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Questions tagged [server-crashes]

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Server experiencing Kernel-Power Event 41, but only once every two weeks

I go to check on a client's servers once every two weeks as part of an IT contract. For the past month and a half, their secondary server will experience a sudden shutdown and generate the Critical ...
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1 answer
63 views

Apache Hangs for 20 mins ever few days

I am having a heck of a time figuring this out. Apache, every few days hangs for about 20 or so minutes and then "comes back to life". This has happened during the middle of the day, it's ...
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  • 335
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2 answers
121 views

Server random freeze and boot only with cold boot

im facing extremely weird issue regards one server, it random freeze/hang with no output on server, and not responding to short keys, and required cold boot, when boot with cold boot, no errors on ...
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No Crash Log on centos 5.13 kernel

My System has multiple kernel installed on it. when the server is booted on default kernel the crash logs appears in /var/crash on each crash but when system is booted on another kernel which is ...
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3 votes
1 answer
976 views

certbot renew crashes nginx and all websites go offline

When sudo certbot renew command is run, nginx server is crashing. The error log in systemd looks like this: - The job identifier is 48862. Sep 01 11:31:52 phoenix.medialab.ntua.gr systemd[1]: nginx....
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Why does my Ubuntu 16.04.6 LTS randomy reboot?

I have a supermicro 1U running Ubuntu 16.04.6 LTS. The problem I am having is it reboots at what appears to be random intervals; it can go 2 days between reboots or it can go 2 weeks between reboots. ...
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1 vote
1 answer
243 views

GPU server freezes during GPU idling

We have a new Supermicro Server AS-4124GS-TNR equipped with eight NVIDIA RTX A6000. The OS is Ubuntu 20.04.2, the NVIDIA driver version is 460.73.01 (no Nouveau driver used), the CUDA Version is 11.2. ...
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1 vote
1 answer
254 views

Interpreting SMART Logs of Newly Installed NVMe RAID0 Crashing Everyday

An Ubuntu 20.04 system has been stable for a year until a 2nd and 3rd NVMe drive is installed on the motherboard to form a 2x1TB RAID0 array. Ever since then, there is huge amount of IO load on this ...
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2 votes
2 answers
981 views

MariaDB memory spikes and crash

We are running a MariaDB 10.5.8 server on GKE with 16Gb of RAM. The server have multiple times a day unexpected memory usage spikes that crash the server 1day memory usage graph (orange line is k8s ...
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1 vote
0 answers
642 views

Ubuntu Server 20.04 freeze/unresponsive, kernel BUG: Bad page state in process

Server Information: Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal today I noticed my new Server crashed/froze. It did not accept any ssh ...
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How to determine what is crashing our systems (CentOS 7) from kdump?

we currently have 3 out of 3 systems running CentOS in the exact same hardware and software configuration but are experiencing random system hangs. The occurrence can happen randomly as short as 20 ...
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3 votes
0 answers
2k views

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 ...
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0 votes
1 answer
136 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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2 votes
0 answers
858 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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1 vote
1 answer
37 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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3 votes
1 answer
1k 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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2 votes
0 answers
90 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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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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  • 123
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1 answer
327 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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2 votes
0 answers
291 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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6 votes
2 answers
563 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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  • 339
2 votes
2 answers
283 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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0 votes
1 answer
572 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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2 votes
3 answers
8k 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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2 votes
1 answer
486 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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0 votes
1 answer
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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/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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1 vote
0 answers
229 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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  • 109
1 vote
2 answers
410 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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1 vote
0 answers
53 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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0 votes
1 answer
276 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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1 vote
0 answers
55 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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1 vote
0 answers
533 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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2 votes
2 answers
4k 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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1 vote
0 answers
44 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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  • 161
1 vote
1 answer
1k 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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  • 292
0 votes
3 answers
3k views

Mysql server crashes without leaving 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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0 votes
0 answers
46 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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0 votes
1 answer
112 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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5 votes
5 answers
8k 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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  • 1,697
0 votes
0 answers
164 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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  • 335
1 vote
0 answers
738 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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1 vote
0 answers
741 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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14 votes
3 answers
83k 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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6 votes
0 answers
5k 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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1 vote
1 answer
447 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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0 votes
1 answer
1k 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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-1 votes
1 answer
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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3 votes
0 answers
939 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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6 votes
2 answers
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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