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Date:      Mon, 30 Dec 2019 09:17:49 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Victor Sudakov <vas@sibptus.ru>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: kernel: drmn0: This code is obsolete abandonware. Install the graphics/drm-legacy-kmod pkg
Message-ID:  <20191230091749.b86d5622.freebsd@edvax.de>
In-Reply-To: <20191230064017.GA28510@admin.sibptus.ru>
References:  <20191230045740.GA20668@admin.sibptus.ru> <20191230065405.eb83eb86.freebsd@edvax.de> <20191230060307.GA25721@admin.sibptus.ru> <20191230072754.0c7a8920.freebsd@edvax.de> <20191230064017.GA28510@admin.sibptus.ru>

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On Mon, 30 Dec 2019 13:40:17 +0700, Victor Sudakov wrote:
> Polytropon wrote:
> > > > On Mon, 30 Dec 2019 11:57:40 +0700, Victor Sudakov wrote:
> > > > > On an "HP ProBook 6560b" notebook running FreeBSD 12.1, I've installed
> > > > > graphics/drm-kmod and loaded it via
> > > > > kld_list="/boot/modules/radeonkms.ko" in rc.conf. The X server even works OK.
> > > > > 
> > > > > # pkg which "/boot/modules/radeonkms.ko"
> > > > > /boot/modules/radeonkms.ko was installed by
> > > > > package drm-fbsd12.0-kmod-4.16.g20191120
> > > > > 
> > > > > However, the kernel complains:
> > > > > 
> > > > > "kernel: drmn0: This code is obsolete abandonware.
> > > > > Install the graphics/drm-legacy-kmod pkg"
> > > > > 
> > > > > Is this some kind of bug?
> > > > 
> > > > No, it's intended. You'll also see such warnings during
> > > > the boot process and in the system message log file.
> > > > 
> > > 
> > > It cannot be intended with graphics/drm-kmod installed which is by
> > > definition not "legacy" or "obsolete". Quite the opposite, it should be
> > > the newer driver.
> > 
> > Not really. From the description:
> > 
> > 	amdgpu, i915, and radeon DRM modules for the
> > 	linuxkpi-based KMS components on amd64, i915
> > 	and radeonkms DRM modules from the former
> > 	base DRM component on other architectures.
> > 
> > 	Metaport for different versions of Linux
> > 	DRM based on the FreeBSD version in use.
> > 
> > This port is a meta-port of the drivers previously contained
> 
> Which "this port", graphics/drm-legacy-kmod (which I don't have
> installed) or graphics/drm-kmod (which I have installed)?

The graphics/drm-kmod (installed) = "old drivers" at the
moment; graphics/drm-legacy-kmod will be "the new name"
for the "old drivers".



> > in the OS installation (course of migrating OS components to
> > individual packages). So it contains the "old drivers", that's
> > why it'll be replaced by the "legacy"-named package, and the
> > corresponding stuff will be removed from the OS entirely.
> > 
> > There will be packages specific to OS versions, to better
> > match them, for example graphics/drm-fbsd12.0-kmod for
> > FreeBSD 12, and graphics/drm-fbsd13.0-kmod for upcoming
> > FreeBSD 13. This way, legacy stuff (for old hardware) can
> > be separated from new development for more recent hardware.
> > 
> 
> Well, in my case
> 
> # pkg which "/boot/modules/radeonkms.ko" 
> /boot/modules/radeonkms.ko was installed by package
> drm-fbsd12.0-kmod-4.16.g20191120
> 
> this is probably *the* OS specific version.

Very strange. You said you have drm-kmod installed, but
you get the "it's obsolete" message from something installed
by drm-fbsd12.0-kmod? Is that obsolete, too? ;-)



> > Of course, the loading methods (kld_list setting in /etc/rc.conf)
> > will have to be adjusted accordingly. Also note that those are
> > metaports, installing a collection of individual driver packages,
> > if I read (and understood) the description correctly...
> Which do I have then, to begin with?
> 
> # pkg info | grep kmo
> drm-fbsd12.0-kmod-4.16.g20191120 DRM modules for the linuxkpi-based KMS components
> drm-kmod-g20190710             Metaport of DRM modules for the linuxkpi-based KMS components
> gpu-firmware-kmod-g20190825    Firmware modules for the linuxkpi-based KMS components

You should only need to install one out of those:

	(a) drm-fbsd12.0-kmod - for current drivers

	(b) drm-(legacy)-kmod - for "old drivers"

Note that I'm not sure in how far (a) can be used with
older _hardware_ i. e., if it will contain drivers that
will support it. I also don't know if the installation
location (!) does differ, or if something can overwrite
files...

If I understood the documentation correctly, drm-kmod
should not be used anymore, in favor of one of the two
options mentioned above.



> > > > There now is a "legacy" package that is to be used.
> > > > I haven't tried this yet, but it should provide the same
> > > > functionality. Sidenote: I see the same with Intel graphics
> > > > in an older Lenovo Thinkpad.
> > > > 
> > > > >From the package description:
> > > > 
> > > > 	Legacy DRM driver that used to be in FreeBSD base
> > > > 	before the removal in FreeBSD 13.  For newer Intel
> > > > 	and AMD hardware, please use graphics/drm-kmod
> > > > 	which will pick an appropriate driver for your
> > > > 	system.
> > > 
> > > That is it! As I wrote before, I use graphics/drm-kmod, but still see
> > > complaints about "obsolete abandonware." If it is intended, then it's a
> > > very odd intention.
> > 
> > Sorry I didn't explain it more clearly in my first reply.
> > The graphics/drm-kmod package is the "old drivers", while
> > graphics/drm-fbsd12.0-kmod is the one you should use if you
> > want the "new drivers". However, I'm not sure in how far
> > this will work with older hardware...
> > 
> > Detailed information here:
> > 
> > https://www.freshports.org/graphics/drm-fbsd12.0-kmod
> 
> This is what I seem to have:
> 
> # pkg which "/boot/modules/radeonkms.ko" 
> /boot/modules/radeonkms.ko was installed by package
> drm-fbsd12.0-kmod-4.16.g20191120

The "new drivers" then. Again, that should not issue the
abandonware message initially discussed.



Very strange...




-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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