0002130: SOUND:YES consumes excessive CPU (runaway thread?)

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Summary	0002130: SOUND:YES consumes excessive CPU (runaway thread?)

Revision	2010-06-21 11:33 by Footkerchief
Additional Information	Startup with SOUND:YES reports: ... Sound devices available: ALSA Software OSS Software PulseAudio Software Wave File Writer Picking ALSA Software. If your desired device was missing, make sure you have the appropriate 32-bit libraries installed. If you wanted a different device, configure ~/.openalrc appropriately. Perfect OpenAL context attributes GET Loading bindings from data/init/interface.txt ... Here's a thread dump of the case with SOUND:YES while it's chewing CPU. top says it's LWP 5630 (thread 2) that's the culprit - that thread is at 95% CPU or so, while the main thread is at 30% or so: (gdb) thread apply all bt Thread 5 (Thread 0xf4d8ab70 (LWP 5627)): #0 0xf772a430 in __kernel_vsyscall () #1 0xf7039e96 in nanosleep () from /lib32/libc.so.6 #2 0xf76cbf47 in SDL_Delay () from /usr/lib32/libSDL-1.2.so.0 #3 0xf76cbf94 in ?? () from /usr/lib32/libSDL-1.2.so.0 #4 0xf767ea6e in ?? () from /usr/lib32/libSDL-1.2.so.0 #5 0xf76c8d2d in ?? () from /usr/lib32/libSDL-1.2.so.0 #6 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 #7 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 4 (Thread 0xf4589b70 (LWP 5628)): #0 0xf772a430 in __kernel_vsyscall () #1 0xf6f94355 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0 #2 0xf76c8e18 in SDL_SemWait () from /usr/lib32/libSDL-1.2.so.0 #3 0xf7243395 in enablerst::async_loop() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #4 0xf724384d in call_loop(void*) () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #5 0xf767ea6e in ?? () from /usr/lib32/libSDL-1.2.so.0 #6 0xf76c8d2d in ?? () from /usr/lib32/libSDL-1.2.so.0 #7 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 #8 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 3 (Thread 0xefbaeb70 (LWP 5629)): #0 0xf772a430 in __kernel_vsyscall () #1 0xf7062ed6 in poll () from /lib32/libc.so.6 #2 0xf3cdccc2 in ?? () from /usr/lib32/libpulse.so.0 #3 0xf3cc9e09 in pa_mainloop_poll () from /usr/lib32/libpulse.so.0 #4 0xf3ccbc23 in pa_mainloop_iterate () from /usr/lib32/libpulse.so.0 #5 0xf3ccbcf4 in pa_mainloop_run () from /usr/lib32/libpulse.so.0 #6 0xf3cdcbc3 in ?? () from /usr/lib32/libpulse.so.0 #7 0xf3c24ac2 in ?? () from /usr/lib32/libpulsecommon-0.9.19.so #8 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 #9 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 2 (Thread 0xef3adb70 (LWP 5630)): #0 0xf772a430 in __kernel_vsyscall () #1 0xf7062ed6 in poll () from /lib32/libc.so.6 #2 0xf6f0ae15 in ?? () from /usr/lib32/libasound.so.2 #3 0xf6f0afe3 in snd_pcm_wait () from /usr/lib32/libasound.so.2 #4 0xf6f0b17b in ?? () from /usr/lib32/libasound.so.2 #5 0xf6f4fe7a in ?? () from /usr/lib32/libasound.so.2 #6 0xf6f059bc in snd_pcm_writei () from /usr/lib32/libasound.so.2 #7 0xf69261db in ?? () from /usr/lib32/libopenal.so.1 #8 0xf6921492 in ?? () from /usr/lib32/libopenal.so.1 #9 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 #10 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 1 (Thread 0xf4f62740 (LWP 5626)): #0 0xf772a430 in __kernel_vsyscall () #1 0xf7039e96 in nanosleep () from /lib32/libc.so.6 #2 0xf76cbf47 in SDL_Delay () from /usr/lib32/libSDL-1.2.so.0 #3 0xf7245488 in enablerst::do_frame() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #4 0xf7245659 in enablerst::eventLoop_SDL() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #5 0xf72462c0 in enablerst::loop(std::string) () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #6 0xf7246b02 in main () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so #7 0xf6fb8b56 in __libc_start_main () from /lib32/libc.so.6 #8 0x0804dec1 in ?? ()

