0002999: mlt/kdenlive deadlock

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0002999

Kdenlive

MLT

public

2013-02-26 00:33

2013-02-26 01:36

Reporter

mcfrisk

Assigned To

Priority

normal

Severity

block

Reproducibility

sometimes

Status

new

Resolution

open

Platform

32 bit intel and alike

Debian Linux

OS Version

4.0

Product Version

Recent git

Target Version

Fixed in Version

Summary

0002999: mlt/kdenlive deadlock

Description

Latest mlt and kdenlive from git, ffmpeg 7:1.0.1-dmo1 from deb-multimedia.org.

Playing timeline with few video clips, some with proxy, still photos, mp3 and wav audio track (mp3 seems to have syncing issues so I was trying to switch to wav). Kdenlive deadlocked a few times during past 30 minutes but don't know how to repeat this.

Additional Information

0xb77e0424 in __kernel_vsyscall ()
(gdb) thread apply all bt full

Thread 12 (Thread 0x9f74fb70 (LWP 8948)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb51f3d96 in *__GI___poll (fds=0xb528aff4, nfds=2, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
0000002 0xb4d4913b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000003 0xb4d3a9f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000004 0xb4d3ab51 in g_main_context_iteration ()
   from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000005 0xb5e6584f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000006 0xb5e3201c in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000007 0xb5e32311 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000008 0xb5d1eb3c in QThread::exec() ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000009 0xb5e1076d in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000010 0xb5d21f00 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000011 0xb5c51c39 in start_thread (arg=0x9f74fb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x9f74fb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -1619725256, -1994221666, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000012 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
---Type <return> to continue, or q <return> to quit---
No locals.

