On 2/2/09, Kanwar Ranbir Sandhu <m3freak@xxxxxxxxxxxxxxxxxx> wrote: > On Sun, 2009-02-01 at 18:14 -0500, Kanwar Ranbir Sandhu wrote: > > > I'm starting to think something is not quite right with the USB key (or > > in the way it's being detected): I tested transferring files to my PSP, > > but didn't see any of the same speed issues. I was able to copy large > > files back and forth without any problems. > > More testing with my PSP and the USB stick has revealed large file > transfers (e.g. 1 GB in size or more) destroy the transfer speed. > Transfers start up fast (around 20 MBps), and after a few seconds begin > to drop. > > The difference being the Kingston USB stick drops to 1 MBps or less, > whereas the PSP is able to maintain a speed of around 6.5 MBps. Both > devices connect at hi-speed (480 Mbps). > > Anyone know what's going on? Do you see any error messages in /var/log/messages while tranfering? I had a USB key that was not as linux-compatible as they said in the brochure and the kernel had to reset the device continuously so I had very low transfer speeds (save the few seconds, due to buffering). Cheers > > Regards, > > Ranbir > > -- > Kanwar Ranbir Sandhu > Linux 2.6.27.12-170.2.5.fc10.x86_64 x86_64 GNU/Linux > 20:00:01 up 3 days, 21:11, 2 users, load average: 2.41, 0.87, 0.47 > > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list > Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
