[Bug 1184804] New: move kernel out of /boot

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bugzilla_noreply＠suse.com

15 Apr 2021 15 Apr '21

12:42

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Bug ID: 1184804 Summary: move kernel out of /boot Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: lnussel@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: ---

One of the motivations for UsrMerge is to have all read-only parts of the operating system in /usr. The kernel packages install files in /boot though which isn't in line with that idea. Having the kernel installed via rpm in /boot also causes issues with eg snapshots if /boot is on a separate partition. So it make sense to store the rpm provided parts of the kernel packages where the rest of the OS is and manage /boot separately.

Looking at Fedora they install files like vmlinuz that used to be named /boot/$name-$kver as (/usr)/lib/modules/$kver/$name instead. They include /boot/$name-$kver as %ghost.

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bugzilla_noreply＠suse.com

15 Apr 15 Apr

12:42

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Ludwig Nussel lnussel@suse.com changed:

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bugzilla_noreply＠suse.com

12:45

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c1

--- Comment #1 from Ludwig Nussel lnussel@suse.com --- As first step I'll move the files to /lib/modules/$kver/$name. The %post script will install the symlinks in /boot for now, just like it always did for eg /boot/vmlinuz.

Before we can manage /boot outside of the kernel's %post suse-module-tools needs to be adjusted to search in /lib instead. Also, pesign-obs-integration needs adoptions.

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bugzilla_noreply＠suse.com

19 Apr 19 Apr

13:56

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c2

--- Comment #2 from Ludwig Nussel lnussel@suse.com --- Created attachment 848502 --> http://bugzilla.opensuse.org/attachment.cgi?id=848502&action=edit patch

Move kernel related read-only files from /boot to /lib/modules/%kernelrelease-%build_flavor

The file names in /boot are included as %ghost links. The %post script creates symlinks for the kernel sysctl.conf System.map in %boot for now. Some tools require adjustments before we can drop those links.

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bugzilla_noreply＠suse.com

13:56

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c3

Ludwig Nussel lnussel@suse.com changed:

--- Comment #3 from Ludwig Nussel lnussel@suse.com --- What's the process to submit/discuss the patch?

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bugzilla_noreply＠suse.com

14:50

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c4

Takashi Iwai tiwai@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(tiwai@suse.com) |

--- Comment #4 from Takashi Iwai tiwai@suse.com --- Let's get the consensus at first on opensuse-kernel ML. As far as I read the thread, it wasn't convincing enough.

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bugzilla_noreply＠suse.com

15:59

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c5

Ludwig Nussel lnussel@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Flags| |needinfo?

--- Comment #5 from Ludwig Nussel lnussel@suse.com --- Who needs to be convinced? The discussion seems to have been derailed by the usual subjects. Any relevant concerns I should pay attention to?

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bugzilla_noreply＠suse.com

16:20

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c6

Takashi Iwai tiwai@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo? |

--- Comment #6 from Takashi Iwai tiwai@suse.com --- Are you sure that majority of people agreed with this movement? Just ask there. There are lots of technical details and they must have been clarified before moving on.

Basically Bugzilla is the place for reporting a bug. We may report some enhancements, but the basic design issue should have been discussed somewhere else beforehand.

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bugzilla_noreply＠suse.com

17 Jun 17 Jun

15:05

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Ludwig Nussel lnussel@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Blocks| |1029961

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bugzilla_noreply＠suse.com

15:07

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c7

Ludwig Nussel lnussel@suse.com changed:

--- Comment #7 from Ludwig Nussel lnussel@suse.com --- For reference:

Fedora change: https://src.fedoraproject.org/rpms/kernel/c/958df3c

openSUSE kernel Mailinglist discussion: https://lists.opensuse.org/archives/list/kernel@lists.opensuse.org/thread/QW...

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bugzilla_noreply＠suse.com

15:15

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Takashi Iwai tiwai@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |msuchanek@suse.com

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bugzilla_noreply＠suse.com

17:14

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c8

--- Comment #8 from Michal Suchanek msuchanek@suse.com --- FTR the kernel packaging is shared between TW, Leap, SLE 15, and SLE 12 so that packaging fixes can be propagated across kernel versions.

