[TriLUG] USB memory key, removal, IO errors

[Joseph Tate]

Frye, Matthew wrote:

> After I umount my usb key, I receive IO errors when I pull it out.  See
> below:
> 
> Mar 25 11:14:17 hermes kernel: usb.c: USB disconnect on device 00:14.2-2
> address 2
> Mar 25 11:14:17 hermes kernel: sda: Unit Not Ready, sense:
> Mar 25 11:14:17 hermes kernel: Info fld=0xa00 (nonstd), Current 00:00: sense
> key Not Ready
> Mar 25 11:14:17 hermes kernel: sda : READ CAPACITY failed.
> Mar 25 11:14:17 hermes kernel: sda : status = 1, message = 00, host = 0,
> driver = 08
> Mar 25 11:14:17 hermes kernel: Info fld=0xa00 (nonstd), Current sd00:00:
> sense key Not Ready
> Mar 25 11:14:17 hermes kernel: sda : block size assumed to be 512 bytes,
> disk size 1GB.
> Mar 25 11:14:17 hermes kernel: sda: test WP failed, assume Write Enabled
> Mar 25 11:14:17 hermes kernel:  sda: I/O error: dev 08:00, sector 0
> Mar 25 11:14:17 hermes kernel:  I/O error: dev 08:00, sector 0
> Mar 25 11:14:17 hermes kernel:  unable to read partition table
> 
> Is there a step I am missing?  Perhaps something I "should" be doing before
> I yank 'er out of the usb port?  I just don't like to ignore errors.
> 
> Matt
> 

eject perhaps?  On some USB devices you had to do this on win2k or you'd 
end up with data corruption sometimes.  I'm just pulling straws though.