kernel panic on first boot

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

hi, im right now trying to install gentoo out of a installation of suse 9.2.
so i followed the install guide (like always), created a reiser partition, took a stage 3 tarball, made a gentoo-dev-sources-2.6.10-r4 kernel, selected reiser,devfs (on boot),... my hardware. i set up the kernel to be booted by suses grub (with root=/dev/hda5 appended).
now when i try to boot, my kernel panics with a message (maybe differs in some words):

kernel panic: VFS -- not sync: cannot read root fs on block (3,5)

my root fs is ok, i can mount it in the suse installation, also it checks as ok, there are no files missing. im pretty desperate atm.

matador · Posted: Thu Jan 13, 2005 9:11 am Post subject:

Are all the FS added in the kernel??
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gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

yes, i checked if reiser is added.

matador · Posted: Thu Jan 13, 2005 9:26 am Post subject:

As I see it your kernel can't find the root partition, so that indicates a grub erreor. Where's your /boot/initrd pointing? Post your grub config file.
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gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

its a handmade kernel, i chose the same options as evry time, the kernel image should directly mount root and run the init script. this means i got no initrd. im sure its no grub error, since it loads lots of drivers before giving me this message (usb etc.)

edit: the error message doesnt say "block(3,5)" but "unkown-block(3,5)"

matador · Posted: Thu Jan 13, 2005 9:34 am Post subject:

Similar to this?

http://www.ussg.iu.edu/hypermail/linux/kernel/0408.1/1530.html
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Enlight · Posted: Thu Jan 13, 2005 9:36 am Post subject:

Don't u have a sata hard disk?

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

only the last line, i dont get the errors before, since i added a "root=" line.
ill try to enable nfs now.

edit: CONFIG_NFS_V4 is only nfs client support. nfs and nfs server is already added (i took the default .config and didnt remove anything, only added my HW)

bet1m · Posted: Thu Jan 13, 2005 9:39 am Post subject:

use lilo, lilo rocks.

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Enlight · Posted: Thu Jan 13, 2005 9:43 am Post subject:

GRub rocks as well as lilo, don't think it's the pb, could you please post a fdisk - l result?

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

Enlight · Posted: Thu Jan 13, 2005 9:46 am Post subject:

did nfs support change anything?

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

Enlight · Posted: Thu Jan 13, 2005 9:50 am Post subject:

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

Enlight · Posted: Thu Jan 13, 2005 9:59 am Post subject:

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

arrrrgggghhhh, all because of suse grub. this cannot be! it was exactly configured as the gentoo-grub on my other computer. im getting mad! at least it is working now.

Enlight · Posted: Thu Jan 13, 2005 10:09 am Post subject:

because of Grub???

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

Enlight · Posted: Thu Jan 13, 2005 10:25 am Post subject:

But you've add a partition support in your kernel? no?

gurke · Apprentice Joined: 10 Jul 2003 Posts: 260

for others that may experiance the same problems when upgrading from suse 9.2.
the problem has to do with yast, which is editing the grub cofig in a way, that it always starts the suse kernel, even if you set up your gentoo kernel in the right way.
fix #1 use a bootmanager set up by your hand and disable management by suse
fix #2 use lilo managed by suse
fix #3 use lilo managed by suse to setup your config then do "convert config" to use grub managed by suse.

edit: