[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

            Bug ID: 108307
           Summary: Regression: Raven Ridge 2700U does not boot with
                    4.19-rc7
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: samantham@posteo.net

I have a Lenovo A485. Kernel 4.18.12 works fine for me, but I have tried almost
all the RC's (1, 5, 6, 7) and the screen turns black when GRUB would normally
be showing "loading initramfs" or it freezes when it's showing "loading
initramfs".

lspci -nn
05:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series]
[1002:15dd] (rev d0)

I found this bug report which seemed similar to what I was experiencing, but my
firmware is up to date https://bugs.freedesktop.org/show_bug.cgi?id=107880
[    2.814558] [drm] Found VCN firmware Version: 1.73 Family ID: 18

I tried:  modprobe.blacklist=amdgpu and that did not change anything.

Let me know how I can help troubleshoot this problem. Thanks.

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Can you bisect?  If you set modprobe.blacklist=amdgpu on the kernel command
line in grub and you are still getting a problem, it's an issue outside of the
graphics driver.  If so, does setting pci=noacpi help?

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #2 from Samantha McVey <samantham@posteo.net> ---
Created attachment 141966
  --> https://bugs.freedesktop.org/attachment.cgi?id=141966&action=edit
Booting with pci noacpi

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #3 from Samantha McVey <samantham@posteo.net> ---
I was able to get something on the screen when I added "pci=noacpi" (this was
without blacklisting amdgpu).

[Firmware Bug]: AMD-Vi: No southbridge IOAPIC fonud
AMD-Vi: Disabling interrupt remapping
platform USBC000:00 failed to claim resource 0: [mem ...]
acpi USBC000:00: platform device creation failed: -16
AMD-Vi: Unable to write to IOMMU perf counter.
...

I uploaded an attachment which shows the full output (I only typed out the
first several lines).

I might be able to bisect if needed. Does the image I uploaded show you
anything useful?

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #4 from Samantha McVey <samantham@posteo.net> ---
I just tested on the latest git (v4.19-rc7-15-g64c5e530ac2c) and I didn't see
any issues. So the issue has been either fixed between 4.19-rc7 and latest git
or something in the kernel config is different.

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> ---
Sounds like it may be related to:
https://bugzilla.kernel.org/show_bug.cgi?id=200087

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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[Bug 108307] Regression: Raven Ridge 2700U does not boot with 4.19-rc7

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https://bugs.freedesktop.org/show_bug.cgi?id=108307

--- Comment #6 from Samantha McVey <samantham@posteo.net> ---
It turns out it is config related, as I compiled the kernel with my old config
instead of a minimal one, and I had the same boot issue. I posted about my
issue here https://bugzilla.kernel.org/show_bug.cgi?id=200087 since that may be
the same bug.

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