From owner-freebsd-hackers  Wed Jan 17  7:36: 2 2001
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From: "Howie Xu" <hxu@rios.sitaranetworks.com>
To: "Mike Smith" <msmith@freebsd.org>
Cc: <freebsd-hackers@freebsd.org>
Subject: RE: ISR not triggered upon the interrupts and OS hangs 
Date: Wed, 17 Jan 2001 11:01:12 -0500
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I am using FreeBSD 3.2, and all the sample drivers in /usr/src/sys/pci/*.c
uses pci_map_int().

How can I debug it in 3.2 to know what the OS thinks when the interrupts
come in and OS hangs?

Thanks again,

-Howie

> -----Original Message-----
> From: Mike Smith [mailto:msmith@freebsd.org]
> Sent: Wednesday, January 17, 2001 2:20 AM
> To: Howie Xu
> Cc: freebsd-hackers@freebsd.org
> Subject: Re: ISR not triggered upon the interrupts and OS hangs
>
>
> > Dear Freebsd Hackers,
> >
> > Here is a question regarding my bsd device drivers:
> >
> > I used the pci_map_int() to register an interrupt handler for
> my PCI device
> > (intline = 12). But when the interrupt comes in, the handler
> (ISR) is not
> > triggered at all. But the OS hangs and I can see continuous interrupts
> > coming in on the PCI sniffer.
>
> You don't use pci_map_int() on any modern version of FreeBSD; you use
> bus_alloc_resource() and bus_setup_intr().
>
> Since you don't mention which FreeBSD version you're using, it's hard to
> be of any more assistance.
>
> --
> ... every activity meets with opposition, everyone who acts has his
> rivals and unfortunately opponents also.  But not because people want
> to be opponents, rather because the tasks and relationships force
> people to take different points of view.  [Dr. Fritz Todt]
>            V I C T O R Y   N O T   V E N G E A N C E
>



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