Package: mdadm Version: 3.1.2-2 Severity: normal Assuming /dev/md0 is not used, the following commands can be used to reproduce a segmentation fault in the mdadm command:
# for a in dev0 dev1 dev2 dev3; do dd if=/dev/zero count=256 bs=$((1024*1024)) of="$a"; done # for a in 0 1 2 3; do losetup /dev/loop$a dev$a; done # mdadm --create /dev/md0 --level=5 --raid-devices=3 /dev/loop0 /dev/loop1 /dev/loop2 # mkfs -t ext3 /dev/md0 # Just to make it sync # mdadm --verbose /dev/md0 --add /dev/loop3 # mdadm --verbose --grow /dev/md0 --level=raid6 --raid-devices=4 The output of that last command is: mdadm level of /dev/md0 changed to raid6 Segmentation fault And the contents of /proc/mdstat is: Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid6 loop3[4](S) loop2[3] loop1[1] loop0[0] 523264 blocks super 1.2 level 6, 512k chunk, algorithm 18 [4/3] [UUU_] unused devices: <none> /Björn -- Package-specific info: --- mdadm.conf DEVICE partitions CREATE owner=root group=disk mode=0660 auto=yes HOMEHOST <system> MAILADDR root --- /etc/default/mdadm INITRDSTART='all' AUTOSTART=true AUTOCHECK=true START_DAEMON=false DAEMON_OPTIONS="--syslog" VERBOSE=false --- /proc/mdstat: Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid6 loop3[4](S) loop2[3] loop1[1] loop0[0] 523264 blocks super 1.2 level 6, 512k chunk, algorithm 18 [4/3] [UUU_] unused devices: <none> --- /proc/partitions: major minor #blocks name 8 0 117220824 sda 8 1 248976 sda1 8 2 1 sda2 8 5 97458291 sda5 8 6 248832 sda6 8 7 19262464 sda7 254 0 97457263 dm-0 254 1 95453184 dm-1 254 2 2002944 dm-2 7 0 262144 loop0 7 1 262144 loop1 7 2 262144 loop2 7 3 262144 loop3 7 4 262144 loop4 9 0 523264 md0 --- LVM physical volumes: PV VG Fmt Attr PSize PFree /dev/dm-0 braxen lvm2 a- 92.94g 0 --- mount output /dev/dm-1 on / type ext3 (rw,errors=remount-ro) tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) udev on /dev type tmpfs (rw,mode=0755) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620) /dev/sda1 on /boot type ext2 (rw) overflow on /tmp type tmpfs (rw,size=1048576,mode=1777) fusectl on /sys/fs/fuse/connections type fusectl (rw) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev) --- initrd.img-2.6.34-1-amd64: cpio: write error: No space left on device gzip: stdout: Broken pipe --- initrd's /conf/conf.d/md: no conf/md file. --- /proc/modules: dm_crypt 10736 1 - Live 0xffffffffa0268000 raid10 18553 0 - Live 0xffffffffa025d000 raid456 45132 1 - Live 0xffffffffa024a000 async_raid6_recov 5242 1 raid456, Live 0xffffffffa0243000 async_pq 3551 2 raid456,async_raid6_recov, Live 0xffffffffa023d000 raid6_pq 77179 2 async_raid6_recov,async_pq, Live 0xffffffffa0224000 async_xor 2550 3 raid456,async_raid6_recov,async_pq, Live 0xffffffffa021e000 async_memcpy 1206 2 raid456,async_raid6_recov, Live 0xffffffffa0211000 async_tx 1774 5 raid456,async_raid6_recov,async_pq,async_xor,async_memcpy, Live 0xffffffffa020b000 raid1 18769 0 - Live 0xffffffffa0200000 raid0 5541 0 - Live 0xffffffffa01f9000 multipath 6083 0 - Live 0xffffffffa01f2000 linear 3495 0 - Live 0xffffffffa01ec000 md_mod 78646 6 raid10,raid456,raid1,raid0,multipath,linear, Live 