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3answers
586 views

MySQL 5.1.49 freezing every two days

our mysql system is "freezing" every two days. By "freezing" i mean the following: it doesn't respond to ping we can't login with SSH we don't get any answer from MySQL there is no entry in the ...
1
vote
2answers
4k views

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 ...
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votes
2answers
2k views

Crashing almost every minute

I have no idea why it's crashing. But here is some of my error log: [Thu Dec 29 03:23:45 2011] [error] [client 94.142.134.238] File does not exist: /var/www/phpMyAdmin [Thu Dec 29 03:24:38 2011] ...
2
votes
1answer
937 views

Why is Linux kdump not writing to /var/crash?

It's happened again! I have 4 servers which are crashing periodically, and there is no information printed to the system logs or the serial console. In addition, the Linux kdump service isn't writing ...
1
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1answer
90 views

CentOS 6.5 Server Lockup

Today one of our CentOS 6.5 KVM nodes from OVH crashed after 46 days of uptime and we were unable to find the reason why, we had this issue before with the OVH kernel on another server but this one is ...
1
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1answer
557 views

“show_signal_msg: N callbacks suppressed” then pegged at 100% and machine unresponsive

This happened on an Ubuntu 14.04 64-bit DigitalOcean Droplet: Apr 22 02:17:02 localhost CRON[32514]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Apr 22 03:16:59 localhost ...
1
vote
1answer
116 views

How to analyze a windows system hang (not crash)

I've got a customer with intermittent System hangs. The System in case is a Windows Terminal Server 2008R2 SP1. Sometimes one session in the Server will freeze. Everyone else can work as usual, but ...
1
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1answer
677 views

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 ...
0
votes
1answer
22 views

httpd trying to access root-owned session files

While looking into what's been causing a server to lock up/crash, I found many selinux messages in /var/log/messages. For example: setroubleshoot: SELinux is preventing /usr/sbin/httpd from getattr ...
0
votes
1answer
48 views

Server crash with ascii NUL characters in syslog ( ^@^@^@… )

I have some dedicated server hosted by a OVH (French service provider). OS : Ubuntu 12.04 x64 A few months ago, one of my server crashed. The only weird thing was some "ASCII NUL" caracters in the ...
0
votes
1answer
179 views

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 ...
0
votes
1answer
274 views

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: ...
0
votes
1answer
32 views

Activating ssl on tomcat

I want to encrypt the http traffic on a tomcat instance via ssl. Therefore I followed the most simplistic approach described on various webpages. But anyway it simply does not work. Here is what I ...
0
votes
1answer
122 views

BackupExec 10d crashing 2k3 server

There are two weeks now since I'm doing repository-like backup, because BE10d is crashing the file server. The computer is a NEC Express 5800, 2xXeon, 1 GB RAM, 4 SCSI drives in RAID 5 w/ spare, one ...
0
votes
1answer
218 views

Coldfusion crashing when I initiate debugging session?

I've been trying to hook up eclipse to RDS for a CF8 testing server I have in my office. Every time I try to test the connection, the CF8 application server service crashes. When I check the event ...
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votes
1answer
78 views

Main server fails and I want my backup server to take over

In a situation in which my primary server fails.I don't want my application to go down but the application to start fetching information form a backup server which is my Pc(Located someplace else) ...
3
votes
0answers
919 views

Analyzing BSOD dump file from Windows 2008 R2 SP1

I have a problem with a virtual Windows Server 2008 R2 SP1 server running withing VMWare. The server is running Citrix and also has Symantec Endpoint protection installed. It randomly crashes and goes ...
2
votes
0answers
111 views

top reports extremely high cpu-used time for all processes

The server was up for less than 10 mins, but top shows extremely high cpu-used time for all process[1] (more than million hours used), this is a 24 core machine. System eventually crashed in 10-15 ...
1
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0answers
79 views

Linux server crashing (drm:drm_fb_helper_panic)

We have a server (IBM x3850 8864) running Ubuntu 10.04 LTS. It's acting as a KVM host with several virtual machines on it (also running Ubuntu 10.04). The (physical) server sometimes crashes with ...
1
vote
0answers
178 views

Apache server continuous downtimes

I have been running a website from a CentOS 5 server for about 1 year. Everything was okay until I noticed weird downtime problems on my server. I just took a look at the System graphs and I saw that ...
1
vote
0answers
288 views

Server 2012 DFS New Member Issue

I am trying to add a new member to our DFS topology. We have 3 DCs (VMs - VMware) running Windows server 2012, two servers are located in or Primary site and the third at our DR site. Currently the ...
1
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0answers
102 views

Ubuntu 10.04 Xen guest - why would time drift be proportionate with the system load?

We are trying to troubleshoot an issue with random system lockups during medium - heavy loads on an Ubuntu MySQL 5.1 server. There is nothing logging into the system during these lockups. The only ...
1
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0answers
80 views

My apache is very slow and crashing

I have my VPS server installed apache2. 10,000 people connected to the sites, and it is now very slow, while my CPU is 1.25% and I/O is 20B/sec. I have free memory of 644 Mb and using is only 347. My ...
0
votes
0answers
31 views

Ubuntu Server, services crashing yet server stays up with call trace

I have a strange issue with our Ubuntu 12.04LTS server. it has happened twice now and with a gap of around a week. The server services (apache, ssh, smnp, webmin, just the ones i tested) all stop ...
0
votes
0answers
32 views

How do I configure kdump with extra_modules on ubuntu?

I need to configure extra modules to load with kdump (specifically, vga16fb.ko). On RHEL systems it's in /etc/kdump.conf, but ubuntu doesn't have this file. I've looked in /etc/default/kdump-config, ...
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votes
0answers
41 views

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 ...
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0answers
511 views

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 : ...
0
votes
0answers
207 views

Xenserver 6.2 - read-only filesystem after crash

I'm totally new on XenServer. I've installed 6.2 community edition few days ago. Everything was working fine (4 VMs - 3 Win XP and 1 Ubuntu 12.04). When I was trying to install Zentyal as VM my system ...
0
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0answers
35 views

Ubuntu 13.04 instance crash: how to debug?

We're running a server on Ubuntu 13.04 which crashes quite randomly (the instance itself crashes, not the apache2 component). I've enabled # Run bootlogd at startup -> BOOTLOGD_ENABLE=Yes , but ...
0
votes
0answers
20 views

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 ...
0
votes
0answers
249 views

server crashed, need help in analyzing why

My server crashed today, suddenly. those are the logs from /var/log/messages before it crashed. please help me undestand what is the reason Apr 10 21:40:37 stephan kernel: audit_log_start: 242 ...
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0answers
230 views

When Windows 2008 crashes, the complete memory dump is not written to disk

I have followed the instructions given here: http://support.microsoft.com/kb/969028 by the letter, but Windows doesn't seem to write a full memory dump. I use NotMyFault.exe to blue screen the system ...
0
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0answers
177 views

Postgres segfault on Ubuntu 12.04 64

i have a unbelivable problem: Ubuntu server 12.04 64 bit running on Wmware Infrastructure, postgres 9.2 and django connecting via psycopg. Randomly postgres crashes with segfault, si i restart it an ...