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[MegaBrutal <ubuntu@xxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1396213 ***
    https://bugs.launchpad.net/bugs/1396213

** This bug has been marked a duplicate of bug 1396213
   LVM VG is not activated during system boot

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https://bugs.launchpad.net/bugs/995645

Title:
  udevd: timeout: killing 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm
  vgchange -a y''

Status in lvm2 package in Ubuntu:
  Confirmed

Bug description:
  Boot takes a long time during which the console reports:

  
  [  100.224928] device-mapper: table: 252:40: snapshot: Snapshot cow pairing for exception table handover failed
  udevd[617]: timeout: killing 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' [1148]

  udevd[617]: 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a
  y'' [1148] terminated by signal 9 (Killed)

  Then the boot stalls waiting to mount /usr and I have to use M to
  manually recover.

  When I get into the recovery shell, a read from
  /dev/rootvol_tmp/ubuntu_usr returns 0 bytes and I have to run
  "vgchange -a y" before I can get a read from that LV to return data.
  At that point I can drop out of the recovery shell and boot will
  continue.

  I have the following LVs on this system:

  # lvs
    LV                   VG          Attr   LSize   Origin      Snap%  Move Log Copy%  Convert
    video                datavol     -wn-ao 698.19g                                           
    video_tmp            datavol     -wi-a- 233.32g                                           
    apt_archives         rootvol_tmp -wi-a-   1.00g                                           
    home                 rootvol_tmp -wi-ao   1.78g                                           
    lucid                rootvol_tmp -wi-a-   3.00g                                           
    lucid_root           rootvol_tmp swi-a-   1.00g ubuntu_root  34.70                        
    lucid_usr            rootvol_tmp swi-a-   5.00g ubuntu_usr   42.22                        
    lucid_var            rootvol_tmp swi-a-   4.00g ubuntu_var   39.57                        
    myth-0.24_root       rootvol_tmp swi-a-   1.00g ubuntu_root  34.66                        
    myth-0.24_usr        rootvol_tmp swi-a-   5.00g ubuntu_usr   35.68                        
    natty_root           rootvol_tmp swi-a- 500.00m ubuntu_root  49.99                        
    natty_usr            rootvol_tmp swi-a-   2.49g ubuntu_usr   58.34                        
    swap                 rootvol_tmp -wi-ao 512.00m                                           
    ubuntu_root          rootvol_tmp owi-ao 500.00m                                           
    ubuntu_root-20111213 rootvol_tmp swi-a- 500.00m ubuntu_root  70.96                        
    ubuntu_root-20120209 rootvol_tmp swi-a- 500.00m ubuntu_root  70.95                        
    ubuntu_root-20120214 rootvol_tmp swi-a- 500.00m ubuntu_root  70.94                        
    ubuntu_root-20120220 rootvol_tmp swi-a- 500.00m ubuntu_root  70.93                        
    ubuntu_root-20120313 rootvol_tmp swi-a- 500.00m ubuntu_root  70.93                        
    ubuntu_root-20120319 rootvol_tmp swi-a- 500.00m ubuntu_root  70.90                        
    ubuntu_root-20120412 rootvol_tmp swi-a- 500.00m ubuntu_root  50.03                        
    ubuntu_usr           rootvol_tmp owi-ao   2.49g                                           
    ubuntu_usr-20111213  rootvol_tmp swi-a-   2.49g ubuntu_usr   69.04                        
    ubuntu_usr-20120209  rootvol_tmp swi-a-   2.49g ubuntu_usr   68.64                        
    ubuntu_usr-20120214  rootvol_tmp swi-a-   2.49g ubuntu_usr   67.79                        
    ubuntu_usr-20120220  rootvol_tmp swi-a-   2.49g ubuntu_usr   67.52                        
    ubuntu_usr-20120313  rootvol_tmp swi-a-   2.49g ubuntu_usr   67.41                        
    ubuntu_usr-20120319  rootvol_tmp swi-a-   2.49g ubuntu_usr   66.21                        
    ubuntu_usr-20120412  rootvol_tmp swi-a-   2.49g ubuntu_usr   65.69                        
    ubuntu_var           rootvol_tmp owi-ao   1.99g                                           

  That's probably more than most people, but certainly not enough to
  warrant an unbootable system I should not think.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: udev 175-0ubuntu9
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic i686
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: i386
  CurrentDmesg:
   [  237.755758] NFSD: starting 90-second grace period
   [  256.877022] SysRq : Changing Loglevel
   [  256.880020] Loglevel set to 8
  CustomUdevRuleFiles: 85-alsa.rules 85-ifupdown.rules 85-mdadm.rules 41-mythtv-permissions.rules
  Date: Sun May  6 17:02:19 2012
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic root=/dev/mapper/rootvol_tmp-ubuntu_root ro console=ttyS0,115200 console=tty0 resume=/dev/mapper/rootvol-swap crashkernel=384M-2G:64M,2G-:128M vmalloc=256M
  SourcePackage: udev
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/26/2004
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080009
  dmi.board.name: P4P800SE
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: Rev 2.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080009:bd03/26/2004:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASUSTeKComputerInc.:rnP4P800SE:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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