libcap-ng: bluetooth bluez-utils: failure to install in Raspbian

[mpthompson]

Reported by bop_binz in Raspbian forums:

http://www.raspberrypi.org/phpBB3/viewtopic.php?f=66&t=6628

Tried the following command:

sudo apt-get install bluetooth bluez-utils

and received the following output:

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  bluez dbus gir1.2-glib-2.0 libcap-ng0 libgirepository-1.0-1
  libsystemd-login0 python-dbus python-dbus-dev python-gi
Suggested packages:
  dbus-x11 python-dbus-doc python-dbus-dbg python-gi-cairo
Recommended packages:
  bluez-alsa bluez-cups bluez-gstreamer
The following NEW packages will be installed:
  bluetooth bluez bluez-utils dbus gir1.2-glib-2.0 libcap-ng0
  libgirepository-1.0-1 libsystemd-login0 python-dbus python-dbus-dev
  python-gi
0 upgraded, 11 newly installed, 0 to remove and 0 not upgraded.
Need to get 2,450 kB of archives.
After this operation, 5,946 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://archive.raspbian.org/raspbian/ wheezy/main libcap-ng0 armhf 0.6.6-1 [12.0 kB]
Get:2 http://archive.raspbian.org/raspbian/ wheezy/main libsystemd-login0 armhf 37-1.1 [23.6 kB]
Get:3 http://archive.raspbian.org/raspbian/ wheezy/main dbus armhf 1.5.12-1 [348 kB]
Get:4 http://archive.raspbian.org/raspbian/ wheezy/main libgirepository-1.0-1 armhf 1.32.1-1 [96.0 kB]
Get:5 http://archive.raspbian.org/raspbian/ wheezy/main gir1.2-glib-2.0 armhf 1.32.1-1 [170 kB]
Get:6 http://archive.raspbian.org/raspbian/ wheezy/main python-gi armhf 3.2.0-3 [479 kB]
Get:7 http://archive.raspbian.org/raspbian/ wheezy/main python-dbus-dev all 1.1.0-1 [108 kB]
Get:8 http://archive.raspbian.org/raspbian/ wheezy/main python-dbus armhf 1.1.0-1 [244 kB]
Get:9 http://archive.raspbian.org/raspbian/ wheezy/main bluez armhf 4.99-2 [895 kB]
Get:10 http://archive.raspbian.org/raspbian/ wheezy/main bluetooth all 4.99-2 [37.5 kB]
Get:11 http://archive.raspbian.org/raspbian/ wheezy/main bluez-utils all 4.99-2 [37.4 kB]
Fetched 2,450 kB in 8s (286 kB/s)
Selecting previously unselected package libcap-ng0.
(Reading database ... 39713 files and directories currently installed.)
Unpacking libcap-ng0 (from .../libcap-ng0_0.6.6-1_armhf.deb) ...
Selecting previously unselected package libsystemd-login0.
Unpacking libsystemd-login0 (from .../libsystemd-login0_37-1.1_armhf.deb) ...
Selecting previously unselected package dbus.
Unpacking dbus (from .../dbus_1.5.12-1_armhf.deb) ...
Selecting previously unselected package libgirepository-1.0-1.
Unpacking libgirepository-1.0-1 (from .../libgirepository-1.0-1_1.32.1-1_armhf.deb) ...
Selecting previously unselected package gir1.2-glib-2.0.
Unpacking gir1.2-glib-2.0 (from .../gir1.2-glib-2.0_1.32.1-1_armhf.deb) ...
Selecting previously unselected package python-gi.
Unpacking python-gi (from .../python-gi_3.2.0-3_armhf.deb) ...
Selecting previously unselected package python-dbus-dev.
Unpacking python-dbus-dev (from .../python-dbus-dev_1.1.0-1_all.deb) ...
Selecting previously unselected package python-dbus.
Unpacking python-dbus (from .../python-dbus_1.1.0-1_armhf.deb) ...
Selecting previously unselected package bluez.
Unpacking bluez (from .../bluez_4.99-2_armhf.deb) ...
Selecting previously unselected package bluetooth.
Unpacking bluetooth (from .../bluetooth_4.99-2_all.deb) ...
Selecting previously unselected package bluez-utils.
Unpacking bluez-utils (from .../bluez-utils_4.99-2_all.deb) ...
Processing triggers for man-db ...
Setting up libcap-ng0 (0.6.6-1) ...
Setting up libsystemd-login0 (37-1.1) ...
Setting up dbus (1.5.12-1) ...
[ ok ] Starting system message bus: dbus.
Setting up libgirepository-1.0-1 (1.32.1-1) ...
Setting up gir1.2-glib-2.0 (1.32.1-1) ...
Setting up python-gi (3.2.0-3) ...
Setting up python-dbus-dev (1.1.0-1) ...
Setting up python-dbus (1.1.0-1) ...
Remove stale byte-compiled files...
Setting up bluez (4.99-2) ...
[ ok ] Reloading system message bus config...done.
[....] Starting bluetooth:Segmentation fault
invoke-rc.d: initscript bluetooth, action "start" failed.
dpkg: error processing bluez (--configure):
 subprocess installed post-installation script returned error exit status 139
dpkg: dependency problems prevent configuration of bluetooth:
 bluetooth depends on bluez; however:
  Package bluez is not configured yet.
dpkg: error processing bluetooth (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of bluez-utils:
 bluez-utils depends on bluetooth; however:
  Package bluetooth is not configured yet.
dpkg: error processing bluez-utils (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 bluez
 bluetooth
 bluez-utils
E: Sub-process /usr/bin/dpkg returned an error code (1)

