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Old 07-11-2019, 02:13 PM   #1
luzion
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GRUB2 Kernel Panic Rootfs failing to boot: VFS: unknown-block (0,0)


Newbie Gentoo user and on reboot it gives this error.
It is a dual boot machine with the BIOS/MBR partition table:
Code:
/dev/sda1 bootable  ntfs 100M windows ntfs
/dev/sda2 40G windows ntfs 
/dev/sda3 / noatime ext4 
/dev/sdb2 swap 20G
/dev/sdb3 /home noatime ext4

Last edited by luzion; Yesterday at 08:07 PM.
 
Old 07-11-2019, 08:52 PM   #2
luzion
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GRUB2 Kernel Panic Rootfs failing to boot: VFS: unknown-block (0,0)

---

Last edited by luzion; 07-12-2019 at 01:32 AM. Reason: edit
 
Old 07-11-2019, 09:12 PM   #3
luzion
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---

Last edited by luzion; Yesterday at 08:07 PM. Reason: edit
 
Old 07-11-2019, 09:17 PM   #4
luzion
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I haven't had a problem before with using the NTFS windows boot partition with linux, but it could be that Gentoo has a problem with it.
GRUB even has msdos (ntfs) modules built in. It can't be the filesystem.

The problem is the kernel panic, failing to boot after selecting the GRUB Gentoo kernel. It gives the unable to sync VFS unknown-block(0,0) message and I have to hard shutdown. I googled the message and so far I've tried to verify the grub.cfg is correct, and the HDD controller drivers are loaded.

Last edited by luzion; 07-16-2019 at 10:01 PM. Reason: adding info here
 
Old 07-11-2019, 10:41 PM   #5
RickDeckard
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Distribution: Arch Hardened, Ubuntu 18.04, Fedora 30
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Well, for starters I'd imagine you haven't even begun to clearly specify the problem you're having here. What is going on? Is your system failing to boot? Are you hanging? What messages are you receiving? Your partition layout is not an error message, it's just a listing of disks. What is the operation you expect or don't expect? At what stage of reboot is it happening?

Secondly -- I'll take a wild guess and say this is your problem here -- NTFS (the default filesystem in Microsoft Windows) should not even be remotely close to selectable for a Linux partitioning scheme, let alone for /boot which is where your kernel resides. You should be using ext4 or heck, even ext2.

Last edited by RickDeckard; 07-11-2019 at 11:21 PM.
 
Old 07-12-2019, 05:53 AM   #6
colorpurple21859
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you say your boot partition is /dev/sda1, but in grub gentoo menu entry you have
Code:
set=(hd0,3)
linux /boot/vmlinuz root=/dev/sda3
not
Code:
set=(hd0,1)
/vmlinuz root=/dev/sda3
or your missing some obscure driver you system needs loaded.

Last edited by colorpurple21859; 07-12-2019 at 05:57 AM.
 
  


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