On 08/25/2013 01:13 PM, Bruce Dubbs wrote: > Baho Utot wrote: >> On 08/25/2013 12:17 PM, Bruce Dubbs wrote: >>> Baho Utot wrote: >>>> On 08/25/2013 11:36 AM, Bruce Dubbs wrote: >>>>>> I have found that when there is not a cd/dvd in the drive there is no >>>>>> symlink /dev/cdrom so maybe eject then finds nothing to eject? >>>>>> After a cd/dvd/ is placed into the drive /dev/cdrom is there and eject >>>>>> works. >>>>> What version of udev are you using? There is nothing that I know of >>>>> that should remove the /dev/cdrom symlink. The symlink should be >>>>> created when the system boots. Is this perhaps a usb cdrom? >>>>> >>>>> Do you have /dev/sr0? >>>> udev 204 >>>> >>>> This is on a Dell lapdog tye cd/dvd/ is internal >>>> >>>> Yes /dev/sr0 is there >>>> >>>> I should have a new system built with 206 sometime today as it is still >>>> building >>> I really don't think there should be a difference for cdroms between >>> udev 204 and 206. Try 'dmesg|grep -i cdrom' That should indicate >>> whether the kernel found the device. When udev is started in the boot >>> scripts, it should create a symlik from >> [ 1.471298] cdrom: Uniform CD-ROM driver Revision: 3.20 >> >> find / -name 60-cdrom_id.rules >> >> /lib/udev/rules.d/60-cdrom_id.rules >> >> >>> 60-cdrom_id.rules: >>> >>> KERNEL=="sr0", SYMLINK+="cdrom", OPTIONS+="link_priority=-100" >> Yes it is there >> >>> Note that in /etc/udev/rules.d there are a couple of cdrom related >>> rules. It should generate /etc/udev/rules.d/70-persistent-cd.rules. >>> >>> You might want to try to trace through that. >>> >>> -- Bruce >>> >> I have >> /etc/udev/rules.d/70-persistent-net.rules >> /etc/udev/rules.d/81-cdrom.rules >> /etc/udev/rules.d/83-cdrom-symlinks.rules > One thing you might try is this. Change the bootscripts to not run > udevd (or the retry). The system should come up fine, but some symlinks > or permissions may be missing/wrong. > > The run from the command line as root: > > /lib/udev/udevd --debug |tee /run/udev-debug.log > > You should be able to get some info about how udev perceives the cdrom. > > -- Bruce > Ok I will try that later after the current build finishes
-- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
