Re: [Qemu-devel] [PATCH v5 4/5] coroutine: add check-coroutine automated tests

[Andreas Färber]

Am 25.06.2011 um 16:11 schrieb Andreas Färber:

> Am 12.06.2011 um 22:46 schrieb Stefan Hajnoczi:
>
> > To run automated tests for coroutines:
> >
> > make check-coroutine
> > ./check-coroutine
>
> The commit message doesn't correspond to the changes, it's test- 
> coroutine below.
>
> $ ./test-coroutine
> /basic/lifecycle: Segmentation fault
>
> Compiles without warnings but crashes at runtime on Darwin/ppc64.  
> It's using coroutine-ucontext.o implementation.
>
> (gdb) run
> Starting program: /Users/andreas/QEMU/qemu64/test-coroutine
> warning: posix_spawn failed, trying execvp, error: 86
> Reading symbols for shared libraries +++++++++++++ 
> + 
> ....................................................................... done
> /basic/lifecycle:
> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
> qemu_coroutine_create (entry=0x2b10 <set_and_exit>) at /Users/ 
> andreas/QEMU/qemu/qemu-coroutine.c:23
> 23          co->entry = entry;
> (gdb)

Commenting out CONFIG_UCONTEXT_COROUTINE=y in config-host.mak to force  
the coroutine-gthread.o implementation, this does not happen:

$ ./test-coroutine
/basic/lifecycle: OK
/basic/yield: OK
/basic/nesting: OK
/basic/self: OK
/basic/in_coroutine: OK

Andreas