The problem with USB stick and msdosfs
Hasso Tepper
hasso at estpak.ee
Fri Jan 16 12:55:38 PST 2009
da0: <pqi IntelligentStick 0.00> Removable Direct Access SCSI-2 device
da0: 40.000MB/s transfers
da0: 963MB (1974271 512 byte sectors: 64H 32S/T 963C)
$ sudo dd if=/dev/zero of=/mnt/file bs=512k count=100
100+0 records in
100+0 records out
52428800 bytes transferred in 1.744845 secs (30047824 bytes/sec)
$ time sudo umount /mnt
real 4m7.152s <- ?!?!?!
user 0m0.008s
sys 0m0.047s
$
It doesn't happen with any other OS (tried Debian, MacOSX and Windows XP)
and there is no problem in DragonFly with the very same formatted to UFS
either.
--
Hasso Tepper
More information about the Bugs
mailing list