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Citrix XenServer 5.6 SP1 crash: kernel Oops

every 30-40 days my XenServer crashs. This is printed on console: Message from syslogd@ at Tue Apr 9 21:30:54 2013 ... xenserver1 kernel: Oops: 0011 [#1] SMP Message from syslogd@ at Tue Apr 9 ...
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3answers
237 views

Compiling kernel version >= 2.6.34 on CentOS 5: RAID set “ddf1_foo” was not activated?

I want to mount a Ceph FS on some CentOS 5 servers. Since the ceph-fuse failed with below errors: # ceph-fuse --no-fuse-big-writes -m 192.168.2.15:6789 /mnt/ceph/ ceph-fuse[7528]: starting ceph ...
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1answer
51 views

Debian server locked - find_busiest_group?

Just wondering if anyone sees any clues from the following screen shot as to what might have caused this server to lock up: This server also locked up 6 months ago, and I still have the screen shot ...
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1answer
59 views

Kernel panic during rsync

I am running OEL 6.4 (a RHEL clone), and rsyncing large files over ssh nightly. During the rsync, I regularly (most nights) get a kernel panic: Message from syslogd@cheshire at Mar 24 00:39:01 ... ...
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1answer
195 views

Custom Centos5 AMI kernel panic

I'm trying to build a Custom Centos 5 AMI on Amazon and during boot it kernel panics. I've spent almost a week on it and I can't figure out what's wrong. I've followed the following recipe: ...
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1answer
112 views

CentOS OpenVZ kernel panic when mounting ext4 truecrypt volume in nokernelcrypto mode

I am experiencing kernel panic when trying to mount a ext4 filesystem which itself resides on a truecrypt volume mounted using -m nokernelcrypto option. The system is CentOS 6.3, OpenVZ Kernel ...
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0answers
61 views

Server panic after configuring the memory usage for kdump

I tried to set up the kdump on my CentOS 5.8 system. I tried editing the /boot/grub/grub.conf and insert the line crashkernel=auto between the kernel and initrd entry. Then proceed on editing ...
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0answers
76 views

Debian server locked - does this console screen shot provide any clues?

I had a server lock up several months ago (actually it's almost been a year). At the time, I only had time to grab a screenshot of the kernel dump: The server has not locked up again, but I am ...
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2answers
473 views

Oracle Linux 6 kernel panic boot - anything I can do?

I'm running Oracle Linux 6 on a HP Proliant server. It's been running fine for the last week, but seemed slow earlier so the Oracle service was stopped. Rather than restart the service, I was asked to ...
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1answer
52 views

Kernel panic - not syncing: BRKADRINT

One of the machines on the network started beeping continuously and was unresponsive locally as well over the network. We shut it down keeping power pressed. Upon reboot, the boot stopped with Kernel ...
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0answers
175 views

Kernel Panic - not syncing VFS in RHEL6.3

My server is running RHEL6.3, and after shutting down, I am unable to boot up the server. I did not perform any upgrades or changes to the server prior to the shut down, and this is a new server ...
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2answers
66 views

Kernel Panic while compiling PHP

The server threw a 'kernel: Oops: 0000 [1] SMP' while compiling PHP 5.4.9. It crashed when I try it again just to make sure that it was the culprit. Other than that, the server works fine. Its ...
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3answers
320 views

Ext4 kernel panic

I'm getting such kernel panics: EXT4-fs error (device md2): ext4_ext_find_extent: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) ...
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1answer
104 views

How to log kernel panics without KVM

My server is crashing and I can't find an answer why. It all started after my datacenter upgrade RAM from 16 GB to 32 GB. I also found such logs in dmesg - they've started to show itself just before ...
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1answer
386 views

drivers/rtc/hctosys.c: unable to open rtc device (rtc0) after recompile on boot

After recompiling a new kernel on CentOS 6.3, using the same kernel I have been using on several other machines, I am getting a kernel panic on two machines. I get the following when trying to boot: ...
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0answers
83 views

OpenStack compute nodes kernel panic

I'm fairly new to the OpenStack world and have been working on getting our first cluster up and running. I've primarily been using this document http://wiki.debian.org/OpenStackPuppetHowto among ...
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2answers
138 views

