Slackware :: /dev/root Mounting & Booting Into The Generic Kernel Failed?

Jul 4, 2011

I just did a full install of Slackware64 on my netbook. Everything was sweet until I tried switching to the generic kernel. Even before this, I noticed when I ran the mount command it listed not sda3, which really is the root partition, but /dev/root as the root partition. This also appears in mtab, but not fstab. So yeah, here are the errors when I try booting into the generic kernel:

Code: mounting /dev/sda3 on /mnt failed: No such device No /sbin/init found on rootdev (or not mounted) bin/sh: cant access tty: job control turned off

I've tried rebuilding the mkinitrd_command_generator.sh script several times, as well as lilo.conf. But no success I've looked at some similar old threadss here but most of them are related to slackware 12 and older, so I don't know if these issues are related or not.

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Slackware :: 64 Crashes After Booting Generic Kernel (64 Bit)?

May 3, 2011

I've installed Slackware64 on a Toshiba Qosmio laptop (booting with ext4, SAMSUNG HM500JI HDD, 3 GB Ram, Intel Core 2 Duo Processor, Intel chipset and graphics).The system boots the huge kernel just fine. But after booting with the generic kernel AND after having prepared a mkinitrd with the mkinitrd generator, the boot process crashes at ~4sec with a panic.

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Slackware :: Setting Up Initrd - Generic Kernel In Grub2 - Can't Load Generic

Jan 4, 2011

I am trying to figure out how to load the generic kernel in Grub2.

I have run the /usr/hare/mkinitrd/mkinitrd_command_generator.sh and ran the output:

Code:

Why this will not load.

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Slackware :: Kernel Panic Not Syncing: VFS: Unable To Mount Root Fs On Unknown- Block(8,4) While Booting

Jun 5, 2010

im a rookie at configuring linux and i have problem booting slackware 13.1 just installed. i get a message similar to this Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- block(8,4) i got this one from another user who has a similar problem, they say i should fix lilo.conf and it actually was pointing to a wrong partition so i fixed it. i also fixed /etc/fstab to make it point to the right partition /dev/sda3. but after fixing the files, it still wants to load something in /dev/sda4, i dont know why so what should i do next, please explain with commands and not just words. edit this is my lilo.conf

# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
# Append any additional kernel parameters:
append=" vt.default_utf8=0"
boot = /dev/sda3
[Code]...

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General :: Ubuntu 6.06: Mounting /root/sda1 /root Failed: No Such Device

Jan 22, 2010

An old machine in our office, running Ubuntu 6.06 all of a sudden will not boot up. I get the following info during boot:

Uncompressing Linux... Ok Booting the kernel
mount: Mounting /root/sda1 /root failed: No such device
mount: Mounting /root/dev on /dev/.static/dev failed: No such file or directory

[code]....

I haven't changed anything on the system as far as I'm aware, and I ran some HD diagnostics and everything seems fine. however when I try to mount the drive with the following command:

sudo mount -t ext3 -o rw /dev/hda1 /mnt

I get the following error:

mount: wrong fs type, bad option, bad
superblock on /dev/sda1, missing code
page or helper program, or other error
In some cases useful info is found in
syslog - try dmesg | tail or so

I ran fdisk -l and it says the partition type is Linux. The output after running dmesg | tail :

[12207.483801] init_special_inode: bogus i_mode (101)
[12207.483809] EXT2-fs: corrupt root inode, run e2fsck
[12260.427078] init_special_inode: bogus i_mode (101)

[code]...

Update: After running e2fsck -p /dev/sda1, I get the following info:

/dev/sda1: clean, 142449 / 9584640 files, 5402711 / 19161520 blocks

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Slackware :: Switch To The Generic Kernel?

