pulseaudio 0.9.22, after system suspends and resumes, alsasink is blocked

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Also, this only happens on playback, recording is fine.

On Thu, Apr 7, 2011 at 8:33 PM, Baek Chang <baeksan at ccrma.stanford.edu>wrote:

> seems to be stuck in iochannel callback?  Heres a stack trace when I do
> killall -11 pulseaudio to generate a crash.
> also could be stuck in rtpoll sleeping in alsa sink?
>
>       PC    Instructions around faulting address
>  2aeb5ae4   e1a02005 e1a0a000 e1a00008 ef000000 2aeb5af4
>  2aeb5af4   e3700a01 e1a03000 91a04000 8a000009 2aeb5b04
> Stack:
> depth StackAdr     Content     Symbolname
>      7eaf9a58  0006f558
>      7eaf9a5c  00024c90
>      7eaf9a60  000214d8
>      7eaf9a64  2ac78468
>      7eaf9a68  2ac3ec20(17c20) in /usr/lib/.debug/
> libpulsecommon-0.9.so/callback ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/iochannel.c:134
>       7eaf9a6c  2ac524ac(2b4ac) in /usr/lib/.debug/
> libpulsecommon-0.9.so/pa_pstream_unref ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/pstream.c:955
>       7eaf9a70  2ac78468
>      7eaf9a74  00000000
>      7eaf9a78  0006f558
>      7eaf9a7c  00000000
>      7eaf9a80  00000001
>      7eaf9a84  ffffffff
>      7eaf9a88  0000002f
>      7eaf9a8c  0000002f
>      7eaf9a90  0006d9d0
>      7eaf9a94  2aeb5adc(cbadc) in /lib/libc-2.8.so/__poll ()
>      7eaf9a98  0000002f
>  #00 -------------------------------------------------------------
>      7eaf9a9c  ffffffff
>      7eaf9aa0  0006d9d0
>      7eaf9aa4  0000002f
>      7eaf9aa8  00000000
>      7eaf9aac  00000000
>      7eaf9ab0  0001f068
>      7eaf9ab4  2aeb5c5c(cbc5c) in /lib/libc-2.8.so/ppoll ()
>      7eaf9ab8  00001030
>  #01 -------------------------------------------------------------
>      7eaf9abc  00000000
>      7eaf9ac0  0002151c
>      7eaf9ac4  570214d8
>      7eaf9ac8  00000001
>      7eaf9acc  00024c90
>      7eaf9ad0  00000010
>      7eaf9ad4  00000000
>      7eaf9ad8  2ac78468
>      7eaf9adc  2ac3ea5c(17a5c) in /usr/lib/.debug/
> libpulsecommon-0.9.so/enable_events ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/iochannel.c:100
>       7eaf9ae0  00000000
>      7eaf9ae4  2ac26530
>      7eaf9ae8  7eaf9bfc in [stack] 7eaf9bfc
>      7eaf9aec  00000010
>      7eaf9af0  00024c90
>      7eaf9af4  000214d8
>      7eaf9af8  2ac78468
>      7eaf9afc  2ac3ec20(17c20) in /usr/lib/.debug/
> libpulsecommon-0.9.so/callback ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/iochannel.c:134
>       7eaf9b00  2ac26530
>      7eaf9b04  00000000
>      7eaf9b08  00000001
>      7eaf9b0c  2ac3ed04(17d04) in /usr/lib/.debug/
> libpulsecommon-0.9.so/callback ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/iochannel.c:164
>       7eaf9b10  7ef7bb00
>      7eaf9b14  2b00c000
>      7eaf9b18  000f2d76
>      7eaf9b1c  00070298
>      7eaf9b20  0002151c
>      7eaf9b24  000214d8
>      7eaf9b28  00000001
>      7eaf9b2c  000380f0
>      7eaf9b30  00000000
>      7eaf9b34  000214d8
>      7eaf9b38  00000000
>      7eaf9b3c  0000002f
>      7eaf9b40  0006d9d0
>      7eaf9b44  000214d8
>      7eaf9b48  2ac26530
>      7eaf9b4c  2abf95a4(1d5a4) in
> /usr/lib/.debug/libpulse.so.0.12.3/pa_mainloop_poll ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulse/mainloop.c:880
>       7eaf9b50  00000000
