On 04-Mar-01 The Hermit Hacker wrote:
> On Sun, 4 Mar 2001, Alex Zepeda wrote:
>> On Sun, Mar 04, 2001 at 03:18:39PM -0400, The Hermit Hacker wrote:
>> >    My sound card overlaps with fxp0, and fxp1 overlaps with the
>> > HighPoint controller ...
>> >
>> >    Grasping at straws here ...
>> Ditch the HPT366, it's crap and will cause system instabilities with
>> "fast" hard drives.  I'm not sure what you have attached to it, but I've
>> had problems with {either,both} an IBM ATA100 HDD and a Western Digital
>> ATA66 drive attached.  Apparently the ATA100 counterpart from HighPoint
>> isn't so bad.
> Okay, everything in my box is SCSI, so I'm not suspecting the HPT... its
> more the pcm & fxp that I'm thinking ...
> how does the OS handle having both devices hit simultaneously on the same
> IRQ?

The IRQ fires and is masked.  We then run both handlers, one after the other,
and when they have finished re-enable the IRQ.


John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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