devfs.conf & usb-thumbdrives.

Julien Gabel jpeg at thilelli.net
Mon Aug 29 22:25:47 GMT 2005


> I recently bought some Samsung USB-stick:
> umass0: 0 USB DRIVE, rev 2.00/2.00, addr 2
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: < USB DRIVE 2.00> Removable Direct Access SCSI-2 device
> da0: 40.000MB/s transfers
> da0: Attempt to query device size failed: UNIT ATTENTION, Not ready to
> ready change, it 1 GB.
>
> I created a devfs.conf-entry like this:
> lbe# egrep da0 /etc/devfs.conf
> perm    da0     770
> perm    da0s1   770
>
> but the permissions are still like this:
> lbe# ll /dev/da0*
> crw-r-----  1 root  operator   11, 112 29 Aug 23:13 /dev/da0
> crw-r-----  1 root  operator   11, 115 30 Aug 00:15 /dev/da0s1
>
> I first need to restart devfs:
> lbe# /etc/rc.d/devfs restart
> lbe# ll /dev/da0*
> crwxrwx---  1 root  operator   11, 112 29 Aug 23:13 /dev/da0
> crwxrwx---  1 root  operator   11, 115 29 Aug 23:13 /dev/da0s1
>
> Why does it ignore these settings until a restart of the service?

For devices not available at boot time, you must prefer devfs.rules(5).

-- 
-jpeg.



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