[gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[Greg Morin]

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Good day,

I've installed (several times) on a ThinkPad T-40, trying both manual kernel
config and genkernel. I followed the online manual explicitly (I think). The
machine is currently loaded with the manual config. Either way, the results
are similar.

Grub shows the two boot options, then begins loading the OS.

The machine begins to boot, starts loading modules, then kernel panics:
   VFS:Cannot open root device "hda3" or unknown-block(0,0)
   Please append a correct "root=" boot option
   Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)

There is a single fixed disk:
   Device        Boot     Size    System          Filesystem        Mount
point
   =======   ====    ===== =========   =========      =========
   /dev/hda1       *        32M    Linux             ext2
/boot
   /dev/hda2                3G      Linux swap     none                 none
   /dev/hda3                ~71G  Linux              ext3                  /

I am able to mount and use these partitions after booting from CD.
/etc/fstab (/mnt/gentoo/etc/fstab when booted from disk) looks good.

Filesystems ext2 and ext3 are compiled into the kernel.

Grub details:
   device.map
        (hd0)   /dev/hda
   grub.conf
        default   0
        timeout   5
        splashimage=(hd0,0)/boot/grub/spash.xpm.gz

        title=Gentoo Linux 2.6.17-r8
        root (hd0,0)
        kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3

        title=Gentoo Linux 2.6.17-r8 (rescue)
        root(hd0,0)
        kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3 init=/bin/bb

   I used grub-install /dev/hda with no errors. I've played around with the
"root=" entry, but to no avail - not sure I'm understanding this one...

The kernel image appears to be valid, with no typos in filename/grub
entries.

Any ideas? Seems that the kernel begins to load, but can't mount the root
filesystem?

Thank-you for any pointers.


-- 

Gpm
The Morins of Plantsville

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Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[Andrew Gaffney]

Greg Morin wrote:
> Good day,
> 
> I've installed (several times) on a ThinkPad T-40, trying both manual 
> kernel config and genkernel. I followed the online manual explicitly (I 
> think). The machine is currently loaded with the manual config. Either 
> way, the results are similar.

You're on the wrong list. This list is for development discussion for the GLI 
project. Ask on the gentoo-user list.

-- 
Andrew Gaffney                            http://dev.gentoo.org/~agaffney/
Gentoo Linux Developer                                   Installer Project
Today's lesson in political correctness:      "Go asphyxiate on a phallus"
-- 
gentoo-installer@gentoo.org mailing list

Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[Greg Morin]

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Willdo.

On 11/3/06, Andrew Gaffney <agaffney@gentoo.org> wrote:
>
> Greg Morin wrote:
> > Good day,
> >
> > I've installed (several times) on a ThinkPad T-40, trying both manual
> > kernel config and genkernel. I followed the online manual explicitly (I
> > think). The machine is currently loaded with the manual config. Either
> > way, the results are similar.
>
> You're on the wrong list. This list is for development discussion for the
> GLI
> project. Ask on the gentoo-user list.
>
> --
> Andrew Gaffney                            http://dev.gentoo.org/~agaffney/
> Gentoo Linux Developer                                   Installer Project
> Today's lesson in political correctness:      "Go asphyxiate on a phallus"
> --
> gentoo-installer@gentoo.org mailing list
>
>


-- 

Gpm
The Morins of Plantsville

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Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[Ladislav Laska]

Andrew is right, this is wrong list. Anyway, you should check that
modules for your IDE controller are loaded in initrd (or compiled into
kernel).

You can do this by selecting the second choice in grub (rescue). It
will boot into busybox (a very basic shell) and you should be (un)able
to mount filesystems. I don't know what exactly will busybox do for
your, but maybe you will need to create device node by hand.

For more informations, please write to gentoo-user list, or contact me
personally (but NOT this list, unless this is gentoo-installer's
problem).

