Date: Fri, 25 Apr 2008 23:49:25 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: USB Mass Storage Device with HPS Stack Message-ID: <200804252349.25954.hselasky@c2i.net> In-Reply-To: <a276da400804250733v1e8db234x75265d7cfca915c@mail.gmail.com> References: <a276da400804250733v1e8db234x75265d7cfca915c@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Friday 25 April 2008, Xiaofan Chen wrote: > I've got a free USB flash disk from National Semiconductor. It may > be the so-called U3 device since it comes up as a CDROM and > a removable USB drive. The removable USB drive part works fine. > But I am not able to mount the CD part which contains some datasheets > from National Semiconductor. Any tips on this? > Hi, The following line indicates that the software on the USB device was not ready at the moment the CD-ROM size was queried. > cd0: Attempt to query device size failed: NOT READY, Medium not present Try: cat /dev/null > /dev/cd0 Then try to mount again. You can also try loading ata-usb instead of umass. ata-usb will query the disk size regularly. --HPS
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200804252349.25954.hselasky>