[Intel-gfx] xf86-video-intel: Commit 08ebde4715b87867184d42b60762cd774e151f5c breaks kernel memory manager allocation

Zhenyu Wang zhenyuw at linux.intel.com
Wed Apr 22 02:40:05 CEST 2009


On 2009.04.21 20:29:26 +0800, Magnus Kessler wrote:
> Hi Zhenyu,
> 
> your commit 08ebde4715b87867184d42b60762cd774e151f5c to the intel video driver 
> breaks kernel memory allocation for me on a 64 bit platform. Reverting the 
> patch gets me back to a working driver. The relevant output from xorg.log is:

sorry, I didn't test Fengguang's patch on 64 bit system, on which his patch aims
to fix a compiler warning...

Fengguang, have you tested this on x86_64 with recent kernel? 

Magnus, any possible to ErrorF some debug message on why memory manager allocation
failed?

> 
> (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 at 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]
> (II) intel(0): Creating default Display subsection in Screen section
> 	"G35 Screen 0" for depth/fbbpp 24/32
> (==) intel(0): Depth 24, (--) framebuffer bpp 32
> (==) intel(0): RGB weight 888
> (==) intel(0): Default visual is TrueColor
> (**) intel(0): Option "AccelMethod" "UXA"
> (**) intel(0): Option "XvMC" "true"
> (II) intel(0): Integrated Graphics Chipset: Intel(R) G35
> (--) intel(0): Chipset: "G35"
> (WW) intel(0): libpciaccess reported 0 rom size, guessing 64kB
> (II) intel(0): Resizable framebuffer: available (0 4)
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 8, (OK)
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 8, (OK)
> drmOpenByBusid: Searching for BusID pci:0000:00:02.0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 8, (OK)
> drmOpenByBusid: drmOpenMinor returns 8
> drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
> (II) [drm] DRM interface version 1.3
> (II) [drm] DRM open master succeeded.
> (II) intel(0): Output VGA1 using monitor section SyncMaster 173P
> (II) intel(0): EDID vendor "SAM", prod id 211
> (II) intel(0): Using EDID range info for horizontal sync
> (II) intel(0): Using EDID range info for vertical refresh
> (II) intel(0): Printing DDC gathered Modelines:
> (II) intel(0): Output VGA1 connected
> (II) intel(0): Using exact sizes for initial modes
> (II) intel(0): Output VGA1 using initial mode 1280x1024
> (II) intel(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
> (==) intel(0): video overlay key set to 0x101fe
> (**) intel(0): Display dimensions: (338, 270) mm
> (**) intel(0): DPI set to (96, 96)
> (II) Loading sub module "fb"
> (II) LoadModule: "fb"
> (II) Loading /usr/lib64/xorg/modules/libfb.so
> (II) Module fb: vendor="X.Org Foundation"
> 	compiled for 1.6.99.1, module version = 1.0.0
> 	ABI class: X.Org ANSI C Emulation, version 0.4
> (==) Depth 24 pixmap format is 32 bpp
> (II) do I need RAC?  No, I don't.
> (II) resource ranges after preInit:
> 	[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]
> (II) intel(0): [DRI2] Setup complete
> (**) intel(0): Framebuffer compression disabled
> (**) intel(0): Tiling enabled
> (EE) intel(0): Failed to allocate space for kernel memory manager
> (==) intel(0): VideoRam: 2097151 KB
> (II) intel(0): Attempting memory allocation with tiled buffers.
> (II) intel(0): Tiled allocation successful.
> (II) UXA(0): Driver registered support for the following operations:
> (II)         solid
> (II)         copy
> (II)         composite (RENDER acceleration)
> (==) intel(0): Backing store disabled
> (==) intel(0): Silken mouse enabled
> (II) intel(0): Initializing HW Cursor
> (II) intel(0): No memory allocations
> (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message.
> (**) intel(0): DPMS enabled
> (==) intel(0): Intel XvMC decoder disabled
> (II) intel(0): Set up textured video
> (II) intel(0): direct rendering: DRI2 Enabled
> 
> Without the kernel memory manager I see garbled portions of the screen (tiling 
> issue?) from the adobe flash plugin and when logging out of KDE 4.2, similar to 
> the screenshots published at https://qa.mandriva.com/show_bug.cgi?id=50071.
> 
> Thanks for having a look at this.
> 
> Magnus Kessler
> 



-- 
Open Source Technology Center, Intel ltd.

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