On 11/3/06, Greg Morin <gpmorin@gmail.com> wrote:
> Good day,
>
>  I've installed (several times) on a ThinkPad T-40, trying both manual
> kernel config and genkernel. I followed the online manual explicitly (I
> think). The machine is currently loaded with the manual config. Either way,
> the results are similar.
>
>  Grub shows the two boot options, then begins loading the OS.
>
>  The machine begins to boot, starts loading modules, then kernel panics:
>     VFS:Cannot open root device "hda3" or unknown-block(0,0)
>     Please append a correct "root=" boot option
>     Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
>
>  There is a single fixed disk:
>     Device        Boot     Size    System          Filesystem        Mount
> point
>     =======   ====    ===== =========   =========      =========
>     /dev/hda1       *        32M    Linux             ext2
> /boot
>     /dev/hda2                3G      Linux swap     none
> none
>     /dev/hda3                ~71G  Linux              ext3
> /
>
>  I am able to mount and use these partitions after booting from CD.
> /etc/fstab (/mnt/gentoo/etc/fstab when booted from disk) looks good.
>
>  Filesystems ext2 and ext3 are compiled into the kernel.
>
>  Grub details:
>     device.map
>          (hd0)   /dev/hda
>     grub.conf
>          default   0
>          timeout   5
>          splashimage=(hd0,0)/boot/grub/spash.xpm.gz
>
>          title=Gentoo Linux 2.6.17-r8
>          root (hd0,0)
>          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3
>
>          title=Gentoo Linux 2.6.17-r8 (rescue)
>          root(hd0,0)
>          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3 init=/bin/bb
>
>     I used grub-install /dev/hda with no errors. I've played around with the
> "root=" entry, but to no avail - not sure I'm understanding this one...
>
>  The kernel image appears to be valid, with no typos in filename/grub
> entries.
>
>  Any ideas? Seems that the kernel begins to load, but can't mount the root
> filesystem?
>
>  Thank-you for any pointers.
>
>
> --
>
> Gpm
> The Morins of Plantsville


-- 
Regards Ladislav Laska
S pozdravem Ladislav Laska
-- 
gentoo-installer@gentoo.org mailing list

Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[Greg Morin]

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All: thank-you for the help so far. I have posted this on gentoo-user as
well, and will continue to work with folks individually here or publically
on that list.

The responses so far have helped - Bigfish (Richard), I may respond directly
to your RFI as you may be able to pinpoint the driver(s) I'm missing. I have
added driver support in newly compiled kernels and gotten different errors -
but I think I'm close.

Again all - thanks. I'll pursue on gentoo-user...

Gpm

On 11/3/06, Ladislav Laska <ladislav.laska@gmail.com> wrote:
>
> Andrew is right, this is wrong list. Anyway, you should check that
> modules for your IDE controller are loaded in initrd (or compiled into
> kernel).
>
> You can do this by selecting the second choice in grub (rescue). It
> will boot into busybox (a very basic shell) and you should be (un)able
> to mount filesystems. I don't know what exactly will busybox do for
> your, but maybe you will need to create device node by hand.
>
> For more informations, please write to gentoo-user list, or contact me
> personally (but NOT this list, unless this is gentoo-installer's
> problem).
>
> On 11/3/06, Greg Morin <gpmorin@gmail.com> wrote:
> > Good day,
> >
> >  I've installed (several times) on a ThinkPad T-40, trying both manual
> > kernel config and genkernel. I followed the online manual explicitly (I
> > think). The machine is currently loaded with the manual config. Either
> way,
> > the results are similar.
> >
> >  Grub shows the two boot options, then begins loading the OS.
> >
> >  The machine begins to boot, starts loading modules, then kernel panics:
> >     VFS:Cannot open root device "hda3" or unknown-block(0,0)
> >     Please append a correct "root=" boot option
> >     Kernel panic - not syncing: VFS: Unable to mount root fs on
> > unknown-block(0,0)
> >
> >  There is a single fixed disk:
> >     Device        Boot
> Size    System          Filesystem        Mount
> > point
> >     =======   ====    ===== =========   =========      =========
> >     /dev/hda1       *        32M    Linux             ext2
> > /boot
> >     /dev/hda2                3G      Linux swap     none
> > none
> >     /dev/hda3                ~71G  Linux              ext3
> > /
> >
> >  I am able to mount and use these partitions after booting from CD.
> > /etc/fstab (/mnt/gentoo/etc/fstab when booted from disk) looks good.
> >
> >  Filesystems ext2 and ext3 are compiled into the kernel.
> >
> >  Grub details:
> >     device.map
> >          (hd0)   /dev/hda
> >     grub.conf
> >          default   0
> >          timeout   5
> >          splashimage=(hd0,0)/boot/grub/spash.xpm.gz
> >
> >          title=Gentoo Linux 2.6.17-r8
> >          root (hd0,0)
> >          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3
> >
> >          title=Gentoo Linux 2.6.17-r8 (rescue)
> >          root(hd0,0)
> >          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3
> init=/bin/bb
> >
> >     I used grub-install /dev/hda with no errors. I've played around with
> the
> > "root=" entry, but to no avail - not sure I'm understanding this one...
> >
> >  The kernel image appears to be valid, with no typos in filename/grub
> > entries.
> >
> >  Any ideas? Seems that the kernel begins to load, but can't mount the
> root
> > filesystem?
> >
> >  Thank-you for any pointers.
> >
> >
> > --
> >
> > Gpm
> > The Morins of Plantsville
>
>
> --
> Regards Ladislav Laska
> S pozdravem Ladislav Laska
> --
> gentoo-installer@gentoo.org mailing list
>
>


