Public bug reported:

== Comment: #0  ==
---Problem Description---
Netboot installation of Ubuntu 15.04 on Power NV / Bare metal system throws 
Debootstrap Error

 
---uname output---
Linux ubuntu 3.19.0-7-generic #7-Ubuntu SMP Fri Feb 27 00:26:30 UTC 2015 
ppc64le ppc64le ppc64le GNU/Linux
 
Machine Type = P8 
 
---Debugger---
A debugger is not configured
 
---Steps to Reproduce---
In the Petitboot menu select the http path of the vmlinux and initrd.img of the 
Ubuntu 15.04 Netboot images.
Then start the installation by selecting the same label in petitboot menu.

 Petitboot (dev.20141013)                                      8284-22A 101B9BV
 ??????????????????????????????????????????????????????????????????????????????
  [Disk: sdc2 / 18c23296-09c4-446b-abf7-328c74e3a67f]
    IBM_PowerKVM, with Linux 0-rescue-0fcd60dd3636414bb9e19081161e0ed6
    IBM_PowerKVM, with Linux 3.10.53-2019.1.pkvm2_1_1.48.ppc64
  [Network: eth4 / 6c:ae:8b:6a:8e:10]
 *  Ubuntu-Netboot-install

  System information
  System configuration
  Language
  Rescan devices
  Retrieve config from URL
  Exit to shell


 Petitboot Option Editor
 ??????????????????????????????????????????????????????????????????????????????

 Device:         ( ) sdc2 [18c23296-09c4-446b-abf7-328c74e3a67f]
                 (*) Specify paths/URLs manually

 Kernel:         http://9.114.13.132/home/ubuntu1504/ubuntu-installer/ppc64el/v
 Initrd:         http://9.114.13.132/home/ubuntu1504/ubuntu-installer/ppc64el/i
 Device tree:
 Boot arguments:

         [  OK  ]  [   Help   ]  [  Cancel  ]

The system is going down NOW!t
Sent SIGTERM to all processes
Sent SIGKILL to all processes

  ????????????????????????? [!!] Select a language ??????????????????????????
  ?                                                                         ?
  ? Choose the language to be used for the installation process. The        ?
  ? selected language will also be the default language for the installed   ?
  ? system.                                                                 ?
  ?                                                                         ?
  ? Language:                                                               ?
  ?                                                                         ?
  ?                               C                                         ?
  ?                               English                                   ?
  ?                                                                         ?
  ?     <Go Back>                                                           ?
  ?                                                                         ?
  ???????????????????????????????????????????????????????????????????????????

  ???????????????????????? [!!] Select your location ????????????????????????
  ?                                                                         ?
  ? The selected location will be used to set your time zone and also for   ?
  ? example to help select the system locale. Normally this should be the   ?
  ? country where you live.                                                 ?
  ?                                                                         ?
  ? This is a shortlist of locations based on the language you selected.    ?
  ? Choose "other" if your location is not listed.                          ?
  ?                                                                         ?
  ? Country, territory or area:                                             ?
  ?                                                                         ?
  ?                         Nigeria                                         ?
  ?                         Philippines          ?                          ?
  ?                         Singapore            ?                          ?
  ?                         South Africa                                    ?
  ?                         United Kingdom       ?                          ?
  ?                         United States                                   ?
  ?                                                                         ?
  ?     <Go Back>                                                           ?
  ?                                                                         ?
  ???????????????????????????????????????????????????????????????????????????

  ?????????????????????????? [!!] Partition disks ???????????????????????????
  ?                                                                         ?
  ? The installer can guide you through partitioning a disk (using          ?
  ? different standard schemes) or, if you prefer, you can do it            ?
  ? manually. With guided partitioning you will still have a chance later   ?
  ? to review and customise the results.                                    ?
  ?                                                                         ?
  ? If you choose guided partitioning for an entire disk, you will next     ?
  ? be asked which disk should be used.                                     ?
  ?                                                                         ?
  ? Partitioning method:                                                    ?
  ?                                                                         ?
  ?          Guided - use entire disk                                       ?
  ?          Guided - use the largest continuous free space                 ?
  ?          Guided - use entire disk and set up LVM                        ?
  ?          Guided - use entire disk and set up encrypted LVM              ?
  ?          Manual                                                         ?
  ?                                                                         ?
  ?     <Go Back>                                                           ?
  ?                                                                         ?
  ???????????????????????????????????????????????????????????????????????????

