[Bug 1877088] Re: [UBUNTU 20.04] installkernel script does not symlink /boot/initrd.img which is required with the default zipl.conf
Dimitri John Ledkov
1877088 at bugs.launchpad.net
Thu Jun 25 15:41:54 UTC 2020
Eoan and later d-i, new installer, curtin do not install /etc/kernel-img.conf.
Upgraded systems keep having it (ie. installed with bionic or xenial, and upgraded).
Can you please let me know if _removing_ /etc/kernel-img.conf breaks $
sudo make install, and if adding /etc/kernel-img.conf back fixes $ sudo
make install?
Cause the expectation is that `/etc/kernel-img.conf` should not be
there, yet everything should still work correctly.
I think somewhere something is reading "link_in_boot=yes" and was not
updated with the new implicit default to always assume that on recent
ubuntu.
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https://bugs.launchpad.net/bugs/1877088
Title:
[UBUNTU 20.04] installkernel script does not symlink /boot/initrd.img
which is required with the default zipl.conf
Status in Ubuntu on IBM z Systems:
Triaged
Status in debianutils package in Ubuntu:
New
Status in linux-base package in Ubuntu:
New
Bug description:
When testing development kernels I usually rely on the installkernel
script either through the "make install" target of the Kernel source
or manually. This used to work great on Ubuntu on Z.
On Ubuntu 20.04 (freshly installed up to date) this fails however because
/boot/initrd.img is not updated (/boot/vmlinuz is) and thus zipl installs the
wrong kernel/initrd combination rendering the system unbootable.
(with the correct modules already copied to /usr/lib/modules/5.7.0-rc4-06500-gb67ea026badd/)
# sudo installkernel 5.7.0-rc4-06500-gb67ea026badd bzImage System.map /boot
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 5.7.0-rc4-06500-gb67ea026badd /boot/vmlinuz-5.7.0-rc4-06500-gb67ea026badd
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 5.7.0-rc4-06500-gb67ea026badd /boot/vmlinuz-5.7.0-rc4-06500-gb67ea026badd
update-initramfs: Generating /boot/initrd.img-5.7.0-rc4-06500-gb67ea026badd
Using config file '/etc/zipl.conf'
Building bootmap in '/boot'
Building menu 'menu'
Adding #1: IPL section 'ubuntu' (default)
Adding #2: IPL section 'old'
Preparing boot device: dasda (3844).
Done.
run-parts: executing /etc/kernel/postinst.d/zz-zipl 5.7.0-rc4-06500-gb67ea026badd /boot/vmlinuz-5.7.0-rc4-06500-gb67ea026badd
Using config file '/etc/zipl.conf'
Building bootmap in '/boot'
Building menu 'menu'
Adding #1: IPL section 'ubuntu' (default)
Adding #2: IPL section 'old'
Preparing boot device: dasda (3844).
Done.
# ls -l /boot
total 178364
-rw------- 1 root root 135168 May 6 11:52 bootmap
-rw-r--r-- 1 root root 90471 Apr 29 15:34 config-5.4.0-29-generic
lrwxrwxrwx 1 root root 27 May 6 11:40 initrd.img -> initrd.img-5.4.0-29-generic <====== should point to new version
-rw-r--r-- 1 root root 19663996 May 6 11:42 initrd.img-5.4.0-29-generic
-rw-r--r-- 1 root root 125339494 May 6 11:52 initrd.img-5.7.0-rc4-06500-gb67ea026badd
lrwxrwxrwx 1 root root 27 May 6 11:40 initrd.img.old -> initrd.img-5.4.0-29-generic
-rw------- 1 root root 3087920 Apr 29 15:34 System.map-5.4.0-29-generic
-rw-r--r-- 1 root root 4031691 May 6 11:52 System.map-5.7.0-rc4-06500-gb67ea026badd
-rw-r--r-- 1 root root 4031691 May 6 11:49 System.map-5.7.0-rc4-06500-gb67ea026badd.old
lrwxrwxrwx 1 root root 37 May 6 11:52 vmlinuz -> vmlinuz-5.7.0-rc4-06500-gb67ea026badd
-rw------- 1 root root 8086072 Apr 29 15:54 vmlinuz-5.4.0-29-generic
-rw-r--r-- 1 root root 9080832 May 6 11:52 vmlinuz-5.7.0-rc4-06500-gb67ea026badd
-rw-r--r-- 1 root root 9080832 May 6 11:49 vmlinuz-5.7.0-rc4-06500-gb67ea026badd.old
lrwxrwxrwx 1 root root 41 May 6 11:52 vmlinuz.old -> vmlinuz-5.7.0-rc4-06500-gb67ea026badd.old
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