Jun 15, 2011

One thing I always do is switch to the vmlinuz-generic(-smp) kernel in /etc/lilo.conf and build an initrd (see /boot/README.initrd for details). The "huge" kernel used by default is only meant for installing and not recommended for everyday use. It has a lot of drivers you don't need built-in and uses more RAM than the "generic" kernels.

still trying to find my feet and get to know Slackware. In one of my previous threads, 'things to do after installing' i was told the above message. When i installed, it used the huge kernel, but i'm unsure if that was the one that got installed. when i start slackware up, above the login screen it say, �wecome to Linux 2.6.37.6-smp (tty1)� I was wondering how to swich to the generic smp kernel, do I just change the vmlinuz to the desired, in lilo?

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Slackware :: Generic Kernel And Initrd Not Working

Apr 8, 2010

I've changed for huge kernel to a generic+initrd setup per the instructions in the README.initrd file however my machine fails to boot using that method. I get the following errors:
/boot/initrd.gz: Loading kernel modules from initrd image:
mount: mouting /dev/sda2 on /mnt failed: No such device
ERROR: No /sbin/init found on rootdev (or not mounted)

1. I've created the initrd using the results from /usr/share/mkinitrd/mkinitrd_command_generator.sh
mkinitrd -c -k 2.6.33.1 -f ext4 -r /dev/sda2 -m usbhid:ehci-hcd:ext4 -o /boot/initrd.gz
2. my root fs is ext4 on /dev/sda2
3. I've changed all necessary links in /boot
4. I've changed my /etc/lilo to:
image = /boot/vmlinuz
initrd = /boot/initrd.gz
root = /dev/sda2
label = Linux-Generic
read-only

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Slackware :: How Good Is The Generic Kernel At Using New Hardware

Sep 19, 2010

I am going to change my hardware soon, just a new motherboard and cpu, same sound card,gfx card and other stuff. Will it boot and run ok ( like a live cd/dvd) until I have time to do a reinstall or does it have specific ports the hardware is installed on now?

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Slackware :: 13.37rc2 Btrfs With Generic Kernel

Mar 20, 2011

I was interested in the idea of the btrfs subvolumes, so I made a virtual machine and installed Slackware as per the instructions here: [URL] It all went very well, but when I tried to switch from the huge kernel to the generic kernel and use the initrd.gz generated from step 29 (except that I used 2.6.37.4-smp instead of whatever's there) in lilo.conf, it failed to boot. I also noticed that in the instructions themselves, the poster doesn't actually add the initrd.gz to lilo.conf, so I'm guess the huge kernel has everything it needs to boot properly.

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Slackware :: How To Modify Grub To Boot Using Generic Kernel

Feb 16, 2011

My Slackware boots using the huge kernel. I am not using LILO; I am using GRUB from the extras directory on the DVD. I followed the tutorial @ [URL] up to the point where it discusses modifying LILO. My /boot/grub/menu.lst reads, in part:

# Linux bootable partition config begins
title Slackware Linux on (/dev/sda7)
root (hd0,6)
kernel /boot/vmlinuz root=/dev/sda7 ro vga=normal
# Linux bootable partition config ends

This boots the huge kernel. What changes must I make to the above menu.lst entry to boot using the generic kernel?

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Slackware :: Vmware Server 2.0.2 In 13.1 With A Modified Generic Kernel 2.6.37.2

Mar 15, 2011

i'm attempting to configure the vmware server on the above mentioned system,without luck.i can't get the vmmon to compile. I have tried this out-dated guide [URL] but no luck. I have setup made the necessary links as explained in this guide [URL] I haven't managed to try out the any-any patch since no link to the patch is alive anymore.Since slack 13.37 is using 2.6.37.3 kernel I wonder if anyone has found a way to compile the vmware modules on these recent kernels.

