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Date: Fri, 6 Nov 2009 14:10:02 GMT
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To: freebsd-bugs@FreeBSD.org
From: Charles Owens <cowens@greatbaysoftware.com>
Cc: 
Subject: Re: kern/139653: READ_BIG sluggish ata CD/DVD performance on HP
 DL360 G5
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The following reply was made to PR kern/139653; it has been noted by GNATS.

From: Charles Owens <cowens@greatbaysoftware.com>
To: John Baldwin <jhb@freebsd.org>
Cc: bug-followup@freebsd.org
Subject: Re: kern/139653: READ_BIG sluggish ata CD/DVD performance on HP DL360
 G5
Date: Fri, 06 Nov 2009 09:06:21 -0500

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 John Baldwin wrote:
 > One thing to note is that the boot loader just uses BIOS calls to load the 
 > kernel off of the CD, so if that is taking a long time that implies that the 
 > delay is in the BIOS or perhaps in the hardware at that stage.  Given that, 
 > it may be that the CD drive in this machine is slow due to some 
 > controller/hardware issue.  That doesn't explain the READ_BIG errors (though 
 > perhaps they could be related, but there isn't anything that indicates to 
 > prove or disprove that that I can see).
 >   
 
 That makes sense.  The biggest issue for us, though, is the post-boot
 sluggishness (since that slows down the entire OS install).
 
 Thanks,
 Charles
 
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