Re: hanging adding device with shared interrupt

Neil Moore (
Wed, 4 Mar 1998 14:52:09 -0500

Stephen Williams wrote:
> I'm having trouble with a device driver for a PCI device. The driver
> supports shared interrupts (or should) although that is not the normal
> case, because it is a PCI device. However, when I have a large number
> of such boards installed, the BIOS (award bios) seems to give up and
> assigns shared IRQs for say two of the three boards.
> This should be fine, but when I request_irq for the shared irq (yes, I pass
> the SA_SHIRQ flag) the computer completely hangs. No keyboard, no mouse,
> ne error message, no nothin'.

Can we see your code?

> I don't know why this request_irq would be a problem, so maybe it is just
> very very close to it, but there it hangs. Any ideas would be greatly
> appreciated.

-Neil Moore,,

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