CentOS 5 :: Kernel Panic - Disk From Array Failed
May 6, 2009
I have an old server based on Tyan Thunder LE-T (s2518UGN),: embeeded VGA - ATI Rage XL two Intel Pentium III (PGA370) processors at 1133 MHz 512 MB ECC RAM embeeded Dual Intel 82559 LAN controllers 10/100Mbps embeeded Adaptec 7899W NT Ultra160 SCSI Adaptec SCSI RAID 2000S (PCI card to support for bootable RAID 5) 3x Seagate HDD ST318438LW connected in RAID 5 instaled OS was RedHat 8 rack case (2U) It worked fine but one disk from array failed.
I provided backup and decided use two mirrored SATA disks Seagate ST3500320NS HDD ES.2 500GB with PCI SATA controler Kouwell KW-5125 (SiI3124 chipset) inserted through PCI riser card (2U case). (I can't replace old SCSI disk because it isn't available any more.) I disabled SCSI controler in BIOS and removed Adaptec SCSI RAID 2000S PCI card. I inserted PCI SATA controler connected both SATA disks and configured mirroring.
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Feb 13, 2011
Dell laptop booting from a USB stick with a CentOS 5.5 minimum installation.
Uncompressing Linux...OK, booting the kernel.
Red Hat nash version 4.2.1.13 starting
sda: assuming drive cache: write through
sda: assuming drive cache: write through
mount: error 6 mounting ext3
mount: error 2 mounting none
switchroot: mount failed: 22
umount /initrd-dev failed: 2
Kernel panic - no syncing: Attempted to kill init!
1. Does minimum installation not drop on a kernel or initrd with ext3 support? I can't imagine that's true, but have to ask.
2. The USB stick is single partition ext3. Maybe there is some limitation specifically related to USB stick booting that requires boot to be FAT16 or FAT32? Except the CentOS 5.5 installer refuses to let me install on either FAT.
3. How can I do the equivalent of lsmod on a linux installation that will not boot? i.e. I have CentOS x86_64 running in VirtualBox, I can plug the USB stick in there, so how do I get information on the USB stick's kernel and initrd if I can't boot from it?
4. Is it possible to rebuild the i386 based initrd on this USB stick, when the computer is not booted from that stick, with a system that's x86_64 based?
System Info:
Dell Latitude i686 Laptop which has run CentOS 5.5 and Fedora 12,13,14 in the past, and boots from Fedora 14 Live CD transferred to a USB stick. So I know USB booting is possible on this machine, and this stick.
The process of creating the stick:
CentOS 5.5 i386 on a USB stick. Old Dell i686 laptop which has previously run CentOS 5.5 installed from DVD, and has successfully booted from this same USB stick holding transferred Fedora 12,13,14 Live CDs. CentOS 5.5 was installed onto the USB drive directly by the CentOS 5.5 DVD installer (running virtualized in VirtualBox 4.02 on Mac OS X 10.6.5.). No errors or complaints during installation.
For whatever reason, the installer did not do some things correctly. First Grub wasn't working correctly, I got that sorted out and have the Grub+CentOS splash screen, it finds vmlinuz and the initrd, and then I get a kernel panic.
Ext3 was built into the kernel and that's why I'm getting this message. I do not know how the installer would have dropped a kernel or initrd during instalation that that don't contain such a basic thing that obviously comes in linux kernel 2.6.18-89 EL.
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Oct 12, 2009
I've had a Centos 5.3 zimbra mailserver set up for about 3 months now.Every 7-10 days or so, the system will do a kernel panic and I've been putting off its resolution due to other matters.I'm now ready to look into it but I have two issues :
1) No logs.
So far, I've manually rebooted when a kernel panic occured and could look at the panic printout and write down relevant info. But since I wanted more info than I had written down, I went hunting in the logs for the kernel panic event (one happened earlier today) but, to my surprise, I noticed the system doesn't log the kernel panic at all. Kdump is currently disabled as I'd like to keep all available memory available to the system but I was under the impression it would log the kernel panic message regardless but would simply leave out more advanced diagnostic information.How would I make sure the kernel panic is logged so I can have more info about it ?
