Questions tagged [server-crashes]

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39 views

several times Mariadb failure

I have vps with mariadb installed on centos 7 the problem is mariadb keeps crashing I've tried so many solutions but no good answer fixes my issue here is my tail -60 mariadb.log Server version:...
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Issue with production kiosk setup with Chrome

We have 6 touch kiosk (4k resolution) running Ubuntu 18.04 Linux, Google Chrome browser and Vue.js application inside. Specification: PC: https://www.hpmarket.cz/productOpt.asp?konfId=4KX74EA 8GB ...
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27 views

Ubuntu18.04 Server crashed after installing nvidia-driver-435

I installed nvidia-driver-435 on an Ubuntu 18.04 server with 8 pieces of 1080ti(using my own notebook win10 by MobaXterm)(without uninstall the old version(I am not sure if there is one) During the ...
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182 views

random reboot - event id 41 (63) with no bugcheck code

For a few weeks now, I get some random reboots on a Windows Server 2012 dedicated server. Those reboots come with the Event ID 41 (63). No BugCheck are associated to this event as you can see with ...
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51 views

Does Tomcat isolate applications?

I'm not very familiar with Tomcat/Catalina or Java, so please forgive me if I'm missing something obvious. We have two Tomcat applications running on the same server. One of these is still early in ...
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0answers
94 views

Memcached fails/crashes every few hours

I have a CentOS 7 server with Memcached. There are a lot of requests, and usually after a few hours, the memcached daemon crashes. I always restart the service, but it crashes again a few hours later. ...
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1answer
35 views

/var got misteriously renamed in /var.1 on CentOS6 server

On one of ours CentOS6 servers /var got renamed to /var.1 tonight (around 3.24 am) and a new empty /var folder was created. Not surprisingly, it crashed soon after that. Circumstances: Over the ...
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1answer
314 views

Troubleshoot random server freezes without log entries

We are experiencing a very particular and unique problem on our C# application which is running under .NET framework 4.7.2, in kiosk mode on Windows 10 Operating System that runs on a Lenovo ...
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0answers
66 views

What causes these strange characters (@^@^@^@^) in /var/log/messages? [duplicate]

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 ...
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885 views

KVM machines crashing in proxmox

I'm have a domestic proxmox installation which was running fine for a month or two. Recently, I started to have issues with two of the Debian-based virtual machines: the one that I use as router and ...
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1answer
166 views

SBS 2011 fine until you login - Crash

Never come across this one in my time with SBS 2011. The server boots up fine to the Ctrl Alt Del screen. If you leave it there all email etc works fine, but if you login the screen goes black and ...
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0answers
186 views

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 ...
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2answers
335 views

At my wits end. What could cause my server to randomly hard reset? (Seems to be related to ZFS)

I have a server that I built years ago that has worked like a champ. But within the past few months it has started to become seriously unstable with no discernible pattern. I have been debugging it ...
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2answers
117 views

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 ...
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1answer
305 views

Proper way for memory testing on a server

I am a self taught system administrator at a little company. Our DC (which is a windows server 2012 r2 virtual machine running on a ESXi 6.0 host) recently started to crash with a BSOD at random in ...
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2answers
3k views

Apache2 Fails to start after recent update to 2.4.34, no clue why

At 7:57:18PM last night, July 17th Apache2 shut down and quit working. I didn't notice until earlier today (the 18th.) Updates Occurred: /var/log/apt/history.log shows that there were 3 updates ...
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1answer
474 views

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. ...
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1answer
1k views

ESXi 6.5 Pink Screen of Death [closed]

I have a server that seems to be cursed. Every 2-5 days it fails (I'm still pretty new to this stuff) I've spent the last couple weeks or so trying to find solutions. But I'm clearly not getting ...
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849 views

/autodiscover/autodiscover.xml crashes my VPS?

Last week a VPS crashed multiple times and I try to figure out, why. There is a pretty high amount of 404 in apache's log for /autodiscover/autodiscover.xml The logs aren't in chronological order … ...
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113 views

IIS manager crash on adding ftp site

This is the first time i want to run ftp on this server, Just added the WebServer then FTP role and IIS manager will crash on adding a ftp site, Adding Website works fine and there is a Website ...
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2answers
201 views

PHP script causes server shutdown

I have a centos server with 4Gb RAM. I'm doing a PHP console batch process that may take some hours... however it doesn't finish as the server shutdown after 1 or 2 hours from lauching the process... ...
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0answers
47 views

99% wa shell locks up, load at 19 crashed root filesystem?

I suspect my root file system crashed. tail /var/log/syslog => locks dmesg doesn't show anything interesting I figure I can reboot and rebuild the system if necessary as its imaged, however I'm ...
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1answer
209 views

How to decrese MySQL Innodb crash recovery time (force MySQL to do it faster)

I'm running MySQL 5.7 with 1GB of innodb_log_file_size on CentOS 7 x64 and I can't change the value of that parameter right now. In the case of crashes, it takes about 20 minutes to recover, but ...
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0answers
49 views

Server not initializing some procesess after crashing and rebooting

I have an HP ProLiant DL380 G7 server, with Intel Xeon. I also have it with RAID 1 level on its HDD's. It has Ubuntu 16.04.3 LTS running on its SSD's. Now, my problem is that sometimes power surges ...
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0answers
454 views

Windows Server 2016 running off iSCSI BSOD after power loss

I've got a setup where I'm hosting the Windows Server 2016 images on a Solaris 11 ZFS SAN over iSCSI. These images began as baremetal installs then I used Clonezilla to clone them to the dedicated ...
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2answers
3k views

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 ...
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33 views

Loss of communication with openSUSE 13.2 server

Around three times a month (in varying intervals) I lose all communication with one of my (hardware-wise very old) servers. It simply stops answering to any network requests and even directly plugging ...
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1answer
729 views

How to find out why my Ubuntu server is crashing each day

I have been running Ubuntu server 14.04 for around two years. But sinds a few weeks the server crashes and burns each day. It is unclear to me why this is happening. I checked log files in /var/log ...
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3answers
892 views

Mysql server crashes without lefting any log behind

I've a mysql server (v5.6) running on ubuntu server 10 x64. It's always up and running with a medium traffic, but every while it crashes & restarts without lefting any log message behind, after ...
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43 views

Why does my server suddenly restart?

