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crazyzed
Apprentice
Joined: 26 Mar 2004
Posts: 154
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 Posted: Thu Jan 27, 2005 7:57 pm Post subject: VFS: Cannot open root device |
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I can't boot my new 2.6.9-gentoo-r14 kernel, I did a "make oldconfig" from my 2.6.3-gentoo-r2 .config and then edited it with xconfig to check it out! My 2.6.3 kernel worked just fine btw!
This is the error message:
| Code: | VFS: Cannot open root device "hde3" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panice - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) |
I have a MSI K8T Neo FIS 2 R mobo with an amd64 3200+ processor and running GENTOO 64bit
On my VIA VT8237 bus there's 2 SATA drives, one is used for Gentoo and the other is used for downloaded files and other stuff.
On the drive where gentoo is installed I have 3 partitions:
hde1 /boot ext2
hde3 / ext3
hde2 swap
On the other drive I use FAT32! This drive is /dev/hdg
(Isn't it strange that my drives are beeing recognized as hde and hdg? Everyone else seems to have their SATA drives on sda and so on????)
This is my grub.conf
| Code: | default 0
timeout 30
title=Gentoo Linux 2.6.9-gentoo-r14
root (hd0,0)
kernel /kernel-2.6.9-gentoo-r14 root=/dev/hde3 |
I have tried setting the root=/dev/hde3 option, and tried changing hde3 to other devices but with the same result!
Maybe if there is a way to PAUSE during the boot, then I could see what is going on when he searches my VIA bus???? IS THERE a way to pause?
Any ideas why it doesn't work? Since it works with the same setup with the old kernel? |
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Gherald
Veteran
Joined: 23 Aug 2004
Posts: 1399
Location: CLUAConsole
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| Posted: Thu Jan 27, 2005 8:43 pm Post subject: Re: VFS: Cannot open root device |
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| crazyzed wrote: | | Maybe if there is a way to PAUSE during the boot, then I could see what is going on when he searches my VIA bus???? IS THERE a way to pause? |
I wish I knew of one...
| Quote: | | Any ideas why it doesn't work? Since it works with the same setup with the old kernel? |
So root=/dev/sda3 doesn't work with the new kernel? hmm.
Why not post the output of these commands:
| Code: | fdisk -l
grep -i sata /usr/src/linux/.config |
just so we have something hard to go on. |
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dsd
Developer
Joined: 30 Mar 2003
Posts: 2162
Location: nr London
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| Posted: Thu Jan 27, 2005 9:32 pm Post subject: |
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you generally shouldnt use "make oldconfig" if making entire version jumps, e.g. going from 2.6.9 to 2.6.10. you definately shouldnt use it for such a big jump- too much has changed.
you want to enable the libata SATA drivers for your SATA controller (found under scsi section), then sda1 will become the first partition on your first sata disk.
_________________
http://dev.gentoo.org/~dsd |
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