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)

(gdb) i r
r0             0x3690   13968
r1             0x7fff5fbff1e0   140734799802848
r2             0x7fff70231870   140735074736240
r3             0x0      0
r4             0x10080be00      4303404544
r5             0x0      0
r6             0x2      2
r7             0x0      0
r8             0x8      8
r9             0x0      0
r10            0x7fff80f14fac   140735356686252
r11            0x7fff70237940   140735074761024
r12            0x7fff80f14fa0   140735356686240
r13            0x7fff7028fde8   140735075122664
r14            0x0      0
r15            0x0      0
r16            0x0      0
r17            0x100240e94      4297330324
r18            0x100539040      4300443712
r19            0x100609400      4301296640
r20            0x0      0
r21            0x0      0
r22            0x100609b60      4301298528
r23            0x100240e94      4297330324
r24            0x100240e94      4297330324
r25            0x0      0
r26            0x0      0
r27            0x100205d78      4297088376
r28            0x7fff70231870   140735074736240
r29            0x2b10   11024
r30            0x2b10   11024
r31            0x0      0
pc             0x3690   13968
ps             0x900000000200f030       10376293541495238704
cr             0x24022222       604119586
lr             0x3690   13968
ctr            0x7fff80f14fa0   140735356686240
xer            0x20000000       536870912
mq             0x0      0
fpscr          0x82000000       2181038080
vscr           0x10000  65536
vrsave         0x0      0
(gdb) x/10i ($pc-8)
0x3688 <qemu_coroutine_create+40>:        li      r0,0
0x368c <qemu_coroutine_create+44>:        bl      0x3ca0 <qemu_coroutine_new>
0x3690 <qemu_coroutine_create+48>:        std     r29,0(r3)
0x3694 <qemu_coroutine_create+52>:        nop
0x3698 <qemu_coroutine_create+56>:        nop
0x369c <qemu_coroutine_create+60>:        nop
0x36a0 <qemu_coroutine_create+64>:        ld      r0,120(r1)
0x36a4 <qemu_coroutine_create+68>:        ld      r2,0(r28)
0x36a8 <qemu_coroutine_create+72>:        xor.    r0,r0,r2
0x36ac <qemu_coroutine_create+76>:        li      r2,0
(gdb)