Package: jackd1 Version: 1:0.121.3+20120418git75e3e20b-2.1 Severity: normal
dear maintainer, when i try to start jackd the process causes a bus error on my arm system. root@beagleboard:~# apt-get install jackd1 Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libjack0 Suggested packages: jack-tools meterbridge Recommended packages: qjackctl The following NEW packages will be installed: jackd1 libjack0 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 352 kB of archives. After this operation, 846 kB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://ftp.debian.org/debian/ wheezy/main libjack0 armhf 1:0.121.3+20120418git75e3e20b-2.1 [52.7 kB] Get:2 http://ftp.debian.org/debian/ wheezy/main jackd1 armhf 1:0.121.3+20120418git75e3e20b-2.1 [299 kB] Fetched 352 kB in 0s (476 kB/s) debconf: delaying package configuration, since apt-utils is not installed Selecting previously unselected package libjack0:armhf. (Reading database ... 17035 files and directories currently installed.) Unpacking libjack0:armhf (from .../libjack0_1%3a0.121.3+20120418git75e3e20b-2.1_armhf.deb) ... Selecting previously unselected package jackd1. Unpacking jackd1 (from .../jackd1_1%3a0.121.3+20120418git75e3e20b-2.1_armhf.deb) ... Processing triggers for man-db ... Setting up libjack0:armhf (1:0.121.3+20120418git75e3e20b-2.1) ... Setting up jackd1 (1:0.121.3+20120418git75e3e20b-2.1) ... real time? yes! root@beagleboard:~# /usr/bin/jackd -v --realtime --realtime-priority 99 --port-max 64 --driver alsa --capture hw:0 --device hw:0 --duplex --inchannels 2 --nperiods 8 --outchannels 2 --playback hw:0 --period 32 --rate 16000 --shorts jackd 0.122.0 Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details getting driver descriptor from /usr/lib/arm-linux-gnueabihf/jack/jack_oss.so getting driver descriptor from /usr/lib/arm-linux-gnueabihf/jack/jack_net.so getting driver descriptor from /usr/lib/arm-linux-gnueabihf/jack/jack_dummy.so getting driver descriptor from /usr/lib/arm-linux-gnueabihf/jack/jack_alsa.so JACK compiled with System V SHM support. server `default' registered loading driver .. registered builtin port type 32 bit float mono audio registered builtin port type 8 bit raw midi clock source = system clock via clock_gettime start poll on 3 fd's new client: alsa_pcm, id = 1 type 1 @ 0x11749b0 fd = -1 apparent rate = 16000 creating alsa driver ... hw:0|hw:0|32|8|16000|2|2|nomon|swmeter|-|16bit control device hw:0 configuring for 16000Hz, period = 32 frames (2.0 ms), buffer = 8 periods ALSA: final selected sample format for capture: 16bit little-endian ALSA: use 20 periods for capture ALSA: final selected sample format for playback: 16bit little-endian ALSA: use 20 periods for playback new buffer size 32 resizing port buffer segment for type 0, one buffer = 128 bytes resizing port buffer segment for type 1, one buffer = 128 bytes registered port system:capture_1, offset = 128 registered port system:capture_2, offset = 256 registered port system:playback_1, offset = 0 registered port system:playback_2, offset = 0 ++ jack_sort_graph ++ jack_rechain_graph(): -- jack_rechain_graph() -- jack_sort_graph 12368 waiting for signals 2012 Nov 7 09:02:21 beagleboard [153051.836120] Unhandled fault: alignment exception (0x801) at 0x400fb1e6 Bus error root@beagleboard:~# dmesg ... [91362.478790] Alignment trap: not handling instruction edc67a06 at [<401b9af4>] [91362.488769] Unhandled fault: alignment exception (0x801) at 0x400a01e6 root@beagleboard:~# strace /usr/bin/jackd -v --realtime --realtime-priority 99 --port-max 64 --driver alsa --capture hw:0 --device hw:0 --duplex --inchannels 2 --nperiods 8 --outchannels 2 --playback hw:0 --period 32 --rate 16000 --shorts ... stat64("/tmp/jack-0/default/jack-ack-fifo-12429-1", 0xbee10090) = -1 ENOENT (No such file or directory) mknod("/tmp/jack-0/default/jack-ack-fifo-12429-1", S_IFIFO|0666) = 0 open("/tmp/jack-0/default/jack-ack-fifo-12429-1", O_RDWR|O_CREAT|O_NONBLOCK, 0666) = 9 futex(0x4015360c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x40153608, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x401535e8, FUTEX_WAKE_PRIVATE, 1++ jack_sort_graph ) = 1 read(7, 0xbee11124, 16) = -1 EAGAIN (Resource temporarily unavailable) read(9, 0xbee11124, 16) = -1 EAGAIN (Resource temporarily unavailable) futex(0x4015360c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x40153608, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x401535e8, FUTEX_WAKE_PRIVATE, 1++ jack_rechain_graph(): ) = 1 futex(0x4015360c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x40153608, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x401535e8, FUTEX_WAKE_PRIVATE, 1-- jack_rechain_graph() ) = 1 futex(0x4015360c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x40153608, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x401535e8, FUTEX_WAKE_PRIVATE, 1-- jack_sort_graph ) = 1 sched_get_priority_max(SCHED_FIFO) = 99 mmap2(NULL, 524288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x414e6000 