2) The actual panic.Here's a snippet of what's appearing when the kernel panics :
EIP c0467136 page_remove_rmap+0x66/0xc0 SS:ESP 0068:c3ca6ddc <0> Kernel panic - not syncing: Fatal Exception
I've also seen f793bee4 instead of the highlighted part above but everything else is always the same from the times I've seen (as I haven't always had the chance to be around when a panic occured).I'm looking further into it at this point but early research seem to indicate this could be a memory issue. I'll run memtest next weekend to check that out (since I don't want to take the system offline for any length of time during office hours) but people here might have other theories based on what I've put up so far. The system has all of the latest patches and updates and is running only what I need as far as software goes (zimbra server + prerequisites, x + GNOME (not loaded on startup), firefox and vnc for windows RDP access). My system also uses a software RAID1 array (boot = md0 and / = md2 with swap files not being mirrored as there's no need to).
PS : In order to further troublehsoot by myself before posting here, I've tried to enable kdump to see if kdump is the culprit for the missing logs but I'm also having an issue with it. I'm getting a "No kdump initial ramdisk found" and "mkdumprd: failed to make kdump initrd" messages at startup. I'm thinking this might be because of my raid array ? I've found an old bug report regarding one of those error messages on centos 5.2 but it was supposedly fixed in the 30 version by RH and I'm using the latest one (56).
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Feb 22, 2011
I got home today to find that my KDE login screen would not let me log in. It said the authentication process failed or something and I needed to terminate the screen lock process manually. So I go over to another virtual terminal and try to log in. As soon as I enter my user name, a bunch of errors come up and I am unable to log in. "This can't be good" I think to myself, and reboot.
I am greeted by this error upon booting:
The error says that it says it cannot find /sbin/init. I loaded up a Ubuntu live CD and verified that /sbin/init is indeed present and all my other files still seem to be there. I tried booting into arch fallback on grub but that didn't work either. Midway through the day I SSHed my desktop from my phone and started it doing an upgrade. I was able to login.
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Aug 7, 2011
this is a dual boot XP/UBUNTU 10.04. while using XP, the computer rebooted itself. the GRUB's screen appears, but neither the ubuntu nor the XP option works.
Ubuntu gives this error message:
Code:
0.797795 kernel panic-not syncing: vfs: enable to mount root fs on unknown-block (0,0)
XP hangs on a black screen... and that is it (thanks for support windows!) UBUNTU 10.04 live CD hangs when the 5 processing dots appears bellow the ubuntu logo. hangs the same way with the processing bar in UBUNTU 9.04 live CD. memory check (memtest86) is showing thousands of errors right from the start.
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Nov 1, 2010
I am trying to install linux kernel manually, for this I had compiled linux-2.6.36 with minimum drivers and features. Note that ext2, ext3, jffs file system support and sd ata_piix drivers are set as inbuilt kernel modules.
I had two hard disk for my Intel x86 box sda and sdb. I have running linux on sdb from which I can access sda. sda has one partition sda1 as ext3 fs.
I had created following directories at sda1 root, bin, boot, etc, sbin
After compiling kernel, I had copied bzImage, system map files to boot folder. then using 'grub-install' I had installed grub on sda. after installation I edited grub.conf to setup kernel image.
grub.conf
Code:
After this I booted sda by changing HDD boot priorities,And wow I got grub prompt -- linux kernel booted but as soon as it tries to mount file system it dies with error,
Code:
I accept that I dont have binaries for init and no initialization stuff in /etc, but I think problem is I am not able to give correct rootfs to kernel.
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Jul 9, 2009
The first server I installed installed fine. The second server, installed with the same config, went to "kernel panic not syncing no init found try passing init= option in kernel" error. I tried reinstalling but it keeps going to that error after install reboot. The storage is ISCSI connected via Intel Server Adapter, which allows it to boot from ISCSI. Not sure if that's the cause for the problem, but the first server is connected to the same ISCSI and installed just fine.
