On Fri, Sep 17, 1999 at 05:27:56PM +0200, Reinoud Koornstra wrote:
> Here the exact outputs:
> 
> Here the lines about my harddisks of /var/log/messages
> 
> Sep 17 17:18:11 mipam /netbsd: wd0 at pciide0 channel 0 drive 0: <WDC
> AC22500L>
> Sep 17 17:18:11 mipam /netbsd: wd0: drive supports 16-sector pio
> transfers, lba
> addressing
> Sep 17 17:18:11 mipam /netbsd: wd0: 2441MB, 4960 cyl, 16 head, 63 sec, 512
> bytes
> /sect x 4999680 sectors
> Sep 17 17:18:11 mipam /netbsd: wd0: 32-bits data port
> Sep 17 17:18:11 mipam /netbsd: wd0: drive supports PIO mode 4, DMA mode 2
> Sep 17 17:18:11 mipam /netbsd: wd1 at pciide0 channel 0 drive 1: <WDC
> AC28400R>
> Sep 17 17:18:12 mipam /netbsd: wd1: drive supports 16-sector pio
> transfers, lba
> addressing
> Sep 17 17:18:12 mipam /netbsd: wd1: 8063MB, 16383 cyl, 16 head, 63 sec,
> 512 byte
> s/sect x 16514064 sectors
> Sep 17 17:18:12 mipam /netbsd: wd1: 32-bits data port
> Sep 17 17:18:12 mipam /netbsd: wd1: drive supports PIO mode 4, DMA mode 2,
> Ultra
> -DMA mode 2
> Sep 17 17:18:12 mipam /netbsd: pciide0: primary channel interrupting at
> irq 14
> Sep 17 17:18:12 mipam /netbsd: pciide0: secondary channel wired to
> compatibility
>  mode
> Sep 17 17:18:12 mipam /netbsd: atapibus0 at pciide0 channel 1
> Sep 17 17:18:12 mipam /netbsd: cd0 at atapibus0 drive 0: <TOSHIBA CD-ROM
> XM-6402
> B, , 1015> type 5 cdrom removable
> Sep 17 17:18:12 mipam /netbsd: cd0: 32-bits data port
> Sep 17 17:18:12 mipam /netbsd: cd0: drive supports PIO mode 4, DMA mode 2,
> Ultra
> -DMA mode 2
> Sep 17 17:18:12 mipam /netbsd: pciide0: secondary channel interrupting at
> irq 15
> Sep 17 17:18:12 mipam /netbsd: wd0(pciide0:0:0): using PIO mode 4, DMA
> mode 2 (u
> sing DMA data transfers)
> Sep 17 17:18:12 mipam /netbsd: wd1(pciide0:0:1): using PIO mode 4, DMA
> mode 2 (u
> sing DMA data transfers)
> Sep 17 17:18:12 mipam /netbsd: cd0(pciide0:1:0): using PIO mode 4, DMA
> mode 2 (u
> sing DMA data transfers)
> 
> 
> 
> disklabel wd0: 
> 
> # /dev/rwd0d:
> type: unknown
> disk: WDC AC22500L    
> label: fictitious
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 16
> sectors/cylinder: 1008
> cylinders: 4960
> total sectors: 4999680
> 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   cpg]
>   d:  4999680        0     unused        0     0      # (Cyl.    0 -4959)
>   e:   927297       63      MSDOS                     # (Cyl.    0*-919)
>   f:  4064256   927360     unused        0     0      # (Cyl.  920 -4951)
> disklabel: boot block size 0
> disklabel: super block size 0
> 
> Finally: mbrlabel wd0:
> Sep 17 17:25:37 mipam /netbsd: wd0d:  id not found reading fsbn 6531840
> (wd0 bn 6531840; cn 6480 tn 0 sn 0), retrying
> Sep 17 17:25:38 mipam /netbsd: wd0: transfer error, downgrading to PIO
> mode 4
> Sep 17 17:25:38 mipam /netbsd: wd0(pciide0:0:0): using PIO mode 4
> Sep 17 17:25:38 mipam /netbsd: wd1(pciide0:0:1): using PIO mode 4, DMA
> mode 2 (using DMA data transfers)
> Sep 17 17:25:38 mipam /netbsd: wd0d:  id not found reading fsbn 6531840
> (wd0 bn 6531840; cn 6480 tn 0 sn 0), retrying
> read label: Input/output error
> mipam# Sep 17 17:25:40 mipam last message repeated 3 times
> Sep 17 17:25:40 mipam /netbsd: wd0d:  id not found reading fsbn 6531840
> (wd0 bn 6531840; cn 6480 tn 0 sn 0)
> 
> These are all the things you asked for right?
> Under freebsd can mount my logical partitions....
> Can you say what is wrong?

Yes I can say what's wrong: it seems mbrlabel is trying to read sector 6531840
of a disk which has only 4999680 sectors. But I don't know why :)

Wolfgang, can you have a look at this ? I don't have much time these days and
my knowledge of the i386 MBR is limited ...

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--