Date: Tue, 3 Jan 2006 07:54:21 +0800 From: "Russell J. Wood" <rjw@dynode.net> To: freebsd-questions@freebsd.org Subject: Re: Disk error messages (ad0: HARD READ ERROR blk# xxxxxx) Message-ID: <20060102235421.GA35523@main.dynode.net> In-Reply-To: <010220062315.16095.43B9B3FC00017B6100003EDF219792676109020E9B03@insightbb.com> References: <010220062315.16095.43B9B3FC00017B6100003EDF219792676109020E9B03@insightbb.com>
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On Mon, Jan 02, 2006 at 11:15:08PM +0000, mtang@insightbb.com wrote: > Hi there, > > On my screen, there were messages like the followings comeing up. I have to > reboot mutiple times to get it boot up normally. Does this mean I have to > replace the disk which is a relatively new disk (1-2 years)? Any simple way to > fix it and to avoid the time consuming task? > > > ad0: 39205MB <Maxtor 6EXXXXX> [79656/16/63] at ata0-master WDMA2 > ad0: HARD READ ERROR blk# 131199 > ad0: HARD READ ERROR blk# 131199 status=59 error=40 > ad0: DMA problem fallback to PIO mode > ad0: HARD READ ERROR blk# 11272319 status=59 error=40 > ad0: HARD READ ERROR blk# 11272319 status=59 error=40 > ad0: HARD READ ERROR blk# 11272319 status=59 error=40 > ad0: HARD READ ERROR blk# 131199 status=59 error=40 > ad0: HARD READ ERROR blk# 3473535 status=59 error=40 > ad0: HARD READ ERROR blk# 9240703 status=59 error=40 > ad0: HARD READ ERROR blk# 17367167 status=59 error=40 > ad0: HARD READ ERROR blk# 17760383 status=59 error=40 I suspect that you have bad sectors on your hard disk drive (and many of them). A good tool to use is Segate's Seatools (http://www.seagate.com/support/seatools/index.html). Just burn the Seatools Desktop edition to CDROM and boot from it. - Russell
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