How to get a kernel panic report

I have a server on datapipe clould. I am running ubuntu 12.04. My servers have been crashing in the sense that mmonit marks the server with a red dot and I cant ssh into the machine. This is due to ...
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1answer
679 views

md/raid:md2: cannot start dirty degraded array, kernel panic

After having made use of a remote power switch, my server did not come back online. When I went to the datacenter and reboot the computer on the spot I see the server booting (I see the centos ...
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0answers
307 views

Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-bloc(8,2)

I am a spanish speaker so excuse me for my bad english. I am learning how to compile slackware kernel, so I have downloaded linux-3.2.7.tar.bz2 from http://www.kernel.org Conditions: Slackware ...
5
votes
1answer
225 views

FreeNAS ZFS Kernel Panic

I'm running FreeNAS 8 and my computer had a hard reset from a power outage and now every time I try to boot I get the following error message: Error Message: panic: zfs_replay_acl_v0:898: unsupported ...
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1answer
222 views

Netconsole not working

I've gotten netconsole setup on a server that's been having a variety of kernel panics lately and I'm trying to log kernel messages to another server. I've tested netconsole after setting it up on the ...
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1answer
284 views

Sudden kernel panics on Linux server

A few days ago a server I manage had a panic, after 400+ days of uptime. I rebooted it and it worked for two days or so, then it hit an "oops: cpu#n stuck for 61s" for various values of n. Rebooted ...
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2answers
387 views

New kernel compilation on CentOS

I'm trying to compile and install kernel 3.2.9 for CentOS 5.6. I compiled new kernel and installed kernel modules: make && make modules_install I also created new initrd image: mkinitrd ...
2
votes
1answer
1k views

dirty degraded array, unable superblock, kernel panic

Machine: linux centos 5.4 with 2 hdds and raid 5 (yes, 3rd disk missing). Situation: all running fine (3rd disk missing) then a power off (system shut down itself when battery power ended). ...
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0answers
229 views

xen domU kernel panic with “alignment check” on 2.6.32-5-xen-amd64

I'm running 2.6.32-5-xen-amd64 on a domU with Debian stable and 6 vcpus. Without changing anything in the architecture 3 days ago it started throwing kernel panics on high load. I've researched online ...
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2answers
251 views

Issues debugging a kernel panic (custom kernel)

I'm looking to compile a custom kernel from the official source tree (kernel.org). The machine itself runs the latest stable RHEL kernel without issues but I can't seem to figure out why it's ...
0
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0answers
143 views

Server is crashing - kernel panic - screenshot

Can anyone decipher whats going on in this screenshot : http://i.imgur.com/pJ8FV.jpg My server keeps going down, my host rebooted it and took a photo of the monitor for me Server config: AMD 945 x4 ...
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1answer
337 views

Kernel Panic after Installation Issues with Ubuntu 10.04.3 LTS

Update 2 The installation from Update 1 was successful. Update 1 Just removed RAID10 from all six drives, and RAID10 configured only the first four devices. After doing so, the installation was ...
3
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1answer
269 views

Has anyone seen this kernel panic? What to do? (Ubuntu 10.04 LTS)

The last few weeks, we've been getting this kernel panic on one machine or another out of a cluster of 15, about one every four days. The machines are all running Ubuntu 10.04 LTS with Erlang R13B03; ...
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votes
3answers
862 views

Setting the timeout for HP iLO VSP in order to catch kernel panic

So i have a server that has locked up twice recently. What i want to do is catch any kernel panic/oops written to the serial console. I can ssh in and start the VSP and i'm running my SSH session in ...
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0answers
276 views

Fedora 14 storage server intermittently unresponsive

I have a storage server which intermittently freezes, becomes non-responsive. Components: norco 4224 14 x 2TB Western Digital Green Asus p5q-e sli intel core 2 duo e6700 2 x Crucial Ballistix ...
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1answer
572 views

FreeBSD guests running on ESX hang without panic log

We have three servers running on a same ESX host, all virtual disks are from a remote SAN storage controller. These tree servers hanged and restarted several days ago, and it happened to the DB server ...
0
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1answer
191 views

How do you track down kernel panic issues?

