[Pkg-amule-devel] Bug#772592: Bug#772592: amule: occasional segmentation fault

Dmitry Smirnov onlyjob at debian.org
Tue Dec 9 01:14:58 UTC 2014


On Tue, 9 Dec 2014 00:33:20 Sandro Tosi wrote:
> I'm sorry, the way upstream wants backtraces is running these gdb commands:
> 
> bt
> bt full
> thread apply all bt

OK, no worries, it didn't take too long before I got opportunity to get
another backtrace :

~~~~
(gdb) bt
#0  g_source_unref_internal (source=source at entry=0x7fffe0002bc0, context=context at entry=0xa85020, have_lock=have_lock at entry=1) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2027
#1  0x00007ffff2e5d1a9 in g_source_destroy_internal (source=0x7fffe0002bc0, context=0xa85020, have_lock=0) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:1201
#2  0x00007ffff2e5e925 in g_source_remove (tag=214464) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2239
#3  0x00007ffff6515af7 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
#4  0x00007ffff6114712 in GSocket::Write(char const*, int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#5  0x00007ffff610fe78 in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#6  0x00007ffff610feb4 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#7  0x00000000005aa514 in Write (nbytes=46, buffer=0x4381550, this=0x43f3890) at ../../src/LibSocket.h:266
#8  CSocketClientProxy::Write (this=this at entry=0x43f3890, buffer=0x4381550, nbytes=nbytes at entry=46) at ../../src/Proxy.cpp:1324
#9  0x00000000004a401f in CEncryptedStreamSocket::Write (this=this at entry=0x43f3890, lpBuf=<optimized out>, nBufLen=nBufLen at entry=46) at ../../src/EncryptedStreamSocket.cpp:210
#10 0x00000000004a2bc3 in CEMSocket::Send (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, minFragSize=<optimized out>, onlyAllowedToSendControlPacket=true) at ../../src/EMSocket.cpp:563
#11 0x0000000000480eb9 in SendControlData (minFragSize=<optimized out>, maxNumberOfBytesToSend=<optimized out>, this=0x43f3890) at ../../src/EMSocket.h:69
#12 CClientTCPSocket::SendControlData (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, overchargeMaxBytesToSend=<optimized out>) at ../../src/ClientTCPSocket.cpp:2045
#13 0x00000000004eb016 in UploadBandwidthThrottler::Entry (this=0x36c93e0) at ../../src/UploadBandwidthThrottler.cpp:381
#14 0x00007ffff5e774e5 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#15 0x00007ffff7bc70a4 in start_thread (arg=0x7fffec5a7700) at pthread_create.c:309
#16 0x00007ffff5070ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) bt full
#0  g_source_unref_internal (source=source at entry=0x7fffe0002bc0, context=context at entry=0xa85020, have_lock=have_lock at entry=1) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2027
        old_cb_data = 0x0
        old_cb_funcs = 0x0
        __FUNCTION__ = "g_source_unref_internal"
#1  0x00007ffff2e5d1a9 in g_source_destroy_internal (source=0x7fffe0002bc0, context=0xa85020, have_lock=0) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:1201
        tmp_list = <optimized out>
        old_cb_data = 0x7fffe0000fc0
        old_cb_funcs = <optimized out>
#2  0x00007ffff2e5e925 in g_source_remove (tag=214464) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2239
        source = 0x7fffe0002bc0
        __FUNCTION__ = "g_source_remove"
#3  0x00007ffff6515af7 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#4  0x00007ffff6114712 in GSocket::Write(char const*, int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
No symbol table info available.
#5  0x00007ffff610fe78 in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
No symbol table info available.
#6  0x00007ffff610feb4 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
No symbol table info available.
#7  0x00000000005aa514 in Write (nbytes=46, buffer=0x4381550, this=0x43f3890) at ../../src/LibSocket.h:266
No locals.
#8  CSocketClientProxy::Write (this=this at entry=0x43f3890, buffer=0x4381550, nbytes=nbytes at entry=46) at ../../src/Proxy.cpp:1324
        lock = {m_isOk = true, m_mutex = @0x43f39c8}
#9  0x00000000004a401f in CEncryptedStreamSocket::Write (this=this at entry=0x43f3890, lpBuf=<optimized out>, nBufLen=nBufLen at entry=46) at ../../src/EncryptedStreamSocket.cpp:210
No locals.
#10 0x00000000004a2bc3 in CEMSocket::Send (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, minFragSize=<optimized out>, onlyAllowedToSendControlPacket=true) at ../../src/EMSocket.cpp:563
        tosend = 46
        result = <optimized out>
        bWasLongTimeSinceSend = <optimized out>
        sentControlPacketBytesThisCall = 0
        returnVal = <optimized out>
        lock = {m_isOk = <optimized out>, m_mutex = @0x43f3d08}
        anErrorHasOccured = <optimized out>
        sentStandardPacketBytesThisCall = 0
#11 0x0000000000480eb9 in SendControlData (minFragSize=<optimized out>, maxNumberOfBytesToSend=<optimized out>, this=0x43f3890) at ../../src/EMSocket.h:69
No locals.
#12 CClientTCPSocket::SendControlData (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, overchargeMaxBytesToSend=<optimized out>) at ../../src/ClientTCPSocket.cpp:2045
        returnStatus = <optimized out>
#13 0x00000000004eb016 in UploadBandwidthThrottler::Entry (this=0x36c93e0) at ../../src/UploadBandwidthThrottler.cpp:381
        socketSentBytes = {success = false, sentBytesStandardPackets = 0, sentBytesControlPackets = 0}
        socket = 0x43f3ca0
