Re: [PATCHv2] qemu: Upgrade to 2.8.0

["Aníbal Limón" <anibal.limon@linux.intel.com>]

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On 01/16/2017 10:47 AM, Burton, Ross wrote:
> On 16 January 2017 at 16:43, Aníbal Limón <anibal.limon@linux.intel.com>
> wrote:
> 
>> It's weird, i'll review it, but i don't imagine what is failing
>> gobject-introspection because a qemu upgrade.
>>
> 
> The g-i build runs largely inside a qemu-user instance (the crash is inside
> qemu).

Hi,

I got the stack trace, it's an issue in the PPC TCG some patches in
upstream looks like could be cause the problem [1][2][3].


(gdb) bt
#0  0x000000000086e204 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

(gdb) info threds
  Id   Target Id         Frame
  1    Thread 0x7ffff7fd0780 (LWP 25006) "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 25010) "qemu-ppc" syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
* 3    Thread 0x7ffff7f4d700 (LWP 25011) "qemu-ppc" 0x000000000086e204
in static_code_gen_buffer ()

I'll send an email to the qemu mailing list.

Cheers,
	alimon

[1]
http://git.qemu.org/?p=qemu.git;a=commit;h=bd6fefe71cec5a0c7d2be4ac96307f25db56abf9
[2]
http://git.qemu.org/?p=qemu.git;a=commit;h=ba4a8df83f474be1ba02510f960e5224f29d229c
[3]
http://git.qemu.org/?p=qemu.git;a=commit;h=4f5d326046fa522010c0a66f1bcaac9068253085

> 
> Ross
> 


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