We have a customer that has Asterisk 1.4.12.1, Zaptel 1.4.5.1, Asterisk-Addons 1.4.3. running on a Dell Poweredge 1900 server (Dual Core Xeon, 4gb RAM, 500gb Raid 5). Until a month ago they had two TE120P cards and everything was working fine. Since they needed to add a third E1 line we decided to change one of the TE120P cards with a TE210P. After the change we had a couple of crashes (server completely locks up). At first we thought we had a defective card so we changed it but kept having the same problem. We have tried a TE411P, a Sangoma A104x (PCI express), an Openvox D210P and D410P and still the server crashes about three times a week. I can see the Asterisk process go from around 10% usage to 100%, then 200% and the server hangs after that.
Why would inserting a multiport card affect Asterisk and the server?
How can I debug this situation? I do not have enough slots to insert
three single cards of the same type so I need the multiport card to
work. When Asterisk goes above 100% it will start ignoring commands you
issue on the CLI but calls keep coming and going. At this moment I have
to watch the server all day and if it goes above 100% I restart Asterisk
when we have a low call volume. Obviously I cannot keep doing this
forever.
Could this be a problem with the Server? Maybe a Kernel problem? So
far all I have been willing to do is put "acpi=off" as a parameter on
the kernel because I read that sometimes ACPI causes problems. Same
problem still. I have not been able to determine a pattern to when
Asterisk will start using more CPU, sometimes it will go four days of
heavy use without a problem and then start acting up on a Saturday with
very few users. Any ideas will be appreciated.
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Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez Prats
Director de Tecnología
+52-55-91169161 ext 2001
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