kern/139653: READ_BIG sluggish ata CD/DVD performance on HP
DL360 G5
John Baldwin
jhb at freebsd.org
Fri Nov 6 12:50:02 UTC 2009
The following reply was made to PR kern/139653; it has been noted by GNATS.
From: John Baldwin <jhb at freebsd.org>
To: bug-followup at freebsd.org,
cowens at greatbaysoftware.com
Cc:
Subject: Re: kern/139653: READ_BIG sluggish ata CD/DVD performance on HP DL360 G5
Date: Fri, 6 Nov 2009 07:44:31 -0500
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).
--
John Baldwin
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