Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Stuart Longland]

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Hi all,

I have a silly question, hopefully with a very easy answer.  I'm getting
the following error in my kernel `dmesg` at boot:

> [    1.663664] amdgpu 0000:23:00.0: Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2
> [    1.663747] mc: Failed to load firmware "amdgpu/polaris12_mc.bin"
> [    1.663812] [drm:gmc_v8_0_sw_init] *ERROR* Failed to load mc firmware!
> [    1.663878] [drm:amdgpu_device_init] *ERROR* sw_init of IP block <gmc_v8_0> failed -2

This is on kernel 4.12.3, video card is a Asus-branded Radeon RX 550,
and I have tried Gentoo's `sys-kernel/linux-firmware` package, the
firmware installed by `make firmware_install` and downloading firmware
blobs from: https://people.freedesktop.org/~agd5f/radeon_ucode/polaris/

I have also tried the drm-next branch of the kernel, commit
a26307ced13c6f1ad82593964e303b053586b064, with the same effect.

I can confirm that /lib/firmware/amdgpu/polaris12_mc.bin exists.  So I
have no idea why I am getting -ENOENT (aka error -2).  If the file isn't
to go in /lib/firmware, then where do I put it?
-- 
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
  ...it's backed up on a tape somewhere.



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Re: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Stuart Longland]

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On 21/07/17 19:20, Stuart Longland wrote:
> I have also tried the drm-next branch of the kernel, commit
> a26307ced13c6f1ad82593964e303b053586b064, with the same effect.
> 
> I can confirm that /lib/firmware/amdgpu/polaris12_mc.bin exists.  So I
> have no idea why I am getting -ENOENT (aka error -2).  If the file isn't
> to go in /lib/firmware, then where do I put it?

The following .config options in the kernel have worked around the issue
I think:

> CONFIG_FW_LOADER=y
> # CONFIG_FIRMWARE_IN_KERNEL is not set
> CONFIG_EXTRA_FIRMWARE="amdgpu/polaris12_ce.bin amdgpu/polaris12_mc.bin amdgpu/polaris12_me.bin amdgpu/polaris12_mec2.bin amdgpu/polaris12_mec.bin amdgpu/polaris12_pfp.bin amdgpu/polaris12_rlc.bin amdgpu/polaris12_sdma1.bin amdgpu/polaris12_sdma.bin amdgpu/polaris12_smc.bin amdgpu/polaris12_uvd.bin amdgpu/polaris12_vce.bin"
> CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"

Testing with some of the OpenGL screensavers in xscreensaver seems to
show reasonable performance (well, good enough for my needs: this is a
work PC).

I'm not sure that's the proper solution though.  It at least confirms my
firmware binaries are good though, otherwise I'm certain it wouldn't be
working there either.
-- 
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
  ...it's backed up on a tape somewhere.


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RE: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org] On Behalf
> Of Stuart Longland
> Sent: Friday, July 21, 2017 5:21 AM
> To: amd-gfx@lists.freedesktop.org
> Subject: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with
> error -2
> 
> Hi all,
> 
> I have a silly question, hopefully with a very easy answer.  I'm getting
> the following error in my kernel `dmesg` at boot:
> 
> > [    1.663664] amdgpu 0000:23:00.0: Direct firmware load for
> amdgpu/polaris12_mc.bin failed with error -2
> > [    1.663747] mc: Failed to load firmware "amdgpu/polaris12_mc.bin"
> > [    1.663812] [drm:gmc_v8_0_sw_init] *ERROR* Failed to load mc
> firmware!
> > [    1.663878] [drm:amdgpu_device_init] *ERROR* sw_init of IP block
> <gmc_v8_0> failed -2
> 
> This is on kernel 4.12.3, video card is a Asus-branded Radeon RX 550,
> and I have tried Gentoo's `sys-kernel/linux-firmware` package, the
> firmware installed by `make firmware_install` and downloading firmware
> blobs from: https://people.freedesktop.org/~agd5f/radeon_ucode/polaris/
> 
> I have also tried the drm-next branch of the kernel, commit
> a26307ced13c6f1ad82593964e303b053586b064, with the same effect.
> 
> I can confirm that /lib/firmware/amdgpu/polaris12_mc.bin exists.  So I
> have no idea why I am getting -ENOENT (aka error -2).  If the file isn't
> to go in /lib/firmware, then where do I put it?

You need to make sure the firmware is also included in your initrd if you are using one.

Alex

> --
> Stuart Longland (aka Redhatter, VK4MSL)
> 
> I haven't lost my mind...
>   ...it's backed up on a tape somewhere.
> 

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Re: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Stuart Longland]

On 22/07/17 03:18, Deucher, Alexander wrote:
>> I can confirm that /lib/firmware/amdgpu/polaris12_mc.bin exists.  So I
>> have no idea why I am getting -ENOENT (aka error -2).  If the file isn't
>> to go in /lib/firmware, then where do I put it?
> You need to make sure the firmware is also included in your initrd if you are using one.

Yeah, I don't use an initrd: I find it's too much of a pain to maintain
one (had that situation years ago with a machine that needed one for
software/BIOS RAID), so I ensure the drivers needed for mounting / are
baked into the kernel.

I understand why distributions use them though: they want to make a
kernel that works for possibly thousands of (incompatible) different
configurations.  I just need to make a kernel for my machine, so don't
need the complexity.

