Messages in this thread | | | Date | Fri, 25 May 2007 02:32:39 +0400 | From | Manu Abraham <> | Subject | Re: PCIE |
| |
Roland Dreier wrote:
> Why does the device come up in a state where it generates a stream of > interrupts as soon as you enable the PCI device? That's somewhat > unusual behavior, although certainly not unheard of. >
In fact the device wasn't generating a stream of interrupts when loaded (i guess). It was just that the shared handler was showing all the interrupts that occurred, since i was not looking at the interrupt mask/status.
But accessing any registers caused me a flood of interrupts, which froze the system. excessive printing to the console caused a lockup.
I am now wondering whether the usage of MSI would help in this case and that i should be using enable_msi before request_irq ?
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |