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Questions tagged [server-crashes]

249 questions
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Put NIC under heavy load

I think I've got a faulty NIC so I want to put it under heavy but controlled load to see if and when it dies. How can I generate such a load? The NIC is in a Hyper-V host with Windows and Linux guests running on it so tools or methods for either…
Greg B
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Ubuntu 12.04 Randomly Reboots

Im sorry if this starts really vague, but i have no idea where to turn. We have 4 dell R610 servers with 2 x 2.8GHZ Intel 5650 and 16GB Ram. These servers just randomly reboot themselves here is the last couple reboots of Server 1 reboot system…
Liam
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Server usage topped 100% and crashed - how to diagnose and prevent

I'm running a small webserver on Ubuntu 12.04. Last night, the server topped off at 100% cpu usage and crashed. This is unusual as I'm normally around 1-5%. I suspect a DDoS attack from someone related, but I'm not certain. I searched apache logs,…
user1732521
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Server crash : "unable to handle kernel paging request"

My fresh new Ubuntu webserver randomly crashes with the following error in the syslog. It doesn't respond anymore and I have to do a hard reboot. It happens almost one time a day. Server kernel is : Linux 3.10.23-xxxx-std-ipv6-64 #1 SMP Mon Dec 9…
Antares
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Memcached Service Crashed Every Morning

I have Memcached 1.4.17 Install on CentOS server to serve a PHP website. The problem is every morning the Memcached Service will be crashed. Any suggestions?
Tester
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I can't log into my VPS. Email server up, SSH down, HTTP down

I can't log into my VPS. SSH gives the following error. All the web servers are down. They connect, but do not serve content. However, the email server is still working. The server responds to ping as well. Burst.net support is worthless and…
Chloe
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Windows 2008 started crashing regularly every week

For the last couple of weeks my server have been crashing like once a week and usually during the weekends when nobody is using the Server in the Office and before that, my server was very, very stable. I've been trying to find the source but I…
Santi
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Apache can crash due to unable to wtite coredumps?

apache coredumps are increasing by leaps and bounds, is this possible that while trying to write the core sumps and not able to do so because of no space left can crash apache server itself? I am trying to figure out the exact reason for which…
arpitr
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2.6 Kernel Linux with EXT4 running HTTPD; power cord gets pulled out, what happens?

Can someone explain to me the ramifications of this? CentOS 6.3 with httpd 2.15, with one mod perl site and one php site. Someone pulled the power cord right out. I heard from one person that the journal will take care of everything when it comes…
user160910
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Why does the mysql backup grow if a table is crashed?

I use this backup script on my debian squeeze server to create a backup of all mysqltables: #!/bin/sh BACKUP_DIR=/var/backups/mysql/ DATE=$(date +%Y-%m-%d) for i in /var/lib/mysql/*/; do dbname=`basename "$i"` mysqldump "$dbname" | gzip >…
rubo77
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How can i find out what crashed my Windows Server 2008 R2 box?

My file server just went belly up and I can't seem to figure out why. Perhaps I'm naive but when these things happen I can typically look through my System, Application or Security Event Viewer log and find the culprit - but no luck this time. While…
DKNUCKLES
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Linux server hangs and memory hits zero

I run a Debian Linux server (with Apache 2 and MySQL) on a virtual private server with 256 MB memory. (I also use swapspace package.) The system hanged. The memory graph (provided by the hoster) showed that the used memory felt to almost zero…
porton
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Explanation for kernel error - Eeeek! page_mapcount went negative

Internet says this is a genuine Kernel Bug but does anyone know what triggers it?? Server running CentOS x86_64 with kernel 2.6.27.24 Here is my crash output: [root@u15345757 httpdocs]# Message from syslogd@ at Thu Aug 6 01:42:22 2009 ... u15345757…
Aditya Advani
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Nginx stops serving passenger app (503)

I'm deploying a rails app through passenger and nginx (utilizing an elastic-search server which is running on the same machine) on a Ubuntu system. This works perfectly for about twelve hours. Then, the servers only response is a 503 message.…
panmari
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Asterisk server warning "Unexpected control subclass"

I am not sure why, but our asterisk server keeps having loads of agents (15) on status ready and calls waiting for them, it seems to be griving us this error in our event log. WARNING[7159] file.c: Unexpected control subclass '-1'
RussellHarrower
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