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

Bug #1451019 reported by Michael Windelen
This bug affects 2 people
Affects Status Importance Assigned to Milestone
lvm2 (Ubuntu)

Bug Description


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"

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

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in lvm2 (Ubuntu):
status: New → Confirmed
Revision history for this message
Jonas Pedersen (jonasped) wrote :

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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