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Bug 371965

Summary: =sys-fs/udev-171-r1 with =sys-fs/multipath-tools-0.4.9-r2 - /dev entries are not created
Product: Gentoo Linux Reporter: Andreis Vinogradovs ( slepnoga ) <andreis.vinogradovs>
Component: [OLD] Core systemAssignee: Gentoo's Team for Core System packages <base-system>
Status: RESOLVED NEEDINFO    
Severity: normal CC: pva, udev-bugs
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Andreis Vinogradovs ( slepnoga ) 2011-06-16 21:46:30 UTC
possibly incorrect logic of RC system (udev, init script) with lvm and kpartx.

Reproducible: Always

Steps to Reproduce:
1. Create LV lvm, for example: /dev/VG00/test
Create MBR partitions with fdisk on this LV.
2.run command: kpartx -a , partitions will be added to the system.
( for example - /dev/mapper/VG00-testp{1,2,3...} )
create dmtab file:  dmsetup table >> /etc/dmtab and add device-mapper in boot runlevel
3. create  LVM physical volume amd  volume group in /dev/mapper/VG00-testp1 ( for example named NESTED ) and reboot
Actual Results:  
after reboot RC systems ( udev, etc ..) not create device in /dev for (NESTED) new VG


software version:

venera ~ # emerge --info
Portage 2.2.0_alpha40 (default/linux/amd64/10.0/desktop/kde, gcc-4.5.2, glibc-2.13-r2, 2.6.39-gentoo x86_64)
=================================================================
System uname: Linux-2.6.39-gentoo-x86_64-Intel-R-_Pentium-R-_D_CPU_2.80GHz-with-gentoo-2.0.2
Timestamp of tree: Thu, 16 Jun 2011 06:00:01 +0000
app-shells/bash:          4.2_p10
dev-lang/python:          2.7.1-r1, 3.2
dev-util/cmake:           2.8.4-r1
sys-apps/baselayout:      2.0.2
sys-apps/openrc:          0.8.2-r1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.11.1-r1
sys-devel/binutils:       2.21
sys-devel/gcc:            4.5.2
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 2.6.38 (virtual/os-headers)
sys-libs/glibc:           2.13-r2
Repositories: gentoo my-dev rion
Installed sets: 
ACCEPT_KEYWORDS="amd64 ~amd64"

