[Qemu-discuss] Chroot exec error inspite of qemu-static-arm being installed

[Urmish Ajit Thakker]

Hi,

I am trying to chroot into an arm system from a x86 host. However, I keep getting the following error

chroot: failed to run command `/bin/bash': Exec format error.

I think I have already installed the required files and I am not able to debug the issue. Can anyone help me with this?

Some more info -
Ubuntu - 12.04
Image - ARMv8 image from Linaro
When I run sudo update-binfmts --display

My output is -

qemu-microblaze (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\xba\xab
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-microblaze-static
    detector =
qemu-arm (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
 interpreter = /usr/bin/qemu-arm-static
    detector =
qemu-m68k (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x04
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-m68k-static
    detector =
qemu-ppc64abi32 (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-ppc64abi32-static
    detector =
qemu-sparc (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-sparc-static
    detector =
qemu-sparc64 (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2b
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-sparc64-static
    detector =
qemu-sh4 (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
 interpreter = /usr/bin/qemu-sh4-static
    detector =
qemu-sh4eb (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-sh4eb-static
    detector =
python2.7 (enabled):
     package = python2.7
        type = magic
      offset = 0
       magic = \x03\xf3\x0d\x0a
        mask =
 interpreter = /usr/bin/python2.7
    detector =
qemu-sparc32plus (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x12
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-sparc32plus-static
    detector =
qemu-ppc64 (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-ppc64-static
    detector =
cli (enabled):
     package = mono-runtime
        type = magic
      offset = 0
       magic = MZ
        mask =
 interpreter = /usr/bin/cli
    detector = /usr/lib/cli/binfmt-detector-cli
jar (enabled):
     package = openjdk-6
        type = magic
      offset = 0
       magic = PK\x03\x04
        mask =
 interpreter = /usr/bin/jexec
    detector =
qemu-mipsel (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xfe\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
 interpreter = /usr/bin/qemu-mipsel-static
    detector =
qemu-ppc (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14
        mask = \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-ppc-static
    detector =
qemu-alpha (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
 interpreter = /usr/bin/qemu-alpha-static
    detector =
jarwrapper (enabled):
     package = <local>
        type = magic
      offset = 0
       magic = PK\x03\x04
        mask =
 interpreter = /usr/bin/jarwrapper
    detector = /usr/bin/jardetector
qemu-cris (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x4c\x00
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
 interpreter = /usr/bin/qemu-cris-static
    detector =
qemu-mips (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-mips-static
    detector =
python3.2 (enabled):
     package = python3.2
        type = magic
      offset = 0
       magic = \x6c\x0c\x0d\x0a
        mask =
 interpreter = /usr/bin/python3.2
    detector =
qemu-armeb (enabled):
     package = qemu-user-static
        type = magic
      offset = 0
       magic = \x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28
        mask = \xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff
 interpreter = /usr/bin/qemu-armeb-static
    detector =