[lug] Mutex destroy failure - USB Card Reader

Trent Turner trentturner at comcast.net
Sat Mar 27 10:05:09 MST 2004


Never mind, a quick read at the Linux Howto's showed me how to create
the /mnt/flash directory.  Now I can access the flash drive!

So long & good luck on the freeway which is already in progress!

On Sat, 2004-03-27 at 09:43, Trent Turner wrote:
> Good Morning!
> 
> 	I am trying to get a USB SD/MMC card reader to work under Fedora Core 1
> - Krud 2004-03
> 
> 	I get the following message after adding a line to /etc/fstab for the
> reader: 
> 
> 	mount Mutex destroy failure: Device or resource busy
> 
> 	Can anyone help me get past this error?
> 
> TIA,
> Trent
> 
> 	Here are some more details:
> 
> 	I have followed the instructions at this website: 
> http://www.cs.sfu.ca/~ggbaker/personal/cf-linux  (THANKS Greg for very
> clear & easy to follow instructions!)
> 
> 	Basically, it involved installing sg3_utils, & running sg_scan & sg_map
> to determine the device name(?) of my reader.  I found it in all the
> prescribed ways:
> 
> 	cat /proc/bus/usb/devices  - showed the reader as a device known to
> linux
> 
> 	sg_scan -i  - showed the device /dev/sg0 as a USB Disk Drive with lots
> of unknown parameters
> 
> 	sg_map - showed /dev/sg0 mapped to /dev/sda
> 
> 	so then to be able to mount the device, i got into root, edited my
> /etc/fstab with the following line: 
> 
> 	/dev/sda1 /mnt/flash vfat noauto,user 0 0
> 
> 	Upon exiting the editor (Kate - I have yet to master a real linux
> editor & prob wont given my keyboard layout ;-)  I got the following
> tacky message:  
> 
> 	mount Mutex destroy failure: Device or resource busy
> 
> 	I had used 'su' to get into root from a shell console & then edited the
> file w/'kate /etc/fstab'.  I did this to avoid having to login as root.
> 
> 	It took me a while to figure out that this message was a result of
> updating /etc/fstab.  Since I was in root, I'm thinking this is not an
> access problem to the /mnt directory.
> 
> 	
> 
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