  ?????????????????????????? [!!] Partition disks ???????????????????????????
  ?                                                                         ?
  ? Note that all data on the disk you select will be erased, but not       ?
  ? before you have confirmed that you really want to make the changes.     ?
  ?                                                                         ?
  ? Select disk to partition:                                               ?
  ?                                                                         ?
  ?          SCSI1 (2,0,0) (sda) - 571.3 GB IBM IPR-0 5D83D100              ?
  ?          SCSI1 (2,1,0) (sdb) - 571.3 GB IBM IPR-0 5D83D100              ?
  ?          SCSI1 (2,2,0) (sdc) - 571.3 GB IBM IPR-0 5D83D100              ?
  ?                                                                         ?
  ?     <Go Back>                                                           ?
  ?                                                                         ?
  ???????????????????????????????????????????????????????????????????????????
    ????????????????????????? [!!] Partition disks ?????????????????????????
    ?                                                                      ?
    ? If you continue, the changes listed below will be written to the     ?
    ? disks. Otherwise, you will be able to make further changes manually. ?
    ?                                                                      ?
    ? The partition tables of the following devices are changed:           ?
    ?    SCSI1 (2,0,0) (sda)                                               ?
    ?    SCSI1 (2,1,0) (sdb)                                               ?
    ?    SCSI1 (2,2,0) (sdc)                                               ?
    ?                                                                      ?
    ? The following partitions are going to be formatted:                  ?
    ?    partition #2 of SCSI1 (2,1,0) (sdb) as ext4                       ?
    ?    partition #3 of SCSI1 (2,1,0) (sdb) as swap                       ?
    ?                                                                      ?
    ? Write the changes to disks?                                          ?
    ?                                                                      ?
    ?     <Yes>                                                   <No>     ?
    ?                                                                      ?
    ????????????????????????????????????????????????????????????????????????

    ????????????????????????? [!!] Partition disks ?????????????????????????
    ?                                                                      ?
    ? If you continue, the changes listed below will be written to the     ?
    ? disks. Otherwise, you will be able to make further changes manually. ?
    ?                                                                      ?
    ? WARNING: This will destroy all data on any partitions you have       ?
    ? removed as well as on the partitions that are going to be formatted. ?
    ?                                                                      ?
    ? The partition tables of the following devices are changed:           ?
    ?    SCSI1 (2,1,0) (sdb)                                               ?
    ?                                                                      ?
    ? The following partitions are going to be formatted:                  ?
    ?    partition #2 of SCSI1 (2,1,0) (sdb) as ext4                       ?
    ?    partition #3 of SCSI1 (2,1,0) (sdb) as swap                       ?
    ?                                                                      ?
    ? Write the changes to disks?                                          ?
    ?                                                                      ?
    ?     <Yes>                                                   <No>     ?
    ?                                                                      ?
    ????????????????????????????????????????????????????????????????????????
      ?????????????????? [!!] Install the base system ???????????????????
      ?                                                                 ?
  ?????                        Debootstrap Error                        ? ???
  ?   ? The following error occurred:                                   ?   ?
  ?   ?                                                                 ?   ?
  ?   ? Invalid Release signature (key id 40976EAF437D05B5)             ?   ?
  ? Ch?                                                                 ?   ?
  ?   ? Check /var/log/syslog or see virtual console 4 for the details. ?   ?
  ?????                                                                 ? ???
      ?     <Go Back>                                    <Continue>     ?
      ?                                                                 ?
      ???????????????????????????????????????????????????????????????????

      ?????????????????? [!!] Install the base system ???????????????????
      ?                                                                 ?
      ?                Failed to install the base system                ?
      ? The base system installation into /target/ failed.              ?
      ?                                                                 ?
      ? Check /var/log/syslog or see virtual console 4 for the details. ?
      ?                                                                 ?
      ?     <Go Back>                                    <Continue>     ?
      ?                                                                 ?
      ???????????????????????????????????????????????????????????????????

