[Nut-upsuser] Is newhidups driver still in memory just before o/s halt ?

Charles Lepple clepple at gmail.com
Thu Mar 22 17:20:38 CET 2007

On 3/22/07, Marc Rechté <marc2 at rechte.fr> wrote:
> Hi,
> I have set-up the ups shutdown feature provided by Red Hat
> /etc/rc.d/init.d/halt script, which will issue a "upsdrvctl shutdown"
> command just before powering off the system.
> It appears that this command fails as if the driver is not available.
> I wonder whether the usb driver / stack is still available at this very
> late stage ?

The stack is still available, but the USB filesystem (/proc/bus/usb or
/dev/bus/usb) might have been unmounted. It is generally safe to
remount it, since it does not map to persistent storage.

Which RedHat version/distro are you working with?

- Charles Lepple

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