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Ubuntu :: Mounting /dev On /root/dev Failed At Boot

Aug 21, 2010

I installed ubuntu 10.04 from the CD (downloaded from ubuntu website), all worked very well. until today that I decided to run the software updater. It installed all the updates correctly, I restarted ok, but i experienced a mini locks, for example when i was with firefox, firefox had mini hangs for about 15 seconds then run normally. Then all OS got unstable, windows showing no thing, for example when i tried to restart using the button, it didnot do anything. Well i reset my computer and BOOM!, im stuck after Grub showing me this:

mount : mounting /dev on /root/dev failed : No such file or directory
mount : mounting /sys on /root/sys failed : No such file or directory
mount : mounting /proc on /root/proc failed : No such file or directory

[code]....

I'm able to reproduce this. I installed a fresh 10.4 again, then installed propietary drivers (nvidia), restart, all working flawless here, then updating all packages using the update-manager, restart, here not all working well (same sympthoms) so i decided to restart, then BOOM AGAIN.. I did the process 3 times and, the same, so I think something is BROKEN. So im able to reproduce it but don't know what the hell is causing it.

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Ubuntu :: 10.10 Versus Kernel 2.6.29 - Mounting None On /dev Failed

Mar 15, 2011

I placed Ubuntu on the same drive as my windows XP is, and there were no problems, everything was fine, all drivers were working...I need to use kernel 2.6.29 and i read about "how to install a new kernel" on this forum. I downloaded 3 files, I installed them in a good sequence. After reboot I can choose between 3 kernels, and if I choose this, then there is a mounting problem:

mounting none on /dev failed

Afterthat there is written something else, what I cant read. Some seconds later ubuntu boots, but my (non-USB) mouse isnt working.

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Ubuntu :: Error - Mounting /dev On /root/dev Failed: No Such File Or Directory

Apr 4, 2010

I have recently experienced a problem that occurred after an automatic update. After the update it said restart system. So I did and proceeded as normal. when after the reboot Firefox suddenly stopped working, crashed and upon clicking it again only a blank box appeared. Then my other apps followed and i soon couldn't do anything so i shut down my computer. Upon restart I got a black screen with tons of text and something around the lines of

mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting / sys/ on root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or dirctory

[code]....

So I rebooted and pressed shift to open that grub thing and booted from an earlier kernel. This time it said checking HD for errors and after booted normally. Everything seemed fine but next day it did it again. Starting with Firefox crashing and then everything else. I again booted from a previous kernel and it worked but upon checking with uname -a it did not list the kernel i chose to boot from. So I decided to upgrade 10.04 to 10.10. This upgraded my kernel and deleted the old ones so i am hoping i am good now.

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Slackware :: Software RAID 1 Versus LILO / Kernel-generic - ERROR: No /sbin/init Found On Rootdev

Jul 1, 2011

I'm currently trying to setup Slackware 13.7 on a server, using software RAID 1. I'm using the README_RAID.TXT document at the root of the Slackware disc as a reference. Anyway, here's what I have so far.

/dev/md1 -> /boot partition
/dev/md2 -> swap partition
/dev/md3 -> / partition

Code:

[root@raymonde:~] # fdisk -l /dev/sd{a,b}
Disk /dev/sda: 41.1 GB, 41110142976 bytes
255 heads, 63 sectors/track, 4998 cylinders, total 80293248 sectors
Units = sectors of 1 * 512 = 512 bytes

[code]....

I created an initrd image using mkinitrd -F, added an according stanza to /etc/lilo.conf and ran 'lilo' after that. Now I can boot on the vanilla huge kernel all right. But I can't seem to boot on the generic kernel. Whenever I try to do this, the boot process stops short on the following error message:

Code:

mount: mounting /dev/md3 on /mnt failed: Device or resource busy
ERROR: no /sbin/init found on rootdev

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Ubuntu :: Unable To Boot The 10.10 - Mounting /dev On /root/dev Failed: No Such File Or Directory

Feb 9, 2011

After upgrading from 10.04 to 10.10 I have had some problems booting my Ubuntu. It all started when restarting after the upgrade, and I got the error;

Code:

mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting / sys/ on root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or dirctory
Target filesystem doesn't have /sbin/init.
No init found. Try passing init= boot arg

