Can't uninstall an old gentoo-sources version [Solved]

[halcon]

Hi

I really wonder what is happening...

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ls -al /usr/src/
total 28
drwxr-xr-x  7 root root 4096 Mar  9 14:23 .
drwxr-xr-x 11 root root 4096 Dec 18  2024 ..
drwxr-xr-x  4 root root 4096 Mar  9 14:25 debug
lrwxrwxrwx  1 root root   19 Feb 20 00:32 linux -> linux-6.17.7-gentoo
drwxr-xr-x 27 root root 4096 Feb 20 00:41 linux-6.1.163-gentoo
drwxr-xr-x 27 root root 4096 Jun 30  2025 linux-6.14.4-gentoo
drwxr-xr-x 27 root root 4096 Jan  2 06:05 linux-6.15.9-gentoo
drwxr-xr-x 27 root root 4096 Mar  9 16:23 linux-6.17.7-gentoo

As you see, there is a soft link linux pointing to linux-6.17.7-gentoo

And now:

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emerge -pv --depclean =gentoo-sources-6.1.163

Calculating dependencies... done!
  sys-kernel/gentoo-sources-6.1.163 pulled in by:
    virtual/linux-sources-3-r8 requires sys-kernel/gentoo-sources

>>> No packages selected for removal by depclean
Packages installed:   1111
Packages in world:    128
Packages in system:   50
Required packages:    1111
Number to remove:     0

*Waaat?*

I tried to reinstall virtual/linux-sources-3-r8, it didn't help.

And I can't see nothing in its ebuild to trigger this behaviour.

I have always uninstalled old sources without any issues many-many times...

I don't have installed neither installkernel nor any other of these modern things. Only a manual configuration.

EDIT

And it becomes more and more interesting...

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/usr/src # emerge --deselect =gentoo-sources-6.1.163
>>> Removing sys-kernel/gentoo-sources:6.1.163 from "world" favorites file...
/usr/src # emerge -pv --depclean =gentoo-sources-6.1.163

Calculating dependencies... done!
  sys-kernel/gentoo-sources-6.1.163 pulled in by:
    virtual/linux-sources-3-r8 requires sys-kernel/gentoo-sources

>>> No packages selected for removal by depclean
Packages installed:   1111
Packages in world:    127
Packages in system:   50
Required packages:    1111
Number to remove:     0

/usr/src # cat /var/lib/portage/world | grep sources
sys-kernel/gentoo-sources:6.14.4
sys-kernel/gentoo-sources:6.15.9
sys-kernel/gentoo-sources:6.17.7

EDIT2

And with the slot notation (emerge -pv --depclean gentoo-sources:6.1.163) it does not work either.

[Hu]

What is the output of emerge --pretend --verbose --depclean sys-kernel/gentoo-sources? If I had to guess, the only installed gentoo-sources package is gentoo-sources-6.1.163, so removing that version would leave you without any gentoo-sources packages installed, which would violate the dependency requirements of =virtual/linux-sources-3-r8. The ls output shown does not prove that the other packages are installed. Many users litter their /usr/src/ directories, resulting in Portage leaving the directory behind when its corresponding package is removed.

[halcon]

What is the output of emerge --pretend --verbose --depclean sys-kernel/gentoo-sources? If I had to guess, the only installed gentoo-sources package is gentoo-sources-6.1.163, so removing that version would leave you without any gentoo-sources packages installed, which would violate the dependency requirements of =virtual/linux-sources-3-r8. The ls output shown does not prove that the other packages are installed. Many users litter their /usr/src/ directories, resulting in Portage leaving the directory behind when its corresponding package is removed.

Your guess is pretty logical.

But no, I handle gentoo-sources carefully.

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emerge --pretend --verbose --depclean sys-kernel/gentoo-sources

Calculating dependencies... done!
  sys-kernel/gentoo-sources-6.1.163 pulled in by:
    virtual/linux-sources-3-r8 requires sys-kernel/gentoo-sources

>>> Calculating removal order...

>>> These are the packages that would be unmerged:

 sys-kernel/gentoo-sources
    selected: 6.14.4 6.15.9 6.17.7 
   protected: none 
     omitted: 6.1.163 

All selected packages: =sys-kernel/gentoo-sources-6.14.4 =sys-kernel/gentoo-sources-6.17.7 =sys-kernel/gentoo-sources-6.15.9

>>> 'Selected' packages are slated for removal.
>>> 'Protected' and 'omitted' packages will not be removed.

Packages installed:   1111
Packages in world:    127
Packages in system:   50
Required packages:    1108
Number to remove:     3

EDIT

After making this emerge call there is more information. Portage loves 6.1.163 more than other versions I have only one guess: maybe because it was installed the last.

EDIT2

The second guess: because it is stable and all the others are ~.

[Hu]

All the versions that are scheduled for removal from your system are already removed in gentoo.git. The version to be kept on your system is available in gentoo.git. As I read the manual page for emerge, it might be the case that depclean can only satisfy the dependencies of linux-sources from packages that are still available to reinstall, which would mean it can only consider 6.1.163 as acceptable. This is speculation on my part, since the manual does not explicitly state this is or is not the case:

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Depclean works by creating  the
              full  dependency  tree from the @world set, then comparing it to
              installed packages.

If you install some other, still in-tree gentoo-sources, does depclean then allow removing 6.1.163?

[halcon]

All the versions that are scheduled for removal from your system are already removed in gentoo.git

Aaa, maybe, maybe...

[halcon]

Yes, it works now.

Thank you Hu!