I've got a mac running as an office server which has it's share of kernel panics. I've tried reviewing the last item in the Console but I'm not sure if that's what I'm actually looking for or which ...
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0answers
157 views

Corrupted Kernel Output via Serial Connection

I have a server that Kernel Panics every once in a while, and I'm trying to get all of the output in order to debug it further. It is running RedHat 4, so the kernel version is only 2.6.9, too old ...
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2answers
2k views

kernel panic: Out of memory and no killable processes (SuSe on VMWare ESXi)

we have a server (ESXi virtual machine) at work that time to time gets frozen because of "kernel panic: Out of memory and no killable processes..." Host's memory is 12GB. Configuration of virtual ...
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2answers
1k views

What can be the reason for “Invalid module format”?

I'm following the steps to compile kernel 2.6.32 from source, and have no problem to go the the last step: ... make modules_install make install And I've also configured grub.conf correctly. But ...
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3answers
4k views

How can I see logs in a server after a kernel panic hang?

I am running a production gentoo Linux machine, and recently there was a situation where the server hung in my co-located premises and when I got there I noticed that the server was hung on what ...
2
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1answer
199 views

Debian Server Kernel Panic - Increasing Frequency

Server first crashed a week ago into a kernel panic and then rebooted, performed an FSCK and then came back up as normal. This then happened again this morning. Same panic, reboot, FSCK and then ...
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2answers
1k views

What can cause a kernel hang on redhat 4?

I've to solve a nasty problem on a ten machine "cluster": randomly one of these machine hang during an hard computation, sometime still ping sometime not. The problem was described me at the phone, ...
0
votes
1answer
130 views

Is it possible to install a new Kernel on an OS I can't boot into?

I just installed Debian onto an SD card via my laptop. I have now moved that SD card to my server and tried to boot from it. The error it's giving me is: This kernel requires the following features ...
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vote
3answers
799 views

Kernel Panic with gentoo boot (root partition not found)

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) grub.conf default 0 timeout 30 splashimage=(hd0,0)/boot/grub/splash.xpm.gz title Gentoo Linux 2.6.34-r6 root (hd0,0) ...
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4answers
384 views

IBM X3650 with Red Hat Enterprise 4.8 kernel panics with error on empty memory bank

I have 3 IBM X3650 load balanced (round robin) with Red Hat Enterprise 4.8. One of them has intermittent kernel panics and reports an error on 2 particular memory banks (3 and 5) which are empty. I ...
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2answers
2k views

How should I capture Linux kernel panic stack traces?

What's current best practice to capture full kernel stack traces on a Linux system (RHEL 5.x, kernel 2.6.18) that occasionally panics in a device driver? I'm used to the "old" SunOS way of doing ...
0
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2answers
611 views

kernel panic messages to another file

Is there a way to get kernel panic information to log to either the local machine via a log file (I'm assuming possibly no, since it's panic'd) or would I have to enable remote syslog or netdump to ...
2
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1answer
308 views

reboot on kernel panic and drac

Does anyone know if it is possible to have a DRAC5 make a screenshot of the console when Linux reboots (automatically) due to a kernel panic? Our current system doesn't reboot automatically when it ...
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2answers
502 views

Kernel panic almost daily, why?

Running latest version of CentOS 5 64. Get these almost daily, at totally random times. The box is a file delivery machine, that usually sends around 2.3Gbit Message from syslogd@localhost at Jun 28 ...
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2answers
1k views

Diagnosing Hardware Problem in Linux Server that's Kernel Panicking

We have a server that has been occasionally kernel panicking for a while now that we believe has a hardware problem. How would you go about troubleshooting hardware that you don't have physical access ...
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1answer
671 views

Debian Lenny syslog kernel messages

I've recently got a hard drive swap on my colo'd box. I reinstalled Debian Lenny on the new drive and setup everything. Recently I've been getting these messages from the kernel (viewed on the ...
2
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3answers
1k views

ext4 in debian 5 (2.6.26)

Is ext4 ready for production usage in debian 5 (with linux kernel version 2.6.26) ? Will it be stable, oops-free and bug-free?
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3answers
2k views

Failing to Mount Root on PXE Image

I got DHCP/TFTP working great with no problems today. I can PXE Boot memtest off of the server with no problem, so I know there's nothing wrong there. For some reason, the image I'm trying to boot ...

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