Re: [PATCHv2] qemu: Upgrade to 2.8.0

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

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On 01/16/2017 03:42 PM, Aníbal Limón wrote:
> 
> 
> 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

I can't get a response from qemu people so i will send a minor upgrade
2.7.1 while i debug the issue.

	alimon

> 
>>
>> Ross
>>
> 
> 
> 


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