>  #02 -------------------------------------------------------------
>      7eaf9b54  00000000
>      7eaf9b58  7eaf9b60 in [stack] 7eaf9b60
>      7eaf9b5c  0002151c
>      7eaf9b60  00000897
>      7eaf9b64  400b1d9f
>      7eaf9b68  0000003b
>      7eaf9b6c  000214d8
>      7eaf9b70  000214d8
>      7eaf9b74  7eaf9c0c in [stack] 7eaf9c0c
>      7eaf9b78  000214d8
>      7eaf9b7c  2ac26530
>      7eaf9b80  00000001
>      7eaf9b84  00000000
>      7eaf9b88  0001f068
>      7eaf9b8c  2abfae08(1ee08) in
> /usr/lib/.debug/libpulse.so.0.12.3/pa_mainloop_iterate ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulse/mainloop.c:954
>       7eaf9b90  000167cc(167cc) in /usr/bin/.debug/pulseaudio
>  #03 -------------------------------------------------------------
>      7eaf9b94  00024ab8
>      7eaf9b98  00000000
>      7eaf9b9c  000214d8
>      7eaf9ba0  00021e28
>      7eaf9ba4  00000001
>      7eaf9ba8  00000000
>      7eaf9bac  7eaf9c0c in [stack] 7eaf9c0c
>      7eaf9bb0  000214d8
>      7eaf9bb4  000214d8
>      7eaf9bb8  00021e28
>      7eaf9bbc  2abfaeec(1eeec) in
> /usr/lib/.debug/libpulse.so.0.12.3/pa_mainloop_run ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulse/mainloop.c:972
>       7eaf9bc0  00024ab8
>  #04 -------------------------------------------------------------
>      7eaf9bc4  00000000
>      7eaf9bc8  000214d8
>      7eaf9bcc  00011d9c(11d9c) in /usr/bin/.debug/pulseaudio/main ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/daemon/main.c:1064
>       7eaf9bd0  000167cc(167cc) in /usr/bin/.debug/pulseaudio
>  #05 -------------------------------------------------------------
>      7eaf9bd4  00024ab8
>      7eaf9bd8  0000001f
>      7eaf9bdc  00015ea8(15ea8) in /usr/bin/.debug/pulseaudio
>      7eaf9be0  0000001f
>      7eaf9be4  00000000
>      7eaf9be8  000158e0(158e0) in /usr/bin/.debug/pulseaudio
>      7eaf9bec  00021360
>      7eaf9bf0  ffffffff
>      7eaf9bf4  00024b20
>      7eaf9bf8  00000000
>      7eaf9bfc  ffffffff
>      7eaf9c00  ffffffff
>      7eaf9c04  00012d80(12d80) in
> /usr/bin/.debug/pulseaudio/__libc_csu_init ()
>                              at
> /opt/codesourcery/arm-none-linux-gnueabi/src/glibc/csu/elf-init.c:83
>       7eaf9c08  00000002
>      7eaf9c0c  00000000
>      7eaf9c10  2aaba2f8(f2f8) in /lib/ld-2.8.so/_dl_fini ()
>      7eaf9c14  00000000
>      7eaf9c18  2aacda50
>      7eaf9c1c  00000000
>      7eaf9c20  2af27958
>      7eaf9c24  00000000
>      7eaf9c28  00000000
>      7eaf9c2c  2aad2000
>      7eaf9c30  00000000
>      7eaf9c34  2adfefe0(14fe0) in /lib/libc-2.8.so/__libc_start_main ()
>      7eaf9c38  2af26000
>  #06 -------------------------------------------------------------
>      7eaf9c3c  7eaf9d84 in [stack] 7eaf9d84
>      7eaf9c40  00000002
>      7eaf9c44  00010560(10560) in /usr/bin/.debug/pulseaudio/main ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/daemon/main.c:402
>       7eaf9c48  00000000
>      7eaf9c4c  00000000
>      7eaf9c50  00000110
>      7eaf9c54  2af26000
>      7eaf9c58  00000000
>      7eaf9c5c  00000000
>      7eaf9c60  2aad2000
>      7eaf9c64  00000000
>      7eaf9c68  7eaf9c38 in [stack] 7eaf9c38
>      7eaf9c6c  2adfef98(14f98) in /lib/libc-2.8.so/__libc_start_main ()
>      7eaf9c70  00000000
>      7eaf9c74  00000000
>      7eaf9c78  00000000
>      7eaf9c7c  00000000
