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#1 2015-05-06 21:33:27

Diadlo
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Registered: 2015-05-06
Posts: 26

Kernel panic - not syncing No working init found.

Hello. Help me please and sorry for my bad english.
I have Kernel panic after force update pacman -Syu (Yes. I am stupid). I reboot my PC and have KP (No working init found).
In the internet I found that need to try init=/bin/bash. After it I have error "Kernel panic: Request init /bin/bash failed (error -2)".
On Arch-wiki I found theme Kernel Panic and read it. I boot from USB, use mount, chroot, find 'linux*', pacman -U.
Now KP (with init=/bin/bash) is:
Failed to execute /init (error -2)
Failed to execute /bin/bash (error -2). Attempting defaults... ,
Kernel panic - not syncing No working init found. Try passing init= option to kernel.

Last edited by Diadlo (2015-05-07 10:38:19)

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#2 2015-05-06 21:45:02

jasonwryan
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From: .nz
Registered: 2009-05-09
Posts: 30,426
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Re: Kernel panic - not syncing No working init found.

You'll need to provide more information about your setup: partition table, boot loader/manager, configuration for that tool, what was in the update (look in pacman's log), etc...


Moving to Newbie Corner.

Arch + dwm   •   Mercurial repos  •   Surfraw

Registered Linux User #482438

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#3 2015-05-06 22:10:24

Diadlo
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Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

Partition table:

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048   419432447   209715200   83  Linux
/dev/sda2       419432448   427821055     4194304   82  Linux swap / Solaris
/dev/sda3       427821056  1953525167   762852056   83  Linux

Bootloader is GRUB2. What config are needed?
Part of pacman.log after pacman -Syu
http://pastebin.com/STgU9qkw

Last edited by Diadlo (2015-05-07 04:21:50)

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#4 2015-05-07 03:24:18

TheSaint
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From: my computer
Registered: 2007-08-19
Posts: 1,536

Re: Kernel panic - not syncing No working init found.

Better to chroot into partition and try to remake initramfs

# mkinitcpio -p linux

do it good first, it will be faster than do it twice the saint wink

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#5 2015-05-07 03:52:43

Diadlo
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Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

TheSaint wrote:

Better to chroot into partition and try to remake initramfs

# mkinitcpio -p linux

Yes, I try this. Nothing changed

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#6 2015-05-07 09:55:39

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

Diadlo wrote:

Bootloader is GRUB2. What config are needed?

/boot/grub/grub.cfg

Post the output of:

lsblk -f

Also:

empty@Arch ~ % sudo pacman -Syn
[sudo] password for empty: 
error: invalid option '-n'

Please state exactly which command you used, what the exact output was for that command, why you had to "force" it and how exactly you forced it.

Jin, Jîyan, Azadî

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#7 2015-05-07 15:31:56

Diadlo
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Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

/boot/grub/grub.cfg
http://pastebin.com/zNJA4LBN

lsblk -f
NAME   FSTYPE  LABEL                          MOUNTPOINT
sda                                           
├─sda1                                        /mnt
├─sda2                                        [SWAP]
└─sda3                                        
sdb                                           
├─sdb1                                        /media/ubuntu-gnome/ARCH_201504
└─sdb2                                        
sr0    iso9660 Ubuntu-GNOME 14.04.1 LTS amd64 /cdrom
loop0                                         /rofs

And sorry for misprint. It was pacman -Syu

Last edited by Diadlo (2015-05-07 15:32:19)

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#8 2015-05-07 15:40:47

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

Head_on_a_Stick wrote:

Please state [...] why you had to "force" it and how exactly you forced it.

I take it you ran the `lsblk -f` command from an Ubuntu live system?

That command in Debian/Ubuntu will only show what I wanted to see with superuser permissions...

We need to see the UUIDs -- post the output of:

# blkid

Jin, Jîyan, Azadî

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#9 2015-05-07 15:46:11

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

Yes. It is Ubuntu liveCD.

$sudo lsblk -f
NAME   FSTYPE   LABEL                          MOUNTPOINT
sda                                            
├─sda1 ext3                                    /mnt
├─sda2 swap                                    [SWAP]
└─sda3 ext3                                    
sdb    iso9660  ARCH_201504                    
├─sdb1 iso9660  ARCH_201504                    /media/ubuntu-gnome/ARCH_201504
└─sdb2 vfat     ARCHISO_EFI                    
sr0    iso9660  Ubuntu-GNOME 14.04.1 LTS amd64 /cdrom
loop0  squashfs                                /rofs

$ sudo blkid
/dev/loop0: TYPE="squashfs" 
/dev/sr0: LABEL="Ubuntu-GNOME 14.04.1 LTS amd64" TYPE="iso9660" 
/dev/sda1: UUID="93306cf0-9095-4e22-89de-bf9a1033846e" TYPE="ext3" 
/dev/sda2: UUID="b15dd0f2-dac1-4993-88a2-7ef10363942c" TYPE="swap" 
/dev/sda3: UUID="1703d4d5-fd0e-4864-9304-a9669f8d0c86" SEC_TYPE="ext2" TYPE="ext3" 
/dev/sdb1: LABEL="ARCH_201504" TYPE="iso9660" 
/dev/sdb2: SEC_TYPE="msdos" LABEL="ARCHISO_EFI" UUID="DE70-606B" TYPE="vfat"

Last edited by Diadlo (2015-05-07 15:46:41)

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#10 2015-05-07 15:54:14

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

Head_on_a_Stick wrote:
Head_on_a_Stick wrote:

Please state [...] why you had to "force" it and how exactly you forced it.

