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Questions tagged [kernel-panic]

107 questions
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Auto-Reboot on Kernel BUG (not tainted, “fixing recursive fault but reboot is needed”)

I'm running a sometimes highly loaded Debian 7 VM with the latest 3.2.x kernel on a XenServer 6.2 host. Sometimes this VM runs into the following state: Ping is okay, All Services unreachable (including SSH) A message showing a trace + "kernel BUG"…
Julian Kessel
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Migrate CentOS VM using LVM on IDE to run with VirtIO

I'm trying to migrate existing IDE-using, LVM-based CentOS 5.2 VMs to use virtio. The symptom is a kernel panic upon boot when the system can't find any volume groups. Does anyone know how to make this work? I created a vm install that didn't use…
Jerry Seutter
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Command to output panic/reboot history in FreeBSD

Many years ago while dealing with a FreeBSD (5.3?) box that randomly panic'ed and reboot (bad memory as it turned out), I came across a command in some forum post that when used would output information about previous reboots including the panic…
Donald Byrd
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Out-of-memory kernel (3.2.0) panic (Debian 7.3) even though offending process was killed

While attempting a backup of a pretty large folder (450G) to a 2TB drive that's in that server solely as a backup destination rdiff-backup (version 1.2.8 - last marked stable) caused a kernel panic. System: Linux giorgio 3.2.0-4-amd64 #1 SMP Debian…
Mörre
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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 reboot the server, but on start we got a kernel…
Jon Story
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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). machine not coming back message on screen: Memory for…
gonfi
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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; the machines have dual quad-core hyper-threaded…
Jon Watte
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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 bash using script so anything written to the…
Steven Williamson
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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 remotely forward this over to another…
drewrockshard
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Kernel panic issue: How to fix hung_task_timeout_secs and blocked for more than 300 seconds?

My server is CentOS7 64bit going under kernel panic issue and rebooted after everyday around 7 to 8am. Here is part of dmesg [ 536.606448] tun: (C) 1999-2004 Max Krasnyansky [82341.807403] INFO: task sync:6493 blocked for more…
kuldeep
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Kernel panic when booting qemu virtual machine

I usually install template virtual machines on a dedicated server and then copy the disk to other production servers. It has worked for years and still works today in all cases but one. I have created a virtual domain on debian-8.1 / libvirt-1.2.9-9…
Chebarbudo
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Get ecryptfs to work on centos7

How can I use ecryptfs on REHL/CentOS 7.4? ecryptfs is not enabled by default in Centos7 kernel config. When I enable and build the kernel, I can mount a lower ecryptfs directory into an upper directory, but get a kernel panic when doing "ls" on the…
Eric
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XenServer 6.2 - could not find filesystem '/dev/root'

We have a Citrix Xenserver 6.2 install. Today we had an incident where power to the server was suddenly cut off from the server. It had been running for quite some time without issue. It has quite a large volume in a hardware RAID5. The message we…
R. Var
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How to reliably capture Linux kernel log messages in case of a system debilitating crash (BUG, panic)?

I'd like to have access to the lines/tracebacks/whatever whispered by the kernel right before dying. This has proven problematic, because all interfaces I have access to become disabled. Post-reboot, systemd journal has not been able to record…
lkraav
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After Upgrading to Ubuntu 15.10 from 15.04, EC2 Webservers are Crashing

I have a variety of Ubuntu machines on EC2 running in production, with about 30 that were upgraded from 15.04 to 15.10. With most of the machines, the upgrade went flawlessly and experienced no issues at all. However, 10 of my webservers have…
Will
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