What is DEVFS and how to install

Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

I have installed gentoo whith stage3_i.tbz. Grub starts fine but after that DEVFS is missing. How do i install it.

Can any one help me

rac · Posted: Fri Sep 06, 2002 7:24 am Post subject:

Welcome to the forums. Please take the time to read our FAQ, which includes How do I enable devfs?.
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

I have done the things in the faq but it still dont work

"How do I enable devfs?
When recompiling your kernel, turn on 'Prompt for development and/or incomplete code/drivers' under 'Code maturity level options', and then look under 'File systems' for '/dev file system support'."

rac · Posted: Fri Sep 06, 2002 7:32 am Post subject:

OK, can you be a little more explicit as to what isn't working?
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

Grub starts-

kernel /boot/bzImage root=/dev/hda3 devfs=mount foo=bar

The system starts BOOT and counting all hard ware

after that i get txt messege DEVFS is not installed

and a 15 sec counter

after that it starts the login

rac · Posted: Fri Sep 06, 2002 7:44 am Post subject:

Right under where you selected /dev filesystem, there is an option "Automatically mount at boot". Did you select that too?
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

I was confused by that option and i was on my way to ask shall that option be set to on

rac · Posted: Fri Sep 06, 2002 7:55 am Post subject:

Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

The way you sad

"Right under where you selected /dev filesystem, there is an option "Automatically mount at boot". Did you select that too?"

I enable it whit "cd /usr/src/linux
make menuconfig
marked Automatically mount at boot shall i enable debugg mode to

Dident work :cry:

rac · Posted: Fri Sep 06, 2002 8:03 am Post subject:

Can you try taking that "devfs=mount" line out of your kernel boot parameters? Also, not to be rude, but it's not possible that the "unmounted /boot by default" setup of gentoo has bitten you, right?
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

I have taken away "devfs=mount" still dont work

the other thing:

I have red the gentoo manual billions time and followed it step by step
but its not esy to follow the guide when both 1-2-3 stage_i.tbz is on the same guide.

I have done this thingys

Partion

HD1=Boot
HD2=Swap
HD3=Root

swapon /dev/hda2
mkdir /mnt/gentoo
mount /dev/hda3 /mnt/gentoo
mkdir /mnt/gentoo/boot
mount /dev/hda1 /mnt/gentoo/boot

Unpaked stage3_i.tbz

chroot -- env update---source

make menuconfig

make bzImage

cp bzImage to /boot

grub setup

root (hd0,0)
setup (hd0)
quit

nano -w /boot/grub/menu.lst

defult 0
timeout 30
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
title=My linux
root (hd0,0)
kernel /boot/bzimage root=/dev/hda3

exit
umount gentoo
restart

Have i missed some stepp

rac · Posted: Fri Sep 06, 2002 8:27 am Post subject:

Sorry, this must be frustrating for you. I can't find where the message "DEVFS is not installed" is coming from. Running

Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

the devfs error is

"The gentoo linux system bla bla bla....... build cd installation guide at http://www.gentoo.org/doc/build.html bla bla bla........."

press enter to continue boot

i have 15 secs to writh up and its imposseble to writh the hole screen on a paper in 15 secs

leber33 · n00b Joined: 04 Sep 2002 Posts: 56

Hi
I have followed your discussion!!!
after the boot process can you read that error message by scrolling upwards by pressing "SHIFT+PAGEUP"
on a german keyboard it's BILD AUF!!!
I ahve the same problem!! Same message
I will recompile my kernel today to turn on devfs( must have forgotten)
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

Thanks leber33 for the tip "SHIFT+PAGEUP"

Now probely rac can help os

The DEVFS problem

"The Gentoo Linux System installation scripts have detcted that your kernel has been compiled without DEVFS support. Because Gentoo Linux has been desigend to work with DEVFS, it is required that you compile suport for it build into your kernel. Please read the Gentoo Linux from source (build) cd installation guide at www.gentoo/doc/build.html

for more information on how to do this

Hit Enter to continue or wait 15 seconds"

Whit the "SHIFT+PAGEUP" tip a allso saw a strange problem: i use ext3 partition but ther is a proplem in the file system check line ther it stands fsck.ext2 partitions can not load and the superblocks

i have set up my partitions by this command mke2fs -j /dev/hda1
mke2fs -j /dev/hda3

i hope rac can come up whith any solution

Naan Yaar · Bodhisattva Joined: 27 Jun 2002 Posts: 1549

The error message comes from /sbin/rc. It actually does not use the world "installed"...

RagManX · Posted: Fri Sep 06, 2002 12:30 pm Post subject:

Pardon what might seen like dumb questions, but have you done all the following:

- After doing make menuconfig and setting your config to match your system (including enabling devfs), have you run 'make dep && make clean bzImage modules modules_install' to rebuild your kernel?

- After building your kernel, have you changed in to /usr/src/linux/arch/i386/boot and checked the date on your new bzImage?

- After verifying that your date is correct and you indeed have a new kernel, have you copied it into /boot?

- When you copied the new kernel into /boot, did you make sure you had mounted boot ('mount /dev/hda1 /boot') before copying it? By default, /boot is not mounted on a running system, so if you copied your kernel over without explicitly mounting it, it is probably located on /dev/hda3 instead of /dev/hda1.

RagManX
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Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

RagManX

I have done all the points you sad

And my system is configured after the gentoo manual

Naan Yaar · Bodhisattva Joined: 27 Jun 2002 Posts: 1549

If you do "uname -a" after logging in, do you see the timestamp of the new kernel? What does "cat /proc/filesystems" give you?

Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

Naan Yaar

uname -a gaved

Linu localhost 2.4.19-gentoo-r5 #1 SMP Thu Sep 5 20:44:02 Local time zone must be set--se zic mai686 i686 GenuineIntel

cat /proc/filesystems gaved

nodev rootfs
nodev bdev
nodev proc
nodev sockfs
nodev tmpfs
nodev shm
nodev pipefs
nodev binfmt_misc
ext2
nodev ramfs
iso9660
nodev nfs
nodev autofs
reiserfs
nodev devpts
xfs

Naan Yaar · Bodhisattva Joined: 27 Jun 2002 Posts: 1549

The kernel time stamp looks a bit old (can't say for sure since you don't seem to have the localtime synlink correct). Are you sure that this is the new kernel?

In your /proc/filesystems list, I do not see ext3 or devfs. From the looks of it, I would tend to think that you are not booting with the right kernel.

Rabidrodent · n00b Joined: 03 Sep 2002 Posts: 14

Exuse me if i say this

hum then the Gentoo guide must be incorect

i have followed it step by step

Naan Yaar · Bodhisattva Joined: 27 Jun 2002 Posts: 1549

I understand your frustration... however, the install guide has worked perfectly for many others who followed it

.
Anyway, in one of your earlier postings, you mention this grub line:

rac · Posted: Fri Sep 06, 2002 5:56 pm Post subject:

Rabidrodent's fsck question has moved to here.
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splooge · l33t Joined: 30 Aug 2002 Posts: 636

Update your /etc/fstab accordingly.