff0006af772100000000
(II) intel(0): 01120103902115780a1cf59758508e27
(II) intel(0): 27505400000001010101010101010101
(II) intel(0): 010101010101302aa01252840c304020
(II) intel(0): 33004bcf1000001a302aa01252840c30
(II) intel(0): 402033004bcf1000001a000000fe004e
(II) intel(0): 59383530804231353450573200000000
(II) intel(0): 00000000000000000002010a202000cc
(II) intel(0): EDID vendor "AUO", prod id 8567
(II) intel(0): Printing DDC gathered Modelines:
(II) intel(0): Modeline "1440x900"x0.0 108.00 1440 1504 1536 1970 900 903 906 912 +hsync -vsync (54.8 kHz)
(II) intel(0): Modeline "1440x900"x0.0 108.00 1440 1504 1536 1970 900 903 906 912 +hsync -vsync (54.8 kHz)
(II) intel(0): Printing probed modes for output LVDS1
(II) intel(0): Modeline "1440x900"x60.1 108.00 1440 1504 1536 1970 900 903 906 912 +hsync -vsync (54.8 kHz)
(II) intel(0): EDID for output DP1
glx keyword in /var/log/Xorg.0.log gives :
(II) LoadModule: "glx"
(II) Loading /usr/lib64/xorg/modules/extensions//libglx.so
(II) Module glx: vendor="X.Org Foundation"
(==) AIGLX enabled
(II) Loading extension GLX
(II) AIGLX: enabled GLX_MESA_copy_sub_buffer
(II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
(II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
(II) AIGLX: Loaded and initialized /usr/lib64/dri/i965_dri.so
(II) GLX: Initialized DRI2 GL provider for screen 0
lspci -n says :
00:02.0 0300: 8086:2a42 (rev 07)
00:02.1 0380: 8086:2a43 (rev 07)
lspci reports :
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
lspci -vvv reports :
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller])
Subsystem: Dell Device 02bc
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 30
Region 0: Memory at f6800000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee0200c Data: 4199
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: i915
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
Subsystem: Dell Device 02bc
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at f6100000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Paul
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