The following reply was made to PR kern/33742; it has been noted by GNATS.

From: Scott Presnell <srp@tworoads.net>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/33742: Multiple bktr cards and changing PCI latency.
Date: Mon, 26 Jun 2006 10:13:59 -0700

 This bug-report/change-request can be closed. I found that a better
 solution was to get a more recent bktr based card (problem card was
 very, very early model). Two more recent cards can be used together
 without chaning the latency.
 
 	Thanks.
 
 	- Scott
 
 Christos Zoulas wrote:
 > The following reply was made to PR kern/33742; it has been noted by GNATS.
 > 
 > From: christos@zoulas.com (Christos Zoulas)
 > To: gnats-bugs@NetBSD.org, kern-bug-people@netbsd.org,
 > 	gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
 > Cc: 
 > Subject: Re: kern/33742: Multiple bktr cards and changing PCI latency.
 > Date: Thu, 15 Jun 2006 15:36:52 -0400
 > 
 >  On Jun 15,  7:25pm, srp@tworoads.net (srp@tworoads.net) wrote:
 >  -- Subject: kern/33742: Multiple bktr cards and changing PCI latency.
 >  
 >  | >Number:         33742
 >  | >Category:       kern
 >  | >Synopsis:       multiple bktr cards may require change in PCI latency.
 >  | >Confidential:   no
 >  | >Severity:       non-critical
 >  | >Priority:       low
 >  | >Responsible:    kern-bug-people
 >  | >State:          open
 >  | >Class:          change-request
 >  | >Submitter-Id:   net
 >  | >Arrival-Date:   Thu Jun 15 19:25:00 +0000 2006
 >  | >Originator:     Scott Presnell
 >  | >Release:        NetBSD 3.0_STABLE
 >  | >Organization:
 >  | 	Self
 >  | >Environment:
 >  | 
 >  | NetBSD 3.0_STABLE (SKOK) #4: Thu Jun 15 08:30:40 PDT 2006
 >  | 	srp@dirt.tworoads.net:/usr/src/sys/arch/i386/compile/SKOK
 >  | 
 >  | Architecture: i386
 >  | Machine: i386
 >  | 
 >  | >Description:
 >  | 
 >  | I use a webcam to monitor a remote location.  Recently I added a second
 >  | camera and second WinTV (bktr driver) card, but when I did one of the cards
 >  | started acting as though it was not getting a full frame capture, when
 >  | running in continuous capture mode (seemed to work OK when single capture
 >  | mode was used).
 >  | 
 >  | After checking the software and other possible souces of error, I
 >  | discovered that the manufacturer had in the past recommended reducing
 >  | the PCI latency under similar circumstances
 >  | 
 >  | (http://www.hauppauge.com/html/sw_wcst.htm) 
 >  | 
 >  | ...so I tried this first as a hack, it seemed to work, then rewrote it as a
 >  | bktr driver kernel option.  A latency value of 0x10 worked in my case.
 >  | 
   
 >  What are the valid values of latency? Shouldn't the driver check for those?
 >  
 >  christos
 >