Bug#810687: mdadm: eats all cpu time on all cores

Michal Suchanek michal.suchanek at ruk.cuni.cz
Fri Jan 8 12:40:49 UTC 2016


Package: mdadm
Version: 3.3.4-1.1+b1
Severity: normal

hello,

mdadm eats all CPU time of all cores.

This ShouldNotHappen(tm)

I had a lvm volume on a disk which failed while I was trying to upgrade
the volume to raid1 so my raid configureation is very broken.

killing mdadm only helps temporarily. it restarts itself.

Is there any debug information I can provide before I trash the disks?

Thanks

Michal


-- Package-specific info:
--- mdadm.conf
CREATE owner=root group=disk mode=0660 auto=yes
HOMEHOST <system>
MAILADDR root
ARRAY metadata=ddf UUID=587baab3:c41402e5:c334b912:99c2ce3f
ARRAY container=587baab3:c41402e5:c334b912:99c2ce3f member=0 UUID=363fa001:b5660ad0:24715b0d:afaecdb2

--- /etc/default/mdadm
INITRDSTART='none'
AUTOCHECK=true
START_DAEMON=true
DAEMON_OPTIONS="--syslog"
VERBOSE=false

--- /proc/mdstat:
Personalities : [linear] [raid1] 
md126 : inactive sdg[0]
      975585280 blocks super external:/md127/0
       
md127 : inactive sdg[0](S)
      1177304 blocks super external:ddf
       
unused devices: <none>

--- /proc/partitions:
major minor  #blocks  name

   8       80   31266648 sdf
   8       81    4193280 sdf1
   8       82   27070464 sdf2
   8       96  976762584 sdg
   8      112  244198584 sdh
   8      113  244197376 sdh1
   8      128  244198584 sdi
   8      129   20481024 sdi1
   8      130    3148740 sdi2
   8      132  220564417 sdi4
   7        0   55562240 loop0
   8        0   30310400 sda
   8        1   30310384 sda1

--- LVM physical volumes:
  PV         VG       Fmt  Attr PSize   PFree
  /dev/sdg   scratchg lvm2 a--  931.51g 8.00m
--- mount output
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,relatime)
udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=1005252,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,relatime,size=1612848k,mode=755)
/dev/sdf2 on / type ext3 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=35,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
/dev/sdh1 on /srv/rhev type ext4 (rw,relatime,data=ordered)
/dev/sdi1 on /home type ext3 (rw,relatime,errors=remount-ro,data=ordered)
/dev/sdi4 on /scratch type ext3 (rw,relatime,data=ordered)
rpc_pipefs on /run/rpc_pipefs type rpc_pipefs (rw,relatime)
nfsd on /proc/fs/nfsd type nfsd (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=806424k,mode=700,uid=1000,gid=1000)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
usmb on /home/hramrach/mnt type fuse.usmb (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000,max_read=32768)
servo:/srv/samba/au on /home/hramrach/au type fuse.sshfs (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
servo:/srv/scratch/Incoming on /home/hramrach/inc type fuse.sshfs (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
usmb on /home/hramrach/win type fuse.usmb (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000,max_read=32768)
/dev/sda1 on /srv/flash type ext4 (rw,relatime,data=ordered)
usmb on /home/hramrach/data type fuse.usmb (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000,max_read=32768)
usmb on /home/hramrach/inst type fuse.usmb (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000,max_read=32768)
heretic:/media/sdg1 on /home/hramrach/test type fuse.sshfs (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)

--- initrd.img-3.16.0-4-amd64:

gzip: /boot/initrd.img-3.16.0-4-amd64: not in gzip format
cpio: premature end of archive

--- initrd's /conf/conf.d/md:
no conf/md file.

--- /proc/modules:
raid1 34596 0 - Live 0xffffffffa052f000
linear 12735 0 - Live 0xffffffffa050f000
md_mod 107672 2 raid1,linear, Live 0xffffffffa0546000
raid6_pq 95238 1 btrfs, Live 0xffffffffa01df000
dm_mod 89405 0 - Live 0xffffffffa0164000

--- /var/log/syslog:

--- volume detail:
/dev/sda:
   MBR Magic : aa55
Partition[0] :     60620768 sectors at           32 (type 0c)
--
/dev/sda1 is not recognised by mdadm.
/dev/sdb is not recognised by mdadm.
/dev/sdc is not recognised by mdadm.
/dev/sdd is not recognised by mdadm.
/dev/sde is not recognised by mdadm.
/dev/sdf:
   MBR Magic : aa55
Partition[0] :      8386560 sectors at         2048 (type 82)
Partition[1] :     54140928 sectors at      8388608 (type 83)
--
/dev/sdf1 is not recognised by mdadm.
/dev/sdf2:
   MBR Magic : aa55
Partition[0] :    432871117 sectors at   3224498923 (type 07)
Partition[1] :   1953460034 sectors at   3272020941 (type 16)
Partition[3] :    924335794 sectors at     50200576 (type 00)
--
/dev/sdg:
          Magic : de11de11
        Version : 01.00.00
Controller GUID : 496E7465:6C202020:00000000:00000000:00000000:00000000
                  (Intel   )
 Container GUID : 496E7465:6C202020:10000060:80863505:38F47967:4E4B718F
                  (Intel    04/12/10 15:25:59)
            Seq : 00000b64
  Redundant hdr : yes
  Virtual Disks : 1

      VD GUID[0] : 496E7465:6C202020:10000060:80863505:38F47967:34558A8F
                  (Intel    04/12/10 15:25:59)
         unit[0] : 0
        state[0] : Optimal, Consistent
   init state[0] : Not Initialised
       access[0] : Read/Write
         Name[0] : 
 Raid Devices[0] : 5 (0 at 0K 2 at 0K 4 at 0K 3 at 0K 1 at 0K)
   Chunk Size[0] : 512 sectors
   Raid Level[0] : RAID5
  Device Size[0] : 975585280
   Array Size[0] : 3902341120

 Physical Disks : 255
      Number    RefNo      Size       Device      Type/State
         0    2e49dd7b  975585280K                 active/Online
         1    d017a3c4  975585280K /dev/sdg        active/Online
         2    37904b5d  975585280K                 active/Online
         3    88d64490  975585280K                 active/Online
         4    a8d7fadc  975585280K                 active/Online
--
/dev/sdh:
   MBR Magic : aa55
Partition[0] :    488397167 sectors at            1 (type ee)
--
/dev/sdh1 is not recognised by mdadm.
/dev/sdi:
   MBR Magic : aa55
Partition[0] :     40962048 sectors at         2048 (type 83)
Partition[1] :      6297480 sectors at     40965750 (type 82)
Partition[3] :    441128835 sectors at     47263230 (type 83)
--
/dev/sdi1 is not recognised by mdadm.
/dev/sdi2 is not recognised by mdadm.
/dev/sdi4 is not recognised by mdadm.

--- /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.16.0-4-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet

--- grub2:
set root='hd0,msdos2'
set root='hd0,msdos2'
	set root='hd0,msdos2'
	linux	/boot/vmlinuz-4.3.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.3.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.3.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet init=/lib/sysvinit/init
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.3.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro single fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.2.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.2.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet init=/lib/sysvinit/init
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.2.0-1-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro single fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-2-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-2-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet init=/lib/sysvinit/init
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-2-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro single fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-rc7+ root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-rc7+ root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet init=/lib/sysvinit/init
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-4.1.0-rc7+ root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro single fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-3.16.0-4-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-3.16.0-4-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8 quiet init=/lib/sysvinit/init
		set root='hd0,msdos2'
		linux	/boot/vmlinuz-3.16.0-4-amd64 root=UUID=3b8f6a64-5899-462a-aec0-6ddefd878ecf ro single fbcon=rotate:3 elevator=deadline console=tty0 console=ttyS0,115200n8
	set root='hd0,msdos2'
	set root='hd0,msdos2'
	set root='hd0,msdos2'
	set root='hd0,msdos2'
	set root='hd0,msdos2'

--- udev:
ii  udev           228-2+b1     amd64        /dev/ and hotplug management daem
e95faba71945b1dcc9749adc5dcd80f6  /lib/udev/rules.d/63-md-raid-arrays.rules
f0b45148fbd3ce678e682925483f17dc  /lib/udev/rules.d/64-md-raid-assembly.rules
d3f53eb83e89c327ad6aa0ca66f6124e  /lib/udev/rules.d/99-systemd.rules

--- /dev:
brw-rw---- 1 root disk 9, 126 Oct 12 12:51 /dev/md126
brw-rw---- 1 root disk 9, 127 Oct 12 12:51 /dev/md127