> time to list this stack:0s  9576us ptrace_peektext=138
> --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
> pid: 6857, tid: 6858
>     r0 fffffdfc
>     r1 00000002
>     r2 ffffffff
>     r3 00000000
>     r4 00000001
>     r5 ffffffff
>     r6 00000002
>     r7 000000a8
>     r8 000267d8
>     r9 00000000
>    r10 00000000
>     fp 2c886d9c
>     ip 000030ec
>     sp 2c886c28
>     lr 2aecc2b8(e22b8) in /lib/libc-2.8.so/__libc_enable_asynccancel ()
>     pc 2aeb5af4(cbaf4) in /lib/libc-2.8.so/__poll ()
>   cpsr 60000010
> Dumping thread alsa-sink (6858)
> #00  pc 2aeb5af4(cbaf4) in /lib/libc-2.8.so/__poll ()
> #01  pc 2aeb5c58(cbc58) in /lib/libc-2.8.so/ppoll ()
> #02  pc 2ab2573c(3873c) in /usr/lib/.debug/
> libpulsecore-0.9.so/pa_rtpoll_run ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/rtpoll.c:304
>  #03  pc 2c06e058(1e058) in /usr/lib/pulse-0.9.22/modules/.debug/
> libalsa-util.so/thread_func ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/modules/alsa/alsa-sink.c:1578
>  #04  pc 2ac63028(3c028) in /usr/lib/.debug/
> libpulsecommon-0.9.so/internal_thread_func ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/thread-posix.c:83
>  #05  pc 2add0730(6730) in /lib/libpthread-2.8.so/start_thread ()
> #06  pc 2aebf594(d5594) in /lib/libc-2.8.so/__clone ()
>
>       PC    Instructions around faulting address
>  2aeb5ae4   e1a02005 e1a0a000 e1a00008 ef000000 2aeb5af4
>  2aeb5af4   e3700a01 e1a03000 91a04000 8a000009 2aeb5b04
> Stack:
> depth StackAdr     Content     Symbolname
>      2c886be8  2c886ca4
>      2c886bec  2afd3000
>      2c886bf0  00000000
>      2c886bf4  00000000
>      2c886bf8  00015888(15888) in /usr/bin/.debug/pulseaudio
>      2c886bfc  00071ff8
>      2c886c00  2c886ca4
>      2c886c04  2d0b6370(1a370) in
> /usr/lib/pulse-0.9.22/modules/.debug/libprotocol-native.so
>      2c886c08  2c886ca4
>      2c886c0c  2d0a7cf4(bcf4) in /usr/lib/pulse-0.9.22/modules/.debug/
> libprotocol-native.so/sink_input_process_msg ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/protocol-native.c:1464
>       2c886c10  00000001
>      2c886c14  ffffffff
>      2c886c18  00000002
>      2c886c1c  00000002
>      2c886c20  000267d8
>      2c886c24  2aeb5adc(cbadc) in /lib/libc-2.8.so/__poll ()
>      2c886c28  00000000
>  #00 -------------------------------------------------------------
>      2c886c2c  ffffffff
>      2c886c30  000267d8
>      2c886c34  00000002
>      2c886c38  00000001
>      2c886c3c  00000000
>      2c886c40  2c886db8
>      2c886c44  2aeb5c5c(cbc5c) in /lib/libc-2.8.so/ppoll ()
>      2c886c48  00026e48
>  #01 -------------------------------------------------------------
>      2c886c4c  2ab12b20(25b20) in /usr/lib/.debug/
> libpulsecore-0.9.so/pa_fdsem_before_poll ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/fdsem.c:310
>       2c886c50  2ab84700
>      2c886c54  2aafb238(e238) in /usr/lib/.debug/
> libpulsecore-0.9.so/pa_asyncmsgq_done ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/asyncmsgq.c:235
>       2c886c58  00000000
>      2c886c5c  00027810
>      2c886c60  00000064
>      2c886c64  00026ea0
>      2c886c68  2ab84700
>      2c886c6c  00000001
>      2c886c70  00000000
>      2c886c74  2c886db8
>      2c886c78  2c886d9c
>      2c886c7c  2aafc754(f754) in /usr/lib/.debug/