Consequently this move should be optional - either by rpm/config.conf as are many other options or by distribution version.

Switching between the two is not difficult so long as a single rpm macro is defined at the start that controls the option throughout the spec file.

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bugzilla_noreply＠suse.com

25 Jun 25 Jun

13:43

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c9

--- Comment #9 from Ludwig Nussel lnussel@suse.com --- https://build.opensuse.org/request/show/901652 is in so the last revision of my patch should be ready to be merged: http://kerncvs.suse.de/gitweb/?p=kernel-source.git%3Ba=commit%3Bh=4f91341ea3...

It leaves the files where they are in older releases.

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bugzilla_noreply＠suse.com

15:40

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c10

--- Comment #10 from Michal Suchanek msuchanek@suse.com --- I think the changes to kernel-subpackage-spec are superfluous because the changes to kernel-subpackage-build already detect usrmerge. I did not get to building a TW kernel with this change reverted, though.

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bugzilla_noreply＠suse.com

17:47

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c11

--- Comment #11 from Ludwig Nussel lnussel@suse.com --- Depmod is called and it looks into /lib/modules. That's fine but requires the /lib -> usr/lib link as installed in the kernel-subpackage-spec

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bugzilla_noreply＠suse.com

28 Jun 28 Jun

11:16

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c12

--- Comment #12 from Ludwig Nussel lnussel@suse.com --- --- a/rpm/kernel-subpackage-build Alternative to the snippet in kernel-subpackage-spec would be something like

+++ b/rpm/kernel-subpackage-build @@ -36,7 +36,7 @@ echo $USR/lib/modules/$KREL/modules.* | tr ' ' '\n' >> modules.flist

tar -C / -cf- -T modules.flist | tar -C $RPM_BUILD_ROOT -xvf-

-moderr="$(/usr/sbin/depmod -b $RPM_BUILD_ROOT -e -F /boot/System.map-$KREL $KREL 2>&1 > /dev/null)" +moderr="$(/usr/sbin/depmod -b $RPM_BUILD_ROOT/usr -e -F /boot/System.map-$KREL $KREL 2>&1 > /dev/null)"

Do you prefer that?

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bugzilla_noreply＠suse.com

12:02

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c13

--- Comment #13 from Michal Suchanek msuchanek@suse.com --- Created attachment 850594 --> http://bugzilla.opensuse.org/attachment.cgi?id=850594&action=edit additional fixup

I tried with this additional patch.

Simply

moderr="$(/usr/sbin/depmod -b ${RPM_BUILD_ROOT}${USR} -e -F /boot/System.map-$KREL $KREL 2>&1 > /dev/null)"

instead of creating the symlink should also work

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bugzilla_noreply＠suse.com

12:36

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c15

--- Comment #15 from Ludwig Nussel lnussel@suse.com --- Looks like Bugzilla doesn't like emoji :-) Do you want me to update my patch or do you want to apply your fix on top?

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bugzilla_noreply＠suse.com

12:54

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c16

--- Comment #16 from Michal Suchanek msuchanek@suse.com --- it's better if you update it

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bugzilla_noreply＠suse.com

13:15

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c17

--- Comment #17 from Michal Suchanek msuchanek@suse.com --- I get an error on i586 TW now:

[ 95s] + /usr/lib/rpm/kernel/modflist kernel.flist modules modules.flist /lib/modules/5.13.0-rc7-3.g7895a48-default/modules.builtin [ 95s] Module usb-common built-in [ 95s] Module sd_mod built-in [ 95s] Module scsi_mod built-in [ 95s] Module virtio built-in [ 95s] Module xenblk missing [ 95s] Module xennet missing [ 95s] Module xen-.* missing [ 95s] Module autofs4 built-in [ 95s] Module ext4 built-in [ 95s] Module jbd2 built-in [ 95s] Module mbcache built-in [ 95s] Module asymmetric_keys built-in [ 95s] Module blake2b-256 missing [ 95s] Module sha256 missing [ 95s] Module xxhash64 missing [ 95s] Module crc32c missing [ 95s] + grep -v '^/usr/lib/modules' [ 95s] error: Bad exit status from /var/tmp/rpm-tmp.VDFIPe (%install)

