Re: Probable module bug in linux-2.6.5-1.358

[Arjan van de Ven]

On Thu, Oct 07, 2004 at 08:01:47AM -0400, Richard B. Johnson wrote:
> Also, when this driver is running, transferring large volumes
> of data, the kernel decides that there have been too many interrupts, and 
> does:
> 
> Message from syslogd@chaos at Wed Oct  6 21:22:57 2004 ...
> chaos kernel: Disabling IRQ #18
> 
> This, in spite of the fact that interrupts occur only when
> DMA completion happens and new data are available, i.e.,
> one interrupt every 16 megabytes of data transferred.
> 
> Who decided that it had a right to disable my interrupt????

the kernel did because you don't return the proper value for "I handled the
IRQ" from your ISR.

Also I don't see where you call cleanup_module(), the function that does the
deregistration of the chardev... where do you call that ????
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