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roamingnomad
n00b
Joined: 15 Mar 2004
Posts: 5
Location: /USA/CA/SD
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 Posted: Mon Sep 06, 2004 3:41 am Post subject: Kernel unable to mount root fs |
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When I try to boot with my new kernel, I get:
| Code: | VFS: Cannot open root device "hda7" or unknown-block(3,7)
Please append a correct "root=" option
Kernel panic: VFS: Unable to mount root fs on unknown-block(3,7) |
I've googled, and it seems that everybody else with similar problems just forgot to compile a certain module. That might be the case, but I don't think so... I've checked my .config over and over again... but just in case, I put my .config file online.
I don't think it's that, though-- because of my menu.lst:
| Code: | default 0
timeout 30
title=Gentoo Linux
root (hd0,4)
kernel (hd0,4)/linux-2.4.26-gentoo-r8 root=/dev/hda7
title=Gentoo Linux (2.6 modular kernel)
root (hd0,4)
kernel (hd0,4)/bzImage-2.6.8-gentoo-r3 root=/dev/hda7
title=Windows ME
rootnoverify (hd0,0)
makeactive
chainloader +1 |
The old kernel boots fine, but they point to the same place,so I doubt it's a problem with grub.
Any suggestions? |
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HydroSan
l33t
Joined: 04 Mar 2004
Posts: 764
Location: The Kremlin (aka Canada)
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| Posted: Mon Sep 06, 2004 3:51 am Post subject: |
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Do:
And make sure your Filesystems and IDE drivers are compiled properly.
That SHOULD do it.
_________________
I was a Gangster for Capitalism, by Major General Smedley Butler.
Server status: Currently down, being replaced with fresh install - 20% completed. |
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DarrenM
l33t
Joined: 25 Apr 2002
Posts: 653
Location: Sydney, Australia
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| Posted: Mon Sep 06, 2004 4:55 am Post subject: |
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Try searching this forum as well  |
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Paradigmbreak
n00b
Joined: 02 Sep 2003
Posts: 64
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| Posted: Tue Sep 07, 2004 10:32 pm Post subject: |
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| Are you using a SATA drive as hda, perchance? |
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chunderbunny
Veteran
Joined: 31 May 2004
Posts: 1281
Location: 51°24'27" N, 0°57'15" W
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| Posted: Tue Sep 07, 2004 11:53 pm Post subject: |
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| I guess it's possible you turned off devfs support in the kernel (it's marked as deorecated I think) but didn't install udev to replace it. |
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galenjr
Tux's lil' helper
Joined: 02 Aug 2004
Posts: 88
Location: Connecticut, USA
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| Posted: Thu Sep 09, 2004 10:26 pm Post subject: |
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If you're using SATA drives you gotta compile the corresponding SATA controller type into your kernel. Thsi is from your config...
| Code: | CONFIG_SCSI_ATA_PIIX=y
CONFIG_SCSI_SATA_SX4=m
CONFIG_SCSI_SATA_SIS=m |
i think thats default. If you use SATA look in your motherboards specs and get the SATA controller type and enable it. Disable the rest. |
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Kernel & Hardware
