Re: [gentoo-user] Porblems with nvidia-settings vs. nvidia-drivers: Up-/downgrade race condition

[Alan McKinnon]

On 17/10/2015 18:42, Meino.Cramer@×××.de wrote:
> Alan McKinnon <alan.mckinnon@×××××.com> [15-10-17 18:24]:
>> On 17/10/2015 16:59, Meino.Cramer@×××.de wrote:
>>> Heiko Baums <lists@××××××××××××.de> [15-10-17 15:44]:
>>>> Am 17.10.2015 um 13:07 schrieb Meino.Cramer@×××.de:
>>>>
>>>>> previously I had emerged nvidia-settings seperately. This leads to an
>>>>> problem with a recent update, because the nvidia-settings were
>>>>> pulling in the old version of the nvidia-drivers and the update wants
>>>>> the new version of the drivers.
>>>>>
>>>>> So I emerge -C'ed the nvidia-settings, set the USE-flag 'tools' for
>>>>> the drivers and updated...it works.
>>>>>
>>>>> This morning ... updateing my Gentoo box again, the same scenario
>>>>> happens again...nvidia-settings (old version) were missing (why?)
>>>>> and again wants the old driver while emerge wants the new one.
>>>>>
>>>>> How can I get out of this?
>>>>
>>>> Do you have xfce-extra/xfce4-sensors-plugin with
>>>> USE="video_cards_nvidia" resp. VIDEO_CARDS="nvidia" installed?
>>>>
>>>> Because this pulls in media-video/nvidia-settings.
>>>>
>>>> My guess is that media-video/nvidia-settings is now included in
>>>> x11-drivers/nvidia-drivers and is therefore not needed anymore as a
>>>> separate package.
>>>>
>>>> As a workaround, because I hadn't had time to file a bug report when I
>>>> discovered this, I just reinstalled xfce-extra/xfce4-sensors-plugin with
>>>> USE="-video_cards_nvidia".
>>>>
>>>> There are some other packages which pull in media-video/nvidia-settings
>>>> if VIDEO_CARDS="nvidia" is set. So if you don't use Xfce it's probably
>>>> one of those packages.
>>>>
>>>> Just run `equery depends nvidia-settings` or `emerge -pv --tree ...` to
>>>> see by which package it gets pulled in.
>>>>
>>>
>>> Hi Heiko,
>>> (_sounds_ somehow redundant, hahahaha! ;)
>>>
>>> Thanks for the help! :)
>>> The equery command found three more of those:
>>> app-admin/conky-1.9.0-r3 (nvidia ? media-video/nvidia-settings)
>>> sci-libs/vtk-6.1.0-r1 (video_cards_nvidia ? media-video/nvidia-settings)
>>> sys-apps/hwloc-1.10.0-r2 (gl ? media-video/nvidia-settings)
>>>
>>> I fixed that via accorinding use-flag setting as you suggested but
>>> unfortunately vtk is ignoring my manipulations:
>>>
>>> [I] sci-libs/vtk
>>>      Available versions:  ~6.0.0^t (~)6.1.0^t 6.1.0-r1^t {R +X all-modules aqua boost cg doc examples ffmpeg gdal imaging java json kaapi mpi mysql odbc offscreen postgres python qt4 rendering smp tbb tcl test theora tk views web xdmf2 ELIBC="FreeBSD" PYTHON_TARGETS="python2_7" VIDEO_CARDS="nvidia"}
>>>      Installed versions:  6.1.0-r1^t(05:31:39 06/13/15)(X rendering tcl tk -R -all-modules -aqua -boost -cg -doc -examples -ffmpeg -gdal -imaging -java -json -kaapi -mpi -mysql -odbc -offscreen -postgres -python -qt4 -smp -tbb -test -theora -views -web -xdmf2 ELIBC="-FreeBSD" PYTHON_TARGETS="python2_7" VIDEO_CARDS="nvidia")
>>>      Homepage:            http://www.vtk.org/
>>>      Description:         The Visualization Toolkit
>>>
>>>
>>> There is no 'nvidia-settings" use-flag with vtk.
>>>
>>> But nevertheless - it pulls it in:
>>> [nomerge       ] sci-libs/vtk-6.1.0-r1::gentoo  USE="X rendering tcl tk -R -all-modules (-aqua) -boost -cg -doc (-examples) -ffmpeg -gdal -imaging -java -json -kaapi -mpi -mysql -odbc -offscreen -postgres -python -qt4 -smp -tbb {-test} -theora -views -web -xdmf2" PYTHON_TARGETS="python2_7" VIDEO_CARDS="nvidia"
>>> [ebuild  N    ~]  media-video/nvidia-settings-355.11::gentoo  USE="-examples -gtk3" 0 KiB
>>>
>>>
>>> Am I lost? ;)
>>
>> With the tree currently as-is, yes. vtk blindly pulls in nvidia-settings:
>>
>> RDEPEND="
>> 	...
>> 	video_cards_nvidia? ( media-video/nvidia-settings )
>>
>>
>> Which is a bit of a blunt weapon - saying nvidia in make.conf gives you
>> nvidia-settings regardless of anything else.
>>
>> I would suggest removing nvidia-drivers from world, putting
>> nvidia-settings in instead. This will enforce that you only get drivers
>> packages that are compatible with settings. Any ebuild that tries to
>> update drivers to latest without a matching settings will run into a
>> blocker.
>>
>> Ideal of course would be nvidia-settings is always in step with
>> nvidia-drivers then this problem just never arises. Why those two are
>> eternally out of step is beyond me.
>>
>>>
>>>
>>> Best regards,
>>> Meino
>>>
>>>
>>>
>>>
>>
>>
>> --
>> Alan McKinnon
>> alan.mckinnon@×××××.com
>>
>>
>
> Hi Alan,
>
> thanks for digging into the depth of Gentoo! :)
>
> Why not to remove nvidia-settings as a separate package completely and
> make the choose whether to install it dependant from the
> "tools" flag of the drivers?
>
> I dont think, that there is someone out there, who wants
> nvidia-settings /without/ the drivers?!?
>
> Only my 2 EURcents... ;)


That makes sense. I don't know why the two ebuilds are set up that way,
and I haven't used nvidia myself for ages so have nothing in the past to
compare to. You'd have to ask the dev why the ebuilds are done that way


-- 
Alan McKinnon
alan.mckinnon@×××××.com