Messages in this thread | | | Subject | Re: Ingo's realtime_preempt patch causes kernel oops | From | Daniel Walker <> | Date | Tue, 23 May 2006 09:38:45 -0700 |
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On Tue, 2006-05-23 at 18:24 +0200, Yann.LEPROVOST@wavecom.fr 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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