=sys-fs/udev-171-r1
=sys-fs/multipath-tools-0.4.9-r2

venera ~ # uname  -a
Linux venera 2.6.39-gentoo #1 SMP PREEMPT Tue May 24 13:33:07 EEST 2011 x86_64 Intel(R) Pentium(R) D CPU 2.80GHz GenuineIntel GNU/Linux
Comment 1 Jeroen Roovers (RETIRED) gentoo-dev 2011-06-16 23:16:55 UTC
wtf?
Comment 2 Jeroen Roovers (RETIRED) gentoo-dev 2011-06-16 23:19:25 UTC
Please post your entire `emerge --info sys-fs/udev sys-fs/multipath-tools' output (not just the bits you liked).
Comment 3 Andreis Vinogradovs ( slepnoga ) 2011-06-17 06:07:08 UTC
emerge --info sys-fs/udev sys-fs/multipath-tools
Portage 2.2.0_alpha40 (default/linux/amd64/10.0/desktop/kde, gcc-4.5.2, glibc-2.13-r2, 2.6.39-gentoo x86_64)
=================================================================
                        System Settings
=================================================================
System uname: Linux-2.6.39-gentoo-x86_64-Intel-R-_Pentium-R-_D_CPU_2.80GHz-with-gentoo-2.0.2
Timestamp of tree: Thu, 16 Jun 2011 06:00:01 +0000
app-shells/bash:          4.2_p10
dev-lang/python:          2.7.1-r1, 3.2
dev-util/cmake:           2.8.4-r1
sys-apps/baselayout:      2.0.2
sys-apps/openrc:          0.8.2-r1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.11.1-r1
sys-devel/binutils:       2.21
sys-devel/gcc:            4.5.2
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 2.6.38 (virtual/os-headers)
sys-libs/glibc:           2.13-r2
Repositories: gentoo my-dev rion
Installed sets: 
ACCEPT_KEYWORDS="amd64 ~amd64"                                                                                                                                                                                       
ACCEPT_LICENSE="*"                                                                                                                                                                                                   
CBUILD="x86_64-pc-linux-gnu"                                                                                                                                                                                         
CFLAGS="-O2 -pipe -mtune=native -msse2 -ggdb"                                                                                                                                                                        
CHOST="x86_64-pc-linux-gnu"                                                                                                                                                                                          
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt"                                                                                                                                               
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"                                                     
CXXFLAGS="-O2 -pipe -mtune=native -msse2 -ggdb"                                                                                                                                                                      
DISTDIR="/usr/portage/distfiles"                                                                                                                                                                                     
FEATURES="assume-digests binpkg-logs buildpkg candy distlocks ebuild-locks fixlafiles fixpackages metadata-transfer news parallel-fetch preserve-libs protect-owned sandbox sfperms splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv"                                                                                                                                                              
FFLAGS=""                                                                                                                                                                                                            
GENTOO_MIRRORS="http://distfiles.gentoo.org"                                                                                                                                                                         
LANG="ru_RU.UTF-8"                                                                                                                                                                                                   
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu -Wl,--sort-common"                                                                                                                                             
LINGUAS="ru lv"                                                                                                                                                                                                      
MAKEOPTS="-j4"                                                                                                                                                                                                       
PKGDIR="/usr/portage/packages"                                                                                                                                                                                       
PORTAGE_COMPRESS="lzma"                                                                                                                                                                                              
PORTAGE_CONFIGROOT="/"                                                                                                                                                                                               
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"                       
PORTAGE_TMPDIR="/var/tmp"                                                                                                                                                                                            
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/home/slep/slepnoga/portage /home/slep/rion"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X a52 aac acl acpi alsa amd64 apng avahi bash-completion berkdb bluetooth branding bzip2 cairo caps cdr chm cli consolekit cracklib crypt cups cxx dbus declarative dri dts dvd dvdr edd emboss encode exif fam fax ffmpeg firefox flac fortran gdbm gdu gif gnome-keyring gpm gstreamer gtk iconv idn ipv6 isu ithreads jpeg kde kipi lcms ldap libnl libnotify lvm lzma mad mmx mng modules mp3 mp4 mpeg mpi mudflap multilib multimedia mysql ncurses nfs nls nptl nptlonly ogg okteta opengl openmp pam pango parted pcap pch pcre pdf perl phonon plasma png policykit ppds pppd python python2 qt3support qt4 readline samba scanner sdl semantic-desktop session smp spell sqlite sse sse2 ssl startup-notification subversion suexec svg sysfs tcpd threads thumbnail tiff truetype udev uml unicode usb vim-syntax virt-network vorbis x264 xattr xcb xcomposite xen xine xinerama xml xorg xscreensaver xulrunner xv xvid zeroconf zlib" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="braindump flow karbon kexi kpresenter krita tables words" CAMERAS="ptp2" COLLECTD_PLUGINS="rrdtool" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="ru lv" PHP_TARGETS="php5-3" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby18" SANE_BACKENDS="net" USERLAND="GNU" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" 
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

=================================================================
                        Package Settings
=================================================================

sys-fs/udev-171-r1 was built with the following:
USE="acl (consolekit) edd extras gudev hwdb keymap (multilib) (policykit) rule_generator -action_modeswitch -debug -floppy (-introspection) (-selinux) -test"


