Date: Sat, 18 Nov 2000 08:29:02 +0100 From: Thierry Herbelot <herbelot@cybercable.fr> To: "Andrew B." <dikiyobraz@mail.ru> Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: can't initialize HDD Message-ID: <3A162FBE.AF3DA746@cybercable.fr> References: <19589.001118@mail.ru>
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"Andrew B." wrote:
>
> Hi!
>
> Hardware: MB Acorp SiS22, HDD Caviar 22100(prim. mast.), CDROM
> Toshiba XM-6702B(prim. slav.)
> OS: FreeBSD-4.1
>
> I have trouble with my booting up my computer. I see these messages:
>
> ad0: 2014MB <WDC AC22100L> [4092/16/63] at ata0-master using UDMA33
> acd0: CDROM <TOSHIBA CDROM XM-6702B> at ata0-master using PIO4
^^^^^^^^^^^
it seems you CD drive is ALSO configured as a master on the IDE bus
> Mounting root from ufs: /dev/ad0s1a
> ad0: READ command timeout - reseting
> <pause 1-2 min. after each such string>
> ata0: reseting devices .. device dissapeared! 1 done
> ad0: READ command timeout - reseting
> ata0: reseting devices .. device dissapeared! 1 done
> ad0: READ command timeout - reseting
> ata0: reseting devices .. device dissapeared! 1 done
> ata0-master: WARNING: WAIT-READY active=ATA_ACTIVE_ATA
> ata0-master: timeout waiting for command=ef s=00 e=60
> ad0: trying fallback to PIO mode
> ata0: reseting devices .. device dissapeared! 1 done
> <continue booting>
>
> When I remove CD-ROM from machine, OS can't boot:
>
> ad0: 2014MB <WDC AC22100L> [4092/16/63] at ata0-master using UDMA33
> Mounting root from ufs: /dev/ad0s1a
> ad0: READ command timeout - reseting
I also had this problem : this can be due to bad cables (or bad
connections between the cable and the motherboard or between the cable
and the disk drive)
> ata0: reseting devices .. device dissapeared! ata0-master: timeout waiting to give command=c6 s=d0 e=00
> ata0-master: timeout waiting to give command=ef s=d0 e=00
> ata0-master: timeout waiting to give command=ef s=d0 e=00
> ata0-master: timeout waiting to give command=ef s=d0 e=00
> done
> ata0-master: timeout waiting to give command=20 s=d0 e=00
> ad0: error exiting command
> ad0: reading primary paritition table: error reading fsbn 0
this is not good : the sector containing the partition table can not be
read (time to buy another disk !)
> Root mount failed: 5
> Mounting root from ufs:wd0s1a
> <system halted>
>
> What's wrong?
As you see, lots of things are wrong on your machine
>
> Andrew Baznikin mailto:dikiyobraz@mail.ru
>
--
Thierry Herbelot
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