[mpthompson (mpthompson)]

Reported by louisb in the forums:

I also get a segfault on bluez. here is the back trace:

Program received signal SIGSEGV, Segmentation fault.
0x4015b014 in ?? () from /usr/lib/libcap-ng.so.0
(gdb) bt
#0 0x4015b014 in ?? () from /usr/lib/libcap-ng.so.0
#1 0x400121c0 in __tls_get_addr () from /lib/arm-linux-gnueabihf/ld-linux.so.3
#2 0x4015b220 in capng_clear () from /usr/lib/libcap-ng.so.0
#3 0x4015b220 in capng_clear () from /usr/lib/libcap-ng.so.0
#4 0x2a00c618 in main (argc=1073782848, argv=0xb) at src/main.c:451

running readelf -A /usr/lib/libcap-ng.so.0 using readelf -A I get:

raspbian@pisces:/etc/init.d$ readelf -A /usr/lib/libcap-ng.so.0.0.0
Attribute Section: aeabi
File Attributes
  Tag_CPU_name: "6"
  Tag_CPU_arch: v6
  Tag_ARM_ISA_use: Yes
  Tag_THUMB_ISA_use: Thumb-1
  Tag_FP_arch: VFPv2
  Tag_ABI_PCS_wchar_t: 4
  Tag_ABI_FP_denormal: Needed
  Tag_ABI_FP_exceptions: Needed
  Tag_ABI_FP_number_model: IEEE 754
  Tag_ABI_align_needed: 8-byte
  Tag_ABI_align_preserved: 8-byte, except leaf SP
  Tag_ABI_enum_size: int
  Tag_ABI_HardFP_use: SP and DP
  Tag_ABI_VFP_args: VFP registers
  Tag_ABI_optimization_goals: Aggressive Speed
  Tag_DIV_use: Not allowed

should it really have Tag_ABI_optimization_goals: Aggressive Speed?

[mpthompson (mpthompson)]

Note, /usr/lib/libcap-ng.so.0 is not in Bluez, but is part of libcap-ng0.

This library implements the user-space interfaces to the POSIX 1003.1e capabilities available in Linux kernels. These capabilities are a partitioning of the all powerful root privilege into a set of distinct privileges.

The libcap-ng library is intended to make programming with POSIX capabilities much easier than the traditional libcap library.

[mpthompson (mpthompson)]

As reported by mauimauer in the forums:

Check: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631807
The attached patch worked on my RPi with Raspbian.

[mpthompson (mpthompson)]

Fixed by applying the patches described above.

New version: libcap-ng0_0.6.6-1+rpi1