[Bug 40561] Re: Problem with USB Mass Storage

[Jens Berke]

The log I posted above is from Feisty Beta, which I started from CD as a
LIVE system on my laptop in order to test the stick. However, I get the
same behaviour on my installed Edgy (same machine and stick). What I
haven't tried so far is testing it from an *installed* Feisty (I won't
be able to do that before the end of April).

What I found out as well  is that the error depends on a combination of
the amount of files and the size of these files. Copying one big file of
200MB doesn't cause any problems, copying 6000 files of 80MB will
produce the error, however, splitting these 6000 files into chunks and
doing a "sync" after each chunk it works fine. Example:

~/Folder/Subfolder1 contains 2000 files of 20MB
~/Folder/Subfolder2 contains 2000 files of 20MB
~/Folder/Subfolder3 contains 1000 files of 20MB
~/Folder/Subfolder4 contains 1000 files of 20MB

Copying ~/Folder do the stick will cause the crash. Copying each
subfolder separately with a "sync" after each subfolder runs fine.

Seems like there's a  limit of the amount of files and/or file size
which defines if the error occurs or not.

-- 
Problem with USB Mass Storage
https://bugs.launchpad.net/bugs/40561
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