dahdi_test. Результаты

Всем привет.

Поставил в новый сервер плату Digium AEX410. Запустил dahdi_test, результат немного смущает:

[root@localhost ~]# dahdi_test 
Opened pseudo dahdi interface, measuring accuracy...
99.997% 99.910% 99.896% 99.995% 99.994% 99.995% 99.994% 99.994% 
99.996% 99.991% 99.995% 99.995% 99.994% 99.995% 99.994% 99.996% 
99.990% 99.999% 99.990% 99.995% 99.909% 99.900% 99.911% 99.898% 
99.994% 99.996% 99.997% 99.996% 99.995% 99.993% 99.993% 99.996% 
99.993% 99.998% 99.993% 99.995% 99.994% 99.993% 99.992% 99.995% 
99.995% 99.994% 99.995% 99.998% 99.993% 99.995% 99.994% 99.995% 
99.995% 99.994% 99.995% 99.992% 99.992% 99.994% 99.995% 99.994% 
99.994% 99.994% 99.996% 99.994% 99.994% 99.999% 99.915% 99.994% 
99.900% 99.996% 99.915% 99.902% 99.996% 99.994% 99.995% 99.994% 
99.994% 99.994% 99.995% 99.994% 99.995% 99.993% 99.995% 99.995% 
99.995% 99.989% 99.994% 99.999% 99.991% 99.995% 99.909% 99.903% 
99.913% 99.902% 99.990% 99.996% 99.993% 99.994% 99.997% 99.997% 
99.996% 99.993% 99.994% 99.993% 
--- Results after 100 passes ---
Best: 99.999% -- Worst: 99.896% -- Average: 99.982049%
Cummulative Accuracy (not per pass): 99.994

Кажется должно быть 99.99%?

[root@localhost ~]# cat /proc/interrupts 
           CPU0       CPU1       CPU2       CPU3       
  0:     302745          0          0          0    IO-APIC-edge  timer
  8:          1          0          0          0    IO-APIC-edge  rtc
  9:          0          0          0          0   IO-APIC-level  acpi
 66:         70          0          0          0   IO-APIC-level  ehci_hcd:usb1, ata_piix
 74:         30          0          0          0   IO-APIC-level  ehci_hcd:usb2
 82:        223          0       2441          0   IO-APIC-level  ata_piix
 98:          1          0          0          0       PCI-MSI-X  eth0
106:         41          0          0        631       PCI-MSI-X  eth0-rx-0
114:         22        101          0          0       PCI-MSI-X  eth0-rx-1
122:         25          0         22         80       PCI-MSI-X  eth0-rx-2
130:         35        283          0          0       PCI-MSI-X  eth0-rx-3
138:         26          0        428          0       PCI-MSI-X  eth0-tx-0
177:       7466        432          0          0   IO-APIC-level  megasr
202:     240317          0          0          0   IO-APIC-level  wctdm24xxp0
NMI:        318         93        102         94 
LOC:     302639     302594     302522     302450 
ERR:          0
MIS:          0

megasr - модуль программного рейда. Смущает что он и плата одним и тем же ЦП обрабатываются (вроде).