Trouble unmounting USB devices

John Wendel jwendel10 at
Fri Mar 11 04:36:34 UTC 2005

Kevin Kempter wrote:
> Hi all;
> I have 2 devices that I use often.
> 1. a 1Gig memory stick via a usb emory stick reader
> 2. a 40Gig Firelight USB2 exterenal hard drive
> both devices are immediately recognized and have no problems with usage. 
> However much of the time I cannot unmount the device. I get a message 
> that says the device is busy. I have no windows open which are "in" the 
> device directory.
> Any ideas?

Probably "/usr/libexec/gam_server" has grabbed a directory on the 
device. Run the command "lsof" to see what process has which files open.

I did "chmod 000 /usr/libexec/gam_server" to make it go away.


John Wendel

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