[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

            Bug ID: 107324
           Summary: Radeon driver fails to install with modprobe: ERROR:
                    could not insert 'radeon': Invalid argument
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: jamesstewartmiller@gmail.com

Hi, on the following:
Advanced Micro Devices, Inc. [AMD/ATI] RV770/M98L [Mobility Radeon HD 4850]
 on a 2009 imac running kubuntu 18.04 and kde 16.04 and kernel:
4.15.0-29-generic
I'm having no luck obtaining anything but the vesa driver.
The addition of nomodeset to the kernel parameters (booting from refind with no
grub) is necessary to get a graphical desktop.  If I leave modesetting on, the
screen blacks out as the mode is changed.  If I turn it off I get the vesa but
an error is reported that there is no ums available in the radeon module.
This has occurred on kde neon clean install and kubuntu.

Many thanks.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #1 from jamesstewartmiller@gmail.com ---
sudo modprobe radeon gives
modprobe: ERROR: could not insert 'radeon': Invalid argument
I have tried oibaf drivers ppa
and also have compiled a custom rt kernel (for audio use), with no joy.
I have tried removing the hw xorg drivers reinstalling xorg-core, but again, no
luck.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

jamesstewartmiller@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
           Priority|medium                      |high

--- Comment #2 from jamesstewartmiller@gmail.com ---
I've changed the status to critical since I am unable to load the radeon driver
at all.
However, I am getting a report from glxinfo that looks like the radeon driver
is loaded, unless it is running in software.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #3 from jamesstewartmiller@gmail.com ---
I've attached a separate screen via the displayport, and the radeon driver
loads and I get the second monitor as a secondary screen, from which I can
access kscreen through the settings dialog and then set as the primary.
Throughout this time, the secondary display is working but is dark in
comparison to what I would expect, but the primary screen, the imac, is a black
screen except for tear type artefacts like barely visible equidistant lines
floating upwards.
I would guess that the edid is reported incorrectly, as the imac screen is
reported in the settings dialog as 'laptop'.
I'm going to try obtaining and setting an edid etc now.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

jamesstewartmiller@gmail.com changed:

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

--- Comment #4 from jamesstewartmiller@gmail.com ---


*** This bug has been marked as a duplicate of bug 98046 ***

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

jamesstewartmiller@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

jamesstewartmiller@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|DUPLICATE                   |---
             Status|VERIFIED                    |REOPENED

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

jamesstewartmiller@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |NEW

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #5 from jamesstewartmiller@gmail.com ---
I'm not sure if it is a duplicate or not as it happens of bug 98046

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #6 from Christian König <ckoenig.leichtzumerken@gmail.com> ---
Please provide a full dmesg output as attachment.

"modprobe: ERROR: could not insert 'radeon': Invalid argument" either means
that your hardware isn't supported for some reason or you manually provided an
invalid setting.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

Christian König <ckoenig.leichtzumerken@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #7 from jamesstewartmiller@gmail.com ---
Created attachment 140775
  --> https://bugs.freedesktop.org/attachment.cgi?id=140775&action=edit
dmesg output with radeon inserted via modprobe

dmesg output - I've attempted to modprobe the radeon module, but the module
reports that there is no ums.  If I insert it with nomodeset, it fails.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #8 from jamesstewartmiller@gmail.com ---
Created attachment 140776
  --> https://bugs.freedesktop.org/attachment.cgi?id=140776&action=edit
results log from ubuntu firmware checking tool

This is the output from the ubuntu firmware inspection tool, which includes
relevant snippets of kern.log etc

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #9 from jamesstewartmiller@gmail.com ---
Hey Christian Konig, thanks for all your hard work on the driver, I've been
checking bug 98046 which details something similar, and have seen your work on
improving the pll code, which I have been examining to see if I can understand
more about this situation, but I'm a noob with graphics processing at this
level.

James Cameron in discussion on bug 98046 has examined the pll issue and has
resorted to forcing the install of kernel 3.13.0-117-generic.  He has traced
the bad commit to 32167016076f714f0e35e287fbead7de0f1fb179

I'm afraid I haven't done any git bisecting of kernels etc and don't even know
how, yet, to look up what this commit is - I have some reading to do; I'd like
to learn.

This is affecting my imac 2009, which for me was some outlay, as I don't work,
and with its virtually unchangeable graphics card is really getting my goat, as
I'd really been looking forward to using wayland.

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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--- Comment #10 from Michel Dänzer <michel@daenzer.net> ---
If the modprobe error happens only when nomodeset is on the kernel command
line, that's expected, as the radeon driver cannot work with nomodeset. Sounds
like the real issue here is the black screen without nomodeset, which is
covered by bug 98046?

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[Bug 107324] Radeon driver fails to install with modprobe: ERROR: could not insert 'radeon': Invalid argument

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https://bugs.freedesktop.org/show_bug.cgi?id=107324

--- Comment #11 from Christian König <ckoenig.leichtzumerken@gmail.com> ---
The issue with commit 32167016076f714f0e35e287fbead7de0f1fb179 is that it fixed
things quite a bunch of people, but unfortunately also broke things for some
other.

So far we tried to mitigate problems by avoiding known to be problematic
configurations, but but it is really hard to find documentation for such old
hardware.

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--- Comment #12 from jamesstewartmiller@gmail.com ---
Is there any way to selectively swap out that portion of the driver for the
inoffensive parts of code for the imac (and perhaps other problematic models)
that I have?
Is there any point in me investing time to learn to bisect and learn the coding
specifics of plls and calculations etc?
At the moment it is either do something like that, or put up with the vesa
driver and cope with the memory loss (I use this machine for audio), or swap
out the graphics card.
In the last instance, do you know Christian, if it is possible to find a list
of affected cards?
I can exchange my radeon 4850 for a 6970M 2GB, increasing the ram, but there is
no point at all, if it doesn't work with the radeon driver, and I will have to
pick up my game, quite substantially as a programmer, if I want to edit that
myself.

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Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEEDINFO                    |RESOLVED

--- Comment #13 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/854.

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