mprotect(0x414e6000, 4096, PROT_NONE) = 0 clone(child_stack=0x41564fa8, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x415654d8, tls=0x41565930, child_tidptr=0x415654d8) = 12432 sched_setscheduler(12432, SCHED_OTHER, { 0 }) = 0 futex(0x41565684, FUTEX_WAKE_PRIVATE, 1) = 1 mmap2(NULL, 524288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x415cc000 mprotect(0x415cc000, 4096, PROT_NONE) = 0 clone(child_stack=0x4164afa8, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x4164b4d8, tls=0x4164b930, child_tidptr=0x4164b4d8) = 12433 sched_setscheduler(12433, SCHED_OTHER, { 0 }) = 0 futex(0x4164b684, FUTEX_WAKE_PRIVATE, 1) = 1 ioctl(10, 0x4140, 0x4138a000) = 0 ioctl(10, 0xc0844123, 0x1b7d868) = 0 ioctl(10, 0xc0844123, 0x1b7d868) = 0 ioctl(10, 0xc0844123, 0x1b7d868) = 0 ioctl(10, 0xc0844123, 0x1b7d868) = 0 ioctl(10, 0x4142, 0x1b7d868) = 0 futex(0x1b7cc78, FUTEX_WAKE_PRIVATE, 1) = 1 rt_sigaction(SIGHUP, {0xa871, ~[RTMIN RT_1], SA_RESTART|SA_RESETHAND|0x4000000}, NULL, 8) = 0 rt_sigaction(SIGINT, {0xa871, ~[RTMIN RT_1], SA_RESTART|SA_RESETHAND|0x4000000}, 2012 Nov 7 09:03:28 beagleboardHF [153118.296173] Unhandled fault: alignment exception (0x801) at 0x400481e6 <unfinished ...> +++ killed by SIGBUS +++ Bus error was able to fix it with modified compiler flags: root@beagleboard:/mnt/fast_disk/jack_build/jackd# apt-get source jackd1 root@beagleboard:/mnt/fast_disk/jack_build/jackd# apt-get build-dep jackd1 root@beagleboard:/mnt/fast_disk/jack_build/jackd# dpkg-source -x jack-audio-connection-kit_0.121.3+20120418git75e3e20b-2.1.dsc modifications (hack) in configure.ac, cflags: JACK_OPT_CFLAGS="-O0 -mcpu=cortex-a8" my compiler flags: | Compiler full flags................................... : -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -I$(top_srcdir)/config -I$(top_srcdir) -I$(top_srcdir) -I$(top_srcdir)/include -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall -g -O0 -mcpu=cortex-a8 default compiler flags from configure: | Compiler full flags................................... : -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -I$(top_srcdir)/config -I$(top_srcdir) -I$(top_srcdir) -I$(top_srcdir)/include -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall -g root@beagleboard:/mnt/fast_disk/jack_build/jackd/jack-audio-connection-kit-0.121.3+20120418git75e3e20b# dpkg-source --commit root@beagleboard:/mnt/fast_disk/jack_build/jackd/jack-audio-connection-kit-0.121.3+20120418git75e3e20b# dpkg-buildpackage -j2 -us -uc root@beagleboard:/mnt/fast_disk/jack_build/jackd# dpkg -i libjack0_0.121.3+20120418git75e3e20b-2.1_armhf.deb jackd1_0.121.3+20120418git75e3e20b-2.1_armhf.deb /usr/bin/jackd --realtime --realtime-priority 99 --port-max 64 --driver alsa --capture hw:0 --device hw:0 --duplex --inchannels 2 --nperiods 8 --outchannels 2 --playback hw:0 --period 32 --rate 16000 --shorts root@beagleboard:/mnt/fast_disk/jack_build/jackd# ps aux | grep jackd root 13405 24.8 4.1 20732 20492 ? SLsl 11:31 0:07 /usr/bin/jackd --realtime --realtime-priority 99 --port-max 64 --driver alsa --capture hw:0 --device hw:0 --duplex --inchannels 2 --nperiods 8 --outchannels 2 --playback hw:0 --period 32 --rate 16000 --shorts root 13490 0.0 0.1 1592 564 pts/2 S+ 11:32 0:00 grep jackd root@beagleboard:/mnt/fast_disk/jack_build/jackd# jack_lsp system:capture_1 system:capture_2 system:playback_1 system:playback_2 works! i tried jff to compile with other cflags: * -O3 -pipe -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -ftree-vectorize -mfloat-abi=hard -ffast-math -fsingle-precision-constant -> does not work, bus error * -O0 -mcpu=cortex-a8 -mfpu=neon -> does not work, bus error ... seems as the compiler does not optimize proper for the cortex a8 / neon in this case / version. i have to check my flags again to confirm this. -- System Information: Debian Release: wheezy/sid APT prefers testing APT policy: (500, 'testing') Architecture: armhf (armv7l) Kernel: Linux 3.0.17+ Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1) Shell: /bin/sh linked to /bin/dash Versions of packages jackd1 depends on: ii coreutils 8.13-3.2 ii debconf [debconf-2.0] 1.5.46 ii libasound2 1.0.25-4 ii libc6 2.13-35 ii libgcc1 1:4.7.1-7 ii libjack0 1:0.121.3+20120418git75e3e20b-2.1 ii libreadline6 6.2-8+b1 ii libsamplerate0 0.1.8-5 ii libsndfile1 1.0.25-5 ii multiarch-support 2.13-35 Versions of packages jackd1 recommends: ii libpam-modules 1.1.3-7.1 pn qjackctl <none> Versions of packages jackd1 suggests: pn jack-tools <none> pn meterbridge <none> -- debconf information: * jackd/tweak_rt_limits: true beagleboard xm, debian wheezy (debootstrap, armhf port) root@beagleboard:~# gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.6/lto-wrapper Target: arm-linux-gnueabihf Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.3-11' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf Thread model: posix gcc version 4.6.3 (Debian 4.6.3-11) best -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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