* [Bug 211189] vgaarb overrides boot device unexpectedly with Intel and discrete AMDGPU
[not found] <bug-211189-2300@https.bugzilla.kernel.org/>
@ 2021-01-14 19:16 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-14 19:16 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Bjorn Helgaas (bjorn@helgaas.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |airlied@linux.ie,
| |bjorn@helgaas.com,
| |pjones@redhat.com
Component|PCI |Video(DRI - non Intel)
Assignee|drivers_pci@kernel-bugs.osd |drivers_video-dri@kernel-bu
|l.org |gs.osdl.org
--- Comment #1 from Bjorn Helgaas (bjorn@helgaas.com) ---
Reassigning to video/DRI since I don't think this is a PCI problem. If the
integrated GPU (00:02.0) is set to the default in firmware setup, this:
pci 0000:01:00.0: BAR 0: assigned to efifb
makes me wonder if this is a firmware issue.
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^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug 211189] vgaarb overrides boot device unexpectedly with Intel and discrete AMDGPU
[not found] <bug-211189-2300@https.bugzilla.kernel.org/>
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@ 2021-01-14 19:35 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-14 19:35 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Alex Deucher (alexdeucher@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #2 from Alex Deucher (alexdeucher@gmail.com) ---
Please attach your dmesg output. I agree this looks like an sbios issue since
the the efifb is apparently bound to the radeon chip.
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^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug 211189] vgaarb overrides boot device unexpectedly with Intel and discrete AMDGPU
[not found] <bug-211189-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2021-01-16 13:57 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #3 from Dominik Mierzejewski (dominik@greysector.net) ---
Created attachment 294673
--> https://bugzilla.kernel.org/attachment.cgi?id=294673&action=edit
dmesg from kernel 5.10.7
Thanks for your analysis. Full dmesg attached.
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From: bugzilla-daemon @ 2021-01-17 10:09 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Dominik Mierzejewski (dominik@greysector.net) changed:
What |Removed |Added
----------------------------------------------------------------------------
Tree|Mainline |Fedora
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From: bugzilla-daemon @ 2023-01-09 16:52 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Eduardo Medina (edurayasmedina@outlook.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |edurayasmedina@outlook.com
--- Comment #4 from Eduardo Medina (edurayasmedina@outlook.com) ---
Created attachment 303560
--> https://bugzilla.kernel.org/attachment.cgi?id=303560&action=edit
dmesg from Intel Alder Lake + Radeon RX 580
Hi. Is there any progress? I get this when I run the "switcherooctl list"
command on my Intel Alder Lake system with a RX 580 GPU.
Device: 0
Name: Advanced Micro Devices, Inc. [AMD®/ATI] Ellesmere [Radeon RX
470/480/570/570X/580/580X/590] (Nitro+ Radeon RX 570/580/590)
Default: yes
Environment: DRI_PRIME=pci-0000_01_00_0
Device: 1
Name: Intel Corporation AlderLake-S GT1
Default: no
Environment: DRI_PRIME=pci-0000_00_02_0
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From: bugzilla-daemon @ 2023-01-09 17:10 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #5 from Alex Deucher (alexdeucher@gmail.com) ---
What GPU does the sbios use for boot messages before you boot the OS?
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From: bugzilla-daemon @ 2023-01-09 17:28 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #6 from Eduardo Medina (edurayasmedina@outlook.com) ---
How I do to check that? I force the use of the iGPU from the motherboard, but
even with that the system identifies the dedicated card as the iGPU and vice
versa.
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From: bugzilla-daemon @ 2023-01-09 17:53 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #7 from Alex Deucher (alexdeucher@gmail.com) ---
(In reply to Eduardo Medina from comment #6)
> How I do to check that? I force the use of the iGPU from the motherboard,
> but even with that the system identifies the dedicated card as the iGPU and
> vice versa.
When you boot the system, before the OS loads, what GPU displays the sbios
splash screen? If it's always the dGPU, regardless of what you set in the
sbios, it sounds like the sbios is broken and just always sets the dGPU as
default. The Linux kernel looks at what the pre-OS environment left when the
kernel loads.
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From: bugzilla-daemon @ 2023-01-09 18:36 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #8 from Eduardo Medina (edurayasmedina@outlook.com) ---
Well, I'm a stupid person.
When I boot the computer, the splash screen always looks like if it's broken.
But I put the HDMI output on the motherboard and now the cards are well
identified.
Now the color looks a ugly, but switcherooctl list shows the GPUs in order.
Sorry to waste your time.
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From: bugzilla-daemon @ 2023-01-09 19:03 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #9 from Alex Deucher (alexdeucher@gmail.com) ---
No worries. Can you close this ticket?
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From: bugzilla-daemon @ 2023-01-09 19:24 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
--- Comment #10 from Eduardo Medina (edurayasmedina@outlook.com) ---
No, I can't. Sorry again.
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From: bugzilla-daemon @ 2025-10-28 16:52 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Mario Limonciello (AMD) (mario.limonciello@amd.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |mario.limonciello@amd.com
Resolution|--- |CODE_FIX
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From: bugzilla-daemon @ 2025-10-28 16:52 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=211189
Mario Limonciello (AMD) (mario.limonciello@amd.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|CODE_FIX |UNREPRODUCIBLE
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