[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

            Bug ID: 107880
           Summary: Regression: System fails to boot on raven ridge 4.18
                    vs 4.19 rc
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: marvin.damschen@gullz.de

Created attachment 141500
  --> https://bugs.freedesktop.org/attachment.cgi?id=141500&action=edit
Successful boot with 4.18.7 on Raven Ridge

System boots fine with kernel 4.18 on a Raven Ridge (AMD Ryzen 5 2500U, Lenovo
E485, latest firmware from linux-firmware.git), but boot fails with kernel 4.19
(tested rc2 and rc3). System hangs after "fb: switching to amdgpudrmfb from EFI
VGA".
I am unable to obtain any logs of the crash (LUKS encryption might be the
reason?). I will attach a log of a working boot with 4.18.7, please let me know
how to provide more info.

Thank you
Marvin

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #141500|text/x-log                  |text/plain
          mime type|                            |

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Marvin Damschen from comment #0)
> System hangs after "fb: switching to amdgpudrmfb from EFI VGA".

How long have you waited for? E.g. if a microcode file is missing, the attempt
to load it can hang for one or several minutes before timing out.


> I am unable to obtain any logs of the crash (LUKS encryption might be the
> reason?).

One possibility is to prevent the driver from loading by passing

 modprobe.blacklist=amdgpu

on the kernel command line, then you can try manually loading it with

 sudo modprobe amdgpu

and should get the full dmesg output.

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #2 from Marvin Damschen <marvin.damschen@gullz.de> ---
(In reply to Michel Dänzer from comment #1)
> (In reply to Marvin Damschen from comment #0)
> > System hangs after "fb: switching to amdgpudrmfb from EFI VGA".
> 
> How long have you waited for? E.g. if a microcode file is missing, the
> attempt to load it can hang for one or several minutes before timing out.
Waited for ~5min now, but nothing changed.

> > I am unable to obtain any logs of the crash (LUKS encryption might be the
> > reason?).
> 
> One possibility is to prevent the driver from loading by passing
> 
>  modprobe.blacklist=amdgpu
> 
> on the kernel command line, then you can try manually loading it with
> 
>  sudo modprobe amdgpu
> 
> and should get the full dmesg output.
Thank you, this worked. Full output is attached, but appears fine. Still, the
video output freezes.

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #3 from Marvin Damschen <marvin.damschen@gullz.de> ---
Created attachment 141502
  --> https://bugs.freedesktop.org/attachment.cgi?id=141502&action=edit
Modprobe amdgpu freezes video output with 4.19-rc3

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #4 from Michel Dänzer <michel@daenzer.net> ---
Looks like there may be an issue with the VCN microcode loading. Does

 amdgpu.ip_block_mask=0xff

on the kernel command line avoid the problem?

Can you bisect?

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #5 from Marvin Damschen <marvin.damschen@gullz.de> ---
(In reply to Michel Dänzer from comment #4)
> Looks like there may be an issue with the VCN microcode loading. Does
> 
>  amdgpu.ip_block_mask=0xff
> 
> on the kernel command line avoid the problem?
It does! dmesg contains a lot of call traces though (I will attach).

> Can you bisect?
I can, but will probably find time by the end of the week only.

Thank you
Marvin

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

Marvin Damschen <marvin.damschen@gullz.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #141500|0                           |1
        is obsolete|                            |

--- Comment #6 from Marvin Damschen <marvin.damschen@gullz.de> ---
Created attachment 141503
  --> https://bugs.freedesktop.org/attachment.cgi?id=141503&action=edit
4.19-rc3 with amdgpu.ip_block_mask=0xff

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #7 from jamesz@amd.com <jamesz@amd.com> ---
Dmesg shows: Found VCN firmware Version: 1.24 Family ID: 18.
It is really old.
Please update with latest vcn firmware for raven (1.73)
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=bd63ccb9d9dd926aa7072f416363dd8f529b5fca.

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

Marvin Damschen <marvin.damschen@gullz.de> changed:

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

--- Comment #8 from Marvin Damschen <marvin.damschen@gullz.de> ---
I overlooked that the ubuntu kernel builds bring their own firmware for each
version. In my case, I had the recent firmware in /lib/firmware/amdgpu, but
/lib/firmware/4.19.0-041900rc3-generic/amdgpu/ was actually used. I moved the
files accordingly and 4.19-rc3 boots perfectly fine now without any extra
parameters.
Thank you and sorry for the trouble.

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #9 from jamesz@amd.com <jamesz@amd.com> ---
Hi Marvin,

That is great! I want to check with you where this old VCN firmware came from.

Did you install old AMD ROCm package on this system before?

Best Regards!
James Zhu

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #10 from Marvin Damschen <marvin.damschen@gullz.de> ---
(In reply to jamesz@amd.com from comment #9)

> Did you install old AMD ROCm package on this system before?
Yes, I did. I now believe that removing all traces of rocm-dkms eliminated the
root of the problem.

Best regards
Marvin

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #11 from jamesz@amd.com <jamesz@amd.com> ---
I think latest ROCm package has fixed this issue. You are welcome to try it.

Best Regards!
James zhu

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[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

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https://bugs.freedesktop.org/show_bug.cgi?id=107880

--- Comment #12 from Marvin Damschen <marvin.damschen@gullz.de> ---
rocm-dkms
(http://repo.radeon.com/rocm/apt/debian/pool/main/r/rock-dkms/rock-dkms_1.8-199_all.deb)
currently still contains the old firmware. I will open an issue on ROCm's
GitHub repo.

Best regards
Marvin

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