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[Solved]Black screen when booting

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frozenpenguin
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[Solved]Black screen when booting

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Post by frozenpenguin » Tue Feb 06, 2024 4:44 am

I am booting using an EFI Stub and getting a black screen. I have already searched the internet and tried its various methods in an attempt to solve this issue yet the problem still persists. Any help would be greatly appreciated.
fstab
config
lspci
Last edited by frozenpenguin on Thu Feb 15, 2024 12:50 pm, edited 1 time in total.
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NeddySeagoon
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Post by NeddySeagoon » Tue Feb 06, 2024 9:46 am

frozenpenguin,

Welcome to Gentoo.

Your lspci is missing. There are two copies of fstab.
Please provide

Code: Select all

lspci -nnk
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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pietinger
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Post by pietinger » Tue Feb 06, 2024 10:05 am

frozenpenguin,

I guess it is your missing Framebuffer:

Code: Select all

# CONFIG_FB_VESA is not set
# CONFIG_FB_EFI is not set
See more here: https://wiki.gentoo.org/wiki/User:Pieti ... Must_Haves
https://wiki.gentoo.org/wiki/User:Pietinger --> New at Gentoo
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NeddySeagoon
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Post by NeddySeagoon » Tue Feb 06, 2024 10:14 am

pietinger,

Its more than that. i915=Y should give a framebuffer console if it starts without firmware.

EFI/VESA wlll only be used until the DRM framebuffer takes over. Its quite possible that will be before anything is sent to the console.
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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frozenpenguin
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Post by frozenpenguin » Wed Feb 07, 2024 2:34 pm

The reason for the black screen seems to be as pietinger said: CONFIG_FB_VESA and CONFIG_FB_EFI not being set. In the installed os however, iwlwifi doesn't seem to show up under the network controller when using lspci from the installed os yet show up under it when the command is run using the live cd. Meaning that I don't have internet even though the option is modulated in the kernel. The filesystem of the installed os also seems to be read only for some reason. Help would once again be appreciated.
lspci -nnk
new config
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grknight
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Post by grknight » Wed Feb 07, 2024 2:43 pm

frozenpenguin wrote:The filesystem of the installed os also seems to be read only for some reason. Help would once again be appreciated.
This is often a result of not configuring or a typo in /etc/fstab. Though there may be other reasons, a bad fstab is more likely on a new install.

You can force read-write by doing: mount -o remount,rw /
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frozenpenguin
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Post by frozenpenguin » Sun Feb 11, 2024 2:44 pm

when I used
mount -o remount,rw /
I get

Code: Select all

mount: /: mount point not mounted or bad option.
dmesg(1) may have more information after failed mount system call
[/code][/quote]
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NeddySeagoon
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Post by NeddySeagoon » Sun Feb 11, 2024 3:33 pm

frozenpenguin,

Code: Select all

dmesg(1) may have more information after failed mount system call
What is at the end of dmesg?
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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frozenpenguin
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Post by frozenpenguin » Mon Feb 12, 2024 1:43 am

The end of dmsg is:

Code: Select all

xfs: unknown parameter 'default'
Also I get this when booting:

Code: Select all

Remounting root filesystem read/write ...   
mount: /: mount point not mounted or bad option
dmesg(1) may have more more information after failed mount system call
Root filesystem could not be mounted read/write
Remounting filesystems
mount: /: mount point not mounted or bad option
dmesg(1) may have more more information after failed mount system call
default dmesg after booting without any entering any mount commands

Code: Select all

[1.014161] XFS (nvme0n1p6): Mounting V5 Filesystem 2a859d7c-a64c-4799-889e-5d06a7303267
[1.021562] XFS (nvme0n1p6): Ending clean mount
[2.867054] xfs: Unknown parameter 'default'
[2.878253] xfs: Unknown parameter 'default'
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Hu
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Post by Hu » Mon Feb 12, 2024 1:49 am

default is not a valid mount option in /etc/fstab. Did you mean defaults?
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figueroa
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Post by figueroa » Mon Feb 12, 2024 4:11 am

pietinger wrote: ...
See more here: https://wiki.gentoo.org/wiki/User:Pieti ... Must_Haves
I had not encountered this series of yours until seeing this post. After reading quickly through it and the base article at https://wiki.gentoo.org/wiki/User:Pieti ... figuration I can see that your efforts will help me further refine my own kernel.

Thanks for your work.
Andy Figueroa
hp pavilion hpe h8-1260t/2AB5; spinning rust x3
i7-2600 @ 3.40GHz; 16 gb; Radeon HD 7570
amd64/23.0/split-usr/desktop (stable), OpenRC, -systemd -pulseaudio -uefi -wayland
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pietinger
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Post by pietinger » Mon Feb 12, 2024 1:30 pm

figueroa wrote:Thanks for your work.
You are very Welcome ... and thank you for your kind words. :D
https://wiki.gentoo.org/wiki/User:Pietinger --> New at Gentoo
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frozenpenguin
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Post by frozenpenguin » Thu Feb 15, 2024 12:49 pm

After fixing the typo in fstab, the system now boots correctly. Thank you all for your assistance
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grknight
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Post by grknight » Thu Feb 15, 2024 1:47 pm

FWIW "defaults,noatime" is the same as "noatime" because "defaults" is a column placeholder when there is nothing else to put there.
Having "defaults" is a noop so it will neither hurt nor help if there is another option next to it.
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