Thread 11 (Thread 0xa0b53b70 (LWP 9068)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa504e3f0, mutex=0xa504e420)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 1197
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0xa0b532bc, __canceltype = -1526406112, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xa504e3f0, mutex = 0xa504e420,
          bc_seq = 199}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 597
0000002 0xaffd66b4 in worker (v=0xa6bd14e0) at libavcodec/pthread.c:220
        avctx = 0xa6bd14e0
        c = 0xa504e3a0
        our_job = <optimized out>
        last_execute = <optimized out>
---Type <return> to continue, or q <return> to quit---
        thread_count = 3
        self_id = 1
0000003 0xb5c51c39 in start_thread (arg=0xa0b53b70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0xa0b53b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -1598737352, 178427873, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 10 (Thread 0x9aa94b70 (LWP 9069)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa504e3f0, mutex=0xa504e420)
    at pthread_cond_wait.c:153
---Type <return> to continue, or q <return> to quit---
        __status = -512
        _val = 1197
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x9aa942bc, __canceltype = -1526406112, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xa504e3f0, mutex = 0xa504e420,
          bc_seq = 199}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 597
0000002 0xaffd66b4 in worker (v=0xa6bd14e0) at libavcodec/pthread.c:220
        avctx = 0xa6bd14e0
        c = 0xa504e3a0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 2
0000003 0xb5c51c39 in start_thread (arg=0x9aa94b70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x9aa94b70
---Type <return> to continue, or q <return> to quit---
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -1700182984, 843224981, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 9 (Thread 0x9a293b70 (LWP 9070)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa504e3f0, mutex=0xa504e420)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 1197
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x9a2932bc, __canceltype = -1526406112, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xa504e3f0, mutex = 0xa504e420,
          bc_seq = 199}
---Type <return> to continue, or q <return> to quit---
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 597
0000002 0xaffd66b4 in worker (v=0xa6bd14e0) at libavcodec/pthread.c:220
        avctx = 0xa6bd14e0
        c = 0xa504e3a0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 0
0000003 0xb5c51c39 in start_thread (arg=0x9a293b70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x9a293b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -1708575688, 849516436, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 8 (Thread 0x7fbffb70 (LWP 9071)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa4e72910, mutex=0xa4e72940)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 1107
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x7fbff2bc, __canceltype = -1528354496, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xa4e72910, mutex = 0xa4e72940,
          bc_seq = 184}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 552
0000002 0xaffd66b4 in worker (v=0xa6b44420) at libavcodec/pthread.c:220
        avctx = 0xa6b44420
        c = 0xa4e728c0
---Type <return> to continue, or q <return> to quit---
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 2
0000003 0xb5c51c39 in start_thread (arg=0x7fbffb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x7fbffb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                2143286328, 522360415, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 7 (Thread 0x7f3feb70 (LWP 9072)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa4e72910, mutex=0xa4e72940)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 1107
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x7f3fe2bc, __canceltype = -1528354496, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xa4e72910, mutex = 0xa4e72940,
          bc_seq = 184}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 552
0000002 0xaffd66b4 in worker (v=0xa6b44420) at libavcodec/pthread.c:220
        avctx = 0xa6b44420
        c = 0xa4e728c0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 0
0000003 0xb5c51c39 in start_thread (arg=0x7f3feb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
---Type <return> to continue, or q <return> to quit---
        __ignore2 = <optimized out>
        pd = 0x7f3feb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                2134893624, 520263262, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 6 (Thread 0x7ebfdb70 (LWP 9073)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0xa4e72910, mutex=0xa4e72940)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 1107
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x7ebfd2bc, __canceltype = -1528354496, __prev = 0x0}
---Type <return> to continue, or q <return> to quit---
        cbuffer = {oldtype = 0, cond = 0xa4e72910, mutex = 0xa4e72940,
          bc_seq = 184}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 552
0000002 0xaffd66b4 in worker (v=0xa6b44420) at libavcodec/pthread.c:220
        avctx = 0xa6b44420
        c = 0xa4e728c0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 1
0000003 0xb5c51c39 in start_thread (arg=0x7ebfdb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x7ebfdb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                2126500920, 526554717, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
---Type <return> to continue, or q <return> to quit---
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 5 (Thread 0x84effb70 (LWP 9074)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0x7e2be130, mutex=0x7e2be160)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 2127
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x84eff2bc, __canceltype = 2116804960, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x7e2be130, mutex = 0x7e2be160,
          bc_seq = 354}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 1062
0000002 0xaffd66b4 in worker (v=0xa6ba1a60) at libavcodec/pthread.c:220
---Type <return> to continue, or q <return> to quit---
        avctx = 0xa6ba1a60
        c = 0x7e2be0e0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 2
0000003 0xb5c51c39 in start_thread (arg=0x84effb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x84effb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -2064649160, -1088251991, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 4 (Thread 0x846feb70 (LWP 9075)):
---Type <return> to continue, or q <return> to quit---
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0x7e2be130, mutex=0x7e2be160)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 2127
        futex_val = <optimized out>
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x846fe2bc, __canceltype = 2116804960, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x7e2be130, mutex = 0x7e2be160,
          bc_seq = 354}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 1062
0000002 0xaffd66b4 in worker (v=0xa6ba1a60) at libavcodec/pthread.c:220
        avctx = 0xa6ba1a60
        c = 0x7e2be0e0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 0
0000003 0xb5c51c39 in start_thread (arg=0x846feb70) at pthread_create.c:304
---Type <return> to continue, or q <return> to quit---
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x846feb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -2073041864, -1090349144, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 3 (Thread 0x83cffb70 (LWP 9076)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c5620a in __pthread_cond_wait (cond=0x7e2be130, mutex=0x7e2be160)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 2127
        futex_val = <optimized out>
---Type <return> to continue, or q <return> to quit---
        buffer = {__routine = 0xb5c563a0 <__condvar_cleanup>,
          __arg = 0x83cff2bc, __canceltype = 2116804960, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x7e2be130, mutex = 0x7e2be160,
          bc_seq = 354}
        err = <optimized out>
        pshared = 0
        val = <optimized out>
        seq = 1062
0000002 0xaffd66b4 in worker (v=0xa6ba1a60) at libavcodec/pthread.c:220
        avctx = 0xa6ba1a60
        c = 0x7e2be0e0
        our_job = <optimized out>
        last_execute = <optimized out>
        thread_count = 3
        self_id = 1
0000003 0xb5c51c39 in start_thread (arg=0x83cffb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0x83cffb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -2083523528, -14510169, -352574005}, mask_was_saved = 0}},
---Type <return> to continue, or q <return> to quit---
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000004 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.

Thread 2 (Thread 0xa28fdb70 (LWP 9111)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c55ff8 in __pthread_cond_destroy (cond=0x9b55380)
    at pthread_cond_destroy.c:73
        __status = -512
        _val = <optimized out>
        pshared = 0
        nwaiters = 4294967294
0000002 0xb5ca3df4 in consumer_read_ahead_stop (self=0x9b55318)
    at mlt_consumer.c:1127
No locals.
0000003 mlt_consumer_stop (self=0x9b55318) at mlt_consumer.c:1463
        properties = 0x9b55318
0000004 0xb10100aa in consumer_thread (arg=0x9764ca0) at consumer_sdl_preview.c:474
---Type <return> to continue, or q <return> to quit---
        this = 0x9764ca0
        consumer = 0x9764ca0
        properties = 0x9764ca0
        frame = <optimized out>
        last_position = 2594
        eos = 0
        eos_threshold = 45
        preview_off = 0
0000005 0xb5c51c39 in start_thread (arg=0xa28fdb70) at pthread_create.c:304
        __res = <optimized out>
        __ignore1 = <optimized out>
        __ignore2 = <optimized out>
        pd = 0xa28fdb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1245306892, 0, 4001536,
                -1567632328, 2137167845, -352574005}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
0000006 0xb520178e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
---Type <return> to continue, or q <return> to quit---

