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Re: Netra T1 upgrade to 9.1 and occasional freeze



Hi,

Connor McLaughlan wrote:
> Hi,
>
> i also experience occasional lockups and also reboots on a Sun Blade
> 100, but this has also been the case with 9.0, so i am unsure if it is
> a hardware defect or a kernel problem.
>

good to know I am not alone.... I can say for sure that 9.0 was very
stable because I did days of compilation!

> However the problems with the aceride seem to be common on Sun
> machines due to wiring errors they don't support DMA. So i built a new
> kernel and disabled DMA:
>
> aceride* at pci? dev ? function ? flags 0x0002
>
> The errors are not appearing anymore and i have a subjective feeling
> that the machine behaves a little better, but occasionally it still
> reboots or hangs. I am also unsure how to debug this. The components
> are not common hardware and not readily available to swap out like
> modern PC stuff.
>
> The interesting part is that i can run a linux kernel seemingly
> forever without hangs or reboots.

Aha... I see, IDE is used only for the CD so perhaps some hiccup... I
hope that without CD those error don't matter. And if linux runs fine,
maybe it has some improvement we lack.
Does Linux run with DMA on ide?

I hope somebody else can chime in so that it can be debugged better. I
will try to run it with serial console attached. Just to catch the exact
error.

I already did and it did run for 2 days without issues :)

Riccardo


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