BusyBox v1.13.3 (Ubuntu 1:1.13.3.1ubuntu11) built-in shell (ash)(initramfs) After searching the Internet, I found a "solution". I just had to boot with a USB stick with the Ubuntu Rescue Remix (the normal Ubuntu USB won't boot either), and i wrote;

Code:

sudo fsck /dev/sdb5

Now I could start my Ubuntu again. So whats the problem? If I turn off my computer the normal way, there is no problem, but if I log off, put it into sleep mode, if something happens and I have to turn it off with the button it goes back to the first problem, and I have to reboot it with the USB stick and fix it all over again! If I don't have the USB stick with me, I probably wont be able to use my laptop!

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Ubuntu Installation :: Mount: Mounting /dev On /root/dev Failed: No Such File Or Directory

Feb 21, 2011

since running update manager on my daughters net running 10.04 netbook on boot up I get the following on the screen

mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn�t have /sbin/init.

[code]....

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Ubuntu Installation :: Mount: Mounting /dev On /root/dev Failed: No Such File Or Directory

May 14, 2011

Doesn't seem to matter which version, every time I try to install Software raid on an Ubuntu server system, it blows up with this error. Seems I've had trouble for several versions.

Code:

mount: mounting /dev/disk/by-uuid/f35415ee-4c14-4eb1-995f-f19fbcd760c7 on /root
failed: Invalid argument
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory

[code]...

I've done it on Centos Fine, and followed the many different instructions I've seen for Ubuntu. The only luck I've had was with bios raid, but I would much rather let Mdadm handle things.

My build:

ubuntu-10.04.2-server-amd64 CD install
AMD 1055T 6Core
4GB ram
Asus M4A88TD-MUSB3

[code]...

I install both as letting Ubuntu decide partitions for one drive, do the same for the other, and create a raid, and do them from scratch. No dice, same problem. I've tried that one as logical and as primary too. No difference. Something just doesn't like booting from a raid 1 Mirror. I've tried installing grub on both HDDs (sda1 + sdb1)I've tried several CDs, burned from several machines. Re-downloaded from Torrent and from the website. The DVD drives work since I purchased new DVD drives for both one workstation and the server. Things install fine under CentOS, software raid comes up.

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Ubuntu :: Initramfs Boot Error - Mount: Mounting /dev /root/sys Failed: No Such File Or Directory

Feb 19, 2011

Okay, so on occasion when I boot into ubuntu I get this error

[mount: mounting /dev /root/dev failed: no such file or directory]
[mount: mounting /dev /root/sys failed: no such file or directory]
[mount: mounting /dev /root/proc failed: no such file or directory]

[code]...

I get the error when I open any of the kernel versions or any recovery mode. Ubuntu 10.10 Desktop is the only OS installed on the computer, which is a Lenovo S10-3. I can eventually get it to go away, sometimes by repeatedly unplugging it and plugging it back in, and sometimes I will boot into GParted, do nothing, then restart and it will work.I have found some solutions online, but all of them involve the error happening as a result of dual booting with Windows.I have made no major system changes recently, so I can't see anything like that being the problem.

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General :: Dd Copy - Hard Drive Clone Fails When Mounting Root Androotblock - /newroot Failed

Oct 27, 2010

I am trying to replace an old, smaller, and dying laptop hard drive with a newer one, using a USB external drive. I first tried cloning disk to disk with Clonezilla, but it failed after cloning my root, swap, and /home directories it froze when it tried to reinstall grub. After 2x trying, I switched to dd, which I have never really used (I am fairly new to Linux in general). The actual command I used was:

Quote:

dd if=/dev/sda of=/dev/sdb bs=4096 conv=notrunc,noerror

All seemed ok and after approximately 2 hours my 80GB drive had been cloned onto my new 250GB, with dd giving what appeared to be a satisfactory closure summary. I tried to mount and access the drive from my external USB enclosure but could not view it, though the data is there, I believe, as the size and bytes show... The error that Dolphin is giving me is:

Quote:

error - wrong fstype, bad option, bad superblock on /dev/sdb1 Missing codepage or helper program or other error. When I installed the new drive directly into my laptop, it begins to boot (Sabayon 5.4, 2.6.35 kernel) but almost immediately I get (handwritten down, but this is close):

Quote:

detected real_root
mounting /dev/sda1 on /newroot failed: input/output error
!! Could not mount specified ROOT, try again
!! Could not find the root block device in .

