>>>>> "Ferenc" == Ferenc Engard <ferenc@engard.hu> writes:
Ferenc> Keyser Soze wrote:
>>
> But the real problem is, that I wanted to benchmark the system while
> the scrolling continues, and issued a dd if=/dev/mem of=/dev/null
> bs=1024 count=32768 command. For the second go, the system freezed
> like a good refrigerator. No kernel panic, nothing, just freezed.
>>
>> Try turning off ide dma and see if that helps. You will lose very
>> little by turning off udma on this system and I'll bet you end up
>> being more stable.
Ferenc> I will try it on Monday, as the eval board is in my
Ferenc> workplace. What is the connection between ide dma, memory read
Ferenc> and the hw video accel? The ide dma setting alters the way
Ferenc> /dev/mem is read? :-O
[...]
It can have interesting things in common, but NS won't tell you about
them without NDAs, I'm afraid -- at least that's how it used to be.
I've had IDE DMA interfere with video input, for instance. So asking NS
is indeed the best answer in this thread.
--J.
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