Thread 1 (Thread 0xb43e3950 (LWP 8914)):
#0 0xb77e0424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5c52e65 in pthread_join (threadid=2727336816,
    thread_return=thread_return@entry=0x0) at pthread_join.c:89
        __ignore = <optimized out>
        _tid = 9111
        _buffer = {__routine = 0xb5c52d30 <cleanup>, __arg = 0xa28fdd94,
          __canceltype = 153872672, __prev = 0x0}
        oldtype = 0
        result = <optimized out>
0000002 0xb100f800 in consumer_stop (parent=0x9764ca0)
    at consumer_sdl_preview.c:258
        properties = 0x9764ca0
        app_locked = <optimized out>
        lock = 0
        unlock = <optimized out>
        this = 0x9764ca0
0000003 0xb5ca3b19 in mlt_consumer_stop (self=0x9764ca0) at mlt_consumer.c:1458
        properties = 0x9764ca0

0000004 0xb5c77653 in Mlt::Consumer::stop (this=0x9337de0) at MltConsumer.cpp:119
No locals.
---Type <return> to continue, or q <return> to quit---
0000005 0x0833aeee in Render::switchPlay (this=0x8ea28f0, play=false)
    at /home/mcfrisk/src/kdenlive-git/src/renderer.cpp:1644
        locker = {val = 149563745}
0000006 0x082d702d in Monitor::slotPlay (this=0x90a9968)
    at /home/mcfrisk/src/kdenlive-git/src/monitor.cpp:833
No locals.
0000007 0xb5e4bcd2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000008 0xb61a341d in QAction::triggered(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000009 0xb61a36bc in QAction::activate(QAction::ActionEvent) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000010 0xb61a3864 in QAction::event(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000011 0xb746bfb9 in KAction::event(QEvent*) () from /usr/lib/libkdeui.so.5
No symbol table info available.
0000012 0xb61aa47c in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
0000013 0xb61aee7f in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000014 0xb75646b1 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdeui.so.5
No symbol table info available.
0000015 0xb5e3354e in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000016 0xb61e1b6f in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000017 0xb61e317d in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000018 0xb61b119d in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000019 0xb75646b1 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdeui.so.5
No symbol table info available.
0000020 0xb5e3354e in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000021 0xb61a857d in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
0000022 0xb6259038 in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000023 0xb6259473 in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000024 0xb6232935 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000025 0xb625d614 in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000026 0xb4d3a6d3 in g_main_context_dispatch ()
   from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000027 0xb4d3aa70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000028 0xb4d3ab51 in g_main_context_iteration ()
   from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
0000029 0xb5e65831 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000030 0xb625d1fa in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
0000031 0xb5e3201c in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000032 0xb5e32311 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000033 0xb5e37a8a in QCoreApplication::exec() ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
0000034 0xb61a82f4 in QApplication::exec() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
No symbol table info available.
0000035 0x0808f3d1 in main (argc=2, argv=0xbfe6a894)
    at /home/mcfrisk/src/kdenlive-git/src/main.cpp:89
        aboutData = {d = 0x8b9e540}
        app = <incomplete type>
        window = <optimized out>
        __PRETTY_FUNCTION__ = "int main(int, char**)"
        options = {d = 0x8bb1d10}
        result = <optimized out>
(gdb)

Issue History
Date Modified	Username	Field	Change
2013-02-26 00:33	mcfrisk	New Issue
2013-02-26 01:36	mcfrisk	Note Added: 0009349

Notes
(0009349) mcfrisk (reporter) 2013-02-26 01:36	It also seems that mlt/kdenlive are using more memory than before which results in swapping (and makes the deadlock easier to hit). Rendering three minute timeline with minimal effects: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10016 mcfrisk 20 0 2164m 1.2g 1884 S 115.3 63.2 18:34.91 melt Kdenlive opened with same project without any timeline preview: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10166 mcfrisk 20 0 559m 284m 17m S 1.3 14.2 0:55.19 kdenlive

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