unable to boot, no fb

[jburns]

In the output of efibootmgr -u

[agustinfortnite2008]

[agustinfortnite2008]

[John R. Graham]

[agustinfortnite2008]

i did mess around a litle bit but it didn't boot, aparently the genkernel initramfs mounts the zfs pool not zfs-import and zfs-mount in openrc so maybe thats the problem?
i modified the .config generated from genkernel and built it manualy with dracut, and it didn't boot at all for no reason, literaly i only disabled some drivers for intel nvdia and stuff
dracut also adds the zfs modules so i have no clue

tbh i don't realy know, i posponed it because i am lazy an it was late, im going to try now and se what can i do

pd: if i do find out what causes this how can i change or add and entry for manual kernel config in zfs wiki ( or contact with someone to do so )
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[John R. Graham]

[agustinfortnite2008]

Quick update it appears that i was right, the genkernel initramfs mounts the zfs pool, now
The thing is it fails to recognice it as a file system and refuses to boot.
After that it directly nuked my install somehow. hyprland crashes because theres not a GPU
ls -l /dev/dri/by-path shows noting and portage gives a extremely verbose output???

I hace to do a reinstall or debug shit for day's what a mess....
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[NeddySeagoon]

agustinfortnite2008,

Debug it. Reinstalling will fix nothing. It gives your the opportunity to make a different mistake and robs you of the learning experience.

You appear to be using the AMDGPU kernel module, or if not, your VIDEO_CARDS says that you intended to.
How is that configured in your kernel?
Where is the required firmware?

There is a common 'no framebuffer' scenario here the kernel starts with EFI framebuffer but before there is any output to it, it switches to a broken DRM framebuffer, so that there is never any console output. Meanwhile, the system may boot properly ... just with a blank console.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

[agustinfortnite2008]

the install was alright before booting into the manual kernel with genkernel initramfs,
it failed, i rebooted into the previous preconfigured kernel and turns out that it doesn't work

the fb gives output i can emerge something if i want to so it's not that, it's kinda odd really
like why??

all the packages are there openrc doesn't give any warning that /dev for example is not mounted
so i have no clue
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[NeddySeagoon]

agustinfortnite2008,

Describe your boot process and where you see it go wrong.
As emerge works, install wgetpaste and use it to post your dmesg output.

[agustinfortnite2008]

Inspecting a little more i noticed that openrc says that some local filesystem failed to mount xd
In my defence i thought that it was a warning because of dirty bit in the filesystem

turns out the kernel modules are fucked now what?

dmesg:
https://bpa.st/B44q
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[NeddySeagoon]

agustinfortnite2008,

Your link is broken.

I suspect that you have mismatching 'kernel magic' on modules made for one .config, while the running kernel was made for another, so you get missing symbol errors on the same module both built in and built as a loadable module.

The fix is the same. Reinstall the kernel and its modules and rebuild the initrd if it contains kernel modules.
The built kernel is still in /usr/src somewhere, so the kernel should not need to be rebuilt.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

[agustinfortnite2008]

Thanks, now to thinkering again
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[NeddySeagoon]

agustinfortnite2008,

I would still like to see your dmesg.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

[John R. Graham]

[agustinfortnite2008]

using genkernel initramfs doesn't work, I've tried rebuilding the modules and no luck
on boot it gives:

[pingtoo]

[agustinfortnite2008]

that's strange considering that when building the initramfs genkernel did add the zfs cpio data
and ZFS=true is in /etc/genkernel.conf, is there some other alternative?
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[pingtoo]

[John R. Graham]

[agustinfortnite2008]

i did add the dozfs command line option, the thing is genkernel is using the generated .config instead of my custom .config
so now i am using

[John R. Graham]

Some points:

• You have to set "--oldconfig --clean" on the command line (or set these options in genkernel.conf; that's what I do) to make genkernel use the in-place configuration.
  
• I don't think a properly built initramfs from either dracut or genkernel is part of the problem space. I was able to use either to launch my genkernel-built kernel.
  
• The /etc/init.d/zfs* stuff isn't used to mount your root zpool. That's done in the initramfs before openrc is running.
  
• Finally, a pro tip: Once you get something interim working, make copies so that you'll always have something bootable to go back to. Something like

  Code:

  mount /boot cd /boot cp vmlinuz-6.6.67-gentoo-x86_64 vmlinuz-6.6.67-gentoo-x86_64.working cp System.map-6.6.67-gentoo-x86_64 System.map-6.6.67-gentoo-x86_64.working cp initramfs-6.6.67-gentoo-x86_64.img initramfs-6.6.67-gentoo-x86_64.working.img grub-mkconfig >/boot/grub/grub.cfg

  That'll make experimentation and refinement much more efficient.

- John
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[pingtoo]

agustinfortnite2008,

for genkernel generated initramfs, if you run into error, it should drop you in to rescue shell. Does it do that?

in the rescue shell, in /run/initramfs/ should have some log files. may be you can examine what's in there and hope there are something to help understand what is going on.

[pingtoo]

Cannot say for sure but feel like it is a bug in genkernel init script.

you may need to add gk.hw.use-modules_load=zfs in kernel command line argument.

I look genkernel initrc script, from the logic I read it seems will not automatically load zfs module. the genkernel(8) state that it is depend on UDEV to capabilities to load hardware modules, however zfs is add in to $HW_OPTS so I suspect in your case it did nothing when the command line argument was not used.

[agustinfortnite2008]

boys... i am happy to anounce that i fucking did it somehow jajajaja

finaly a debloated kernel with clang full lto cfi and zfs rootfs, it only costed 79 rebuilds like 8 reinstalls like 4 guides and a loooooott of free time
i expected it to fail to boot and to not give output like always but it worked? it even gives fb output before loading the amd kernel modules nasidbnaisdbfuayhfbausob

now im gonna list what did i do, config files and all

can someone test if this works from everyone just to be sure?
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