I have a VMWare ESXI Hypervisor and its been working fine for the past 4-5 months but suddenly it's started randomly crashing after what seems to be under load. There are 2 VM's on this hypervisor ...
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1answer
99 views

bsod dmp file on server

I have a BSOD. It seems to be hardware related. after looking at it a bit deeper I think it's a CPU issue. Am I a wrong? Crash Code: WHEA_UNCORRECTABLE_ERROR (124) A fatal hardware error has occurred....
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5answers
7k views

Why does my debian server freeze?

I installed Debian 9 ("Stretch") in a virtual machine hosted on ESXi 6.5 The OS is up-to-date and nothing else has been installed but VMware tools. Sometimes when I execute a command, the server will ...
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0answers
138 views

Midnight server went down, can decipher the logs

Last night our main web server went down and in the course of 3 minutes the syslog went nuts. I really am having a hard time deciphering whether the syslog is showing my symptoms of an underlying ...
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0answers
545 views

HyperV VMs randomly started freezing

Got an odd situation I can't work out. HP Hypervisor running windows 2012r2 recently has started freezing the VMS. There are 4VMs on the hypervisor (all windows 2012r2). About once a week it seems the ...
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0answers
525 views

Kernel-Power event every 15 minutes

Been having an issue since about 12 hours ago on our Windows Server 2016 instance: Note the time pattern - every ~2 minutes, then every ~15 minutes. It's been doing this without fail. If I'm RDP'd in ...
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3answers
49k views

How to determine cause of system crash?

My server crashes about once a week and does not leave any kind of clue as to what's causing it. I have checked /var/log/messages and it just stops recording at some point and starts at the computer ...
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0answers
3k views

Server went offline for no reason except SIGINT?

We had a system go offline this morning. The only thing in syslog is: Mar 20 15:27:15 fooserver systemd[1]: Received SIGINT. Mar 20 15:27:15 fooserver systemd[1]: Starting Synchronise Hardware Clock ...
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1answer
210 views

Crash utility exit with error in Rhel6.6

Crash utility fails with below error. crash /usr/lib/debug/lib/modules/2.6.32-504.el6.x86_64.debug/vmlinux vmcore crash 6.1.0-5.el6 Copyright (C) 2002-2012 Red Hat, Inc. Copyright (C) 2004, 2005, ...
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1answer
870 views

Programs crash after joining the server into a Domain

UPDATE: Problem solved We decided to upgrade the computer from Windows Server 2008 to Windows Server 2008 R2, after reboot, all the problems where fixed. Every app can be executed from domain users. ...
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1answer
2k views

diagnose purple screen of death ESX 6.0

Our server keeps crashing with a purple screen of death. I have tried interpreting the crash dumps but to no avail. I have an HP Proliant DL360 G7 with ESXi 6.0 running on it and I have other ...
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0answers
681 views

How to determine the cause of random reboots on fedora linux server

I have a f23 linux box running as a dev server, and several times over the last few weeks I've come to log into it and found that it had been reset. One time it rebooted right in front of me, and ...
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2answers
2k views

Server freezes without kernel panic

We are running a KVM node which is crashing irregularly showing a very strange behaviour. The interesting thing is that we already had this problem with another node which crashed every 1-2 weeks. As ...
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1answer
162 views

Private information in BSOD *.dmp files

Does BSOD dmp files contain any private information (keys, passwords, etc)? Can they be shared without any risk of vulnurabillity?
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0answers
101 views

Debian Server unexpected stopped

Last night one of our Debian 7 Servers unexpectedly stopped working. I've never seen such a "crash" before, so i hope someone here can give me a clue what happened here. System Infos: Debian 7.11 @ ...
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3answers
159 views

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....
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0answers
542 views

Proxmox system rebooting without any reason? ^@ logged to syslog

yesterday my proxmox-server rebooted hard without any reason that I could see. The logs are showing Sep 1 15:13:47 example kernel: [4514929.741761] Firewall: *UDP_IN Blocked* IN=vmbr0 OUT= MAC=ff:...
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1answer
177 views

System crashed - After reboot logs contain “^@” [duplicate]

I mentioned that my linux-server crashed suddenly without any warning. In the syslog the following is shown: Sep 1 15:13:47 example kernel: [4514929.741761] Firewall: *UDP_IN Blocked* IN=vmbr0 OUT= ...
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0answers
668 views

Windows Server 2008 R2 crashed and rebooted, user missing desktop folders

The server is Windows Server 2008 R2. The user is connecting with RDP to a remote desktop session on the server. The server stopped and rebooted on 08/16. When the user logged back in to their RD ...
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3answers
514 views

Can't connect to virtual server that shows 99% CPU usage

Our CPU usage showing 99% since last 24 hours due to this usage we can't able to connect the server through SSH. We are using this server for our Magento 2.0 webstore. We have rebooted the server ...
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4answers
6k views

How can you distinguish between a crash and a reboot on RHEL7?

Is there a way to determine whether a RHEL7 server was rebooted via systemctl (or reboot / shutdown aliases), or whether the server crashed? Pre-systemd this was fairly easy to determine with last -x ...

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