On 31 October 2011 19:30, Felix Kuperjans wrote: > Hello Carlos, > > this error is just telling you that udisks did not succeed in powering > down the USB device, but actually it was unmounted cleanly (so no data will > be lost). > > The reason is most likely a missing kernel option: > > "USB runtime power management (autosuspend) and wakeup" in "Device > Drivers" -> "USB support". > Note that this option only shows up when "Run-time PM core functionality" > in "Power management and ACPI options" is enabled. > > Maybe someone could make the ebuild check for this option and issue a > warning if it is unset? > > Regards, > Felix > > Hello Felix, Thank you for your answer and your explanation, I was a little bit confused about this; I will check my Kernel configuration and rebuild with these options, to avoid this messages. It would be great if it could show a warning if this options are unset (to let us know) Regards, -- Carlos Sura.- www.carlossura.com