Re: [Q77 express][x86_64][DRI][DRM/intel]Does intel_agp in the latest kernel 3.3.4 or 3.4 rc6 support ivybridge (xeon E3-1285, 3.6GHz)?

[袁竞杰 <yuanjingjie@ict.ac.cn>]

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After I use 3.4 rc6 kernel which contains IVB_GT2_IG, intel agp and VGA are recognized now.
The "lspci" command now shows that PCI 00:00.0 uses Kernel driver agpgart-intel and PCI 00:02.0 uses i915 now.
before I use the 3.4 kernel, there was nothing about the driver info.

The /dev/dri folder is created now, containing card0 and controlD64.
But the /var/log/Xorg.0.log still complains about "No devices detected", after loading 
/usr/lib/xorg/modules/drivers/intel_drv.so .

And there is also an error in the "dmesg" output:
    [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed
I don't know whether it has anything to do with the Xorg error.
Thanks

--
Ginger Yuan
From: Eugeni Dodonov
Date: 2012-05-11 21:25
To: yuanjingjie
CC: intel-gfx
Subject: Re: [Intel-gfx] [Q77 express][x86_64][DRI][DRM/intel]Does intel_agp in the latest kernel 3.3.4 or 3.4 rc6 support ivybridge (xeon E3-1285, 3.6GHz)?
On Thu, May 10, 2012 at 11:37 PM, 袁竞杰 <yuanjingjie@ict.ac.cn> wrote:

System environment:

xf86-video-intel:2.17.0
intel-driver(for vaapi):1.0.15
libva:1.0.15
libdrm:2.4.32
xserver:11.0
Mesa:8.0.2
kernel version:3.3.4
system: ubuntu 12.04
VGA:intel Ivy Bridge Graphics Controller

Bug description:

I try to use VAAPI,an error comes out ""Xfree86-DRI "missing on display ":0".libva:va_getDriverName() returns -1"when using ivybridge CPU(xeon E3-1285,3.6GHz ) ,but sandybridge CPU works well.
I check the Xorg.0.log,find "failed to load module "intel_drv.so ".
dmesg: [    3.156733] [drm:i915_init] *ERROR* drm/i915 can't work without intel_agp module! 
I printk my device in 3.3.4 kernel Intel_agp source code,my device is PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB 158,
It appears in intel_agp.h 
#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB              0x0158  /* Server */
but in intel-gtt.c 
intel_gtt_chipsets[]=
{
......
        { PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT1_IG,
            "Ivybridge", &sandybridge_gtt_driver },
        { PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT2_IG,
            "Ivybridge", &sandybridge_gtt_driver },
        { PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT1_IG,
            "Ivybridge", &sandybridge_gtt_driver },
        { PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT2_IG,
            "Ivybridge", &sandybridge_gtt_driver },
        { PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG,
            "Ivybridge", &sandybridge_gtt_driver },
......
}
There isn't a PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB .


It is in included in intel_agp.c.


But I suspect that the problem is that you are missing the IVB GT2 Server variant support, which we added this April.


Could you post your "lspci -n | grep 00:02" output please?


-- 
Eugeni Dodonov

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