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Questions tagged [server-crashes]

249 questions
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Server crashed, some MySQL databases are broken. Trying to recover with InnoDB recovery, but ibdata1 seems corrupt

I've a problem. Some days ago my root server crashes after a power outage. I realised that the MySQL server won't start. In the logs I find out that an error occured with InnoDB's ibdata1. I've tried the automatic InnoDB recovery program…
Jonniboy
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Cannot start kdump

My system always crashes down. So I decided to enable kdump to see the problem since I was not able to see possible errors on the log files. I followed the steps to set up kdump from a site here. My server runs on CentOS 5.8 and 16GB RAM. Below are…
Pelang
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Avoiding memory full -> swap full -> crash

I'm experiencing an issue when sometimes the memory gets 100% full, and the swap file also, and the server becomes non-responsive and has to be restarted (causing also problems in database). This is what Cacti shows: The server is running a…
Noam
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Debian Linux server locked - no clues in the logs?

I had a server lock up this morning. Here is a screen shot from the console: None of the messages from the screen shot mean anything to me. I have a feeling that the important stuff probably scrolled off the console. I can not find any of the…
Curtis
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How to track down the cause of Windows Server 2008 crashing?

I have Windows Server 2008 running under VMware. Recently, its started to crash roughly every day, with continuous 100% CPU utilization, and no response in the GUI. Is there a step-by-step technique to track down the source of this problem? What…
Contango
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How to find out, why a server hangs, but is still reachable with ping

One of my servers, which runs in a german data center "hangs" every night, but i cant find out why. No errors are found in the /var/log/messages and /var/log/syslog. The server responds to ping, but all services are down (ssh, apache, ...). After a…
Martin Schlagnitweit
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Ubuntu 10.04 server crash

I'm running an Ubuntu 10.04 (x64) as a web/mysql server. The server became unresponsive to SSH, Ping, HTTP etc. and the technician with physical access to the machine sent me this screengrab…
JamieNewman
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Windows 10 KVM guests cause Ubuntu 20.04 host to crash (revised)

I got extremely confused and decided to re-write the question from scratch, so if some of the comments do not make sense, that is why. Apoplogies to anyone whose time I wasted. I am having a problem with my entire system freezing when using KVM…
Stonecraft
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What causes these strange characters (@^@^@^@^) in /var/log/messages?

One of my servers stops responding occasionally, today I checked the logs and I seen the attached entries. I assumed it uses too much memory and crashes, but seeing this log, I am not sure, what can cause that strange line (@^@^@^@^) right when…
adrianTNT
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PCIe: Why pciehp gives contradictory log info

I am running fio jobs on my NVMe SSD and hotplug it then. The platform is hot-pluggable and the system is Centos 7.0.Several seconds after my plug-out, the system encounters a crash and gives these print info: ================ [ 1026.468414]…
Leo Erzhuo Chen
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Bad Sector on disk causes the whole server to crash

Our dedicated server's hard disk was recently diagnosed with bad-sectors, and each time certain data on the disk are about to get accessed, the whole server goes non-responding before i i issue a restart over robot panel. We asked our server…
chakmeshma
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MS's Apr 10 update sends Server 2008 R2 to recovery mode

Just applied the April 10, 2018 MS patches to a pair of Windows 2008 R2 servers running under VMWare Workstation 7.1.6 build-744570. Host is a Dell Precision 4800, 32GB, i74800MQ CPU with Win7 pro. Both server instances bluescreen when starting:…
mnemotronic
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Opening a linux-crashdump dump with crash?

So I've been trying to debug a weird intermittent kernel crash for a server running Ubuntu-Server 16.04, which has had me stumped for ages, and so I installed and setup linux-crashdump following the Ubuntu wiki crash dump recipe. After waiting for…
Haravikk
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Server crashes once an hour, but nothing special is running at that time

Today my Ubuntu 12.04 server started crashing once an hour. It's actually right at minute :32, every hour. It seems to be an actual kernel crash, i.e. there's nothing in /var/log/syslog, it just stops. I even wrote a script that printed out the time…
felwithe
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KVM based VPS crashes every 3-7 days. Is it an issue on VPS side or node's?

I'm wondering could it be so that a VPS is a root cause of crashes which occurs every 3-7 days at night 03:00 - 04:00 time (kernel bug, or something else), or is it a node on which the virtual server is hosted (an issue with backend). Details: KVM…
Alex
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