fix ccat startup stall. In case the dma memory was allocated above 4 GB limit, CCAT is unable to access it.
-> limit the dma_mask to 32-bit to omit this situation
/* $Id$ */
digraph sii {
node [fontname="Helvetica"]
edge [fontname="Helvetica", fontsize="12"]
start_reading
start_reading -> read_check [weight=5]
read_check
read_check -> error
read_check -> read_fetch [weight=5]
read_fetch
read_fetch -> error
read_fetch -> end [weight=5]
read_fetch -> read_fetch
start_writing
start_writing -> write_check [weight=5]
write_check
write_check -> error
write_check -> write_check2 [weight=5]
write_check2
write_check2 -> error
write_check2 -> end [weight=5]
write_check2 -> write_check2
end
error
}