On Tue, 2012-05-01 at 00:07 -0600, Shawn Ferris wrote: > > Any suggestions while I try to get the debugger going? Should I be > > using current git as opposed to 1.99.2? > > Ok.. I enabled debugging, I think: > > D: [pulseaudio] main.c: Compilation CFLAGS: -pipe -Os -g2 > -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall > -W -Wextra -Wno-long-long -Wvla -Wno-overlength-strings > -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op > -Wsign-compare -Wformat-security -Wmissing-include-dirs > -Wformat-nonliteral -Wpointer-arith -Winit-self > -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes > -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow > -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings > -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common > -fdiagnostics-show-option > > But I can't get gdb to work: > > $ gdb pulseaudio > GNU gdb (GDB) 7.4 > Copyright (C) 2012 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "arm-unknown-linux-gnueabi". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > Reading symbols from /usr/bin/pulseaudio...(no debugging symbols found)...done. > (gdb) run > Starting program: /usr/bin/pulseaudio > warning: Unable to find libthread_db matching inferior's thread > library, thread debugging will not be available. > process 1664 is executing new program: /usr/bin/pulseaudio > warning: Unable to find libthread_db matching inferior's thread > library, thread debugging will not be available. > W: [pulseaudio] pid.c: Stale PID file, overwriting. > > Program received signal SIGSEGV, Segmentation fault. > 0x00001bf8 in ?? () > (gdb) bt > #0 0x00001bf8 in ?? () > #1 0xb2acaa14 in module_alsa_card_LTX_pa__init () > from /usr/lib/pulse-1.99/modules/module-alsa-card.so > #2 0xb6f8fc02 in pa_module_load () from /usr/lib/libpulsecore-1.99.so > #3 0xb6f87a34 in ?? () from /usr/lib/libpulsecore-1.99.so > #4 0xb6f87a34 in ?? () from /usr/lib/libpulsecore-1.99.so > Backtrace stopped: previous frame identical to this frame (corrupt stack?) > > I also noticed the command line args for backtrace, but I don't get > anything more from that either: > > $ pulseaudio --log-level=debug --log-target=stderr --log-backtrace=20 > I: [pulseaudio] main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: > Operation not permitted > I: [pulseaudio] main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: > Operation not permitted > D: [pulseaudio] core-rtclock.c: Timer slack is set to 50 us. > I: [pulseaudio] core-util.c: Failed to acquire high-priority > scheduling: No such file or directory > I: [pulseaudio] main.c: This is PulseAudio 1.99.2 > D: [pulseaudio] main.c: Compilation host: arm-unknown-linux-gnu > D: [pulseaudio] main.c: Compilation CFLAGS: -pipe -Os -g2 > -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall > -W -Wextra -Wno-long-long -Wvla -Wno-overlength-strings > -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op > -Wsign-compare -Wformat-security -Wmissing-include-dirs > -Wformat-nonliteral -Wpointer-arith -Winit-self > -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes > -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow > -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings > -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common > -fdiagnostics-show-option > D: [pulseaudio] main.c: Running on host: Linux armv7l 3.1.5 #1 SMP > PREEMPT Mon Apr 30 11:57:42 MDT 2012 > D: [pulseaudio] main.c: Found 2 CPUs. > I: [pulseaudio] main.c: Page size is 4096 bytes > D: [pulseaudio] main.c: Compiled with Valgrind support: no > D: [pulseaudio] main.c: Running in valgrind mode: no > D: [pulseaudio] main.c: Running in VM: no > D: [pulseaudio] main.c: Optimized build: yes > D: [pulseaudio] main.c: FASTPATH defined, only fast path asserts disabled. > I: [pulseaudio] main.c: Machine ID is 0f4bea1653fb44c8a94a86ec0000000c. > I: [pulseaudio] main.c: Using runtime directory > /opt/sequestra/.pulse/0f4bea1653fb44c8a94a86ec0000000c-runtime. > I: [pulseaudio] main.c: Using state directory /opt/sequestra/.pulse. > I: [pulseaudio] main.c: Using modules directory /usr/lib/pulse-1.99/modules. > I: [pulseaudio] main.c: Running in system mode: no > W: [pulseaudio] pid.c: Stale PID file, overwriting. > I: [pulseaudio] main.c: Fresh high-resolution timers available! Bon appetit! > D: [pulseaudio] memblock.c: Using shared memory pool with 1024 slots > of size 64.0 KiB each, total size is 64.0 MiB, maximum usable slot > size is 65496 > I: [pulseaudio] cpu-arm.c: CPU flags: V6 V7 VFP EDSP NEON VFPV3 > I: [pulseaudio] svolume_arm.c: Initialising ARM optimized volume functions. > I: [pulseaudio] module-device-restore.c: Successfully opened database > file '/opt/sequestra/.pulse/0f4bea1653fb44c8a94a86ec0000000c-device-volumes'. > I: [pulseaudio] module.c: Loaded "module-device-restore" (index: #0; > argument: ""). > I: [pulseaudio] module-stream-restore.c: Successfully opened database > file '/opt/sequestra/.pulse/0f4bea1653fb44c8a94a86ec0000000c-stream-volumes'. > D: [pulseaudio] protocol-dbus.c: Interface > org.PulseAudio.Ext.StreamRestore1 added for object > /org/pulseaudio/stream_restore1 > I: [pulseaudio] module.c: Loaded "module-stream-restore" (index: #1; > argument: ""). > I: [pulseaudio] module-card-restore.c: Successfully opened database > file '/opt/sequestra/.pulse/0f4bea1653fb44c8a94a86ec0000000c-card-database'. > I: [pulseaudio] module.c: Loaded "module-card-restore" (index: #2; > argument: ""). > I: [pulseaudio] module.c: Loaded "module-augment-properties" (index: > #3; argument: ""). > Segmentation fault (core dumped) > > What am I missing? This is likely a crash in alsa-lib. I had to apply a patch from one of Linaro's acccompanying trees for this: http://cgit.collabora.com/git/user/arun/android/alsa-lib/commit/?id=36ae44068e4a1e04660e01d8c3423b4b9f9fb3fa Maybe this will get you past the crash. Cheers, Arun
