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Date:      Sun, 26 Jan 1997 20:58:43 +0100
From:      andreas@klemm.gtn.com (Andreas Klemm)
To:        gibbs@narnia.plutotech.com (Justin T. Gibbs)
Cc:        scsi@freebsd.org
Subject:   Re: fbsd-current: data overrun of 510 bytes detected. Forcing a retry.
Message-ID:  <Mutt.19970126205843.andreas@klemm.gtn.com>
In-Reply-To: <199701261830.KAA16660@narnia.plutotech.com>; from "Justin T. Gibbs" on Jan 26, 1997 10:30:02 -0800
References:  <Mutt.19970126120446.andreas@klemm.gtn.com> <199701261830.KAA16660@narnia.plutotech.com>

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Hi Justin !

Justin T. Gibbs writes:
> I can reproduce this here and will look into it later today.

Ok, thanks.

> >When running bonnie on my 3rd SCSI disk I get the following messages
> >after a couple of seconds:
> >
> >sd2 at scbus0 target 2 lun 0: data overrun of 510 bytes detected. =20

Another thing. Backups using dump still fail when using AHC_TAGENABLE.

I started with the following kernel options:

options		AHC_TAGENABLE
options		AHC_SCBPAGING_ENABLE
options		AHC_ALLOW_MEMIO

This freezes the SCSI bus when dump starts writing to the=20
QIC tape (5 GB Tandberg).

After that I only tried=20

options		AHC_SCBPAGING_ENABLE
options		AHC_ALLOW_MEMIO

This resulted in these error messages, which didn't freeze the system.

Jan 26 13:16:22 klemm /kernel: st0 at scbus0 target 4 lun 0: timed out whil=
e idle, LASTPHASE =3D=3D 0x1, SCSISIGI =3D=3D 0x0
Jan 26 13:16:22 klemm /kernel: SEQADDR =3D=3D 0xc
=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00Jan 26 13:16:22 klemm /k=
ernel: SEQADDR =3D=3D 0xc
Jan 26 13:16:22 klemm /kernel: ahc0: Issued Channel A Bus Reset. 1 SCBs abo=
rted
Jan 26 13:16:22 klemm /kernel: sd0 at scbus0 target 0 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:16:22 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:16:23 klemm /kernel: , retries:4
Jan 26 13:16:23 klemm /kernel: st0 at scbus0 target 4 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:16:23 klemm /kernel: st0 at scbus0 target 4 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:16:23 klemm /kernel: st0: oops not queued
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:23 klemm /kernel: , retries:3
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:23 klemm /kernel: , retries:2
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:23 klemm /kernel: , retries:1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:23 klemm /kernel: , FAILURE
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:23 klemm /kernel: , retries:4
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:23 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:3
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:2
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , FAILURE
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:4
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:3
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:24 klemm /kernel: , retries:2
Jan 26 13:16:24 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:25 klemm /kernel: , retries:1
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:25 klemm /kernel: , FAILURE
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:25 klemm /kernel: , retries:4
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0: NOT READY asc:=
4,1
Jan 26 13:16:25 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Logical unit =
is in process of becoming ready
Jan 26 13:16:25 klemm /kernel: , retries:3
Jan 26 13:17:39 klemm /kernel: sd2 at scbus0 target 2 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:17:39 klemm /kernel: sd2 at scbus0 target 2 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:17:39 klemm /kernel: , retries:4
Jan 26 13:18:02 klemm /kernel: st0 at scbus0 target 4 lun 0: timed out whil=
e idle, LASTPHASE =3D=3D 0x1, SCSISIGI =3D=3D 0x0
Jan 26 13:18:02 klemm /kernel: SEQADDR =3D=3D 0x10
Jan 26 13:18:04 klemm /kernel: st0 at scbus0 target 4 lun 0: timed out whil=
e idle, LASTPHASE =3D=3D 0x1, SCSISIGI =3D=3D 0x0
Jan 26 13:18:04 klemm /kernel: SEQADDR =3D=3D 0xd
Jan 26 13:18:04 klemm /kernel: ahc0: Issued Channel A Bus Reset. 1 SCBs abo=
rted
Jan 26 13:18:05 klemm /kernel: sd0 at scbus0 target 0 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:18:05 klemm /kernel: sd0 at scbus0 target 0 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:18:05 klemm /kernel: , retries:4
Jan 26 13:18:05 klemm /kernel: sd2 at scbus0 target 2 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:18:05 klemm /kernel: sd2 at scbus0 target 2 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:18:05 klemm /kernel: , retries:4
Jan 26 13:20:01 klemm /kernel: sd1 at scbus0 target 1 lun 0: UNIT ATTENTION=
 asc:29,0
Jan 26 13:20:01 klemm /kernel: sd1 at scbus0 target 1 lun 0:  Power on, res=
et, or bus device reset occurred
Jan 26 13:20:01 klemm /kernel: , retries:4
Jan 26 13:30:10 klemm reboot: rebooted by root

using only this option doesn't make trouble.

options		AHC_ALLOW_MEMIO


	Andreas ///



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