[Bug 328352] Re: mount.ntfs causes 100% CPU (iowait)

[Szabolcs Szakacsits]

It's impossible to see what NTFS-3G has to do with the problem.

Yes, the /dev/sda1 NTFS partition is mounted at /media/WindowsRecovery
by NTFS-3G but you were reading from another file system mounted at
/media/mobile120 and writing to partition /dev/sda2.

The IOWAIT is completely normal when one is copying data. If no disk
activity than that's usually a hardware or kernel device driver problem,
most typically USB problem when an external device is involved. Like it
disconnected, auto-suspended, etc. Did you check your kernel logs?

mount.ntfs in the process list is completely normal when at least one
partition is mounted.

Th FUSE daemon speculation doesn't stand either. The only FUSE daemon is
mount.ntfs which can not deadlock itself, especially when it's not used
for anything.

-- 
mount.ntfs causes 100% CPU (iowait)
https://bugs.launchpad.net/bugs/328352
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