> Message: 3 > Date: Wed, 16 Sep 2009 21:13:33 -0700 > From: Bryan Kadzban <br...@kadzban.is-a-geek.net> > Subject: Re: Problems with setclock in > lfs-bootscripts-20090812 LFS > 6.5 > To: LFS Developers Mailinglist <lfs-dev@linuxfromscratch.org> > Message-ID: <4ab1b76d.4080...@kadzban.is-a-geek.net> > Content-Type: text/plain; charset="iso-8859-1" > > ga ho wrote: > >> It might be that your kernel's SUBSYSTEM is wrong > for this > >> device. Do you have CONFIG_SYSFS_DEPRECATED > turned on in the kernel > >> .config file? Udev docs claim it may not work with > that setting (though I > >> don't know if that will cause this type of failure > or not). > > > > CONFIG_SYSFS_DEPRECATED is not set in my .config > > OK, good. > > >> What does "/sbin/udevadm info -q path -n > /dev/rtc" > >> say? > > > > /devices/virtual/misc/rtc > > Ah! A misc-device! :-) > > >> Where does the /sys/$(/sbin/udevadm info -q path > -n /dev/rtc)/subsystem > >> symlink point to? > > > > lrwxrwxrwx 1 root root 0 2009-09-15 20:45 > /sys/devices/virtual/misc/rtc/subsystem -> > ../../../../class/misc > > OK, so I *suspect* the SUBSYSTEM here will be either > "misc", or something else entirely. Have to get the output from > the "udevadm info --attribute-walk" though. And that's really critical > at this point; see my last reply to Bruce for why... >
I've sorted it out !! In 55-lfs.rules I changes SUBSYSTEM=="rtc" to KERNEL=="rtc" and everything works as it should. I get the right time and the permissions of /dev/rtc are also correct. > > I have noticed that I have 3 udevd demons running whereas on my other > > Linux systems I only have one. So I'm going to try and track down why. > > Because newer versions of udevd pre-fork some child > processes to handle uevents -- there was a bunch of discussion a few udev > versions ago about which was faster, this or making it threaded. This > seemed to be. This is good to know as I thought I'd made a mistake when building udev. Thanks to everyone for their help and suggestions. Now I can move on to BLFS with confidence. Regards, Gary. Send instant messages to your online friends http://uk.messenger.yahoo.com -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
