On Mon, Jan 16, 2017 at 04:03:21PM -0600, Aníbal Limón wrote:
> 
> 
> On 01/16/2017 03:56 PM, Aníbal Limón wrote:
> > Hi folks,
> > 
> > I'm trying to upgrade qemu to 2.8.0 in Openembedded-core and segfaults
> > in qemu-ppc when is executing:

Hi Aníbal,

I've recently encountered a similar problem and I've posted a fix. If
you'd like to try it, it's here:

https://lists.gnu.org/archive/html/qemu-ppc/2017-01/msg00413.html

Cheers,
Sam.

> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/build/ppc-linux-user/qemu-ppc
> > -s 16M -r 3.2.0 -cpu 7400 -L
> > /home/alimon/repos/poky/build-ppc/tmp/sysroots/qemuppc -E
> > LD_LIBRARY_PATH=/home/alimon/repos/poky/build-ppc/tmp/work/ppc7400-poky-linux/gobject-introspection/1.50.0-r0/build/.libs:.libs:/home/alimon/repos/poky/build-ppc/tmp/sysroots/qemuppc//usr/lib:/home/alimon/repos/poky/build-ppc/tmp/sysroots/qemuppc//lib
> > /home/alimon/repos/poky/build-ppc/tmp/work/ppc7400-poky-linux/gobject-introspection/1.50.0-r0/build/tmp-introspectu_ewt_1z/Gio-2.0
> > --introspect-dump=/home/alimon/repos/poky/build-ppc/tmp/work/ppc7400-poky-linux/gobject-introspection/1.50.0-r0/build/tmp-introspectu_ewt_1z/functions.txt,/home/alimon/repos/poky/build-ppc/tmp/work/ppc7400-poky-linux/gobject-introspection/1.50.0-r0/build/tmp-introspectu_ewt_1z/dump.xml
> > [Thread debugging using libthread_db enabled]
> > 
> > 
> > And the debug info,
> > 
> > (gdb) info threads
> >   Id   Target Id         Frame
> >   1    Thread 0x7ffff7fd0780 (LWP 25457) "qemu-ppc"
> > pthread_cond_wait@@GLIBC_2.3.2 () at
> > ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> >   2    Thread 0x7ffff647e700 (LWP 25461) "qemu-ppc" syscall () at
> > ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
> > * 3    Thread 0x7ffff7f4d700 (LWP 25462) "qemu-ppc" 0x000000000086fba4
> > in static_code_gen_buffer ()
> > 
> > (gdb) bt
> > #0  0x000000000086fba4 in static_code_gen_buffer ()
> > #1  0x000000000040e922 in cpu_tb_exec (itb=<optimized out>,
> > itb=<optimized out>, cpu=0x29864d0) at
> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/qemu-2.8.0/cpu-exec.c:164
> > #2  cpu_loop_exec_tb (sc=<optimized out>, tb_exit=<synthetic pointer>,
> > last_tb=<synthetic pointer>, tb=<optimized out>, cpu=0x29864d0) at
> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/qemu-2.8.0/cpu-exec.c:544
> > #3  cpu_exec (cpu=cpu@entry=0x29864d0) at
> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/qemu-2.8.0/cpu-exec.c:638
> > #4  0x0000000000445fba in cpu_loop (env=env@entry=0x298e750) at
> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/qemu-2.8.0/linux-user/main.c:1359
> > #5  0x0000000000448a95 in clone_func (arg=0x7fffffffa910) at
> > /home/alimon/repos/poky/build-ppc/tmp/work/x86_64-linux/qemu-native/2.8.0-r0/qemu-2.8.0/linux-user/syscall.c:6090
> > #6  0x00007ffff6a750a4 in start_thread (arg=0x7ffff7f4d700) at
> > pthread_create.c:309
> > #7  0x00007ffff67aa62d in clone () at
> > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
> 
> Here is the core dump,
> 
> https://drive.google.com/file/d/0B9uDfO-FJ1kgY3ZhendISTZzOUU/view?usp=sharing
> 
> > 
> > Any help will be appreciated.
> > 
> > Best regards,
> >     alimon
> > 
> 



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