This is the last time I will ask you.

Jin, Jîyan, Azadî

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#11 2015-05-07 16:03:12

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

I wanted update some software. And I decided update all software.

Diadlo wrote:

And sorry for misprint. It was pacman -Syu

I wrote "pacman -Syu"

Last edited by Diadlo (2015-05-07 16:03:32)

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#12 2015-05-07 16:08:18

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

Diadlo wrote:

I have Kernel panic after force update pacman -Syu

Did you have to use `pacman -Syu --force`?

If so, what were the error messages given by pacman that lead you to use this flag?

Jin, Jîyan, Azadî

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#13 2015-05-07 16:11:13

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

No. I don't use "force" flag

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#14 2015-05-07 16:14:51

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

Diadlo wrote:

No. I don't use "force" flag

OK, sorry for being a bit rude -- I was confused.

You should probably chroot into your system and re-install the kernel image & GRUB and re-configure GRUB.

EDIT: How long has it been since you last updated your system?

Last edited by Head_on_a_Stick (2015-05-07 16:17:01)

Jin, Jîyan, Azadî

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#15 2015-05-07 16:30:31

Spider.007
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Registered: 2004-06-20
Posts: 1,176

Re: Kernel panic - not syncing No working init found.

I would also use an archlinux live-cd, it provides arch-chroot giving you a better chance of reviving your install

Last edited by Spider.007 (2015-05-07 16:30:43)

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#16 2015-05-07 16:48:59

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

No problem.
I already use
"pacman -U /var/cache/pacman/pkg/linux-3.19.3-3-x86_64.pkg.tar.xz"
and
"mkinitcpio -p linux"
both in arch live-cd. And nothing has changed.

Now I use "pacman -S grub"

warning: grub-1:2.02.beta2-5 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...

Packages (1) grub-1:2.02.beta2-5

Total Download Size:    5.75 MiB
Total Installed Size:  28.87 MiB
Net Upgrade Size:       0.00 MiB

:: Proceed with installation? [Y/n] y
error: could not open file: /etc/mtab: No such file or directory
error: could not determine filesystem mount points
error: failed to commit transaction (unexpected error)
Errors occurred, no packages were upgraded.

How I must re-configure GRUB?

$ chroot /mnt /bin/bash
$ sudo grub-mkconfig -o /boot/grub/grub.cfg
/usr/bin/grub-probe: error: cannot find a device for / (is /dev mounted?).

What do you mean by "updated system". I new arch user (about a month)

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#17 2015-05-07 16:51:22

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Kernel panic - not syncing No working init found.

^ You have not mounted /proc, /sys & /dev
https://wiki.archlinux.org/index.php/Change_root

As @Spider.007 says, you should use the Arch live ISO and `arch-chroot` -- just as you did (?) when installing Arch.

Jin, Jîyan, Azadî

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#18 2015-05-07 16:57:11

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

I use Ubuntu liveCD, because I can't copy output on forum without reboot. OK, I will try again reconfigure in arch.
Of course I used the chroot when install arch smile

Last edited by Diadlo (2015-05-07 17:01:29)

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#19 2015-05-07 17:07:01

Diadlo
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Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

I re-configure grub and get same kernel panic

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#20 2015-05-07 17:10:44

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
Website

Re: Kernel panic - not syncing No working init found.

Diadlo wrote:

I already use
"pacman -U /var/cache/pacman/pkg/linux-3.19.3-3-x86_64.pkg.tar.xz"
and
"mkinitcpio -p linux"
both in arch live-cd. And nothing has changed.

Did you mount your partition(s) and use `arch-chroot` before you did this?

Have you re-installed GRUB (from within the chroot)?

Jin, Jîyan, Azadî

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#21 2015-05-07 17:23:09

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

Yes. Now I did all of this things again. 

arch-chroot /mnt /bin/bash
pacman -U /var/cache/pacman/pkg/linux...pkg.tar.gz
mkinitcpio -p linux
pacman -S grub
grub-mkconfig -o /boot/grub/grub.cfg

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#22 2015-05-07 17:27:42

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
Website

Re: Kernel panic - not syncing No working init found.

Diadlo wrote:
pacman -S grub

That just installs the GRUB package -- try installing the bootloader again:

# grub-install --target=i386-pc --recheck /dev/sda

https://wiki.archlinux.org/index.php/Be … therboards

Jin, Jîyan, Azadî

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#23 2015-05-07 17:44:22

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

When I install bootloader I get this message

warning: Sector 33 is already in use by the program 'FlexNet'; avoiding it. This software may cause boot or other problems in future. Please ask its authors not to store data in the boot track.

Some changes. Now I get grub error. 

No such device: <Some UUID>. 
Entering rescue mode...
grub rescue> _

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#24 2015-05-07 17:50:37

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 20,701

Re: Kernel panic - not syncing No working init found.

What  specifically did you command?  It looks like you specified a volume, not a drive.

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
The shortest way to ruin a country is to give power to demagogues.— Dionysius of Halicarnassus
---
How to Ask Questions the Smart Way

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#25 2015-05-07 17:52:22

Diadlo
Member
Registered: 2015-05-06
Posts: 26

Re: Kernel panic - not syncing No working init found.

grub-install --target=i386-pc --recheck /dev/sda

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