[Bug 204725] black screen

Sun Sep 1 07:17:03 UTC 2019

https://bugzilla.kernel.org/show_bug.cgi?id=204725

--- Comment #28 from Dmitri Seletski (drjoms at gmail.com) ---
(In reply to Ant from comment #22)
> 2 things I notice are:
> 
> Xorg complains it can't find LLVM 9 or higher. I notice you said you have
> llvm trunk (10), could you try installing version 9 to see if that appeases
> it?
> 
> "radeonsi: Navi family support requires LLVM 9 or higher"
> 
> 
> Worryingly, I also notice some oddities about your card's information.
> 
> [    50.685] (--) AMDGPU(0): Chipset: "Unknown AMD Radeon GPU" (ChipID =
> 0x731f)
> 
> 
> You've not done any bios tweaking on the card have you? I wonder if the fix
> is to have your card's ID be accepted?
> 
> 
> What's the output of your
> /etc/X11/xorg.conf.d/20opengl.conf
> 
> file look like?
> 
> 
> For comparison, I have the sapphire pulse 5700 and my output looks like:
> 
> 0f:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
> [AMD/ATI] Navi 10 [1002:731f] (rev c4) (prog-if 00 [VGA controller])
>       Subsystem: Sapphire Technology Limited Navi 10 [1da2:e408]
>       Flags: bus master, fast devsel, latency 0, IRQ 90
>       Memory at e0000000 (64-bit, prefetchable) [size=256M]
>       Memory at f0000000 (64-bit, prefetchable) [size=2M]
>       I/O ports at f000 [size=256]
>       Memory at fcc00000 (32-bit, non-prefetchable) [size=512K]
>       Expansion ROM at 000c0000 [disabled] [size=128K]
>       Capabilities: <access denied>
>       Kernel driver in use: amdgpu
>       Kernel modules: amdgpu
> 
> 
> glxinfo | grep OpenGL
> OpenGL vendor string: X.Org
> OpenGL renderer string: AMD NAVI10 (DRM 3.33.0, 5.3.0-rc6-badidle+, LLVM
> 9.0.0)
> OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.3.0-devel
> (git-2023716 2019-08-31 eoan-oibaf-ppa)
> OpenGL core profile shading language version string: 4.50
> OpenGL core profile context flags: (none)
> OpenGL core profile profile mask: core profile
> OpenGL core profile extensions:
> OpenGL version string: 4.5 (Compatibility Profile) Mesa 19.3.0-devel
> (git-2023716 2019-08-31 eoan-oibaf-ppa)
> OpenGL shading language version string: 4.50
> OpenGL context flags: (none)
> OpenGL profile mask: compatibility profile
> OpenGL extensions:
> OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.3.0-devel
> (git-2023716 2019-08-31 eoan-oibaf-ppa)
> OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
> OpenGL ES profile extensions:
> 
> 
> (My kernel's called 'badidle' cause there's a bug atm where the rx5700 is
> pulling ~30W at idle instead of 8W because the memory clocks are being maxed
> instead of changing dynamically because it is currently causing annoying
> flicker. The fix is probably upstream in agd5f's amd-staging branch, but I'm
> sticking to kernel.org)
> 
> 
> 
> I'm also beginning to consider the idea that you may have inadvertently set
> something in your .config that's interfering, so again for comparison and to
> save some grey hair, here is the relevent stuff from my .config apart from
> what you've seen so far.
> 
> 
> # CONFIG_DRM_RADEON is not set
> CONFIG_DRM_AMDGPU=m
> # CONFIG_DRM_AMDGPU_SI is not set
> # CONFIG_DRM_AMDGPU_CIK is not set
> CONFIG_DRM_AMDGPU_USERPTR=y
> 
> # Graphics support
> #
> # CONFIG_AGP is not set
> # CONFIG_VGA_ARB is not set
> # CONFIG_VGA_SWITCHEROO is not set
> CONFIG_DRM=y
> # CONFIG_DRM_DP_AUX_CHARDEV is not set
> # CONFIG_DRM_DEBUG_MM is not set
> # CONFIG_DRM_DEBUG_SELFTEST is not set
> CONFIG_DRM_KMS_HELPER=m
> # CONFIG_DRM_FBDEV_EMULATION is not set
> CONFIG_DRM_LOAD_EDID_FIRMWARE=y
> # CONFIG_DRM_DP_CEC is not set
> CONFIG_DRM_TTM=m
> CONFIG_DRM_SCHED=m
> 
> Critically, I have CONFIG_FB set to N (nothing for framebuffer devices and
> all adjacent options off so I don't put in any support for it.) I'm not sure
> why I stopped, but it works well without it and I assumed it was legacy
> stuff. As a last resort, you could try mimicing my file lol

0d:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Device 731f (rev c1) (prog-if 00 [VGA controller])
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device 0b36
        Flags: bus master, fast devsel, latency 0, IRQ 60
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at f0000000 (64-bit, prefetchable) [size=2M]
        I/O ports at f000 [size=256]
        Memory at fca00000 (32-bit, non-prefetchable) [size=512K]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [48] Vendor Specific Information: Len=08 <?>
        Capabilities: [50] Power Management version 3
        Capabilities: [64] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
        Capabilities: [150] Advanced Error Reporting
        Capabilities: [200] #15
        Capabilities: [240] Power Budgeting <?>
        Capabilities: [270] #19
        Capabilities: [2a0] Access Control Services
        Capabilities: [2b0] Address Translation Service (ATS)
        Capabilities: [2c0] Page Request Interface (PRI)
        Capabilities: [2d0] Process Address Space ID (PASID)
        Capabilities: [320] Latency Tolerance Reporting
        Capabilities: [400] #25
        Capabilities: [410] #26
        Capabilities: [440] #27
        Kernel driver in use: amdgpu
        Kernel modules: amdgpu

look at my message at '2019-08-31 21:09:45 UTC'
for answer on whats in my config file

see Xorg output attached in next message.

'agd5f's amd-staging branch' - i will try to find it.
my next step is to compile LLVM 9(though message about version of LLVM seems
static, or so I suspect)

again, friendly remainder to everyone reading. Problems happens BEFORE xorg, it
happens at moment when amdgpu driver is loaded.

I have configured all entries to your config. all had to be disabled -
disabled. All not disabled is either mirror copy of yours or 'Y'.

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