The need to re-detect usb-storage devices (on resume and on-the-fly plugging)

David Zeuthen david at
Sun Apr 1 19:53:39 UTC 2007

On Mon, 2007-03-26 at 22:48 -0400, Michel Salim wrote:
> > Actually, I must admit, this doesn't work for me - I just tried. Upon
> > resume (from from disk and from RAM), the kernel emits uevents to remove
> > the devices, then adds them again. I don't see other device nodes being
> > used though - my guess is that you have open files on the drive when you
> > tested this? Hmm.. I can only guess that you didn't mount the partitions
> > through HAL (using gnome-mount or GNOME) because if you did, we would
> > have lazy unmounted the file system when we saw the device node going
> > away...
> >
> Yup; I see extra nodes being created only I manually mounted the
> removable partition in the first place (e.g. when I forgot to plug the
> device at boot)

Right, that's why - HAL will only lazy unmount file systems originating
from an unplugged device, if that file system was mounted through HAL.
So it all makes sense now.


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