        slots = <optimized out>
        spentBytes = 0
        spentOverhead = 0
        sendLock = {m_isOk = <optimized out>, m_mutex = @0x36c9400}
        minBytesToSpend = <optimized out>
        timeSinceLastLoop = <optimized out>
        minFragSize = 1300
        doubleSendSize = 2600
        sleepTime = <optimized out>
        thisLoopTick = 748032443
        bytesToSpend = 14
        extraSleepTime = 1
        lastLoopTick = 748032443
        allowedDataRate = <optimized out>
        rememberedSlotCounter = 1
        sendLock = <optimized out>
#14 0x00007ffff5e774e5 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
No symbol table info available.
#15 0x00007ffff7bc70a4 in start_thread (arg=0x7fffec5a7700) at pthread_create.c:309
---Type <return> to continue, or q <return> to quit---
        __res = <optimized out>
        pd = 0x7fffec5a7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737158739712, -1311687854287267127, 1, 140737354125408, 57447392, 140737158739712, 1311720035986922185, 1311705966615026377}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#16 0x00007ffff5070ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
(gdb) thread apply all bt

Thread 5 (Thread 0x7fffea5a1700 (LWP 30874)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ffff5e761e6 in wxConditionInternal::WaitTimeout(unsigned long) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#2  0x00007ffff5e76d6a in wxSemaphoreInternal::WaitTimeout(unsigned long) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#3  0x00000000005dca1e in CTimerThread::Entry (this=0x41f5600) at ../../src/Timer.cpp:66
#4  0x00007ffff5e774e5 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#5  0x00007ffff7bc70a4 in start_thread (arg=0x7fffea5a1700) at pthread_create.c:309
#6  0x00007ffff5070ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fffec5a7700 (LWP 30871)):
#0  g_source_unref_internal (source=source at entry=0x7fffe0002bc0, context=context at entry=0xa85020, have_lock=have_lock at entry=1) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2027
#1  0x00007ffff2e5d1a9 in g_source_destroy_internal (source=0x7fffe0002bc0, context=0xa85020, have_lock=0) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:1201
#2  0x00007ffff2e5e925 in g_source_remove (tag=214464) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:2239
#3  0x00007ffff6515af7 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
#4  0x00007ffff6114712 in GSocket::Write(char const*, int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#5  0x00007ffff610fe78 in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#6  0x00007ffff610feb4 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
#7  0x00000000005aa514 in Write (nbytes=46, buffer=0x4381550, this=0x43f3890) at ../../src/LibSocket.h:266
#8  CSocketClientProxy::Write (this=this at entry=0x43f3890, buffer=0x4381550, nbytes=nbytes at entry=46) at ../../src/Proxy.cpp:1324
#9  0x00000000004a401f in CEncryptedStreamSocket::Write (this=this at entry=0x43f3890, lpBuf=<optimized out>, nBufLen=nBufLen at entry=46) at ../../src/EncryptedStreamSocket.cpp:210
#10 0x00000000004a2bc3 in CEMSocket::Send (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, minFragSize=<optimized out>, onlyAllowedToSendControlPacket=true) at ../../src/EMSocket.cpp:563
#11 0x0000000000480eb9 in SendControlData (minFragSize=<optimized out>, maxNumberOfBytesToSend=<optimized out>, this=0x43f3890) at ../../src/EMSocket.h:69
#12 CClientTCPSocket::SendControlData (this=0x43f3890, maxNumberOfBytesToSend=<optimized out>, overchargeMaxBytesToSend=<optimized out>) at ../../src/ClientTCPSocket.cpp:2045
#13 0x00000000004eb016 in UploadBandwidthThrottler::Entry (this=0x36c93e0) at ../../src/UploadBandwidthThrottler.cpp:381
#14 0x00007ffff5e774e5 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#15 0x00007ffff7bc70a4 in start_thread (arg=0x7fffec5a7700) at pthread_create.c:309
#16 0x00007ffff5070ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffff7f84a00 (LWP 30856)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2ea39a9 in g_mutex_lock_slowpath (mutex=mutex at entry=0xa85020) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gthread-posix.c:1314
#2  0x00007ffff2ea4372 in g_mutex_lock (mutex=mutex at entry=0xa85020) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gthread-posix.c:1338
#3  0x00007ffff2e5f76f in g_main_context_check (context=context at entry=0xa85020, max_priority=2147483647, fds=fds at entry=0x43ddf10, n_fds=n_fds at entry=17)
    at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:3568
#4  0x00007ffff2e5fe83 in g_main_context_iterate (context=0xa85020, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:3778
#5  0x00007ffff2e60272 in g_main_loop_run (loop=0x41bf8b0) at /build/glib2.0-dt6trg/glib2.0-2.42.0/./glib/gmain.c:3975
#6  0x00007ffff4a6d4b7 in IA__gtk_main () at /build/gtk+2.0-Gthrko/gtk+2.0-2.24.25/gtk/gtkmain.c:1257
#7  0x00007ffff65149ea in wxEventLoop::Run() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
#8  0x00007ffff659e8ab in wxAppBase::MainLoop() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
#9  0x00007ffff5e1d2fa in wxEntry(int&, wchar_t**) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
#10 0x0000000000441452 in main (argc=1, argv=<optimized out>) at ../../src/amule-gui.cpp:93
~~~~
 
-- 
Cheers,
 Dmitry Smirnov.


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