0xffffffffa01ce000 dm_mirror 11833 0 - Live 0xffffffffa01c5000 dm_region_hash 6816 1 dm_mirror, Live 0xffffffffa01bd000 dm_log 7693 2 dm_mirror,dm_region_hash, Live 0xffffffffa01b6000 dm_mod 55398 11 dm_crypt,dm_mirror,dm_log, Live 0xffffffffa019d000 --- /var/log/syslog: --- volume detail: /dev/sda is not recognised by mdadm. /dev/sda1 is not recognised by mdadm. /dev/sda2 is not recognised by mdadm. /dev/sda5 is not recognised by mdadm. /dev/sda6 is not recognised by mdadm. /dev/sda7 is not recognised by mdadm. --- /proc/cmdline BOOT_IMAGE=/vmlinuz-2.6.34-1-amd64 root=/dev/mapper/braxen-root ro quiet --- grub2: set root='(hd0,msdos1)' set root='(hd0,msdos1)' set root='(hd0,msdos1)' set root='(hd0,msdos1)' linux /vmlinuz-2.6.34-1-amd64 root=/dev/mapper/braxen-root ro quiet set root='(hd0,msdos1)' linux /vmlinuz-2.6.34-1-amd64 root=/dev/mapper/braxen-root ro single set root='(hd0,msdos1)' linux /vmlinuz-2.6.32-5-amd64 root=/dev/mapper/braxen-root ro quiet set root='(hd0,msdos1)' linux /vmlinuz-2.6.32-5-amd64 root=/dev/mapper/braxen-root ro single set root='(hd0,msdos1)' set root='(hd0,msdos1)' set root='(hd0,msdos1)' set root='(hd0,msdos1)' set root=(hd0,6) --- udev: ii udev 160-1 /dev/ and hotplug management daemon 4a574fcd059040d33ea18a8aa605a184 /lib/udev/rules.d/64-md-raid.rules --- /dev: brw-rw---- 1 root disk 9, 0 Jul 17 15:35 /dev/md0 /dev/disk/by-id: total 0 lrwxrwxrwx 1 root root 9 Jul 17 15:27 ata-SAMSUNG_HM121HI_S11JJD0P711641 -> ../../sda lrwxrwxrwx 1 root root 10 Jul 17 12:51 ata-SAMSUNG_HM121HI_S11JJD0P711641-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 ata-SAMSUNG_HM121HI_S11JJD0P711641-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 ata-SAMSUNG_HM121HI_S11JJD0P711641-part5 -> ../../sda5 lrwxrwxrwx 1 root root 10 Jul 17 12:51 ata-SAMSUNG_HM121HI_S11JJD0P711641-part6 -> ../../sda6 lrwxrwxrwx 1 root root 10 Jul 17 12:51 ata-SAMSUNG_HM121HI_S11JJD0P711641-part7 -> ../../sda7 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-name-braxen-root -> ../../dm-1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-name-braxen-swap -> ../../dm-2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-name-sda5_crypt -> ../../dm-0 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-uuid-CRYPT-LUKS1-78b0a63f081148f78e9a471693e30c8f-sda5_crypt -> ../../dm-0 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-uuid-LVM-GMTL2dSegQ3Srdb4rjtipiR3Gdd0Y1VEF98jIUxiX1cGeBLmXoYg9TFvXcT4ODEG -> ../../dm-2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 dm-uuid-LVM-GMTL2dSegQ3Srdb4rjtipiR3Gdd0Y1VEIZbUpH1MFc1ytVL0ELldBCl2N2dtcHZ3 -> ../../dm-1 lrwxrwxrwx 1 root root 9 Jul 17 15:35 md-name-braxen:0 -> ../../md0 lrwxrwxrwx 1 root root 9 Jul 17 15:35 md-uuid-38d7254f:6070327f:d41ae1bb:3d415913 -> ../../md0 lrwxrwxrwx 1 root root 9 Jul 17 15:27 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641 -> ../../sda lrwxrwxrwx 1 root root 10 Jul 17 12:51 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641-part5 -> ../../sda5 lrwxrwxrwx 1 root root 10 Jul 17 12:51 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641-part6 -> ../../sda6 lrwxrwxrwx 1 