On Tue, 2006-05-23 at 18:24 +0200, [email protected] wrote:
> Yeah that's it , I tested with SA_NODELAY and oops disappears, kernel
> doesn't freeze !!
>
> However, the IRQ 1 line is shared between many peripherals in the
> AT91RM9200...
> IRQ 1 is the system interrupt.
>
> From AT91RM9200 datasheet :
>
> "The System Interrupt is the wired-OR of the interrupt signals coming from:
> • the Memory Controller
> • the Debug Unit
> • the System Timer
> • the Real-Time Clock
> • the Power Management Controller"
>
You might have some more issues , cause if you share an SA_NODELAY
handler every handler on that interrupt line becomes an SA_NODELAY
handler .. So you'll have to go make sure non of those other handlers
lock spinlock_t types ..
Daniel
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