-- 

Gpm
The Morins of Plantsville

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Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install

[George Prowse]

Greg Morin wrote:
> All: thank-you for the help so far. I have posted this on gentoo-user as 
> well, and will continue to work with folks individually here or 
> publically on that list.
> 
> The responses so far have helped - Bigfish (Richard), I may respond 
> directly to your RFI as you may be able to pinpoint the driver(s) I'm 
> missing. I have added driver support in newly compiled kernels and 
> gotten different errors - but I think I'm close.
> 
> Again all - thanks. I'll pursue on gentoo-user...
> 
> Gpm
> 
> On 11/3/06, *Ladislav Laska* <ladislav.laska@gmail.com 
> <mailto:ladislav.laska@gmail.com>> wrote:
> 
>     Andrew is right, this is wrong list. Anyway, you should check that
>     modules for your IDE controller are loaded in initrd (or compiled into
>     kernel).
> 
>     You can do this by selecting the second choice in grub (rescue). It
>     will boot into busybox (a very basic shell) and you should be (un)able
>     to mount filesystems. I don't know what exactly will busybox do for
>     your, but maybe you will need to create device node by hand.
> 
>     For more informations, please write to gentoo-user list, or contact me
>     personally (but NOT this list, unless this is gentoo-installer's
>     problem).
> 
>     On 11/3/06, Greg Morin <gpmorin@gmail.com
>     <mailto:gpmorin@gmail.com>> wrote:
>      > Good day,
>      >
>      >  I've installed (several times) on a ThinkPad T-40, trying both
>     manual
>      > kernel config and genkernel. I followed the online manual
>     explicitly (I
>      > think). The machine is currently loaded with the manual config.
>     Either way,
>      > the results are similar.
>      >
>      >  Grub shows the two boot options, then begins loading the OS.
>      >
>      >  The machine begins to boot, starts loading modules, then kernel
>     panics:
>      >     VFS:Cannot open root device "hda3" or unknown-block(0,0)
>      >     Please append a correct "root=" boot option
>      >     Kernel panic - not syncing: VFS: Unable to mount root fs on
>      > unknown-block(0,0)
>      >
>      >  There is a single fixed disk:
>      >     Device        Boot    
>     Size    System          Filesystem        Mount
>      > point
>      >     =======   ====    ===== =========   =========      =========
>      >     /dev/hda1       *        32M    Linux             ext2
>      > /boot
>      >     /dev/hda2                3G      Linux swap     none
>      > none
>      >     /dev/hda3                ~71G  Linux              ext3
>      > /
>      >
>      >  I am able to mount and use these partitions after booting from CD.
>      > /etc/fstab (/mnt/gentoo/etc/fstab when booted from disk) looks good.
>      >
>      >  Filesystems ext2 and ext3 are compiled into the kernel.
>      >
>      >  Grub details:
>      >     device.map
>      >          (hd0)   /dev/hda
>      >     grub.conf
>      >          default   0
>      >          timeout   5
>      >          splashimage=(hd0,0)/boot/grub/spash.xpm.gz
>      >
>      >          title=Gentoo Linux 2.6.17-r8
>      >          root (hd0,0)
>      >          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3
>      >
>      >          title=Gentoo Linux 2.6.17-r8 (rescue)
>      >          root(hd0,0)
>      >          kernel /boot/kernel-2.6.17-gentoo-r8 root=/dev/hda3
>     init=/bin/bb
>      >
>      >     I used grub-install /dev/hda with no errors. I've played
>     around with the
>      > "root=" entry, but to no avail - not sure I'm understanding this
>     one...
>      >
>      >  The kernel image appears to be valid, with no typos in filename/grub
>      > entries.
>      >
>      >  Any ideas? Seems that the kernel begins to load, but can't mount
>     the root
>      > filesystem?
>      >
>      >  Thank-you for any pointers.
>      >
>      >
>      > --
>      >

There are also about 1000 posts about this on the forums and on the 
"installing Gentoo" forum there is a specific thread on Grub errors and 
how to deal with each one.

George

Send instant messages to your online friends http://uk.messenger.yahoo.com 

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