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Date:      Wed, 28 Apr 1999 14:09:58 +0200
From:      Thomas Seidmann <tseidmann@SIMULTAN.CH>
To:        Soren Schmidt <sos@freebsd.dk>
Cc:        current@FreeBSD.ORG
Subject:   Re: New ATA drivers problem? (Was: New kernels won't boot)
Message-ID:  <3726FA96.8486A6D5@simultan.ch>
References:  <199904281143.NAA02577@freebsd.dk>

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Soren Schmidt wrote:
> Hmm, could you mail me the output of fdisk & disklabel from those tree
> machines, with indication of how they behave ??
> 
> I'm unable to reproduce those errors here, but this might bring the
> details I need to figure it out...

Certainly. First the working machine (reports solely 'changing root
device to wd0s3a' and continues):

******* Working on device /dev/rwd0 *******
parameters extracted from in-core disklabel are:
cylinders=970 heads=128 sectors/track=63 (8064 blks/cyl)

parameters to be used for BIOS calculations are:
cylinders=970 heads=128 sectors/track=63 (8064 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 6,(Primary 'big' DOS (> 32MB))
    start 63, size 1048257 (511 Meg), flag 80 (active)
        beg: cyl 0/ sector 1/ head 1;
        end: cyl 129/ sector 63/ head 127
The data for partition 2 is:
sysid 7,(OS/2 HPFS, NTFS, QNX or Advanced UNIX)
    start 1048320, size 3386880 (1653 Meg), flag 0
        beg: cyl 130/ sector 1/ head 0;
        end: cyl 549/ sector 63/ head 127
The data for partition 3 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
    start 4435200, size 3386880 (1653 Meg), flag 0
        beg: cyl 550/ sector 1/ head 0;
        end: cyl 969/ sector 63/ head 127
The data for partition 4 is:
<UNUSED>

# /dev/rwd0s3c:
type: ESDI
disk: Maxtor 84000A6
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 128
sectors/cylinder: 8064
cylinders: 420
sectors/unit: 3386880
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0 

8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:    64512        0    4.2BSD        0     0     0   # (Cyl.    0 -
7)
  b:   266112    64512      swap                        # (Cyl.    8 -
40)
  c:  3386880        0    unused        0     0         # (Cyl.    0 -
419)
  e:    64512   330624    4.2BSD        0     0     0   # (Cyl.   41 -
48)
  f:  2991744   395136    4.2BSD        0     0     0   # (Cyl.   49 -
419)

Now the one which panics:

******* Working on device /dev/rwd0 *******
parameters extracted from in-core disklabel are:
cylinders=790 heads=255 sectors/track=63 (16065 blks/cyl)

parameters to be used for BIOS calculations are:
cylinders=790 heads=255 sectors/track=63 (16065 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 6,(Primary 'big' DOS (> 32MB))
    start 63, size 208782 (101 Meg), flag 80 (active)
        beg: cyl 0/ sector 1/ head 1;
        end: cyl 12/ sector 63/ head 254
The data for partition 2 is:
sysid 5,(Extended DOS)
    start 208845, size 8193150 (4000 Meg), flag 0
        beg: cyl 13/ sector 1/ head 0;
        end: cyl 522/ sector 63/ head 254
The data for partition 3 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
    start 8401995, size 4289355 (2094 Meg), flag 0
        beg: cyl 523/ sector 1/ head 0;
        end: cyl 789/ sector 63/ head 254
The data for partition 4 is:
<UNUSED>

# /dev/rwd0s3a:
type: ESDI
disk: wd0s3
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 267
sectors/unit: 4289355
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0 

8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:    64260        0    4.2BSD        0     0     0   # (Cyl.    0 -
3)
  b:   546210    64260      swap                        # (Cyl.    4 -
37)
  c:  4289355        0    unused        0     0         # (Cyl.    0 -
266)
  e:    64260   610470    4.2BSD        0     0     0   # (Cyl.   38 -
41)
  f:  3614625   674730    4.2BSD        0     0     0   # (Cyl.   42 -
266)

The third one is unfortunately at home, I'll have access to it after
approx 6.00PM CEST.

Thank you,

Thomas


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