Is there a way that I can make sure ISCSI module installs during installation? Although I think it is installed since it's able to copy the files and setup /dev/sda. I just wana make sure that it installs during setup.
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Mar 6, 2010
I am a Windows 7 user. I have two machines a laptop & a new bench top. Both machines run & boot Windows 7 very well. I use a very good program to clone my Hard Drive to an external USB drive. called Macrium Reflect. It is free and is a dream to use & very fast. This program creates a Linux based boot disk, which will allow you to find a backup clone file on an external drive to restore your hard drive. It works a treat on my laptop & has saved my bacon many times when I have messed things up fiddling with the registry etc.
The problem I am having is that my new desktop will not boot from the start up CD & returns the error kernel panic,not syncing cpu context corrupt. & then just tries to reboot again. I don't know what this problem relates to whether it is the computer hardware or the Linux CD or both. My laptop with the same OS does not have a problem, It is an Acer Aspire 5920G with 1.6ghz Intel dual core processor & 2gig Ram. The bench top has an Intel Dual core 3.3ghz processor, Zotac mother board & 4gig of Ram. both machines are running 32 bit OS.
I have browsed through the posts on this forum with people having the same error at boot, but as I am not using Linux & only using a boot CD I didn't think it appropriate to but into their threads. So I am hoping if some one can tell me is this a hardware issue or a Linux/New dual core CPU/ or Bios/Mother board issue. If it is a Linux issue then my Laptop surely would not boot would it? My bench top is only a week old and guaranteed, should I be sending it from Adelaide back to Sydney(purchased online from MWave) for fault inspection? or just take to a local Technician for a diagnosis. I am not having any hardware problem running Windows 7.
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May 21, 2009
I decided to try Linux recently. I downloaded CentOS-5.3-i386-bin-DVD.iso. Installation was successful but the OS reports Kernel Panic while booting. At first I can see messages:
Memory for crash kernel (0x0 to 0x0) notwithin permissible range
PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
PCI: Not usin MMCONFIG
The OS continues to boot, but then shows kernel panic.
I tried to solve this problem during several days. I've installed the OS at least 10 times changing conditions. I tried x86-64 version, disabled PAE in BIOS, performed manual partitioning without LVM. The result is the same.
My PC has Intel Core 2 Duo E8400 CPU (no overclocking), 4GB RAM (DDR2-800), ATI 3470 GPU. Windows is working smoothly on it, I can encode video during several hours without problem. All fans are working, the system is not overheated. MemTest86 showed no errors.
I've installed CentOS on my laptop (Core 2 T5600 CPU, 2GB RAM, Intel G945 Video), it works nice, i like it very much.
For testing I've installed OpenSUSE 11.1 on the PC, everything is ok, I'm writing this message from it.
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Aug 19, 2010
i m trying to install Centos 5.5 on a x86_64 machine i use kickstat and cobbler but during the %pre script the installation failed with the following message
kernel panic ; not syncing nmi watchdog does someone what can be the cause of that?
Here is the beginning of my kickstart file with the pre part
url --url=http://cobbler.int-evry.fr/cblr/links/Centos-5.5-x86_64
# If any cobbler repo definitions were referenced in the kickstart profile, include them here.
repo --name=el5-x86_64-rpmfusionnonfree --baseurl=http://cobbler.int-evry.fr
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Sep 19, 2010
Today I upgraded one of my computers with the following command
% yum upgrade
Before the upgrade the computer was running CentOS 5.3 with the versionlock plugin and kernel 2.6.18-128. The update went smoothly (no dependency problems).
If I try to reboot with the new kernel (2.6.18-194), I get the following:
Found volume group VolGroup00 using metadata type lvm2
2 logical groups in VolGroup00 now active
mount: error mounting /dev/root on /sysroot as ex3t: No such device
setuproot: moving /dev failed: No such file or directory
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If I reboot with the previous kernel (2.6.18-128), everything is fine.
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Mar 29, 2010
I have a Centos 4.8 linuxbox running in VMWare ESXi 4 and the kernel is 2.6.9-89.0.11.ELsmp. Recently, this linuxbox is quite unstable, it has kernel panic once a week... But we didn't have any configuration changes on it. And I have attached the kernel panic console screen and lsmod for the server.[URL]...