> libpulsecore-0.9.so/pa_asyncq_write_before_poll ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/asyncq.c:304
>       2c886c80  2c886db8
>      2c886c84  2ab244c4(374c4) in /usr/lib/.debug/
> libpulsecore-0.9.so/asyncmsgq_read_work ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/rtpoll.c:545
>       2c886c88  2c886cb0
>      2c886c8c  2c886ca4
>      2c886c90  00000000
>      2c886c94  000469b0
>      2c886c98  00026e48
>      2c886c9c  00027810
>      2c886ca0  00000064
>      2c886ca4  000267b0
>      2c886ca8  2ab84700
>      2c886cac  2ab24410(37410) in /usr/lib/.debug/
> libpulsecore-0.9.so/asyncmsgq_write_before ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/rtpoll.c:588
>       2c886cb0  00000000
>      2c886cb4  00000000
>      2c886cb8  00000000
>      2c886cbc  00071d28
>      2c886cc0  0000000e
>      2c886cc4  00071ff8
>      2c886cc8  0000000c
>      2c886ccc  00000000
>      2c886cd0  00000000
>      2c886cd4  000267b0
>      2c886cd8  2ab84700
>      2c886cdc  2ab25740(38740) in /usr/lib/.debug/
> libpulsecore-0.9.so/pa_rtpoll_run ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/pulsecore/rtpoll.c:310
>       2c886ce0  00000000
>  #02 -------------------------------------------------------------
>      2c886ce4  00000000
>      2c886ce8  00000000
>      2c886cec  000332c4
>      2c886cf0  00000000
>      2c886cf4  00033168
>      2c886cf8  2c886dce
>      2c886cfc  00000000
>      2c886d00  00000000
>      2c886d04  00000000
>      2c886d08  00000000
>      2c886d0c  00000000
>      2c886d10  00000001
>      2c886d14  00000000
>      2c886d18  00000000
>      2c886d1c  00000000
>      2c886d20  000265d8
>      2c886d24  2c06e05c(1e05c) in /usr/lib/pulse-0.9.22/modules/.debug/
> libalsa-util.so/thread_func ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/modules/alsa/alsa-sink.c:1578
>       2c886d28  00002580
>  #03 -------------------------------------------------------------
>      2c886d2c  00033854
>      2c886d30  00000000
>      2c886d34  00000000
>      2c886d38  2c887490
>      2c886d3c  00000000
>      2c886d40  2af26000
>      2c886d44  2c087400
>      2c886d48  2c07cf48(2cf48) in
> /usr/lib/pulse-0.9.22/modules/.debug/libalsa-util.so
>      2c886d4c  2c07d00c(2d00c) in
> /usr/lib/pulse-0.9.22/modules/.debug/libalsa-util.so
>      2c886d50  ffff5c30
>      2c886d54  2af2703c
>      2c886d58  2c07cfe0(2cfe0) in
> /usr/lib/pulse-0.9.22/modules/.debug/libalsa-util.so
>      2c886d5c  2c886dc8
>      2c886d60  2c07ce04(2ce04) in
> /usr/lib/pulse-0.9.22/modules/.debug/libalsa-util.so
>      2c886d64  ffff4978
>      2c886d68  00025aa0
>      2c886d6c  2ac26530
>      2c886d70  003d0f00
>      2c886d74  ffff4300
>      2c886d78  00000000
>      2c886d7c  00000000
>      2c886d80  00002580
>      2c886d84  00027d60
>      2c886d88  00000001
>      2c886d8c  000266d8
>      2c886d90  00000000
>      2c886d94  00000000
>      2c886d98  00025aa0
>      2c886d9c  00028068
>      2c886da0  00000000
>      2c886da4  000012c0
>      2c886da8  00000000
>      2c886dac  00000000
>      2c886db0  00000000
>      2c886db4  00000000
>      2c886db8  000004b0
>      2c886dbc  2ac78468
>      2c886dc0  003d0f00
>      2c886dc4  00000000
>      2c886dc8  00000002
>      2c886dcc  00000000
>      2c886dd0  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886dd4  2ac78de4