[code]....

I am assuming that my issue has something to do with grub, and maybe specific UUIDs that don't match (?) but I'm not really certain. I have both Grub Legacy 0.9x and the newer Grub 2 installed (Sabayon is already moving over) but I still boot with Legacy, not with the new 2, as I don't know how to switch, and am not sure if I should yet. I thought that dd copied bit for bit, and I added the noerror just to try to get it all transferred, so I don't know what went wrong exactly, though something seems wrong with grub and the bootloader, I guess...

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Slackware :: Lilo Multiboot And Initramfs - Mounting True Root Device

Apr 13, 2011

Recently I installed a Linux distro (Pardus) which boots using initramfs. I am completely novice here. In the former configuration I used lilo to boot OpenBSD, Debian and W2k (it is easy for me to configure lilo to boot OpenBSD). But initramfs is a something completely new for me. As I understand it is a virtual file system with a standard directory tree and the information stored on that system is used (to boot the kernel?) to mount the true (physical) root device. The first question is how to properly describe a system (kernel image) booted with initramfs in the lilo.conf.

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Ubuntu :: Upgrading To 10.10 - Error "select 'Ubuntu' In The Boot Up Menu Right After The BIOS Screen: Booting ' Ubuntu 10.10, Kernel 2.6.35-25-generic'"

Feb 13, 2011

I have been running Ubuntu 10.04 under Windows 7 (Is this call WUBI?) without any problems for a while. My other machines only run Ubuntu (9.04 & 10.04). I decided to give it a try to the latest Ubuntu 10.10. After going through the successful installation and then rebooting, I am getting the following error message once I select 'Ubuntu' in the boot up menu right after the BIOS screen: Booting ' Ubuntu 10.10, kernel 2.6.35-25-generic'

[Code]...

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Slackware :: 13.1-64 DVD Hangs On Booting Kernel

May 27, 2010

Dell optiplex 740 running slackware64-13.0 2.6.34 #1 SMP Mon May 17 13:50:21 EDT 2010 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ AuthenticAMD GNU/Linux downloaded install DVD using Eric's mirror script burnt two dvds

I get the screen asking if I need to enter anything press enter the dots run across the bottom of the screen then jump to the top and machine dies after line "Booting kernel" even the 'elephants can't get it to move' power off is only option other dvd's are bootable including ones burnt on this machine after the 13.1 dvd

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Server :: Mounting Ext3 File System As Ext2 On Slackware With Custom Build Kernel?

May 16, 2010

I just rebuild the kernel for slackware 13, everything works, but root file system which is ext3 is mounted as ext2. Normally I've build ext3, ext4 and so on as modules, not in the kernel... but if I do this, then the kernel mounts the file system as ext2, which is build in the kernel. I also modified rc.modules so I can make sure that ext3,ext4,jbd are loaded, but it doesnt work.

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Slackware :: Kernel Panic While Booting With Grub Using Uuids

Jul 16, 2010

today I updated my Slackware 13.0 to 13.1. Unfortunately it didn't boot any longer. I probably forgot to run "lilo" before restarting. However, I reinstalled Slackware and I installed grub instead of lilo I'm more familiar with it..