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Jul 1, 2009
I suffered a kernel crash today - then noticed a newer kernel was available, so I updated to it.However, it's since crashed again! Here's the message - can anyone tell me what's going on, is this a known issue or is it bad hardware?
general protection fault: 0000 [1] SMP
last sysfs file: /devices/pci0000:00/0000:00:00.0/irq
CPU 2
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Oct 4, 2009
I had been testing the this link Raid Setup
I can do this in the installation phase, no issue, but I have to know how to make it in a production server.
I follow, read and test the article 3 times without any success, went I try to boot my machine with the raid disk it show error about that cannot find my root "/dev/root"
mount: could not find filesystem '/dev/root'
...
setuproot : moving /dev failed: no such fie or directory
no fstab.sys
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But I still don't know what I have done wrong, this is my 3rd time that I try this without any luck, I'm running Centos 5.3 updated. Both disk are the same size.
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Jul 9, 2010
I installed CentOS 5.5 and after the install when the system reboot, it give me a kernel panic error saying that it don't find the drive /dev/sdb4. I didn't install Grub since Ubuntu is already present on the first drive. I let Grub2 OS prober install it in Grub menu. Here is the grub line:
menuentry "CentOS release 5.5 (Final) (on /dev/sdb4)" {
insmod ext2
set root='(hd1,4)'
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Nov 12, 2010
During boot from CentOS5.4 DVD and after choose linux rescue mode, encounters with error:
Code: 8b 5e 04 83..... ........ 3d c0
EIP:[<c0417656>]__modify_IO_APIC_irq+0x40/0x62 SS:ESP 0068:df94eed4
<0> Kernel panic - not syncing : Fatal exception
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Feb 21, 2011
I created a CD image of my CentOS installation using mondo. When I booted from this CD and, in the restore process, selected an option to test the integrity of the image, it got to a certain point and said: Failure to execute /init. Kernel panic - not syncing: No init found. Try passing init= option to kernel.The instructions say the kernel may need to be recompiled with certain options.Does anyone know if the CentOS kernel needs to be recompiled for use with mondo? If so, with exactly what options?I'm using CentOS 5.5. dmesg: Linux version 2.6.18-194.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat4.1.2-48)) #1 SMP Fri Apr 2 14:58:14 EDT 2010.
Unfortunately I don't remember exactly what command I used to test the integrity of the mondo image, and http:[url]....the source of the instructions, is currently down.
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Dec 12, 2010
how to rename disk array
# df -kh
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
444G 4.4G 417G 2% /
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Sep 12, 2009
Hardware config as following:
MB: Gigabyte g31m-s2l
[URL]
CPU: Intel PD 2.8G
RAM: Kington DDR2 800 512Mx1
HDD: Seagate 80G IDE x 1
Tried to use all netinstall, DVD install, i386, x86_64 and install parameters (like linux text, noapic, nomsi, nousb etc) of CentOS 5.3 install disk, after press 'enter' to start install, it shown kernel panic error and the system halt. From the error message, i just found maybe some error related to 'Intel i915'.
But when use CentOS 4.6 install DVD, the installation can go smoothly and system run without any error (even can't find the lan card) After search past post, someone claimed that this motherboard can used to install CentOS 5.2. Does anyone had exp. on using the MB to install CentOS 5.3?
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Sep 7, 2010
After a reboot, my PC just hang. It says "insmod : error inserting '/lib/raid456.ko : -1 File exists ..." then followed by a kernel panic. I have tried to boot using rescue mode but it couldn't find any Linux partition, thus no /mnt/sysimage was mounted. It left me at a shell and I'm stuck there.
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May 5, 2011
I have a couple of Centos servers, each connected to the Internet using its Static IP address. They are in the same physical rack. Is there a way I an get them to share a disk array. The disk array could be on one of the servers, or it could be separate SAN array.
