[Bug-gdb] Re: debugger gets a fatal unkown signal

[Rajesh Arora]

Hi,
I forgot to mention versions:


(gdb) show version
GNU gdb 4.17.0.11 with Linux support
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This GDB was configured as "ppc-unknown-linux".

compiler version:

address@hidden RTThread]$ g++ -v
Reading specs from /usr/lib/gcc-lib/ppc-redhat-linux/egcs-2.91.66/specs
gcc version egcs-2.91.66 19990314 (egcs-1.1.2 release)



>
>Hi,
>
>While running gdb, the debugger gets a fatal unkown signal, after that the 
whole 
>debuuger hangs. If I run the same programm without dbg, it runs fine. Here is 
>the output on debuuger screen:
>
>--------------------------------------------------
>
>ObjecTime Micro Run Time System
>Release 5.21.C.00
>Copyright (c) 1993-1998 ObjecTime Limited
>
>Program received signal ?, Unknown signal.
>0x14fb4c0 in __syscall_rt_sigsuspend () at soinit.c:59
>soinit.c:59: No such file or directory.
>Current language:  auto; currently c
>(gdb) info stack
>#0  0x14fb4c0 in __syscall_rt_sigsuspend () at soinit.c:59
>#1  0x14fa1f0 in __sigsuspend (set=0x7ffff828)
>    at ../sysdeps/unix/sysv/linux/sigsuspend.c:48
>#2  0x173bfd0 in __pthread_create_2_1 (thread=0x1baa6f0, attr=0x7ffff8d8, 
>    start_routine=0x18029e8 <RTThread::run(RTThread *)>, arg=0x1baa5c8)
>    at restart.h:32
>#3  0x18028fc in RTThread::RTThread (this=0x1baa5c8, job=0x8, 
>    stack_size=20000, prio=8) at ../src/target/HALINUXLIB10/RTThread/ct.cc:98
>#4  0x1826884 in RTMain::initUpdateThreads (debugger=0x7ffffac8)
>    at ../../C++/TargetRTS/RTSystem.cpp:4074
>#5  0x1801850 in RTMain::entryPoint (_argc=-4, _argv=0x8)
>    at ../src/RTMain/entryPoint.cc:185
>#6  0x18016b4 in main (argc=1, argv=0x7ffffc24)
>    at /home/deltax/scripts/root.cc:37
>#7  0x14f27d4 in __libc_start_main ()
>    at ../sysdeps/powerpc/elf/libc-start.c:106
>(gdb) 
>warning: Signal ? does not exist on this system.
>
>--------------------------------------------------
>After that I have to kill the process to exit.
>
>Please let me know any workaround for this
>
>
>Rajesh
>
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