This was my first menu.lst config:

Quote:

title Linux (uuid)
root(hd0,0)
kernel /vmlinuz root=UUID=6a8096a3-3915-4ef2-8984-976e42d04cfc ro vga=0x031b

While booting it stopped and printed this message:

Quote:

Kernel panic - not syncing: VFS; Unable to mount root fs on unknown-block

Then I compared it to other Linux system on different computers and I noticed that every of them, who are using uuids, using an initrd as well. So I created one and now it boots properly.

I just wonder, why? Why does it need an initrd to boot by using uuids?

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Slackware :: Starting VirtualBox Kernel Module - Failed

Jan 4, 2010

I download "VirtualBox-3.1.2-56127-Linux_amd64.run" and installed it, and got a messages like this " virtualbox have been installed successfully in my system", but when I run virtualbox, I've been told "/etc/init.d/vboxdrv setup" something like that. And I run virtualbox in terminal, got this:

Warning: The vboxdrv kernel module is not loaded. Either there is no module available for the current kernel (2.6.29.6) or it failed to load. Please recompile the kernel module and install it by
sudo /etc/init.d/vboxdrv setup
You will not be able to start VMs until this problem is fixed.

I run "/etc/rc.d/rc.vboxdrv start" as a root, got messages like this :
Starting VirtualBox kernel module ...failed!
(modprobe vboxdrv failed.)

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Slackware :: Kernel 2.6.33 Failed To Boot (Cannot Remount Read-only Fs)

Mar 7, 2010

I tried to compile a 2.6.33 kernel following Alien's guide.

I pretty much used the default values for every (NEW) option avaiable. I used "make localmodconfig" on my current config (zcat /proc/config.gz) and then tried to use "make menuconfig" to check if I could change anything. I didn't understand most of the options, so I skipped it. Then I used "make bzImage modules" and "make modules_install", copied the files mentioned on the wiki and run lilo.

But when I try to boot using my custom kernel, it gives an error like "Cannot remount read-only filesystem as read-write! This can cause serious problems."

If I try to continue the boot, it hangs when trying to launch the syslog script...

The new kernel entry on lilo.conf is:

Code:
image = /boot/vmlinuz-custom-2.6.33
root = /dev/sda4
label = newkernel
read-only
just like the default kernel entry.

By the way, one thing I changed is the kernel compression format, which I set LZMA. But it didn't seem to be the problem, since it at least started...

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Slackware :: Failed To Run * As User Root, The Gksu-run-helper Program Is Not Found Or Is Not Executable

Jul 14, 2010

error message

Quote:

"failed to run * as user root, the gksu-run-helper program is not found or is not executable"

Tried googling and checking threads at LQ didnt find a solution or another instance running slackware64 current.. everything built fine, tried and everythings executable...I also have Alien's multilib installed, with only firefox and flashplugin as 32bit, everything else 64bit. I can't open any apps as root by normal user

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Ubuntu :: Long Disk-activity-pause On Boot - Between Mounting Root And Mounting Swap?

Jul 14, 2011

Just the last day or so, I've noticed a long pause when I boot my laptop, with lots of disk activity. dmesg says:

[Code]...

Why would there be a 15-second pause (during which the disk is slammed) between mounting root and mounting swap? During this time I see nothing but a blank purple screen, there are no cycling dots or text scroll. Is this normal and I'm just freaking out over nothing because there's no indicator of progress? GRUB default boot options: quiet splash nomodeset video=uvesafb:mode_option=1920x1200-24,mtrr=3,scroll=ywrap vt.handoff=7

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Slackware :: Kernel Panic - VFS - Unable To Mount Root Fs On 08:05

Apr 19, 2011

I have been dual booting "Windoz" (hda1) and slackware 11 (RTAI - hda 5) old system. The problem happen after I installed slackware 13(sda8) on the same hard drive. I was able to mount my old slack11 (now (sda5)) to slack13 to read. So I wanted to boot to slack11.

MY Lilo on slack 13:

Now when I boot to Slackware11 I get:

VFS:

How can I boot a old "hda" image on "sda" system. With a floppy I can go back to Slackware11.

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