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Feb 12, 2009
I have PC with motherbord P5KPL-AM (latest ver. BIOS), and i want installation CentOS 5.2.But can't screen attaching....
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Apr 2, 2009
After update to 5.3 and reboot I got this error. googling for it I found that it is a known bug in kernel REHL 5.3 and there is also a patch for it [URL]. I am very new to linux, so how to apply, or just wait for a new kernel?
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Apr 15, 2009
I recently bought a Toshiba Portege M200 tablet PC and it's caused me no end of grief to load linux on it. I would like to load CentOS 5.x (because my hosting company uses it and I will be able to learn as I run it).
Here are my resources:
I found internet resources to create a boot disk that enables me to see my 8GB Sony USB flash drive via DOS. It works nicely.
I have a laptop drive to USB converter and can access the hard drive directly from my Win XP desktop. I have PowerQuest's Partition Magic Pro (v8.0) and can make Ext2 and Ext3 partitions at will. I have also loaded a program that allows Windows XP to read and write from Ext2 and Ext3. It works well.
I have tried loading boot images from PXE. This option is mostly out because it seems to be a couple levels past my competency (I haven't been able to get it to work).
Given those resources, what's the best way to load either the CentOS live CD... or some other approach?
Since I wrote this, I figured out how to make a boot floppy that can start an external USB CD-ROM/DVD drive. Here are the files on the floppy:
Here's the contents of my config.sys:
Here's the contents of my autoexec.com:
I can boot to the CD and launch linld.com. The problem is that I keep getting a kernal panic message, saying that a memory block could not be addressed. And when I add the following part to the line above: "initrd=d:isolinuxinitrd.img" the install fails and reboots. I have tried to expand the initrd.img and it appears... blank?
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Aug 16, 2009
i have a problem with my graphic card when i put in my PC and start on my PC, i have panic kernel i give you the message
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Oct 29, 2009
I can cause the kernel to panic immediately with the following command. lvcreate --snapshot --name Snap --extents 100%FREE VolGroup00/LogVol00 The last line of the panic message is "<0>Kernel panic - not syncing: Fatal exception" If I create a snapshot of any other volume it works just fine. It only panics on LogVol00 which is my root fs.
I'm running 5.4 after update from 5.3. It didn't work with 5.3 either. This is a 32-bit guest running in VMWare Server 2.0.1 which is running on FC10 x86_64. I've tried the guest in both UP and SMP (2 cores) modes and observed no difference.
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Jan 15, 2010
I am getting :
exec of init (/sbin/init) failed!!! : 2
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init! My server is at remote end which I access through Public IP.
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Aug 15, 2011
I got a CentOS server + KDE from a server (which I had no contact until now), he had 2 HD's one for the system and another for files.
I brought the HD system home to try to make it run on a virual machine (VMware) so I can do some testing before you put in practice.
But already converted the VMware HD to the system, it tries to start but it shows some errors and in a message "kernel panic - not syncing: attemped to kill init"
I think the drivers are correct, has edited the file "/ etc / modprobe.conf" edited these entries equal to another I installed CentOS on VMware.
alias scsi_hostadapter mptbase
alias scsi_hostadapter1 mptspi
ata_piix alias scsi_hostadapter2
Look at the picture attached the full error.
Link to large image
Link to large image
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Aug 5, 2010
I have a server running Red Hat Enterprise Linux ES (2.6.9.55.ELsmp). When it starts up I get the following error: Uncompressing Linux... Ok, booting the kernel. Red Hat nash version 4.2.1.10 starting WARNING: can't access (null) exec of init ((null)) failed!!!: 14 unmount /initrd/dev failed: 2 Kernel panic - not syncing: Attempted to kill init!
After that I got no response from the OS. I have the installation CD, so I tried to start the rescue mode, while going through the steps I received an error stating that mounting to /mnt/sysimage failed and that if I want to I can access a shell. I really don't know what to do from here
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Aug 4, 2010
I have a situation where there are no logs in /var/log/messages and this has happened the second time during two weeks.
Snapshot of the screen was taken when this happened and the server was restarted. Since it's a time sensitive matter.
Snapshot:[url]
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