Hi Am 25.04.2017 um 10:53 schrieb Vincent Lefevre: > After a reboot of a Debian/unstable machine, I got: > > /dev/cdrw -> sr1 > > while it was > > /dev/cdrw -> sr0 [..] > Is it normal that the device names are not stable? > > In particular, it is strange that all the symlinks point to sr0 > except cdrw, which now points to sr1. The udev rules responsible for creating those symlinks is /lib/udev/rules.d/80-debian-compat.rules or https://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/extra/rules/80-debian-compat.rules#n18 See the comment in there: # These rules will create symlinks for CD/DVD drives, to help old # programs which are unable to automatically discover the devices. # The first detected device gets the symlink, but this is not stable across # reboots. So, yes, what you see can happen depending on the order devices are discovered. Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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