Public bug reported:
I launch an 32 bit, instance-store, c1.medium server in eu-west-1 based
from the official Ubuntu 8.04 LTS Hardy ami-beb993ca and install the
following packages with apt-get...
apache2
php5
php5-mysql
php5-curl
php5-cli
imagemagick
vsftpd
xfsprogs
postfix
...and also make sure all software is up to date with apt-get update &&
sudo apt-get upgrade
Then attach a 10GB EBS volume and use that to store the apache files for
a PHP based website.
I redirect my web traffic to this instance and it uses around 40-50% CPU
and outgoing bandwidth is around 5Mbps
The instance runs fine for a few hours (varies from 2 to 4 hours in
tests) before the CPU suddenly climbs to 100% and the instance becomes
unresponsive.
Rebooting it via the Amazon Management Console fixes everything for
another few hours.
The output of uname -a is...
Linux ip-10-235-21-236 2.6.24-10-xen #1 SMP Tue Sep 8 19:06:53 UTC 2009
i686 GNU/Linux
Attached is the output of ec2-get-console-output of the locked instance
just after it was rebooted
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: ec2-images
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https://bugs.launchpad.net/bugs/745108
Title:
EC2 instance CPU goes to 100% and locks
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