[asterisk-users] Digium T1 Card Crashing Server (Dell 2950)

[broadband Voice]

I installed the Digium T1 card on Dell Poweredge 2950 and the system crashed
several times, we got a Kernel Panic and first though it was the OS so I
switched from Fedora 7 to Centos 5.1.
Our server was alarming in our monitoring system, when our Infrastructure
department investigated the issue they found that the server was locked up
at the console. They had to do a hard reboot of the server to bring it back.
The following information was pulled from the logs:

BUG: soft lockup detected on CPU#1!
 [<c044b2a4>] softlockup_tick+0x96/0xa4
 [<c042e214>] update_process_times+0x39/0x5c
 [<c04196ff>] smp_apic_timer_interrupt+0x5b/0x6c
 [<c04059bf>] apic_timer_interrupt+0x1f/0x24
.............................

Apr 10 11:07:39 Newark1 php:
/var/lib/asterisk/agi-bin/libs_a2billing/Class.A2Billing.php[259]: Error
parsing /etc/asterisk//a2billing.conf on line 48
Apr 10 11:07:39 Newark1 php:
/var/lib/asterisk/agi-bin/libs_a2billing/Class.A2Billing.php[588]: Undefined
index:  asterisk_version
Apr 10 11:07:39 Newark1 php: /var/lib/asterisk/agi-bin/a2billing.php[150]:
Undefined index:  intro_prompt
Apr 10 11:39:59 Newark1 syslogd 1.4.1: restart.
Apr 10 11:39:59 Newark1 kernel: klogd 1.4.1, log source = /proc/kmsg
started.
I believe the issue may be related to a driver for Our Digium Interface.
Here is the versions we are running
Asterisk 1.4.19
libpri-1.4.3
zaptel-1.4.10
Digium's TE220 PCI Express card with echo cancellation.

Thanks.
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