/dev/disk/by-id:
total 0
lrwxrwxrwx 1 root root  9 Dec 16 10:34 ata-OCZ-VERTEX_MVAGA96489K2H3ITG14W -> ../../sdf
lrwxrwxrwx 1 root root 10 Dec 16 10:34 ata-OCZ-VERTEX_MVAGA96489K2H3ITG14W-part1 -> ../../sdf1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 ata-OCZ-VERTEX_MVAGA96489K2H3ITG14W-part2 -> ../../sdf2
lrwxrwxrwx 1 root root  9 Dec 28 14:59 ata-SAMSUNG_HD252HJ_S17HJ9CS700120 -> ../../sdi
lrwxrwxrwx 1 root root 10 Dec 28 14:59 ata-SAMSUNG_HD252HJ_S17HJ9CS700120-part1 -> ../../sdi1
lrwxrwxrwx 1 root root 10 Dec 28 14:59 ata-SAMSUNG_HD252HJ_S17HJ9CS700120-part2 -> ../../sdi2
lrwxrwxrwx 1 root root 10 Dec 28 14:59 ata-SAMSUNG_HD252HJ_S17HJ9CS700120-part4 -> ../../sdi4
lrwxrwxrwx 1 root root  9 Dec 16 10:34 ata-ST31000340NS_9QJ5VCB0 -> ../../sdg
lrwxrwxrwx 1 root root  9 Dec 16 10:34 ata-WDC_WD2500AAKX-00ERMA0_WD-WCC2H1473772 -> ../../sdh
lrwxrwxrwx 1 root root 10 Dec 16 10:34 ata-WDC_WD2500AAKX-00ERMA0_WD-WCC2H1473772-part1 -> ../../sdh1
lrwxrwxrwx 1 root root 11 Oct 12 12:51 md-uuid-587baab3:c41402e5:c334b912:99c2ce3f -> ../../md127
lrwxrwxrwx 1 root root  9 Dec 16 10:34 usb-ADATA_USB_Flash_Drive_1530909332060018-0:0 -> ../../sda
lrwxrwxrwx 1 root root 10 Dec 16 10:34 usb-ADATA_USB_Flash_Drive_1530909332060018-0:0-part1 -> ../../sda1
lrwxrwxrwx 1 root root  9 Oct 12 12:51 usb-TEAC_USB_HS-CF_Card_000004114507-0:0 -> ../../sdb
lrwxrwxrwx 1 root root  9 Oct 12 12:51 usb-TEAC_USB_HS-MS_Card_000004114507-0:2 -> ../../sdd
lrwxrwxrwx 1 root root  9 Oct 12 12:51 usb-TEAC_USB_HS-SD_Card_000004114507-0:3 -> ../../sde
lrwxrwxrwx 1 root root  9 Oct 12 12:51 usb-TEAC_USB_HS-xD_SM_000004114507-0:1 -> ../../sdc
lrwxrwxrwx 1 root root  9 Dec 16 10:34 wwn-0x5000c50019d48bc3 -> ../../sdg
lrwxrwxrwx 1 root root  9 Dec 16 10:34 wwn-0x50014ee25de82098 -> ../../sdh
lrwxrwxrwx 1 root root 10 Dec 16 10:34 wwn-0x50014ee25de82098-part1 -> ../../sdh1
lrwxrwxrwx 1 root root  9 Dec 28 14:59 wwn-0x50024e9200b9dfe5 -> ../../sdi
lrwxrwxrwx 1 root root 10 Dec 28 14:59 wwn-0x50024e9200b9dfe5-part1 -> ../../sdi1
lrwxrwxrwx 1 root root 10 Dec 28 14:59 wwn-0x50024e9200b9dfe5-part2 -> ../../sdi2
lrwxrwxrwx 1 root root 10 Dec 28 14:59 wwn-0x50024e9200b9dfe5-part4 -> ../../sdi4

/dev/disk/by-label:
total 0
lrwxrwxrwx 1 root root 10 Dec 16 10:34 ADATA\x20UFD -> ../../sda1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 TOP -> ../../sdh1
lrwxrwxrwx 1 root root 10 Dec 28 14:59 scratch -> ../../sdi4

/dev/disk/by-partuuid:
total 0
lrwxrwxrwx 1 root root 10 Dec 16 10:34 0abbefd1-f3ef-4cc7-8df7-c210dd0ed248 -> ../../sdh1

