This is just a vague idea but maybe it is formated as FATX or exFAT which may be seen like FAT16 or FAT32 on linux, but windows recognises the real fs type? It's a wild guess... You could try to reformat it in Linux and try using it after in the GPS to see if it will work.
See here if you're curious: http://en.wikipedia.org/wiki/File_Allocation_Table#FATX Simon On Thu, Jul 19, 2012 at 5:20 PM, Mark Knecht <markkne...@gmail.com> wrote: > On Thu, Jul 19, 2012 at 9:45 AM, Helmut Jarausch > <jarau...@igpm.rwth-aachen.de> wrote: > > Hi, > > > > I have a Garmin GPS with a 32GB SD card. > > If I attach my device to the USB port, a directory listing looks totally > > scrambled. > > A listing of the smaller (2GB) 'internal' storage device is just fine. > > And I am sure the listing of the bigger SD card has been fine earlier > > when less storage was used. > > > > The funny thing, looking at the same SD card from Windows7 (running in > > VirtualBox) > > gives a perfect listing (about 28 GB are used). > > > > What am I missing? > > > > Many thanks for a hint, > > Helmut. > > > > Hi Helmut, > Sorry for the problems. No real good ideas here, but assuming the > Win 7 VM is on the same Gentoo machine then it appears to be something > missing from Gentoo. I'd start by using the Win 7 disk tools: > > Control Panel -> System & Security -> Create & format hard disk partitions > > and look to see what Win 7 believes it's talking to. > > Also, make sure if you have the VM running that it isn't > automatically mounting the Garmin which would make the SD unavailable > to Linux. Handle that in the Virtualbox->Device menu. > > Best of luck. Sounds like an interesting problem, if that's possible. > > Cheers, > Mark > >