Hello all !
I've just installed rtems-4.8 on a Redhat 7 64 bits machine. I've installed the
release version of rtems 4.8 and the following versions of the toolset:
- gcc 4.2.1 with newlib 1.15.0
- binutils 2.18
- gdb 6.8
The compilation and installation of the toolset and rtems run without problem
except for the documentation part which I disabled.
Then I installed the rtems-4.8 examples and tried to run hello_world_c on qemu
leon3 with the command "qemu-system-sparc -nographic -M leon3_generic -cpu
LEON3 -kernel hello.exe -s -S".
Neither error nor warning was present in the compilation or the execution
process (nor the hello world message) and when I stop the execution it is
always on the _Heap_Allocate function of cpukit/score/src/heapallocate.c file.
Here is the backtrace:
(gdb) c
Continuing.
Program received signal SIGINT, Interrupt.
_Heap_Allocate (the_heap=0x40013e6c, size=<value optimized out>) at
../../../../../../rtems-4.8.0/c/src/../../cpukit/score/src/heapallocate.c:57
57 the_block = the_block->next, ++search_count)
(gdb) bt
#0 _Heap_Allocate (the_heap=0x40013e6c, size=<value optimized out>) at
../../../../../../rtems-4.8.0/c/src/../../cpukit/score/src/heapallocate.c:57
#1 0x4000b8c8 in _Workspace_Allocate_or_fatal_error (size=52) at
../../cpukit/../../../leon3/lib/include/rtems/score/wkspace.inl:37
#2 0x4000b2e4 in _User_extensions_Handler_initialization
(number_of_extensions=1, initial_extensions=0x40012cc0) at
../../../../../../rtems-4.8.0/c/src/../../cpukit/score/src/userext.c:37
#3 0x40007860 in rtems_initialize_executive_early
(configuration_table=0x40013930, cpu_table=0x40013908) at
../../../../../../rtems-4.8.0/c/src/../../cpukit/sapi/src/exinit.c:152
#4 0x40001924 in boot_card (argc=0, argv=0x0, envp=0x0) at
../../../../../../../../rtems-4.8.0/c/src/lib/libbsp/sparc/leon3/../../shared/bootcard.c:117
#5 0x400010dc in zerobss () at
../../../../../../../../rtems-4.8.0/c/src/lib/libbsp/sparc/leon3/../../sparc/shared/start.S:339
#6 0x400010dc in zerobss () at
../../../../../../../../rtems-4.8.0/c/src/lib/libbsp/sparc/leon3/../../sparc/shared/start.S:339
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) p *the_heap
$17 = {free_list = {prev_size = 0, size = 0, next = 0xfffc8040, prev =
0xfffc8040}, page_size = 8, min_block_size = 16, begin = 0xfffc8040, end =
0xfffd5e50, start = 0xfffc8040, final = 0xfffd5e48, stats = {instance = 0,
size = 56848, free_size = 56840, min_free_size = 56840, free_blocks = 1,
max_free_blocks = 1, used_blocks = 0, max_search = 0, allocs = 0, searches = 0,
frees = 0, resizes = 0}}
It seems to be blocked on an infinite loop. I presume there has been a problem
with the installation of rtems that I have not seen since this is a well proven
version and it is the most basic example.
Would you have an idea of what the problem might be?
Thanks a lot in advance,
Patricia Lopez Cueva
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