/dev/disk/by-path:
total 0
lrwxrwxrwx 1 root root  9 Oct 12 12:51 pci-0000:00:1d.7-usb-0:2:1.0-scsi-0:0:0:0 -> ../../sdb
lrwxrwxrwx 1 root root  9 Oct 12 12:51 pci-0000:00:1d.7-usb-0:2:1.0-scsi-0:0:0:1 -> ../../sdc
lrwxrwxrwx 1 root root  9 Oct 12 12:51 pci-0000:00:1d.7-usb-0:2:1.0-scsi-0:0:0:2 -> ../../sdd
lrwxrwxrwx 1 root root  9 Oct 12 12:51 pci-0000:00:1d.7-usb-0:2:1.0-scsi-0:0:0:3 -> ../../sde
lrwxrwxrwx 1 root root  9 Dec 16 10:34 pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0 -> ../../sda
lrwxrwxrwx 1 root root 10 Dec 16 10:34 pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0-part1 -> ../../sda1
lrwxrwxrwx 1 root root  9 Dec 16 10:34 pci-0000:00:1f.2-ata-1 -> ../../sdf
lrwxrwxrwx 1 root root 10 Dec 16 10:34 pci-0000:00:1f.2-ata-1-part1 -> ../../sdf1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 pci-0000:00:1f.2-ata-1-part2 -> ../../sdf2
lrwxrwxrwx 1 root root  9 Dec 16 10:34 pci-0000:00:1f.2-ata-2 -> ../../sdg
lrwxrwxrwx 1 root root  9 Dec 16 10:34 pci-0000:00:1f.2-ata-3 -> ../../sdh
lrwxrwxrwx 1 root root 10 Dec 16 10:34 pci-0000:00:1f.2-ata-3-part1 -> ../../sdh1
lrwxrwxrwx 1 root root  9 Dec 28 14:59 pci-0000:00:1f.2-ata-4 -> ../../sdi
lrwxrwxrwx 1 root root 10 Dec 28 14:59 pci-0000:00:1f.2-ata-4-part1 -> ../../sdi1
lrwxrwxrwx 1 root root 10 Dec 28 14:59 pci-0000:00:1f.2-ata-4-part2 -> ../../sdi2
lrwxrwxrwx 1 root root 10 Dec 28 14:59 pci-0000:00:1f.2-ata-4-part4 -> ../../sdi4

/dev/disk/by-uuid:
total 0
lrwxrwxrwx 1 root root 10 Dec 16 10:34 11810da4-05ad-4a1b-b8e0-79863647cb21 -> ../../sdf1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 3b8f6a64-5899-462a-aec0-6ddefd878ecf -> ../../sdf2
lrwxrwxrwx 1 root root 10 Dec 28 14:59 41e011b8-b2f8-4b34-8569-f2bc2fee857c -> ../../sdi1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 57132f3a-eaad-41eb-9d87-a785233250d9 -> ../../sdh1
lrwxrwxrwx 1 root root 10 Dec 16 10:34 88d552cd-4334-4198-b4ba-52d0aeb595da -> ../../sda1
lrwxrwxrwx 1 root root 10 Dec 28 14:59 929f5342-f2f0-4cf6-8afc-bdcd24025c17 -> ../../sdi4
lrwxrwxrwx 1 root root 10 Dec 28 14:59 a453c46e-217d-44a4-8cd9-68bd1289a889 -> ../../sdi2

/dev/md:
total 0
lrwxrwxrwx 1 root root 8 Oct 12 12:51 ddf0 -> ../md127

Auto-generated on Fri, 08 Jan 2016 13:34:23 +0100 by mdadm bugscript

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (910, 'testing'), (900, 'stable'), (610, 'oldstable'), (410, 'unstable'), (400, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

Versions of packages mdadm depends on:
ii  debconf [debconf-2.0]  1.5.58
ii  initscripts            2.88dsf-59.2
ii  libc6                  2.21-4
ii  lsb-base               9.20150917
ii  udev                   228-2+b1

Versions of packages mdadm recommends:
ii  kmod                                    21-1
ii  lsb-invalid-mta [mail-transport-agent]  4.1+Debian13+nmu1
ii  module-init-tools                       21-1

mdadm suggests no packages.

-- debconf information:
  mdadm/autocheck: true
  mdadm/initrdstart_msg_intro:
  mdadm/initrdstart_msg_errexist:
  mdadm/start_daemon: true
  mdadm/mail_to: root
  mdadm/initrdstart_msg_errconf:
  mdadm/initrdstart_msg_errblock:
* mdadm/initrdstart: none
  mdadm/initrdstart_msg_errmd:
  mdadm/initrdstart_notinconf: false



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