[Bug 389154] Re: EXT4-fs error

[terakin]

I reviewed this bug at the opportunity of 10.04 release, and all attempts below were unsuccessful.
Here is my configuration:

* Computer: IBM ThinkPad X31, 768MB memory, 40GB HDD
* Installation target: External USB memory (actually microSDHC reader), Buffalo RUF2-PS.
* What I want to do: Install Ubuntu for an external USB memory, without any affection to HDD.

<Ubuntu Version> 10.04 LTS 32bit

<Trials>
* Dividing USB mem into three partitions, formatting with ext4, locating grub in USB mem (/dev/sdb)
  ... ext4-fs error, very unstable
* Same partition, formatting with ReiserFS (grub is same)
  ... ReiserFS error, very unstable
* Same partition, formatting with ext2 (grub is same)
  ... ext2-fs error, less than ext4, but fatal
* Using USB mem as one partition, formatting with ext4 (grub is same)
  ... slightly stable, but consequently boot failure with ext4-fs error
* same partition above (one partition), ext4, boot loader at /dev/sda
  ... same as above (not successful)

  I inspected using USB memory check tools in Windows environment and
confirmed there are no errors. Actually, it is no problem to use after
re-formatting as FAT32 after these attempts.

  I suppose this problem stems from some affinity between ThinkPad
(possibly BIOS) and this USB external memory. I should have tried with
other compters or other USB memory, but I had no time. I am operating
now latest Ubuntu at this ThinkPad using entire HDD.

-- 
EXT4-fs error
https://bugs.launchpad.net/bugs/389154
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