root root 10 Jul 17 12:51 scsi-SATA_SAMSUNG_HM121HIS11JJD0P711641-part7 -> ../../sda7 lrwxrwxrwx 1 root root 9 Jul 17 15:27 wwn-0x50f0000000711641 -> ../../sda lrwxrwxrwx 1 root root 10 Jul 17 12:51 wwn-0x50f0000000711641-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 wwn-0x50f0000000711641-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 wwn-0x50f0000000711641-part5 -> ../../sda5 lrwxrwxrwx 1 root root 10 Jul 17 12:51 wwn-0x50f0000000711641-part6 -> ../../sda6 lrwxrwxrwx 1 root root 10 Jul 17 12:51 wwn-0x50f0000000711641-part7 -> ../../sda7 /dev/disk/by-label: total 0 lrwxrwxrwx 1 root root 10 Jul 17 12:51 \x2f -> ../../dm-1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 \x2fboot -> ../../sda6 /dev/disk/by-path: total 0 lrwxrwxrwx 1 root root 9 Jul 17 12:51 pci-0000:00:1f.1-scsi-0:0:0:0 -> ../../sr0 lrwxrwxrwx 1 root root 9 Jul 17 15:27 pci-0000:00:1f.2-scsi-0:0:0:0 -> ../../sda lrwxrwxrwx 1 root root 10 Jul 17 12:51 pci-0000:00:1f.2-scsi-0:0:0:0-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 pci-0000:00:1f.2-scsi-0:0:0:0-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jul 17 12:51 pci-0000:00:1f.2-scsi-0:0:0:0-part5 -> ../../sda5 lrwxrwxrwx 1 root root 10 Jul 17 12:51 pci-0000:00:1f.2-scsi-0:0:0:0-part6 -> ../../sda6 lrwxrwxrwx 1 root root 10 Jul 17 12:51 pci-0000:00:1f.2-scsi-0:0:0:0-part7 -> ../../sda7 /dev/disk/by-uuid: total 0 lrwxrwxrwx 1 root root 10 Jul 17 12:51 03e51aea-e85e-4a7e-af1b-bed00a51fdf5 -> ../../dm-1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 094c07e4-ff9a-4a4f-9513-3cb0ab10e0ca -> ../../sda7 lrwxrwxrwx 1 root root 10 Jul 17 12:51 4537d4aa-df9c-4354-a201-167b1aabac66 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jul 17 12:51 5071213c-4b3b-4be6-bb5e-3c84e21bebd4 -> ../../sda6 lrwxrwxrwx 1 root root 10 Jul 17 12:51 78b0a63f-0811-48f7-8e9a-471693e30c8f -> ../../sda5 /dev/md: total 0 Auto-generated on Sat, 17 Jul 2010 15:45:12 +0200 by mdadm bugscript 3.1.2-2 -- System Information: Debian Release: squeeze/sid APT prefers unstable APT policy: (500, 'unstable'), (500, 'stable'), (50, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 2.6.34-1-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages mdadm depends on: ii debconf 1.5.33 Debian configuration management sy ii libc6 2.11.2-2 Embedded GNU C Library: Shared lib ii lsb-base 3.2-23.1 Linux Standard Base 3.2 init scrip ii makedev 2.3.1-89 creates device files in /dev ii udev 160-1 /dev/ and hotplug management daemo Versions of packages mdadm recommends: ii masqmail [mail-transport-agen 0.2.21-8 mail transport agent for intermitt ii module-init-tools 3.12-1 tools for managing Linux kernel mo mdadm suggests no packages. -- debconf information: mdadm/autostart: true * mdadm/initrdstart: all mdadm/initrdstart_notinconf: false mdadm/initrdstart_msg_errexist: mdadm/initrdstart_msg_intro: mdadm/initrdstart_msg_errblock: * mdadm/start_daemon: false mdadm/mail_to: root mdadm/initrdstart_msg_errmd: mdadm/initrdstart_msg_errconf: * mdadm/autocheck: true -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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