   ?????????????????????????? [!] Execute a shell ??????????????????????????
   ?                                                                       ?
   ?                           Interactive shell                           ?
   ? After this message, you will be running "ash", a Bourne-shell clone.  ?
   ?                                                                       ?
   ? The root file system is a RAM disk. The hard disk file systems are    ?
   ? mounted on "/target". The editor available to you is nano. It's very  ?
   ? small and easy to figure out. To get an idea of what Unix utilities   ?
   ? are available to you, use the "help" command.                         ?
   ?                                                                       ?
   ? Use the "exit" command to return to the installation menu.            ?
   ?                                                                       ?
   ?     <Go Back>                                          <Continue>     ?
   ?                                                                       ?
   ?????????????????????????????????????????????????????????????????????????
BusyBox v1.22.1 (Ubuntu 1:1.22.0-9ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ # ls -l /var/log/syslog
-rw-r--r--    1 root     root        186360 Mar  9 11:21 /var/log/syslog

 
Install method: HTTP
 
Install disk info: [root@localhost ~]# fdisk -l
WARNING: fdisk GPT support is currently new, and therefore in an experimental 
phase. Use at your own discretion.

Disk /dev/sda: 571.3 GB, 571255816192 bytes, 1115734016 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt


#         Start          End    Size  Type            Name
 1         2048        18431      8M  Linux filesyste ibmpkvm_prep
 2        18432      1067007    512M  Microsoft basic ibmpkvm_boot
 3      1067008     43010047     20G  Linux LVM       ibmpkvm_root
 4     43010048     63981567     10G  Linux LVM       ibmpkvm_log
 5     63981568     80758783      8G  Linux LVM       ibmpkvm_swap
 6     80758784   1115733982  493.5G  Linux LVM       ibmpkvm_data
WARNING: fdisk GPT support is currently new, and therefore in an experimental 
phase. Use at your own discretion.

Disk /dev/sdb: 571.3 GB, 571255816192 bytes, 1115734016 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt


#         Start          End    Size  Type            Name
 1         2048        16383      7M  unknown
 2        16384   1070512127  510.5G  Linux filesyste
 3   1070512128   1115731967   21.6G  Linux swap
WARNING: fdisk GPT support is currently new, and therefore in an experimental 
phase. Use at your own discretion.

Disk /dev/sdc: 571.3 GB, 571255816192 bytes, 1115734016 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt


#         Start          End    Size  Type            Name
 1         2048        18431      8M  Linux filesyste ibmpkvm_prep
 2        18432      1067007    512M  Microsoft basic ibmpkvm_boot
 3      1067008     43010047     20G  Linux LVM       ibmpkvm_root
 4     43010048     63981567     10G  Linux LVM       ibmpkvm_log
 5     63981568     80758783      8G  Linux LVM       ibmpkvm_swap
 6     80758784   1115733982  493.5G  Linux LVM       ibmpkvm_data

 
Install ISO Information: 
http://ports.ubuntu.com/ubuntu-ports/dists/vivid/main/installer-ppc64el/current/images/netboot/mini.iso


The Neboot image files are downloaded from the below link:
http://ports.ubuntu.com/ubuntu-ports/dists/vivid/main/installer-ppc64el/current/images/netboot/


== Comment: #4  ==
Some part of /var/log/syslog output is pasted below:

Mar  9 11:18:52 check-missing-firmware: /dev/.udev/firmware-missing does not 
exist, skipping
Mar  9 11:18:52 check-missing-firmware: /run/udev/firmware-missing does not 
exist, skipping
Mar  9 11:18:52 check-missing-firmware: no missing firmware in 
/dev/.udev/firmware-missing /run/udev/firmware-missing
Mar  9 11:18:52 anna-install: Installing mdadm-udeb
Mar  9 11:18:52 kernel: [  197.445143] md: linear personality registered for 
level -1
Mar  9 11:18:52 kernel: [  197.446674] md: multipath personality registered for 
level -4
Mar  9 11:18:52 kernel: [  197.448954] md: raid0 personality registered for 
level 0
Mar  9 11:18:52 kernel: [  197.450982] md: raid1 personality registered for 
level 1
Mar  9 11:18:52 kernel: [  197.522776] raid6: altivecx1  1446 MB/s
Mar  9 11:18:52 kernel: [  197.590804] raid6: altivecx2  2074 MB/s
Mar  9 11:18:52 kernel: [  197.658807] raid6: altivecx4  2320 MB/s
Mar  9 11:18:52 kernel: [  197.726836] raid6: altivecx8  2040 MB/s
Mar  9 11:18:52 kernel: [  197.794891] raid6: int64x1    953 MB/s
Mar  9 11:18:53 kernel: [  197.862821] raid6: int64x2    879 MB/s
Mar  9 11:18:53 kernel: [  197.930828] raid6: int64x4   1052 MB/s
Mar  9 11:18:53 kernel: [  197.998844] raid6: int64x8    616 MB/s
Mar  9 11:18:53 kernel: [  197.998847] raid6: using algorithm altivecx4 (2320 
MB/s)
Mar  9 11:18:53 kernel: [  197.998850] raid6: using intx1 recovery algorithm
Mar  9 11:18:53 kernel: [  198.002836] xor: measuring software checksum speed
Mar  9 11:18:53 kernel: [  198.042795]    8regs     :  2368.000 MB/sec
Mar  9 11:18:53 kernel: [  198.082813]    8regs_prefetch:  2048.000 MB/sec
Mar  9 11:18:53 kernel: [  198.122792]    32regs    :  2336.000 MB/sec
Mar  9 11:18:53 kernel: [  198.162795]    32regs_prefetch:  2176.000 MB/sec
Mar  9 11:18:53 kernel: [  198.202788]    altivec   :  3088.000 MB/sec
Mar  9 11:18:53 kernel: [  198.202792] xor: using function: altivec (3088.000 
MB/sec)
Mar  9 11:18:53 kernel: [  198.206830] async_tx: api initialized (async)
Mar  9 11:18:53 kernel: [  198.232980] md: raid6 personality registered for 
level 6
Mar  9 11:18:53 kernel: [  198.232983] md: raid5 personality registered for 
level 5
l 4      :18:53 kernel: [  198.232987] md: raid4 personality registered for 
leve--More--
Mar  9 11:18:53 kernel: [  198.236694] md: raid10 personality registered for 
level 10
Mar  9 11:18:53 disk-detect: No Intel/DDF RAID disks detected.
Mar  9 11:18:53 anna-install: Installing dmraid-udeb
Mar  9 11:18:53 anna[8006]: DEBUG: retrieving dmraid-udeb 1.0.0.rc16-4.2ubuntu3
Mar  9 11:18:53 anna[8006]: 2015-03-09 11:18:53 
URL:http://ports.ubuntu.com/ubuntu-ports//pool/main/d/dmraid/dmraid-udeb_1.0.0.rc16-4.2ubuntu3_ppc64el.udeb
 [9890/9890] -> 
"/var/cache/anna/dmraid-udeb_1.0.0.rc16-4.2ubuntu3_ppc64el.udeb" [1]
Mar  9 11:18:53 anna[8006]: DEBUG: retrieving kpartx-udeb 0.4.9-3ubuntu10
Mar  9 11:18:53 anna[8006]: 2015-03-09 11:18:53 
URL:http://ports.ubuntu.com/ubuntu-ports//pool/main/m/multipath-tools/kpartx-udeb_0.4.9-3ubuntu10_ppc64el.udeb
 [13834/13834] -> "/var/cache/anna/kpartx-udeb_0.4.9-3ubuntu10_ppc64el.udeb" [1]
Mar  9 11:18:53 anna[8006]: DEBUG: retrieving libdmraid1.0.0.rc16-udeb 
1.0.0.rc16-4.2ubuntu3
Mar  9 11:18:53 anna[8006]: 2015-03-09 11:18:53 
URL:http://ports.ubuntu.com/ubuntu-ports//pool/main/d/dmraid/libdmraid1.0.0.rc16-udeb_1.0.0.rc16-4.2ubuntu3_ppc64el.udeb
 [71956/71956] -> 
"/var/cache/anna/libdmraid1.0.0.rc16-udeb_1.0.0.rc16-4.2ubuntu3_ppc64el.udeb" 
[1]
Mar  9 11:18:53 disk-detect: No Serial ATA RAID disks detected
Mar  9 11:18:54 check-missing-firmware: /dev/.udev/firmware-missing does not 
exist, skipping
t, skipping8:54 check-missing-firmware: /run/udev/firmware-missing does not 
exis--More--
Mar  9 11:18:54 check-missing-firmware: no missing firmware in 
/dev/.udev/firmware-missing /run/udev/firmware-missing
Mar  9 11:18:54 main-menu[1153]: (process:6918): unknown udeb mmc-modules
Mar  9 11:18:55 main-menu[1153]: INFO: Menu item 'partman-base' selected
Mar  9 11:18:55 kernel: [  200.036690] ntfs: driver 2.1.31 [Flags: R/O MODULE].
Mar  9 11:18:55 kernel: [  200.107746] Btrfs loaded
Mar  9 11:18:55 kernel: [  200.146471] JFS: nTxBlock = 8192, nTxLock = 65536
