On Tue, Oct 04, 2011 at 03:09:34AM +0200, Kay Sievers wrote: > On Mon, Oct 3, 2011 at 18:41, William Hubbs <w.d.hubbs@xxxxxxxxx> wrote: > > we have the following bug posted in gentoo's bugzilla: > > > > http://bugs.gentoo.org/show_bug.cgi?id=365227. > > > > The reporter is telling me that we should use --action=change instead of > > --action=add in the cold boot sequence when dev is devtmpfs. However, > > this doesn't seem to be the correct fix based on earlier discussions on > > this list. > > > > Does anyone else have any suggestions for fixing this? My thought is > > that the rules for lvm2 should be fixed. What does everyone else think? > > --action=add is still the recommended and default way of doing coldplug. > > It should only be done once after udevd is started though, and never > again. All later triggers should be change only. The reporter is now saying that --action=add does not touch nodes that are already in the file system, so, for example, if you mount devtmpfs on /dev then call udevadm trigger --action=add, the permissions, ownership, etc, of nodes that already exist are not touched. So, he is suggesting that we add another udevadm trigger call with --action=change to the cold boot sequence. Is this a bug in udev, or should we add this extra udevadm trigger call? William
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