>      2c886dd8  00025aac
>      2c886ddc  00025aa0
>      2c886de0  2ac78468
>      2c886de4  003d0f00
>      2c886de8  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886dec  00000000
>      2c886df0  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886df4  2ac6302c(3c02c) in /usr/lib/.debug/
> libpulsecommon-0.9.so/pa_atomic_sub ()
>                              at
> /home/bchang/projects/pulseaudio/pulseaudio-0.9.22/branches/baek/src/./pulsecore/atomic.h:72
>       2c886df8  00000000
>  #04 -------------------------------------------------------------
>      2c886dfc  00000000
>      2c886e00  00000000
>      2c886e04  00000000
>      2c886e08  00000000
>      2c886e0c  00000000
>      2c886e10  00000000
>      2c886e14  2c887490
>      2c886e18  2c887490
>      2c886e1c  2add0688(6688) in /lib/libpthread-2.8.so/start_thread ()
>      2c886e20  00000000
>      2c886e24  2add0734(6734) in /lib/libpthread-2.8.so/start_thread ()
>      2c886e28  2ade7000
>  #05 -------------------------------------------------------------
>      2c886e2c  2c887490
>      2c886e30  2ade7000
>      2c886e34  2c887490
>      2c886e38  2add0688(6688) in /lib/libpthread-2.8.so/start_thread ()
>      2c886e3c  00000152
>      2c886e40  003d0f00
>      2c886e44  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886e48  00000000
>      2c886e4c  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886e50  2c886e28
>      2c886e54  2add0700(6700) in /lib/libpthread-2.8.so/start_thread ()
>      2c886e58  00000000
>      2c886e5c  00000000
>      2c886e60  00000000
>      2c886e64  00000000
>      2c886e68  00000000
>      2c886e6c  00000000
>      2c886e70  00000000
>      2c886e74  00000000
>      2c886e78  00000000
>      2c886e7c  00000000
>      2c886e80  00000000
>      2c886e84  00000000
>      2c886e88  00000000
>      2c886e8c  00000000
>      2c886e90  00000000
>      2c886e94  00000000
>      2c886e98  00000000
>      2c886e9c  80000010
>      2c886ea0  00000000
>      2c886ea4  00000000
>      2c886ea8  00000000
>      2c886eac  00000000
>      2c886eb0  00000000
>      2c886eb4  00000000
>      2c886eb8  00000000
>      2c886ebc  00000000
>      2c886ec0  00000000
>      2c886ec4  00000000
>      2c886ec8  00000000
>      2c886ecc  00000000
>      2c886ed0  00000000
>      2c886ed4  00000000
>      2c886ed8  00000000
>      2c886edc  00000000
>      2c886ee0  00000000
>      2c886ee4  00000000
>      2c886ee8  00000000
>      2c886eec  00000000
>      2c886ef0  00000000
>      2c886ef4  00000000
>      2c886ef8  00000000
>      2c886efc  00000000
>      2c886f00  00000000
>      2c886f04  00000000
>      2c886f08  00000000
>      2c886f0c  00000000
>      2c886f10  00000000
>      2c886f14  00000000
>      2c886f18  00000000
>      2c886f1c  00000000
>      2c886f20  00000000
>      2c886f24  00000000
>      2c886f28  00000000
>      2c886f2c  00000000
>      2c886f30  00000000
>      2c886f34  00000000
>      2c886f38  00000000
>      2c886f3c  00000000
>      2c886f40  00000000
>      2c886f44  00000000
>      2c886f48  00000000
>      2c886f4c  00000000
>      2c886f50  00000000
>      2c886f54  00000000
>      2c886f58  00000000
>      2c886f5c  00000000
>      2c886f60  00000000
>      2c886f64  00000000
>      2c886f68  00000000
>      2c886f6c  00000000
