Hi,
At the moment, I am testing some changes on fldigi and noticed that it
stays stuck with 200% CPU (I have atwo-cores processors). Here is where
the threads are stuck:
(gdb) info thr
7 Thread -1229739120 (LWP 18961) 0xffffe410 in __kernel_vsyscall ()
6 Thread -1240515696 (LWP 18962) 0x0820f3e9 in elapse_timeouts ()
5 Thread -1252582512 (LWP 18963) 0xffffe410 in __kernel_vsyscall ()
4 Thread -1260975216 (LWP 18964) 0xffffe410 in __kernel_vsyscall ()
3 Thread -1269367920 (LWP 18965) 0xffffe410 in __kernel_vsyscall ()
2 Thread -1277760624 (LWP 18966) 0xffffe410 in __kernel_vsyscall ()
1 Thread -1215514912 (LWP 18957) 0x0820f3e9 in elapse_timeouts ()
(gdb) thr 1
[Switching to thread 1 (Thread -1215514912 (LWP 18957))]#0 0x0820f3e9
in elapse_timeouts ()
(gdb) where
#0 0x0820f3e9 in elapse_timeouts ()
#1 0x0820f486 in Fl::wait ()
#2 0x0820f635 in Fl::run ()
#3 0x080fe35e in main (argc=1, argv=0xbf8485e4) at main.cxx:409
(gdb) thr 2
[Switching to thread 2 (Thread -1277760624 (LWP 18966))]#0 0xffffe410
in __kernel_vsyscall ()
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7e92598 in accept () from /lib/i686/libpthread.so.0
#2 0xb7ca19fd in std::ios_base::Init::~Init () at ctype_members.cc:52
#3 0x0000001a in ?? ()
#4 0xb7ca134b in SocketAccept () from /usr/lib/libxmlrpc_abyss.so.3
#5 0xb7c9f3ad in ServerRun () from /usr/lib/libxmlrpc_abyss.so.3
#6 0xb7cb72e8 in xmlrpc_c::serverAbyss::run () from
/usr/lib/libxmlrpc_server_abyss++.so.3
#7 0x08056e0c in XML_RPC_Server::thread_func () at misc/xmlrpc.cxx:175
#8 0xb7e8b4e2 in start_thread () from /lib/i686/libpthread.so.0
#9 0xb7ad047e in clone () from /lib/i686/libc.so.6
(gdb) thr 3
[Switching to thread 3 (Thread -1269367920 (LWP 18965))]#0 0xffffe410
in __kernel_vsyscall ()
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7e92b96 in nanosleep () from /lib/i686/libpthread.so.0
#2 0x0815cdd0 in MilliSleep (msecs=50) at misc/util.cxx:341
#3 0x0814a8c5 in arq_loop (args=0x0) at misc/arq_io.cxx:671
#4 0xb7e8b4e2 in start_thread () from /lib/i686/libpthread.so.0
#5 0xb7ad047e in clone () from /lib/i686/libc.so.6
(gdb) thr 4
[Switching to thread 4 (Thread -1260975216 (LWP 18964))]#0 0xffffe410
in __kernel_vsyscall ()
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7e92598 in accept () from /lib/i686/libpthread.so.0
#2 0x08158439 in Socket::accept (this=0xb575a530) at misc/socket.cxx:625
#3 0x081457df in ARQ_SOCKET_Server::thread_func () at misc/arq_io.cxx:516
#4 0xb7e8b4e2 in start_thread () from /lib/i686/libpthread.so.0
#5 0xb7ad047e in clone () from /lib/i686/libc.so.6
(gdb) thr 5
[Switching to thread 5 (Thread -1252582512 (LWP 18963))]#0 0xffffe410
in __kernel_vsyscall ()
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7ac8d51 in select () from /lib/i686/libc.so.6
#2 0xb7eb526b in std::ios_base::Init::~Init () at ctype_members.cc:52
#3 0xb7e8b4e2 in start_thread () from /lib/i686/libpthread.so.0
#4 0xb7ad047e in clone () from /lib/i686/libc.so.6
(gdb) thr 6
[Switching to thread 6 (Thread -1240515696 (LWP 18962))]#0 0x0820f3e9
in elapse_timeouts ()
(gdb) where
#0 0x0820f3e9 in elapse_timeouts ()
#1 0x0820f44f in Fl::add_timeout ()
#2 0x0812c010 in debug::log (level=debug::INFO_LEVEL, func=0x827d524
"set_state", srcf=0x8279916 "wefax/wefax.cxx",
line=638, format=0x8279b1a "Correlation: Reset to stop") at
misc/debug.cxx:196
#3 0x0810f8dd in fax_implementation::decode (this=0x873c868,
buf=0xb60f2a00, nb_samples=512) at wefax/wefax.cxx:638
#4 0x0810ff6b in fax_implementation::rx_new_samples (this=0x873c868,
audio_ptr=0xb7788008, audio_sz=512)
at wefax/wefax.cxx:1548
#5 0x081100e3 in wefax::rx_process (this=0xb61f6008, buf=0xb7788008,
len=512) at wefax/wefax.cxx:1979
#6 0x0873c868 in ?? ()
#7 0xb7788008 in ?? ()
#8 0x00000200 in ?? ()
#9 0x086d54b0 in ?? ()
#10 0x00000000 in ?? ()
(gdb) thr 7
[Switching to thread 7 (Thread -1229739120 (LWP 18961))]#0 0xffffe410
in __kernel_vsyscall ()
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7e92b96 in nanosleep () from /lib/i686/libpthread.so.0
#2 0x0815cdd0 in MilliSleep (msecs=100) at misc/util.cxx:341
#3 0x08053d74 in hamlib_loop (args=0x0) at rigcontrol/hamlib.cxx:493
#4 0xb7e8b4e2 in start_thread () from /lib/i686/libpthread.so.0
#5 0xb7ad047e in clone () from /lib/i686/libc.so.6
It seems to happen when a program makes a lot of debug::log calls .
Any idea please ?
Thanks
Remi
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