Re: install/38841: installer blow up FreeBSD's disklabel on other DOS partitions

[matsunaw%ja2.so-net.ne.jp@localhost]

>  On Tue, Jun 03, 2008 at 07:32:11PM +0900, 
> matsunaw%ja2.so-net.ne.jp@localhost wrote:
>   > And disklabels of freebsd on DOS partition #3 (it might be same as
                                                             ^NOT
# sorry for type.

>  The chief cause of problems like this is accidentally mistyping
>  partition sizes or offsets. Then you get overlapping partitions and
>  things get overwritten.
>  
>  Can you post the fdisk table and the other disklabels?

fdisk-partition id I'm using is::
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a5  FreeBSD
a6  OpenBSD
a9  NetBSD
---

BTW, as you know, freebsd has ``slice'' to represents DOS partitions,
'd' BSD partitions has no special meaning like netbsd.
----
% uname -srm
FreeBSD 7.0-STABLE i386
% fdisk-linux -l /dev/ad4

Disk /dev/ad4: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot    Start       End    Blocks   Id  System
/dev/ad4s1             1      6080  48837568+   5  Extended
/dev/ad4s2          6081     12160  48837600   a6  OpenBSD
/dev/ad4s3   *     12161     18240  48837600   a5  FreeBSD
/dev/ad4s4         18241     30401  97683232+  a5  FreeBSD
/dev/ad4s5             1        33    265009+  83  Linux
/dev/ad4s6            34      3925  31262458+  83  Linux
/dev/ad4s7          3926      6014  16779861   83  Linux
/dev/ad4s8          6015      6080    530113+  82  Linux swap
% disklabel -r /dev/ad4s4
# /dev/ad4s4:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a: 16777216        0    4.2BSD        0     0     0 
  b:  2097152 16777216      swap                    
  c: 195366465        0    unused        0     0         # "raw" part, don't 
edit
  e: 41943040 18874368    4.2BSD        0     0     0 
  f: 134549057 60817408    4.2BSD        0     0     0 
% disklabel -rA /dev/ad4s4
# /dev/ad4s4:
type: unknown
disk: amnesiac
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 193815
sectors/unit: 195366465
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: 16777216        0    4.2BSD        0     0     0 
  b:  2097152 16777216      swap                    
  c: 195366465        0    unused        0     0         # "raw" part, don't 
edit
  e: 41943040 18874368    4.2BSD        0     0     0 
  f: 134549057 60817408    4.2BSD        0     0     0 
% disklabel -r /dev/ad4s2
# /dev/ad4s2:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a: 16778160 97675200    4.2BSD        0     0     1 
  b:  2097270 114453360      swap                    
  c: 488397168        0    unused        0     0         # "raw" part, don't 
edit
  e: 16778160 116550630    4.2BSD        0     0     1 
partition a: partition extends past end of unit
partition b: offset past end of unit
partition b: partition extends past end of unit
partition c: partition extends past end of unit
disklabel: partition c doesn't cover the whole unit!
disklabel: An incorrect partition c may cause problems for standard system 
utilities
partition e: offset past end of unit
partition e: partition extends past end of unit
% disklabel -rA /dev/ad4s2
# /dev/ad4s2:
type: DOC2K
disk: amnesiac
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 96900
sectors/unit: 488397168
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: 16778160 97675200    4.2BSD        0     0     1 
  b:  2097270 114453360      swap                    
  c: 488397168        0    unused        0     0         # "raw" part, don't 
edit
  e: 16778160 116550630    4.2BSD        0     0     1 
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regards,
matsunaw