sys-fs/multipath-tools-0.4.9-r2 was built with the following:
USE="(consolekit) (multilib) (policykit)"
Comment 4 SpanKY gentoo-dev 2011-06-18 02:56:08 UTC
please post the output of `rc-status`
Comment 5 Andreis Vinogradovs ( slepnoga ) 2011-06-18 19:24:19 UTC
ult
 syslog-ng                                                                                                                                                                                              [  started  ]
 net.eth0                                                                                                                                                                                               [  started  ]
 postfix                                                                                                                                                                                                [  started  ]
 dbus                                                                                                                                                                                                   [  started  ]
 consolekit                                                                                                                                                                                             [  started  ]
 acpid                                                                                                                                                                                                  [  started  ]
 sshd                                                                                                                                                                                                   [  started  ]
 udev-postmount                                                                                                                                                                                         [  started  ]
 lvm-monitoring                                                                                                                                                                                         [  started  ]
 gpm                                                                                                                                                                                                    [  started  ]
 anacron                                                                                                                                                                                                [  started  ]
 rpc.statd                                                                                                                                                                                              [  started  ]
 lm_sensors                                                                                                                                                                                             [  started  ]
 xdm-setup                                                                                                                                                                                              [  started  ]
 xdm                                                                                                                                                                                                    [  started  ]
 vixie-cron                                                                                                                                                                                             [  started  ]
 ntpd                                                                                                                                                                                                   [  started  ]
 fuse                                                                                                                                                                                                   [  started  ]
 rpc.pipefs                                                                                                                                                                                             [  started  ]
 rpc.idmapd                                                                                                                                                                                             [  started  ]
 alsasound                                                                                                                                                                                              [  started  ]
Runlevel: nonetwork
 syslog-ng                                                                                                                                                                                              [  started  ]
 acpid                                                                                                                                                                                                  [  started  ]
 gpm                                                                                                                                                                                                    [  started  ]
 local                                                                                                                                                                                                  [  stopped  ]
Runlevel: boot
 hwclock                                                                                                                                                                                                [  started  ]
 modules                                                                                                                                                                                                [  started  ]
 lvm                                                                                                                                                                                                    [  started  ]
 device-mapper                                                                                                                                                                                          [  started  ]
 sysctl                                                                                                                                                                                                 [  started  ]
 fsck                                                                                                                                                                                                   [  started  ]
 root                                                                                                                                                                                                   [  started  ]
 mtab                                                                                                                                                                                                   [  started  ]
 localmount                                                                                                                                                                                             [  started  ]
 bootmisc                                                                                                                                                                                               [  started  ]
 termencoding                                                                                                                                                                                           [  started  ]
 keymaps                                                                                                                                                                                                [  started  ]
 procfs                                                                                                                                                                                                 [  started  ]
 consolefont                                                                                                                                                                                            [  started  ]
 urandom                                                                                                                                                                                                [  started  ]
 hostname                                                                                                                                                                                               [  started  ]
 net.lo                                                                                                                                                                                                 [  started  ]
 swap                                                                                                                                                                                                   [  started  ]
 alsasound                                                                                                                                                                                              [  started  ]
Runlevel: single
Runlevel: sysinit
 dmesg                                                                                                                                                                                                  [  started  ]
 udev                                                                                                                                                                                                   [  started  ]
 devfs                                                                                                                                                                                                  [  started  ]
Runlevel: shutdown
 killprocs                                                                                                                                                                                              [  stopped  ]
 savecache                                                                                                                                                                                              [  stopped  ]
 mount-ro                                                                                                                                                                                               [  stopped  ]
Dynamic Runlevel: hotplugged
 net.eth0                                                                                                                                                                                               [  started  ]
 bluetooth                                                                                                                                                                                              [  started  ]
Dynamic Runlevel: needed
 sysfs                                                                                                                                                                                                  [  started  ]
 dmeventd                                                                                                                                                                                               [  started  ]
 rpcbind                                                                                                                                                                                                [  started  ]
Dynamic Runlevel: manual
Comment 6 SpanKY gentoo-dev 2011-06-18 19:28:31 UTC
i dont see the multipath init.d in there.  did you add it to your boot runlevel like the ebuild said to ?

    elog "If you need multipath on your system, you must"
    elog "add 'multipath' into your boot runlevel!"
Comment 7 Andreis Vinogradovs ( slepnoga ) 2011-06-24 08:53:50 UTC
Well, I installed multipatch. Result unchanged.

Let me ask you, how it ( multipatch ) relates to the problem?
IMHO, problem in the logic of the RC system:
Kpartx udev rules work after lvm, and lvm  not again scan devices;
May be the solution becomes the following - trap kernel event to create kpartx devices and run pvscan again ?
Comment 8 SpanKY gentoo-dev 2011-06-27 03:03:13 UTC
i have no idea as i've never used multipath-tools.  i just pointed out a log entry that you missed.

openrc doesnt care about inter-device dependencies, especially as every system does them differently.
Comment 9 William Hubbs gentoo-dev 2011-12-04 14:59:22 UTC
Comment #6 asked for a specific answer, but the reporter hasn't
responded in close to 6 months.

Please feel free to re-open if this is still an issue.

Thanks,

William