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Adrien.D
Apprentice
Joined: 18 Jan 2015
Posts: 160
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 Posted: Tue Nov 26, 2024 5:31 pm Post subject: Install Gentoo with systemd : kernel won't boot |
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Hello,
I installed lots of Gentoo, but always with OpenRC, just 1 or 2 times with systemd.
Now we need to use "installkernel" tool to install kernel.
When i build my kernel, the system won't boot.
When i use the prebuilt kernel, the system boot.
I tried to use the config file of prebuilt kernel (i copied the config) and built with SAME config, the system won't boot.
I think the problem isn't the kernel, and not the configuration but other thing.
The system try to boot and blocked on "A start job is running for /dev/dis..db5550d452e46 (4min 20s / no limit)
After a long time, i enter to dracut shell.
I tried to use the "debian installkernel" ( https://wiki.gentoo.org/wiki/Installkernel#Debian.27s_installkernel so installkernel without systemd flag) but i can't have a system booted.
When i reboot on the prebuilt kernel, i don't have log on my root partition (to try to diagnose the issue)
The only thing i have to find the issue is this boot screen blocked to this state :
https://www.cjoint.com/doc/24_11/NKArE74Cj3O_gentoo-systemd.png
Can you help me ?
My config (which works on OpneRC) : https://pastebin.com/F7ZDxheP
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Desktop : MSI Gaming Pro X470 - AMD Ryzen 5 2600X - RX 560 - OpenRC GNOME - gentoo-sources-6.1 LTS
Server : Acer Barebone - Intel i3-8100T - OpenRC CLI - gentoo-sources-5.4 LTS
VMs : A lot of VMS to practice Gentoo of course  (proxmox, virtualbox) |
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nox23
n00b
Joined: 15 Jul 2012
Posts: 40
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| Posted: Tue Nov 26, 2024 6:29 pm Post subject: |
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Do you have lvm and/or luks in your setup ?
Dracut can't find your root device.
Do you use dracut to boot openrc gentoo ?
It seems to be dracut related ?
Some infos about the dracut config can be helpful. |
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Adrien.D
Apprentice
Joined: 18 Jan 2015
Posts: 160
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| Posted: Tue Nov 26, 2024 6:45 pm Post subject: |
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Do you have lvm and/or luks in your setup ?
=> No, i usually use LVM, i tested in a VM with BIOS and only 1 / ext4 partition to exclude LVM issue
Dracut can't find your root device.
=> Looks like true. It's not a kernel panic, so i think the problem isn't the kernel, but i will try to search
Do you use dracut to boot openrc gentoo ?
=> Yes same installation : install kernel + grub (2) + dracut (generated by installkernel or manually)
It seems to be dracut related ?
=> Try to find
Some infos about the dracut config can be helpful.
=> No additionnal config for dracut, all set by default
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Desktop : MSI Gaming Pro X470 - AMD Ryzen 5 2600X - RX 560 - OpenRC GNOME - gentoo-sources-6.1 LTS
Server : Acer Barebone - Intel i3-8100T - OpenRC CLI - gentoo-sources-5.4 LTS
VMs : A lot of VMS to practice Gentoo of course (proxmox, virtualbox) |
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Adrien.D
Apprentice
Joined: 18 Jan 2015
Posts: 160
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| Posted: Tue Nov 26, 2024 8:24 pm Post subject: |
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I found this thread : https://forums.gentoo.org/viewtopic-p-8783321.html#8783321
Switching from SCSI to SATA works well.
I think dracut is the problem, i will test some other things with SCSI support in dracut !
For the moment SATA works well
_________________
Desktop : MSI Gaming Pro X470 - AMD Ryzen 5 2600X - RX 560 - OpenRC GNOME - gentoo-sources-6.1 LTS
Server : Acer Barebone - Intel i3-8100T - OpenRC CLI - gentoo-sources-5.4 LTS
VMs : A lot of VMS to practice Gentoo of course (proxmox, virtualbox) |
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keekkenen
n00b
Joined: 05 Oct 2024
Posts: 13
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| Posted: Tue Nov 26, 2024 9:29 pm Post subject: Re: Install Gentoo with systemd : kernel won't boot |
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| Adrien.D wrote: |
Now we need to use "installkernel" tool to install kernel.
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I'm not sure about it.
I used Gentoo previous times in the before UEFI era. It was simple.
EFI, uki, dracut, installkernel..I tried to use wiki, but couldn't get the kernel in efi partition or efi boot record for it.
It's too complicated for me.
I wrote a simple script which makes three simple actions - building the kernel, coping it to efi partition with config and creating an efi boot record for it. It's easy and it works for me.
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7950x3d / x670e MSI Tomagawk / Sapphire RX 7800XT 16Gb / G.Skill 64Gb 5600 / A-Data Legend 960 2Tb (x2), A-Data SX8200PNP 256Gb |
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Nowa
Developer
Joined: 25 Jun 2014
Posts: 444
Location: Nijmegen
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| Posted: Mon Dec 02, 2024 2:08 pm Post subject: Re: Install Gentoo with systemd : kernel won't boot |
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| Adrien.D wrote: |
Now we need to use "installkernel" tool to install kernel.
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sys-kernel/installkernel is not required, though you probably were using it before as well without realizing it. The kernel's 'make install' calls /sbin/installkernel if it is found, otherwise it copies the built kernel to /boot/vmlinuz.
| Quote: | When i build my kernel, the system won't boot.
When i use the prebuilt kernel, the system boot. |
I strongly suspect the issue is the kernel configuration, not the installation. But we'll need to see the installation logs to be sure.
| keekkenen wrote: |
EFI, uki, dracut, installkernel..I tried to use wiki, but couldn't get the kernel in efi partition or efi boot record for it.
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| Code: | | USE=efistub emerge -1 -j1 installkernel && mkdir -p ${ESP}/EFI/Gentoo && make install |
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OS: Gentoo 6.10.12-gentoo-dist, ~amd64, 23.0/desktop/plasma/systemd
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Installing Gentoo
