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[Jonas Pedersen <1451019@xxxxxxxxxxxxxxxxxx>]

I have the samme issue on 15.10. Trying to move one lv from slow HDD to
fast SSD. dmesg tells me that a segfault has happened.

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https://bugs.launchpad.net/bugs/1451019

Title:
  pvmove: segfault at a8 ip 00007f0f15a5613e sp 00007ffcdb27a7c0 error 4
  in lvm

Status in lvm2 package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  i want to move all data away from an mdraid.

  # pvmove /dev/md126 -v
      DEGRADED MODE. Incomplete RAID LVs will be processed.
      Cluster mirror log daemon not included in build.
      Finding volume group "system01"
  Speicherzugriffsfehler

  but nothing happens

  dmesg: pvmove[24217]: segfault at a8 ip 00007fd8b6e9d13e sp
  00007ffe130ac520 error 4 in lvm[7fd8b6dfd000+12e000]

  # pvs -v /dev/md126
      DEGRADED MODE. Incomplete RAID LVs will be processed.
      Wiping cache of LVM-capable devices
      Using physical volume(s) on command line
    PV         VG       Fmt  Attr PSize   PFree   DevSize PV UUID                               
    /dev/md126 system01 lvm2 a--  250,00g 246,00g 250,00g SUP2fh-w3eV-Ere8-C5nZ-XQPI-LOGD-2TptAm

  # lvs -v system01
      DEGRADED MODE. Incomplete RAID LVs will be processed.
      Using logical volume(s) on command line
    LV     VG       #Seg Attr       LSize  Maj Min KMaj KMin Pool Origin Data%  Meta%  Move Cpy%Sync Log Convert LV UUID                                LProfile
    mailfs system01    1 -wi-ao---- 35,00g  -1  -1  252    5                                                     cgs3Nw-sW35-2gmP-C9Nx-ahwD-s0ln-Arbpvu         
    rootfs system01    1 -wi-ao---- 15,00g  -1  -1  252    4                                                     NSbfMM-0BNE-Drle-61Ic-nCJM-wdZy-9as4Q0         
    swapfs system01    1 -wi-ao----  2,00g  -1  -1  252    3                                                     pKVsoP-1sfL-ZfHV-lJtz-3HvC-fUze-5589gs         
    tmp    system01    1 -wi-a-----  2,00g  -1  -1  252    1                                                     nVSnQ3-YrX9-12yO-Gqzd-jsLi-DktN-F15xzB         
    var    system01    1 -wi-ao---- 30,00g  -1  -1  252    0                                                     lbcx0Q-GQYZ-7Tue-Jhax-4Ds2-mUWg-ufEdha

  # pvscan 
    PV /dev/md126   VG system01   lvm2 [250,00 GiB / 246,00 GiB free]
    PV /dev/md18    VG system01   lvm2 [119,93 GiB / 39,93 GiB free]

  I'm using ubuntu 15.04 64 bit on an AMD with ECC RAM.
  How can i help to find the problem?

  Best Michael

  # lsb_release -rd
  Description:    Ubuntu 15.04
  Release:        15.04

  apt-cache policy lvm2
  lvm2:
    Installiert:           2.02.111-2ubuntu1
    Installationskandidat: 2.02.111-2ubuntu1
    Versionstabelle:
   *** 2.02.111-2ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

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