Mar  9 11:18:55 kernel: [  200.259064] SGI XFS with ACLs, security attributes, 
realtime, no debug enabled
Mar  9 11:18:55 md-devices: mdadm: No arrays found in config file or 
automatically
Mar  9 11:18:55 partman:   PV /dev/sdc6   VG ibmpkvm_vg_data   lvm2 [493.51 GiB 
/ 0    free]
Mar  9 11:18:55 partman:   PV /dev/sdc5   VG ibmpkvm_vg_swap   lvm2 [8.00 GiB / 
0    free]
Mar  9 11:18:55 partman:   PV /dev/sdc4   VG ibmpkvm_vg_log    lvm2 [10.00 GiB 
/ 0    free]
Mar  9 11:18:55 partman:   PV /dev/sdc3   VG ibmpkvm_vg_root   lvm2 [20.00 GiB 
/ 0    free]
Mar  9 11:18:55 partman:   PV /dev/sda3                        lvm2 [20.00 GiB]
Mar  9 11:18:55 partman:   PV /dev/sda4                        lvm2 [10.00 GiB]
Mar  9 11:18:55 partman:   PV /dev/sda5                        lvm2 [8.00 GiB]
Mar  9 11:18:55 partman:   PV /dev/sda6                        lvm2 [493.51 GiB]
Mar  9 11:18:55 partman:   Total: 8 [1.04 TiB] / in use: 4 [531.50 GiB] / in no 
VG: 4 [531.51 GiB]
Mar  9 11:18:55 partman:   Reading all physical volumes.  This may take a 
while...
Mar  9 11:18:55 partman:   Found volume group "ibmpkvm_vg_data" using metadata 
type lvm2
Mar  9 11:18:55 partman:   Found volume group "ibmpkvm_vg_swap" using metadata 
type lvm2
Mar  9 11:18:55 partman:   Found volume group "ibmpkvm_vg_log" using metadata 
type lvm2
Mar  9 11:18:55 partman:   Found volume group "ibmpkvm_vg_root" using metadata 
type lvm2
Mar  9 11:18:55 partman-lvm:   1 logical volume(s) in volume group 
"ibmpkvm_vg_data" now active
Mar  9 11:18:55 partman-lvm:   1 logical volume(s) in volume group 
"ibmpkvm_vg_swap" now active
Mar  9 11:18:55 partman-lvm:   1 logical volume(s) in volume group 
"ibmpkvm_vg_log" now active
Mar  9 11:18:55 partman-lvm:   1 logical volume(s) in volume group 
"ibmpkvm_vg_root" now active
Mar  9 11:18:55 kernel: [  200.560051] qla2xxx [0005:03:00.0]-8038:5: Cable is 
unplugged...
Mar  9 11:18:55 kernel: [  200.583304]  sdb: sdb1 sdb2 sdb3
Mar  9 11:18:59 kernel: [  204.253152] qla2xxx [0005:03:00.1]-8038:6: Cable is 
unplugged...
Mar  9 11:19:00 kernel: [  205.007448]  sdb: sdb1 sdb2 sdb3
Mar  9 11:19:01 kernel: [  206.548914] EXT4-fs (dm-0): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.549204] EXT4-fs (dm-0): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.589308] EXT4-fs (dm-0): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:01 kernel: [  206.612509] EXT4-fs (dm-2): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.612778] EXT4-fs (dm-2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.619237] EXT4-fs (dm-2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:01 kernel: [  206.640049] EXT4-fs (dm-3): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.640287] EXT4-fs (dm-3): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:01 kernel: [  206.657597] EXT4-fs (dm-3): mounted filesystem with 
ordered data mode. Opts: (null)
e to feature incompatibilities.814266] EXT4-fs (sdb2): couldn't mount as ext3 
du--More--
Mar  9 11:19:01 kernel: [  206.814538] EXT4-fs (sdb2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  206.844368] EXT4-fs (sdb2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  206.902963] EXT4-fs (sdc2): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  206.903231] EXT4-fs (sdc2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  206.906373] EXT4-fs (sdc2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  207.013983] EXT4-fs (dm-0): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.014245] EXT4-fs (dm-0): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.043429] EXT4-fs (dm-0): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  207.073011] EXT4-fs (dm-2): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.073276] EXT4-fs (dm-2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.075052] EXT4-fs (dm-2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  207.097177] EXT4-fs (dm-3): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.097568] EXT4-fs (dm-3): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.103088] EXT4-fs (dm-3): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  207.217686] EXT4-fs (sdb2): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.217995] EXT4-fs (sdb2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.247306] EXT4-fs (sdb2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:02 kernel: [  207.303904] EXT4-fs (sdc2): couldn't mount as ext3 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.304177] EXT4-fs (sdc2): couldn't mount as ext2 
