Re: [gentoo-user] systemd-197-r1 starts gdm-3.6.2

["Canek Peláez Valdés" <caneko@gmail.com>]

On Wed, Feb 13, 2013 at 12:17 PM, Stefan G. Weichinger <lists@xunil.at> wrote:
> Am 2013-02-10 15:41, schrieb Stefan G. Weichinger:
>> conflicting device node
>> '/dev/mapper/swap' found
>
> googled that and found this similar issue:
>
> https://bugs.archlinux.org/task/32403
>
> The command there returns on my thinkpad:
>
>
> # journalctl -b --no-pager _SYSTEMD_UNIT=systemd-udevd.service
> -- Logs begin at Mit 2012-08-15 20:16:00 CEST, end at Mit 2013-02-13
> 19:03:42 CET. --
> Feb 13 18:48:30 enzo systemd-udevd[4415]: failed to execute
> '/lib/udev/lmt-udev' '/lib/udev/lmt-udev auto': No such file or directory
> Feb 13 18:48:30 enzo systemd-udevd[4519]: failed to execute
> '/lib/udev/lmt-udev' '/lib/udev/lmt-udev force modules=usb-autosuspend
> devices=1-1.3:1...directory
> Feb 13 18:48:30 enzo systemd-udevd[3857]: conflicting device node
> '/dev/mapper/swap' found, link to '/dev/dm-0' will not be created
> Feb 13 18:53:28 enzo systemd-udevd[5411]: conflicting device node
> '/dev/mapper/_dev_sda4' found, link to '/dev/dm-1' will not be created
>
>
> hmm.
>
> Might be that I have some outdated udev-rules, right?
>
> # equery f udev | grep rules
>
> /lib/udev/rules.d/40-gentoo.rules
> /lib/udev/rules.d/42-usb-hid-pm.rules
> /lib/udev/rules.d/50-udev-default.rules
> /lib/udev/rules.d/60-cdrom_id.rules
> /lib/udev/rules.d/60-persistent-alsa.rules
> /lib/udev/rules.d/60-persistent-input.rules
> /lib/udev/rules.d/60-persistent-serial.rules
> /lib/udev/rules.d/60-persistent-storage-tape.rules
> /lib/udev/rules.d/60-persistent-storage.rules
> /lib/udev/rules.d/60-persistent-v4l.rules
> /lib/udev/rules.d/61-accelerometer.rules
> /lib/udev/rules.d/64-btrfs.rules
> /lib/udev/rules.d/75-net-description.rules
> /lib/udev/rules.d/75-probe_mtd.rules
> /lib/udev/rules.d/75-tty-description.rules
> /lib/udev/rules.d/78-sound-card.rules
> /lib/udev/rules.d/80-drivers.rules
> /lib/udev/rules.d/80-net-name-slot.rules
> /lib/udev/rules.d/95-keyboard-force-release.rules
> /lib/udev/rules.d/95-keymap.rules
> /lib/udev/rules.d/95-udev-late.rules
>
> while I have stuff like this in /lib/udev/rules.d:
>
> # ls -1 /lib/udev/rules.d/
> 10-dm.rules
> 11-dm-lvm.rules
> 13-dm-disk.rules
> 40-gentoo.rules
> 40-usb-media-players.rules
> 40-usb_modeswitch.rules
> 42-usb-hid-pm.rules
> 50-udev-default.rules
> 60-cdrom_id.rules
> 60-fprint-autosuspend.rules
> 60-persistent-alsa.rules
> 60-persistent-input.rules
> 60-persistent-serial.rules
> 60-persistent-storage.rules
> 60-persistent-storage-tape.rules
> 60-persistent-v4l.rules
> 60-vmware.rules
> 60-zvol.rules
> 61-accelerometer.rules
> 61-gnome-bluetooth.rules
> 64-btrfs.rules
> 64-md-raid.rules
> 65-kvm.rules
> 69-cd-sensors.rules
> 69-dm-lvm-metad.rules
> 69-vdev.rules
> 70-libgphoto2.rules
> 70-power-switch.rules
> 70-printers.rules
> 70-uaccess.rules
> 71-seat.rules
> 73-seat-late.rules
> 75-net-description.rules
> 75-probe_mtd.rules
> 75-tty-description.rules
> 77-mm-ericsson-mbm.rules
> 77-mm-longcheer-port-types.rules
> 77-mm-nokia-port-types.rules
> 77-mm-pcmcia-device-blacklist.rules
> 77-mm-platform-serial-whitelist.rules
> 77-mm-simtech-port-types.rules
> 77-mm-usb-device-blacklist.rules
> 77-mm-x22x-port-types.rules
> 77-mm-zte-port-types.rules
> 77-nm-olpc-mesh.rules
> 78-sound-card.rules
> 80-drivers.rules
> 80-mm-candidate.rules
> 80-net-name-slot.rules
> 80-udisks2.rules
> 80-udisks.rules
> 85-regulatory.rules
> 90-alsa-restore.rules
> 90-network.rules
> 90-pulseaudio.rules
> 90-zfs.rules
> 95-cd-devices.rules
> 95-dm-notify.rules
> 95-keyboard-force-release.rules
> 95-keymap.rules
> 95-osinfo.rules
> 95-udev-late.rules
> 95-upower-battery-recall-dell.rules
> 95-upower-battery-recall-fujitsu.rules
> 95-upower-battery-recall-gateway.rules
> 95-upower-battery-recall-ibm.rules
> 95-upower-battery-recall-lenovo.rules
> 95-upower-battery-recall-toshiba.rules
> 95-upower-csr.rules
> 95-upower-hid.rules
> 95-upower-wup.rules
> 97-bluetooth-hid2hci.rules
> 99-fuse.rules
> 99-ntfs3g.rules
> 99-systemd.rules
>
> *sigh*
>
> Before I completely ruin that setup:
>
> Would someone pls compare that directory's content with mine and tell me
> what to get rid of?

You should not be deleting rules arbitrarily from your system;
perharps you have orphan rules, and you can detect that by equery'ing
to what package each rule belongs.

> I assume the problematic files (in the issue with encrypted swap) come
> from lvm2:
>
> # equery b 10-dm.rules
>  * Searching for 10-dm.rules ...
> sys-fs/lvm2-2.02.98 (/lib/udev/rules.d/10-dm.rules)
>
> # equery b 11-dm-lvm.rules
>  * Searching for 11-dm-lvm.rules ...
> sys-fs/lvm2-2.02.98 (/lib/udev/rules.d/11-dm-lvm.rules)
>
> ....
>
> I will unmerge lvm2 for now as I think I don't need it on the laptop (I
> don't use PVs/VGs/LVs here and that device-mapper-stuff happens
> elsewhere, correct?)

LVM2 will be pulled again by udisks2; it's a mandatory dependency. I
don't think the problem is related to LVM, but I don't really know.

Regards.
-- 
Canek Peláez Valdés
Posgrado en Ciencia e Ingeniería de la Computación
Universidad Nacional Autónoma de México