I should have mentioned that I wasn't using an initrd, my apologies for
leaving that out. :-)
-- 
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
  ...it's backed up on a tape somewhere.
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Re: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Michel Dänzer]

On 22/07/17 07:55 AM, Stuart Longland wrote:
> On 22/07/17 03:18, Deucher, Alexander wrote:
>>> I can confirm that /lib/firmware/amdgpu/polaris12_mc.bin exists.  So I
>>> have no idea why I am getting -ENOENT (aka error -2).  If the file isn't
>>> to go in /lib/firmware, then where do I put it?
>> You need to make sure the firmware is also included in your initrd if you are using one.
> 
> Yeah, I don't use an initrd: I find it's too much of a pain to maintain
> one (had that situation years ago with a machine that needed one for
> software/BIOS RAID), so I ensure the drivers needed for mounting / are
> baked into the kernel.
> 
> I understand why distributions use them though: they want to make a
> kernel that works for possibly thousands of (incompatible) different
> configurations.  I just need to make a kernel for my machine, so don't
> need the complexity.
> 
> I should have mentioned that I wasn't using an initrd, my apologies for
> leaving that out. :-)

If you compile the amdgpu driver into the kernel as well (not
recommended), you need to make sure all firmware files it needs for your
GPU(s) are included in the kernel as well.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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Re: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2

[Stuart Longland]

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On 24/07/17 11:02, Michel Dänzer wrote:
>> Yeah, I don't use an initrd: I find it's too much of a pain to maintain
>> one (had that situation years ago with a machine that needed one for
>> software/BIOS RAID), so I ensure the drivers needed for mounting / are
>> baked into the kernel.
>>
> If you compile the amdgpu driver into the kernel as well (not
> recommended), you need to make sure all firmware files it needs for your
> GPU(s) are included in the kernel as well.

Ahh okay, so it's a quirk of having it built into the kernel: it races
mounting /.  If I get a moment later today I'll try making `amdgpu` a
module and see how I go.

Many thanks.
Regards,
-- 
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
  ...it's backed up on a tape somewhere.


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Re: Fixing Direct firmware load for amdgpu/polaris12_mc.bin failed with error -2 [RESOLVED]

[Stuart Longland]

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On 24/07/17 11:55, Stuart Longland wrote:
> Ahh okay, so it's a quirk of having it built into the kernel: it races
> mounting /.  If I get a moment later today I'll try making `amdgpu` a
> module and see how I go.

Right, that fixed it.  Downside with the module loading later is that I
don't get the rookery of penguins (16 of them) showing up on initial
boot, but big deal, it works. :-)

The changes, for anyone else that might strike this issue:
> vk4msl-ws /home/stuartl # diff -u /boot/config-4.13.0-rc1+.old /boot/config-4.13.0-rc1+
> --- /boot/config-4.13.0-rc1+.old	2017-07-21 19:25:06.000000000 +1000
> +++ /boot/config-4.13.0-rc1+	2017-07-24 12:40:14.000000000 +1000
> @@ -1712,8 +1712,7 @@
>  CONFIG_PREVENT_FIRMWARE_BUILD=y
>  CONFIG_FW_LOADER=y
>  # CONFIG_FIRMWARE_IN_KERNEL is not set
> -CONFIG_EXTRA_FIRMWARE="amdgpu/polaris12_ce.bin amdgpu/polaris12_mc.bin amdgpu/polaris12_me.bin amdgpu/polaris12_mec2.bin amdgpu/polaris12_mec.bin amdgpu/polaris12_pfp.bin amdgpu/polaris12_rlc.bin amdgpu/polaris12_sdma1.bin amdgpu/polaris12_sdma.bin amdgpu/polaris12_smc.bin amdgpu/polaris12_uvd.bin amdgpu/polaris12_vce.bin"
> -CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"
> +CONFIG_EXTRA_FIRMWARE=""
>  CONFIG_FW_LOADER_USER_HELPER=y
>  # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set
>  CONFIG_ALLOW_DEV_COREDUMP=y
> @@ -3576,7 +3575,7 @@
>  #
>  # Multifunction device drivers
>  #
> -CONFIG_MFD_CORE=y
> +CONFIG_MFD_CORE=m
>  # CONFIG_MFD_AS3711 is not set
>  # CONFIG_PMIC_ADP5520 is not set
>  # CONFIG_MFD_AAT2870_CORE is not set
> @@ -4339,7 +4338,7 @@
>  CONFIG_DRM_FBDEV_EMULATION=y
>  CONFIG_DRM_FBDEV_OVERALLOC=100
>  CONFIG_DRM_LOAD_EDID_FIRMWARE=y
> -CONFIG_DRM_TTM=y
> +CONFIG_DRM_TTM=m
>  CONFIG_DRM_VM=y
>  
>  #
> @@ -4349,7 +4348,7 @@
>  CONFIG_DRM_I2C_SIL164=m
>  # CONFIG_DRM_I2C_NXP_TDA998X is not set
>  # CONFIG_DRM_RADEON is not set
> -CONFIG_DRM_AMDGPU=y
> +CONFIG_DRM_AMDGPU=m
>  CONFIG_DRM_AMDGPU_SI=y
>  CONFIG_DRM_AMDGPU_CIK=y
>  CONFIG_DRM_AMDGPU_USERPTR=y

Many thanks. :-)
Regards,
-- 
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
  ...it's backed up on a tape somewhere.


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