Lost HW OpenGL on intel

[Arto Pekkanen]

Okay, so you just gotta wait until the review has been done and Mesa
updated to 17.1.2?

On 17.6.2017 20:15, Bengt Ahlgren wrote:
> For the record: applying the patch for intel_screen.c from
> https://reviews.freebsd.org/D11148 to graphics/mesa-dri also works for
> the current Mesa 17.1.1, i.e., restores HW OpenGL for intel graphics on
> 10.x.
> 
> Bengt
> 
> Bengt Ahlgren <bengt.ahlgren at ri.se> writes:
> 
>> Bengt Ahlgren <bengt.ahlgren at ri.se> writes:
>>
>>> Bengt Ahlgren <bengt.ahlgren at ri.se> writes:
>>>
>>>> HW OpenGL stopped working for me - I think it was after the last mesa
>>>> update (17.1.1).  This is with 10.3-STABLE (r316723) and intel ironlake
>>>> graphics.
>>>>
>>>> Xorg log says:
>>>>
>>>> [    18.061] (II) intel(0): DRI2: Enabled
>>>> [    18.061] (II) intel(0): DRI3: Disabled
>>>> [    18.069] (--) RandR disabled
>>>> [    18.110] (EE) AIGLX error: Calling driver entry point failed
>>>> [    18.111] (EE) AIGLX: reverting to software rendering
>>>> [    18.470] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
>>>> [    18.471] (II) AIGLX: Loaded and initialized swrast
>>>> [    18.471] (II) GLX: Initialized DRISWRAST GL provider for screen 0
>>>>
>>>> I have these packages:
>>>>
>>>> mesa-dri-17.1.1                OpenGL hardware acceleration drivers for DRI2+
>>>> mesa-libs-17.1.1 OpenGL libraries that support GLX and EGL clients
>>>> xf86-video-intel-2.99.917.20170228_1 Driver for Intel integrated
>>>> graphics chipsets
>>>> xorg-server-1.18.4_1,1         X.Org X server and related programs
>>>>
>>>> Any advice?
>>>
>>> Some more information about this system:
>>>
>>> * Lenovo X201 with Core i7 M620
>>> * "Intel(R) HD Graphics" (Ironlake - fifth gen):
>>>
>>> vgapci0 at pci0:0:2:0:     class=0x030000 card=0x215a17aa chip=0x00468086 rev=0x02 hdr=0x00
>>>     vendor     = 'Intel Corporation'
>>>     device     = 'Core Processor Integrated Graphics Controller'
>>>     class      = display
>>>     subclass   = VGA
>>>     bar   [10] = type Memory, range 64, base 0xf2000000, size 4194304, enabled
>>>     bar   [18] = type Prefetchable Memory, range 64, base 0xd0000000, size 268435456, enabled
>>>     bar   [20] = type I/O Port, range 32, base 0x1800, size 8, enabled
>>>     cap 05[90] = MSI supports 1 message enabled with 1 message
>>>     cap 01[d0] = powerspec 2  supports D0 D3  current D0
>>>     cap 13[a4] = PCI Advanced Features: FLR TP
>>>
>>> * no xorg.conf - xorg selects intel driver
>>> * i915kms.ko is loaded when Xorg starts (but it
>>>   does not make any difference if it's loaded from /boot/loader.conf)
>>> * VT console (kern.vty="vt" in loader.conf)
>>>
>>> I'd be happy to provide more information and do some debugging, but will
>>> need instructions.
>>
>> I got a lead by running:
>>
>> $ LIBGL_DEBUG=verbose glinfo|more
>> libGL: OpenDriver: trying /usr/local/lib/dri/i965_dri.so
>> [intel_init_bufmgr: 1317] Kernel 3.6 required.
>> libGL error: failed to create dri screen
>> libGL error: failed to load driver: i965
>>
>> Looking into that function (intel_init_bufmgr() in port graphics/libdrm,
>> mesa-17.1.1/src/mesa/drivers/dri/i965/intel_screen.c) reveals that it
>> tries this:
>>
>>    if (!intel_get_boolean(screen, I915_PARAM_HAS_WAIT_TIMEOUT)) {
>>       fprintf(stderr, "[%s: %u] Kernel 3.6 required.\n", __func__, __LINE__);
>>       return false;
>>    }
>>
>> But, I915_PARAM_HAS_WAIT_TIMEOUT does not exist on 10.x!
>>
>> It is missing in src/sys/dev/drm2/i915/i915_drm.h, so it fails, and
>> resorts to sw rendering.
>>
>> Bengt
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-- 
Arto Pekkanen

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