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SubjectFujitsu MO 640 doesn't work with 2.2.2?
[1.] One line summary of the problem:    

On i686 machine kernel 2.2.2 can't mount Fujitsu MO
640. 2.2.0-beta7 and 2.0.36 can.

[2.] Full description of the problem/report:

I'm using a Fujitsu MO 640 with 2048'er sectors. It works with
kernel 2.0.36 (from my DLD distribution) and 2.2.0-beta7
(self-compiled). If I try to mount it under 2.2.2 (on the same
system, same everything), I get the message:

mount: wrong fs type, bad option, bad superblock on /dev/sda1,
or too many mounted file systems

The same message I got when trying to mount the drive with
2.0.35. Interestingly, fdisk -l shows the same data on 2.2.2 and
2.2.0-beta7:

Disk /dev/sda: 64 heads, 32 sectors, 606 cylinders
Units = cylinders of 2048 * 512 bytes

Device Boot Begin Start End Blocks Id System
/dev/sda1 1 1 606 620528 83 Linux native

Unfortunately, I deleted the 2.2.0-beta7-sources, so I can't tell
you whether I compiled the kernels differently. But, anyway, I
cannot remember an option regarding to sector size on SCSI
devices.

[3.] Keywords (i.e., modules, networking, kernel):

kernel 2.2.2; Fujitsu MO 640; 2048-byte-sector

[4.] Kernel version (from /proc/version):

Linux version 2.2.2 (root@pandora3) (gcc version 2.7.2.3) #1 Die Mär 9 13:10:10 CET 1999

[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)

[6.] A small shell script or example program which triggers the
problem (if possible)

mount -t ext2 /dev/sda1 /mnt/mo

[7.] Environment

[7.1.] Software (add the output of the ver_linux script here)

Linux pandora3 2.2.2 #1 Die Mär 9 13:10:10 CET 1999 i686 unknown
Kernel modules 2.1.85
Gnu C 2.7.2.3
Binutils 2.9.1.0.15
Linux C Library 2.0.7
Dynamic linker ldd (GNU libc) 2.0.7
Linux C++ Library 2.9.0
Procps 1.2.7
Mount 2.8a
Net-tools (1998-06-29)
Kbd 0.96
Sh-utils 1.16

[7.2.] Processor information (from /proc/cpuinfo):

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 5
model name : Pentium II (Deschutes)
stepping : 1
cpu MHz : 399.067697
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx osfxsr
bogomips : 398.13

[7.3.] Module information (from /proc/modules):

sb 30904 0
uart401 5576 0 [sb]
parport_pc 5036 0 (unused)
hpfs 8428 2 (autoclean)
nls_cp437 3548 1 (autoclean)

[7.4.] SCSI information (from /proc/scsi/scsi)

Vendor: FUJITSU Model: M2513E Rev: 0050
Type: Optical Device ANSI SCSI revision: 02

[7.5.] Other information that might be relevant to the problem
(please look in /proc and include all information that you
think to be relevant):

[X.] Other notes, patches, fixes, workarounds:

--
======================================================================
Ulf Mehlig <umehlig@zmt.uni-bremen.de>
Center for Tropical Marine Ecology/ZMT, Bremen, Germany
----------------------------------------------------------------------

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