Gentoo Archives: gentoo-installer

From: George Prowse <cokehabit2003@××××××××.uk>
To: gentoo-installer@l.g.o
Subject: Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install
Date: Fri, 03 Nov 2006 23:50:55
Message-Id: 454BD5B0.80206@yahoo.co.uk
In Reply to: Re: [gentoo-installer] Grub causing kernel panic? - ThinkPad T40 - new install by Greg Morin
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@×××××.com > <mailto:ladislav.laska@×××××.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@×××××.com > <mailto:gpmorin@×××××.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 -- gentoo-installer@g.o mailing list