Revision	2010-06-02 08:02 by Footkerchief
Additional Information	Startup with SOUND:YES reports: ... Sound devices available: ALSA Software OSS Software PulseAudio Software Wave File Writer Picking ALSA Software. If your desired device was missing, make sure you have the appropriate 32-bit libraries installed. If you wanted a different device, configure ~/.openalrc appropriately. Perfect OpenAL context attributes GET Loading bindings from data/init/interface.txt ... Here's a thread dump of the case with SOUND:YES while it's chewing CPU. top says it's LWP 5630 (thread 2) that's the culprit - that thread is at 95% CPU or so, while the main thread is at 30% or so: (gdb) thread apply all bt Thread 5 (Thread 0xf4d8ab70 (LWP 5627)): #0 0xf772a430 in __kernel_vsyscall () 0000001 0xf7039e96 in nanosleep () from /lib32/libc.so.6 0000002 0xf76cbf47 in SDL_Delay () from /usr/lib32/libSDL-1.2.so.0 0000003 0xf76cbf94 in ?? () from /usr/lib32/libSDL-1.2.so.0 0000004 0xf767ea6e in ?? () from /usr/lib32/libSDL-1.2.so.0 0000005 0xf76c8d2d in ?? () from /usr/lib32/libSDL-1.2.so.0 0000006 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 0000007 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 4 (Thread 0xf4589b70 (LWP 5628)): #0 0xf772a430 in __kernel_vsyscall () 0000001 0xf6f94355 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0 0000002 0xf76c8e18 in SDL_SemWait () from /usr/lib32/libSDL-1.2.so.0 0000003 0xf7243395 in enablerst::async_loop() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000004 0xf724384d in call_loop(void*) () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000005 0xf767ea6e in ?? () from /usr/lib32/libSDL-1.2.so.0 0000006 0xf76c8d2d in ?? () from /usr/lib32/libSDL-1.2.so.0 0000007 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 0000008 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 3 (Thread 0xefbaeb70 (LWP 5629)): #0 0xf772a430 in __kernel_vsyscall () 0000001 0xf7062ed6 in poll () from /lib32/libc.so.6 0000002 0xf3cdccc2 in ?? () from /usr/lib32/libpulse.so.0 0000003 0xf3cc9e09 in pa_mainloop_poll () from /usr/lib32/libpulse.so.0 0000004 0xf3ccbc23 in pa_mainloop_iterate () from /usr/lib32/libpulse.so.0 0000005 0xf3ccbcf4 in pa_mainloop_run () from /usr/lib32/libpulse.so.0 0000006 0xf3cdcbc3 in ?? () from /usr/lib32/libpulse.so.0 0000007 0xf3c24ac2 in ?? () from /usr/lib32/libpulsecommon-0.9.19.so 0000008 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 0000009 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 2 (Thread 0xef3adb70 (LWP 5630)): #0 0xf772a430 in __kernel_vsyscall () 0000001 0xf7062ed6 in poll () from /lib32/libc.so.6 0000002 0xf6f0ae15 in ?? () from /usr/lib32/libasound.so.2 0000003 0xf6f0afe3 in snd_pcm_wait () from /usr/lib32/libasound.so.2 0000004 0xf6f0b17b in ?? () from /usr/lib32/libasound.so.2 0000005 0xf6f4fe7a in ?? () from /usr/lib32/libasound.so.2 0000006 0xf6f059bc in snd_pcm_writei () from /usr/lib32/libasound.so.2 0000007 0xf69261db in ?? () from /usr/lib32/libopenal.so.1 0000008 0xf6921492 in ?? () from /usr/lib32/libopenal.so.1 0000009 0xf6f8d80e in start_thread () from /lib32/libpthread.so.0 0000010 0xf7070b4e in clone () from /lib32/libc.so.6 Thread 1 (Thread 0xf4f62740 (LWP 5626)): #0 0xf772a430 in __kernel_vsyscall () 0000001 0xf7039e96 in nanosleep () from /lib32/libc.so.6 0000002 0xf76cbf47 in SDL_Delay () from /usr/lib32/libSDL-1.2.so.0 0000003 0xf7245488 in enablerst::do_frame() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000004 0xf7245659 in enablerst::eventLoop_SDL() () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000005 0xf72462c0 in enablerst::loop(std::string) () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000006 0xf7246b02 in main () from /home/oliver/df_31_04/df_linux/libs/libgraphics.so 0000007 0xf6fb8b56 in __libc_start_main () from /lib32/libc.so.6 0000008 0x0804dec1 in ?? ()