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Installing without a Boot partition & configuring initramfs
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streak
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Joined: 22 May 2013
Posts: 13

PostPosted: Thu May 23, 2013 2:20 am    Post subject: Installing without a Boot partition & configuring initra Reply with quote

I naturally have a few partitions on my new system: var/log swap root. This is how I had it on my Slackware system in the past. So when the handbook suggested a Boot partition I went ahead without one. I configured my kernel manually. However, I have to use initramfs to use Gentoo, but when installing it (with "genkernel --install initramfs) I get a warning saying that it failed to mount /boot. I am not sure if that is an issue but I assume it is and that if I continue configuring the fstab and grub it will still not boot and it will be a waste of effort. There has to be a workaround without having to have a separate boot partition but I don't know what it is. Can anyone give me a hand?

Here is the warning:
Code:
(chroot) darkstar linux # genkernel --install initramfs
* Gentoo Linux Genkernel; Version 3.4.45
* Running with options: --install initramfs

* Using genkernel.conf from /etc/genkernel.conf
* Sourcing arch-specific config.sh from /usr/share/genkernel/arch/x86_64/config.sh ..
* Sourcing arch-specific modules_load from /usr/share/genkernel/arch/x86_64/modules_load ..

* Linux Kernel 3.8.13-gentoo for x86_64...
* .. with config file /usr/share/genkernel/arch/x86_64/kernel-config
mount: special device /dev/BOOT does not exist
* WARNING: Failed to mount /boot!

* busybox: >> Using cache
* initramfs: >> Initializing...
*         >> Appending base_layout cpio data...
*         >> Appending auxilary cpio data...
*         >> Copying keymaps
*         >> Appending busybox cpio data...
*         >> Appending modules cpio data...
*         >> Appending blkid cpio data...
*         >> Appending modprobed cpio data...
*         >> Compressing cpio data (.xz)...

* WARNING... WARNING... WARNING...
* Additional kernel cmdline arguments that *may* be required to boot properly...
* With support for several ext* filesystems available, it may be needed to
* add "rootfstype=ext3" or "rootfstype=ext4" to the list of boot parameters.

* Do NOT report kernel bugs as genkernel bugs unless your bug
* is about the default genkernel configuration...
*
* Make sure you have the latest ~arch genkernel before reporting bugs.


EDIT: I should add that I now created a 32Mb Boot partition, mounted /boot onto it, and re-ran "genkernel --install initramfs" with the same warning. Not sure if I dug myself deeper and how to revert that change if need be.
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khayyam
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Joined: 07 Jun 2012
Posts: 2167

PostPosted: Thu May 23, 2013 3:16 am    Post subject: Re: Installing without a Boot partition & configuring in Reply with quote

streak wrote:
EDIT: I should add that I now created a 32Mb Boot partition, mounted /boot onto it, and re-ran "genkernel --install initramfs" with the same warning. Not sure if I dug myself deeper and how to revert that change if need be.

streak ... the string "/dev/BOOT" comes from /etc/fstab, its there as part of the stage3 and is ment to be edited/commented to reflect your actual partition layout. Its being parsed by genkernel and obviously no such device exists, hence the warning. So, edit /etc/fstab and add the device paths for rootfs, swap, boot, etc. You should have no issues subsequently.

BTW, there is no obligation to have a seperate /boot you can use {rootfs}/boot for the kernel, bootloader, etc

best ... khay
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krinn
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Joined: 02 May 2003
Posts: 4138

PostPosted: Thu May 23, 2013 3:22 am    Post subject: Reply with quote

Isn't /dev/BOOT the default name found in the default fstab provide at install, something anyone must change (in your case, remove).
So did you just forget it ?
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streak
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Joined: 22 May 2013
Posts: 13

PostPosted: Thu May 23, 2013 3:25 am    Post subject: Reply with quote

Yeah, thanks. Yes, it is as simple as removing that fstab line and rebuilding initramfs. I'm a bit embarrassed by this post. Thanks.
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