<div dir="ltr"><div><div><div><div><div><div>Hi Arun, </div>Thanks for the reply. </div>we tried updating to pulseaudio-9.0 and simulated the test case in loop . </div> </div>as we are getting the same crash , and the frequency of the crash is also same as that of pulseaudio-6.0. </div>stack trace for this is #0 __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:57 57 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) bt #0 __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:57 #1 0xb6bf7690 in __GI_abort () at abort.c:89 #2 0xb527d4f4 in calc_next_timeout (m=<optimized out>) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulse/mainloop.c:719 #3 pa_mainloop_prepare (m=0x0, m@entry=0xdbcd8, timeout=timeout@entry=-1) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulse/mainloop.c:800 #4 0xb527ddf0 in pa_mainloop_iterate (m=m@entry=0xdbcd8, block=block@entry=1, retval=retval@entry=0x0) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulse/mainloop.c:923 #5 0xb527ded0 in pa_mainloop_run (m=0xdbcd8, retval=retval@entry=0x0) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulse/mainloop.c:944 #6 0xb528db74 in thread (userdata=0xd3180) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulse/thread-mainloop.c:100 #7 0xb521a9e8 in internal_thread_func (userdata=0xd2a90) at /u02/yoctobms/build/info3-low/tmp-eglibc/work/cortexa7hf-vfp-neon-kpit-linux-gnueabi/pulseaudio/9.0-r0/pulseaudio-9.0/src/pulsecore/thread-posix.c:81 #8 0xb6e16040 in start_thread (arg=0xafdfe420) at pthread_create.c:314 #9 0xb6c95e20 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/clone.S:92 from /usr/local/i3l-target/sysroots/cortexa7hf-vfp-neon-kpit-linux-gnueabi/lib/libc.so.6 #10 0xb6c95e20 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/clone.S:92 from /usr/local/i3l-target/sysroots/cortexa7hf-vfp-neon-kpit-linux-gnueabi/lib/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) </div>Any pointers on this would help in proceeding further. </div><div class="gmail_extra"> <div class="gmail_quote">On Mon, Jul 25, 2016 at 9:55 AM, Arun Raghavan <<a href="mailto:arun@arunraghavan.net" target="_blank">arun@arunraghavan.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> On Sat, 23 Jul 2016, at 06:08 PM, Dhananjay Joshi wrote: > Hi > we are getting the below assertion failed in libpulse ultimately causes > crash. > > static pa_usec_t calc_next_timeout(pa_mainloop *m) { > pa_time_event *t; > pa_usec_t clock_now; > > if (m->n_enabled_time_events <= 0) > return PA_USEC_INVALID; > > * pa_assert_se(t = find_next_time_event(m));* //// assertion failed <div><div class="h5">> here > and causes the crash > > if (t->time <= 0) > return 0; > > clock_now = pa_rtclock_now(); > > if (t->time <= clock_now) > return 0; > > return t->time - clock_now; > } > > > this crash happened due to the following API call. > > pa_context_suspend_sink_by_name(context,sink_name,suspend/resume,NULL.NULL); > > above function causes a crash in libpulse code. > > #0 __GI_raise (sig=sig@entry=6) at > ../nptl/sysdeps/unix/sysv/linux/raise.c:57 > #1 0xb6bd5690 in __GI_abort () at abort.c:89 > #2 0xb525dbe0 in calc_next_timeout (m=<optimized out>) at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulse/mainloop.c:719 > #3 pa_mainloop_prepare (m=0x0, m@entry=0xb37d8, > timeout=timeout@entry=-1) > at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulse/mainloop.c:800 > #4 0xb525e4dc in pa_mainloop_iterate (m=m@entry=0xb37d8, > block=block@entry=1, > retval=retval@entry=0x0) at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulse/mainloop.c:923 > #5 0xb525e5bc in pa_mainloop_run (m=0xb37d8, retval=retval@entry=0x0) at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulse/mainloop.c:944 > #6 0xb526e1a0 in thread (userdata=0xb2820) at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulse/thread-mainloop.c:88 > #7 0xb51fc11c in internal_thread_func (userdata=0xb62c0) at > /usr/src/debug/pulseaudio/6.0-r0/pulseaudio-6.0/src/pulsecore/thread-posix.c:81 > #8 0xb6df4040 in start_thread (arg=0xb00fe420) at pthread_create.c:314 > > Note: This issue occurs randomly. with pulseaudio-6.0 > > Request to help in resolution of this issue: </div></div>Could you try with 9.0? If it still happens, it would be nice to have a testcase that maybe does what you're doing in a loop until it breaks. Cheers, Arun _______________________________________________ pulseaudio-discuss mailing list <a href="mailto:pulseaudio-discuss@lists.freedesktop.org">pulseaudio-discuss@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss</a> </blockquote></div> </div>