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Date:      Sat, 28 Aug 1999 10:40:48 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Julian Elischer <julian@whistle.com>
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, hackers@FreeBSD.ORG
Subject:   Re: Should cam_imask be part of bio_imask ?
Message-ID:  <Pine.BSF.4.05.9908281039080.8884-100000@semuta.feral.com>
In-Reply-To: <Pine.BSF.3.95.990828103147.446R-100000@current1.whistle.com>

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> Isn't all the work in CAM done at splsoftcam?

Not all. There's completions done at splcam. I've had some  worries and
concerns about this, but (wince) I really have to admit that the ins and
outs of the cam code often escape me, and they're documented only in the
DNA of certain human subspecies that reside in Colorado.....



> (or am I thinking of old code)
> It starts off an ISR similar to the netisr doesn't it? 
> 
> On Sat, 28 Aug 1999, Matthew Dillon wrote:
> 
> >     I'm trying to track down some VFS/BIO corruption on an NFS server
> >     being tested under heavy loads and noticed that my SCSI interrupts
> >     do not appear to be blocked by splbio().
> > 
> > 	(The adaptec's are on irq 5 and irq 12)
> > 
> > 	(kgdb) print bio_imask
> > 	$1 = 0x40080040
> > 	(kgdb) print cam_imask
> > 	$2 = 0x400c1020
> > 	(kgdb) 
> > 
> >     This doesn't sound right to me.
> > 
> > 					-Matt
> > 					Matthew Dillon 
> > 					<dillon@backplane.com>
> > 
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-hackers" in the body of the message
> > 
> 
> 
> 
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> 



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