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bugzilla_noreply＠suse.com

16:08

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c18

--- Comment #18 from Ludwig Nussel lnussel@suse.com --- wasn't the only issue :-( working on update

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bugzilla_noreply＠suse.com

29 Jun 29 Jun

08:58

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c19

Ludwig Nussel lnussel@suse.com changed:

--- Comment #19 from Ludwig Nussel lnussel@suse.com --- Created attachment 850632 --> http://bugzilla.opensuse.org/attachment.cgi?id=850632&action=edit patch with fixed kernel-default-base

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bugzilla_noreply＠suse.com

30 Jun 30 Jun

17:09

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c20

--- Comment #20 from Michal Suchanek msuchanek@suse.com --- Thanks for the updated patch. With the new subpackaging script the module directory becomes disowned:

--- kernel-old/kernel-default-base.x86_64/list 2021-06-30 18:25:46.281263400 +0200 +++ kernel-new/kernel-default-base.x86_64/list 2021-06-30 18:29:59.880841095 +0200 @@ -13,7 +13,6 @@ /etc/uefi /etc/uefi/certs /etc/uefi/certs/3559CCE2.crt -/lib/modules/@UNAME_R@-default /lib/modules/@UNAME_R@-default/kernel /lib/modules/@UNAME_R@-default/kernel/arch /lib/modules/@UNAME_R@-default/kernel/arch/x86

I think this is frowned upon.

However, previously /lib/modules was not owned by the kernel either. Is there something else that owns the directory, should the kernel own it, or is this already handled in a better way?

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bugzilla_noreply＠suse.com

17:20

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c21

--- Comment #21 from Michal Suchanek msuchanek@suse.com --- Nevermind, filesystem owns /lib/modules, and the kernel needs to own /lib/modules/$(uname -r)

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bugzilla_noreply＠suse.com

1 Jul 1 Jul

11:47

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c22

Ludwig Nussel lnussel@suse.com changed:

--- Comment #22 from Ludwig Nussel lnussel@suse.com --- Created attachment 850705 --> http://bugzilla.opensuse.org/attachment.cgi?id=850705&action=edit kernel-default-base owning modules dir

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bugzilla_noreply＠suse.com

21 Jul 21 Jul

11:11

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c44

--- Comment #44 from OBSbugzilla Bot bwiedemann+obsbugzillabot@suse.com --- This is an autogenerated message for OBS integration: This bug (1184804) was mentioned in https://build.opensuse.org/request/show/907471 15.2 / kernel-source

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bugzilla_noreply＠suse.com

2 Aug 2 Aug

14:40

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c59

--- Comment #59 from OBSbugzilla Bot bwiedemann+obsbugzillabot@suse.com --- This is an autogenerated message for OBS integration: This bug (1184804) was mentioned in https://build.opensuse.org/request/show/909804 Factory / pesign-obs-integration

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bugzilla_noreply＠suse.com

19 Aug 19 Aug

12:20

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c104

--- Comment #104 from OBSbugzilla Bot bwiedemann+obsbugzillabot@suse.com --- This is an autogenerated message for OBS integration: This bug (1184804) was mentioned in https://build.opensuse.org/request/show/913055 Factory / suse-module-tools

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bugzilla_noreply＠suse.com

2 Sep 2 Sep

06:27

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Felix Miata mrmazda@earthlink.net changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |mrmazda@earthlink.net

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bugzilla_noreply＠suse.com

6 Oct 6 Oct

00:41

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804 http://bugzilla.opensuse.org/show_bug.cgi?id=1184804#c113

--- Comment #113 from OBSbugzilla Bot bwiedemann+obsbugzillabot@suse.com --- This is an autogenerated message for OBS integration: This bug (1184804) was mentioned in https://build.opensuse.org/request/show/923361 15.2 / kernel-source

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bugzilla_noreply＠suse.com

24 May 24 May

14:56

New subject: [Bug 1184804] move kernel out of /boot

http://bugzilla.opensuse.org/show_bug.cgi?id=1184804

Ludwig Nussel lnussel@suse.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Depends on| |1199873

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