ata1: resetting devices ...
Barbish3 at adelphia.net
Wed Jul 28 10:59:47 PDT 2004
These means that you have a mismatch between the devices and the
ribbon connecting them to your motherboard. Most common cause is a
UDMA66 hard drive plugged into the master connector on the ribbon
and a UDMA33 CDROM. The messages is telling you the IDE hard drive
controller is defaulting the ribbon read/write speed to the slower
speed of the CDROM.
Now this is not harmful to your hardware, but does deny your server
the ability to utilize the full speed potential of your hard drive.
This is easily fixed by moving the CDROM drive from the slave
connector on the primary IDE controller to the master commenter on
the secondary IDE controller on your motherboard.
This also can occur if you have two hard drives on the primary IDE
controller of different speeds.
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org]On Behalf Of samy
Sent: Wednesday, July 28, 2004 12:48 PM
To: freebsd-questions at freebsd.org
Subject: ata1: resetting devices ...
This morning I have seen the following log message on my FreeBSD 4.7
ad2: READ command timeout tag=0 serv=0 - resetting
ata1: resetting devices .. ad2: DMA limited to UDMA33, non-ATA66
cable or device
I would really appreciate if someone could tell me the cause for
this message and is there something to worry about the server?.
Thanks in advance.
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