>      2c886f70  00000000
>      2c886f74  00000000
>      2c886f78  00000000
>      2c886f7c  00000000
>      2c886f80  00000000
>      2c886f84  00000000
>      2c886f88  00000000
>      2c886f8c  00000000
>      2c886f90  00000000
>      2c886f94  00000000
>      2c886f98  00000000
>      2c886f9c  00000000
>      2c886fa0  00000000
>      2c886fa4  00000000
>      2c886fa8  00000000
>      2c886fac  00000000
>      2c886fb0  00000000
>      2c886fb4  00000000
>      2c886fb8  00000000
>      2c886fbc  00000000
>      2c886fc0  00000000
>      2c886fc4  00000000
>      2c886fc8  00000000
>      2c886fcc  2c8874d8
>      2c886fd0  2c887490
>      2c886fd4  2add0688(6688) in /lib/libpthread-2.8.so/start_thread ()
>      2c886fd8  00000078
>      2c886fdc  003d0f00
>      2c886fe0  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886fe4  00000000
>      2c886fe8  2addc4c8(124c8) in /lib/libpthread-2.8.so
>      2c886fec  2aebf598(d5598) in /lib/libc-2.8.so/__clone ()
>      2c886ff0  00000000
>  #06 -------------------------------------------------------------
>      2c886ff4  00000000
>      2c886ff8  00000000
>      2c886ffc  00000000
>      2c887000  00000000
>      2c887004  00000000
>      2c887008  00000000
>      2c88700c  00000000
>      2c887010  00000000
>      2c887014  00000000
>      2c887018  00000000
>      2c88701c  00000000
>      2c887020  00000000
>      2c887024  00000000
>      2c887028  00000000
>      2c88702c  00000000
>      2c887030  00000000
>      2c887034  00000000
> time to list this stack:0s  15423us ptrace_peektext=276
> --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
> pid: 6857, tid: 6859
>     r0 fffffdfc
>     r1 00000002
>     r2 ffffffff
>     r3 00000000
>     r4 00000001
>     r5 ffffffff
>     r6 00000002
>     r7 000000a8
>     r8 00036c60
>     r9 00000000
>    r10 00000000
>     fp 00000000
>     ip 000030ec
>     sp 2d090c2c
>     lr 2aecc2b8(e22b8) in /lib/libc-2.8.so/__libc_enable_asynccancel ()
>     pc ffff0520
>   cpsr 60000010
>
>
>
> On Thu, Apr 7, 2011 at 5:24 PM, Baek Chang <baeksan at ccrma.stanford.edu>wrote:
>
>> Running into a weird issue.  I am doing the following on 0.9.22 version of
>> pulseaudio
>>
>> start pulseaudio, and play and audio file.
>> when the file is done playing, after 5 seconds, the alsa sink suspends.
>> then I let the system go to power collapse.
>>
>> When I resume and play an audio file again, alsa sink is blocked
>> somewhere, I do not see the message
>> I: alsa-sink.c: Trying resume...
>> The PA_SINK_SET_STATE message doesn't seem to be called to the alsa sink.
>>
>> Alsa is not blocked at this point, I can do an aplay to hw:0 and hear the
>> output, bypassing pulseaudio.
>>
>>
>> here is an example from pulseaudio with debug messages enabled, after
>> suspend/resume:
>>
>> aplay -D media /usr/palm/sounds/phone.wav -vvv &
>> root at palm-webos:/var/home/root# I: client.c: Created 2 "Native client
>> (UNIX socket client)"
>> D: protocol-native.c: Protocol version: remote 19, local 19
>> I: protocol-native.c: Got credentials: uid=0 gid=0 success=1
>> D: protocol-native.c: SHM possible: yes
>> D: protocol-native.c: Negotiated SHM: no
>> Playing WAVE '/usr/palm/sounds/phone.wav' : Signed 16 bit Little Endian,
>> Rate 44100 Hz, Stereo
>> D: module-suspend-on-idle.c: Sink pcm_output becomes busy.
