From: "Aníbal Limón" <anibal.limon@linux.intel.com>
To: Sam Bobroff <sam.bobroff@au1.ibm.com>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] qemu-pcc 2.8.0 linux-user segfaults
Date: Tue, 31 Jan 2017 15:49:43 -0600 [thread overview]
Message-ID: <58910677.9080501@linux.intel.com> (raw)
In-Reply-To: <20170130235210.GA4681@tungsten.ozlabs.ibm.com>
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On 01/30/2017 05:52 PM, Sam Bobroff wrote:
> 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
The patch works, thanks for made it.
Cheers,
alimon
>
> 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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next prev parent reply other threads:[~2017-01-31 21:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-16 21:56 [Qemu-devel] qemu-pcc 2.8.0 linux-user segfaults Aníbal Limón
2017-01-16 22:03 ` Aníbal Limón
2017-01-30 23:52 ` Sam Bobroff
2017-01-31 21:49 ` Aníbal Limón [this message]
2017-02-01 15:25 ` Peter Maydell
2017-02-01 22:30 ` David Gibson
2017-02-01 23:42 ` [Qemu-devel] [Qemu-ppc] " Laurent Vivier
2017-02-01 23:48 ` [Qemu-devel] " Sam Bobroff
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