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Vfs Cannot Open Root Device Null Or Unknown-block2 0

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my pxelinux.cfg/default file looks like this. The uncompressed initramfs image appears to be around 21.5 MB, which should leave about 10 MB of space to load kernel modules. Results 1 to 4 of 4 Thread: Loading Ubuntu Server over TFTP, getting Kernel Panic on client. Well, party on, fellas! weblink

Aside from verifying the kernel and modules match in this case I would also check how you are inserting the cmemk.ko file, which is typically done with the loadmodules.sh script, it Second part, initrd Another possibility is that your system cannot open a root device because it does not have the proper drivers to do so. Enlightened: The TI DLP® Blog Fully Charged Industrial Strength Launch Your Design Learn E2E Motor Drive & Control MSP Low-Power Plays On the Grid Power House Precision Hub The Process Think. Cheers. del.icio.us stumble digg reddit slashdot Advertise!

Vfs Cannot Open Root Device Unknown-block(0 0)

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started If it does, it might help you identify if you misselected a partition (in the example given at the beginning of this section, only two partitions are found whereas the kernel

This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. This is not recommended !! Password Linux - Newbie This Linux forum is for members that are new to Linux. Cannot Open Root Device Mapper/volgroup-lv_root When a kernel module loads, I get an error like the following: "cmem: disagrees about version of symbol module_layout".

Your best bet is to proceed slowly and use a checklist. Vfs Cannot Open Root Device Please Append A Correct Root Boot Option done.
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
VFS:
Mounted root (ext2 filesystem).
Freeing init memory: 96K
kernel 启动到这里就停止了。
-------------------------------------------------------------------------
--> Device Drivers
--> Block devices
CONFIG_BLK_DEV_RAM选项未选上
CONFIG_BLK_DEV_INITRD选项未选上
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Where should I append the correct root= option? Vfs Cannot Open Root Device Mapper Scheduling it for restart. Check if you have built in (and not as a module) support for the bus / protocol that your harddisk controller uses. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff. © Copyright 1995-2016 Texas Instruments Incorporated.

Vfs Cannot Open Root Device Please Append A Correct Root Boot Option

I have been following this guide. IP-Config: Guessing netmask 255.255.0.0IP-Config: Complete: device=eth0, addr=171.0.0.130, mask=255.255.0.0, gw=255.255.255.255, host=171.0.0.130, domain=, nis-domain=(none), bootserver=255.255.255.255, rootserver=255.255.255.255, rootpath=Root-NFS: No NFS server available, giving up.VFS: Unable to mount root fs via NFS, trying floppy.VFS: Cannot Vfs Cannot Open Root Device Unknown-block(0 0) For example, if you plan on using LVM, it seems quite necessary to add the lvm module. Vfs Cannot Open Root Device Redhat What is the common, normally open, normally closed?

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Scanning device for bad blocks

Creating 5 MTD partitions on "NAND 32MiB 3,3V 8-bit":

0x00000000-0x00020000 : "loader"

0x00020000-0x00030000 : "param"

0x00030000-0x001f0000 : "kernel"

0x00200000-0x00600000 : "root"

For details and our forum data attribution, retention and privacy policy, see here current community blog chat Super User Meta Super User your communities Sign up or log in to Like the Ubuntu initrd issue, the solution is none of the suggested items, so please read and learn how to handle this properly. Vfs Cannot Open Root Device Centos

  1. The basic principle remains the same.
  2. thank you.
  3. Generated Fri, 11 Nov 2016 06:32:33 GMT by s_sg2 (squid/3.5.20)
  4. up vote 7 down vote favorite 3 whenever I try to boot with linux kernel 3.0.0.13 (the one installed by the upgrades) I get a Kernel Panic error: VFS: Cannot open
  5. Does Intel sell CPUs in ribbons?
  6. During boot, the kernel loads just fine but there is an error when the kernel tries to load the filesystem, shown below.

What do I do? How can I solve this? You will find a million threads, all discussing this item, most of them half-baked guesses. check over here If it is another digit (like 8), it is unable to identify the file system (but is able to access the hardware).

the server does boot up and is running fine. Please Append A Correct Root= Boot Option Redhat Shells ?---> ? ? │ ? ? ? Open the kernel configuration wizard (the make menuconfig part) so that you can update the kernel configuration accordingly.

done
zImage magic = 0x016f2818
Setup linux parameters at 0x30000100
linux command line is: "noinitrd root=/dev/mtdblock3 init=/linuxrc console=ttySAC0,115200"
MACH_TYPE = 193
NOW, Booting Linux......
Uncompressing Linux..................................................................................................

Reply Cancel Cancel Reply Suggest as Answer Use rich formatting Mastermind 41690 points Bernie Thompson TI Mar 30, 2011 7:45 PM In reply to Bryan Evenson: Bryan EvensonWhen a kernel module There are two variations to this message and many possible reasons to why it shows up. If this works with NFS but not with initramfs than I would be suspect that your cmemk.ko files in each filesystem are not the same, or that the kernel uImage file Vfs Cannot Open Root Device Uuid Kernel panic - not syncing: No init found.Try passing init= option to kernel. 移植了内核2.6.14.1 自己制作了文件系统cramfs, #touch linuxrc #chmod 777 linuxrc #ls -al -rwxrwxrwx1502 root533 08-10 10:56 linuxrc 启动却出现这种错误。请各位大侠帮忙分析一下 ,多谢!

EDIT: I saw some more detail on what the error is that is printing when I try to install modules. starting pid 741, tty '': '/bin/sh' Cannot run '/bin/sh': No such file or directory process '-/bin/sh' (pid 741) exited. The reason why your Kdump kernel is panicking is because it is trying to load with bad parameters. http://bovbjerg.net/cannot-open/vfs-cannot-open-root-device-sda3-or-unknown-block2-0.php Now, you understand how Kdump assembles its command line, piece by piece, taking from your stock kernel, removing lots of stuff and adding its own.

VFS: Unable to mount root fs via NFS, trying floppy. The solution is very simple, but it may not appear that way if you try to debug on your own or hit the Web search for solution. share|improve this answer answered Sep 30 '13 at 12:25 madcap66 1 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Several reasons can result in such a failure: the kernel configuration is missing drivers for your HDD controller (cases 1, 4, 5) the kernel configuration is missing drivers for the bus

Again, we need to refer to /proc in our running kernel and see what is currently in use.