>> D: memblockq.c: memblockq requested: maxlength=33554432, tlength=0,
>> base=4, prebuf=0, minreq=1 maxrewind=0
>> D: memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432,
>> base=4, prebuf=0, minreq=4 maxrewind=0
>> I: sink-input.c: Created input 0 "ALSA Playback" on pcm_output with sample
>> spec s16le 2ch 44100Hz and channel map front-left,front-right
>> I: sink-input.c:     media.name = "ALSA Playback"
>> I: sink-input.c:     application.name = "ALSA plug-in [aplay]"
>> I: sink-input.c:     native-protocol.peer = "UNIX socket client"
>> I: sink-input.c:     native-protocol.version = "19"
>> I: sink-input.c:     application.process.id = "3593"
>> I: sink-input.c:     application.process.user = "root"
>> I: sink-input.c:     application.process.host = "palm-webos"
>> I: sink-input.c:     application.process.binary = "aplay"
>> I: sink-input.c:     application.language = "C"
>> I: sink-input.c:     application.process.machine_id = "palm-webos"
>> I: protocol-native.c: Requested tlength=500.00 ms, minreq=124.99 ms
>> D: protocol-native.c: Early requests mode enabled, configuring sink
>> latency to minreq.
>> D: memblockq.c: memblockq requested: maxlength=4194304, tlength=88200,
>> base=4, prebuf=66152, minreq=9596 maxrewind=0
>> D: memblockq.c: memblockq sanitized: maxlength=4194304, tlength=88200,
>> base=4, prebuf=66152, minreq=9596 maxrewind=0
>> I: protocol-native.c: Final latency 554.42 ms = 391.20 ms + 2*54.40 ms +
>> 54.42 ms
>> D: sink-input.c: SetVolumeWithRamping: Virtual Volume From 1646=0.000016
>> to 41160=0.247734
>> D: sink-input.c: Sink input's soft volume is 41160= 0.247734
>> D: sink-input.c: Volume Ramping: Point 1 is 1=0.000015, Point 2 is
>> 16236=0.247742
>> I: module-palm-policy.c: parse_message: ramp command received, sink is 4,
>> volumetoset:70, headphones:0
>> ALSA <-> PulseAudio PCM I/O Plugin
>> Its setup is:
>>   stream       : PLAYBACK
>>   access       : RW_INTERLEAVED
>>   format       : S16_LE
>>   subformat    : STD
>>   channels     : 2
>>   rate         : 44100
>>   exact rate   : 44100 (44100/1)
>>   msbits       : 16
>>   buffer_size  : 22050
>>   period_size  : 5512
>>   period_time  : 125000
>>   tstamp_mode  : NONE
>>   period_step  : 1
>>   avail_min    : 5512
>>   period_event : 0
>>   start_threshold  : 22050
>>   stop_threshold   : 22050
>>   silence_threshold: 0
>>   silence_size : 0
>>   boundary     : 1445068800
>> Max peak (11024 samples): 0x00002dd0 ########             35%
>> Max peak (11024 samples): 0x0000332c ########             39%
>> Max peak (11024 samples): 0x00003741 #########            43%
>> D: protocol-native.c: Requesting rewind due to end of underrun.
>> D: protocol-native.c: Requesting rewind due to end of underrun.
>> Max peak (11024 samples): 0x0000353f #########            41%
>> D: protocol-native.c: Requesting rewind due to end of underrun.
>> D: protocol-native.c: Requesting rewind due to end of underrun.
>>
>> Just waits here forever.  Sink doesnt get resume call, and alsasink
>> doesn't get resumed either
>>
>> Any ideas?
>>
>> --
>> -baeksanchang
>>
>
>
>
> --
> -baeksanchang
>



-- 
-baeksanchang
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