Asterisk Digium PCI card Troubleshooting

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- IRQ sharing issues. Assign separate IRQs to each digium card.

- IDE drives have DMA mode set to on and that IDE drives are preferred
instead of SATA / SCSI, specifically because IDE drives can be set to
use UDMA2.

- IRQ misses are bad and should be minimised for the digium cards. This
can be checked using zttest application. Minimum acceptable value is
99.98%

- Avoid running X-windows on the box and disable frame-buffer by using
vga=normal on boot.

- If you still see irq misses, try using acpi=off and/or noapic

- Try disabling hyperthreading if it is enabled


See also


- IRQ sharing issues. Assign separate IRQs to each digium card.

- IDE drives have DMA mode set to on and that IDE drives are preferred
instead of SATA / SCSI, specifically because IDE drives can be set to
use UDMA2.

- IRQ misses are bad and should be minimised for the digium cards. This
can be checked using zttest application. Minimum acceptable value is
99.98%

- Avoid running X-windows on the box and disable frame-buffer by using
vga=normal on boot.

- If you still see irq misses, try using acpi=off and/or noapic

- Try disabling hyperthreading if it is enabled


See also


Created by: mustardman, Last modification: Mon 24 of Oct, 2011 (20:14 UTC) by admin
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