On Wed, 19 Mar 2003, Zwane Mwaikambo wrote:
> This patch makes us bail out in case we may have an interrupt which
> couldn't be associated with an interrupt controller. Without this we allow
> unconfigured interrupts to be assigned and then later on we get
> "unexpected IRQ trap at vector xx" during the ack phase.
>
> scenario:
> This can occur if we fail irq setup during setup_IO_APIC_irqs for some
> reason or other and then miss getting assigned a vector. Later on we then
> get assigned no_irq_type as our handler.
Here is a sample /proc/interrupts from an affected system...
41: 1313 796 1298 1380 IO-APIC-level qlogicisp
89: 0 0 0 0 none qlogicisp
Please apply,
Zwane
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