Hi,

I've got a ZIP100 medium formatted as ext2 in the superfloppy format.
On the first machine the medium works flawlessly. On the second machine
the superblock is invalid. I am not sure whether this is mkfs or the 
kernel, but I don't understand how this could be without kernel 
involvement. The behavior is the same under 2.2.14 and 2.3.50.


Mar 14 00:24:53 ghanima kernel: VFS: Disk change detected on device 
ide0(3,64)
Mar 14 00:24:55 ghanima kernel:  hdb: hdb1
Mar 14 00:24:55 ghanima kernel: VFS: Can't find an ext2 filesystem on dev 
ide0(3,64).
Mar 14 00:24:55 ghanima kernel: VFS: Disk change detected on device 
ide0(3,64)
Mar 14 00:24:55 ghanima kernel:  hdb: hdb1 

root@ghanima:/proc/ide/hdb > ls
capacity  driver  geometry  identify  media  model  settings
root@ghanima:/proc/ide/hdb > cat capacity
196608
root@ghanima:/proc/ide/hdb > cat geometry
physical     0/0/0
logical      32/64/96
root@ghanima:/proc/ide/hdb > cat identify
80a0 0000 0000 0000 0000 0000 0000 0000
0000 0000 2020 2020 2020 2020 2020 2020
2020 2020 2020 2020 0000 0000 0000 3233
2e44 2020 2020 494f 4d45 4741 2020 5a49
5020 3130 3020 2020 2020 2020 4154 4150
4920 2020 2020 2020 2020 2020 2020 0000
0000 0e00 0000 0000 0000 0002 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 01f4 01f4 0000 0000 0000
0000 0006 0009 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0101
2863 2920 436f 7079 7269 6768 7420 494f
4d45 4741 2031 3939 3720 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 
root@ghanima:/proc/ide/hdb > cat media
floppy
root@ghanima:/proc/ide/hdb > cat model
IOMEGA ZIP 100 ATAPI
root@ghanima:/proc/ide/hdb > cat settings
name                    value           min             max             
mode
----                    -----           ---             ---             
----
bios_cyl                32              0               1023            rw
bios_head               64              0               255             rw
bios_sect               96              0               63              rw
breada_readahead        4               0               127             rw
file_readahead          0               0               2097151         rw
ide_scsi                0               0               1               rw
io_32bit                0               0               3               rw
keepsettings            0               0               1               rw
max_kb_per_request      32              1               127             rw
nice1                   1               0               1               rw
pio_mode                write-only      0               255             w
slow                    0               0               1               rw
unmaskirq               0               0               1               rw
using_dma               0               0               1               rw

root@ghanima:/proc/ide > cat via
Command register = 0x7
Master Read  Cycle IRDY 1 Wait State
Master Write Cycle IRDY 1 Wait State
FIFO Output Data 1/2 Clock Advance: off
Bus Master IDE Status Register Read Retry: on
Latency timer = 64 (max. = 0)
Interrupt Steering Swap: off
------------------Primary IDE------------Secondary IDE-----
both channels togth:   yes                     yes
Prefetch Buffer :      on                      on
Post Write Buffer:     on                      on
FIFO Conf/Chan. :      08                      08
Threshold Prim. :      1/2                     1/2
Read DMA FIFO flush:   on                      on
End Sect. FIFO flush:  on                      on
Max DRDY Pulse Width:  No limitation
Bytes Per Sector:      512                     512
--------------drive0------drive1-------drive0------drive1----
DMA enabled:    yes         no           yes         yes
Act Pls Width:  03          11           11          07
Recovery Time:  02          09           09          06
Add. Setup T.:  4T          4T           4T          4T
------------------UDMA-Timing-Control------------------------
Enable Meth.:    0           0            0           0
Enable:         yes         no           no          no
Transfer Mode: PIO         DMA          DMA         DMA
Cycle Time:     3T          5T           5T          5T

These are the first 12 blocks taken from /dev/hdb
with dd and uuencoded

begin 755 /tmp/zip.uu
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