due to feature incompatibilities
Mar  9 11:19:02 kernel: [  207.305841] EXT4-fs (sdc2): mounted filesystem with 
ordered data mode. Opts: (null)
Mar  9 11:19:03 kernel: [  207.928051] qla2xxx [0005:04:00.0]-8038:7: Cable is 
unplugged...
Mar  9 11:19:06 kernel: [  211.624070] qla2xxx [0005:04:00.1]-8038:8: Cable is 
unplugged...
Mar  9 11:19:59 kernel: [  264.247480]  sdb: sdb1 sdb2 sdb3
Mar  9 11:19:59 kernel: [  264.348658] Adding 22609856k swap on /dev/sdb3.  
Priority:-1 extents:1 across:22609856k FS
Mar  9 11:19:59 partman: mke2fs 1.42.12 (29-Aug-2014)
Mar  9 11:20:04 kernel: [  269.051765] EXT4-fs (sdb2): mounted filesystem with 
ordered data mode. Opts: errors=remount-ro
Mar  9 11:20:04 apt-install: Queueing package e2fsprogs for later installation
Mar  9 11:20:04 apt-install: Queueing package lvm2 for later installation
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda1 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda2 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda3 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda4 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda5 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda6 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdb1 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc1 on 
/tmp/tmp.8GRuy2 failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc3 on 
/tmp/tmp.8GRuy2 failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc4 on 
/tmp/tmp.8GRuy2 failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc5 on 
/tmp/tmp.8GRuy2 failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc6 on 
/tmp/tmp.8GRuy2 failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda1 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda2 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda3 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda4 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda5 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sda6 on 
/tmp/tmp.JAbzht failed: Invalid argument
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdb1 on 
/tmp/tmp.JAbzht failed: Invalid argument
mp/tmp.JAbzht failed: Invalid argumentess:8138): mount: mounting /dev/sdc1 on 
/t--More--
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc3 on 
/tmp/tmp.JAbzht failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc4 on 
/tmp/tmp.JAbzht failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc5 on 
/tmp/tmp.JAbzht failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: (process:8138): mount: mounting /dev/sdc6 on 
/tmp/tmp.JAbzht failed: Device or resource busy
Mar  9 11:20:05 main-menu[1153]: INFO: Menu item 'bootstrap-base' selected
Mar  9 11:20:06 debootstrap: gpgv: Signature made Mon Mar  9 10:08:48 2015 UTC 
using DSA key ID 437D05B5
Mar  9 11:20:06 debootstrap: gpgv: BAD signature from "Ubuntu Archive Automatic 
Signing Key <ftpmas...@ubuntu.com>"
Mar  9 11:20:38 base-installer: error: exiting on error 
base-installer/debootstrap-failed
Mar  9 11:20:51 main-menu[1153]: WARNING **: Configuring 'bootstrap-base' 
failed with error code 30
Mar  9 11:20:51 main-menu[1153]: WARNING **: Menu item 'bootstrap-base' failed.
Mar  9 11:20:54 main-menu[1153]: INFO: Modifying debconf priority limit from 
'high' to 'medium'
Mar  9 11:20:54 debconf: Setting debconf/priority to medium
Mar  9 11:21:05 main-menu[1153]: INFO: Menu item 'di-utils-shell' selected

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: architecture-ppc64le bugnameltc-122543 severity-high 
targetmilestone-inin1504

** Tags added: architecture-ppc64le bugnameltc-122543 severity-high
targetmilestone-inin1504

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https://bugs.launchpad.net/bugs/1430261

Title:
  Ubuntu 15.04 Netboot installation fails with Debootstrap Error

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