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Re: [Qemu-devel] [PULL 0/7] X86 patches


From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PULL 0/7] X86 patches
Date: Tue, 10 Mar 2015 11:16:36 -0300
User-agent: Mutt/1.5.23 (2014-03-12)

On Tue, Mar 10, 2015 at 11:44:22AM +0000, Peter Maydell wrote:
> On 9 March 2015 at 20:40, Eduardo Habkost <address@hidden> wrote:
> > The following changes since commit 277263e1b320d759a760ba6c5ea75ec268f929e5:
> >
> >   Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' 
> > into staging (2015-03-09 14:04:14 +0000)
> >
> > are available in the git repository at:
> >
> >   https://github.com/ehabkost/qemu.git tags/x86-pull-request
> >
> > for you to fetch changes up to 9886e834f47adabdbfd54ab606788ce7326e6779:
> >
> >   target-i386: Require APIC ID to be explicitly set before CPU realize 
> > (2015-03-09 16:30:03 -0300)
> >
> > ----------------------------------------------------------------
> > X86 patches queued in the last few weeks. Mostly code cleanup and changes on
> > code assigning APIC ID.
> >
> > ----------------------------------------------------------------
> 
> 'make check' fails for the i386 targets, apparently because qemu-system-i386
> segfaults on startup:

Ouch.

But I couldn't reproduce it on my system using the tree at the tag
above. Was it a merge containing other changes that are not on qemu.git
yet?


> 
> e104462:trusty:qemu-for-merges$ gdb --args
> ./build/all/i386-softmmu/qemu-system-i386 -display none
> [...]
> 
> (gdb) r
> Starting program:
> /home/petmay01/linaro/qemu-for-merges/build/all/i386-softmmu/qemu-system-i386
> -display none
> 
> [...]
> 
> Program received signal SIGSEGV, Segmentation fault.
> object_get_class (address@hidden) at
> /home/petmay01/linaro/qemu-for-merges/qom/object.c:589
> 589         return obj->class;
> (gdb) bt
> #0  object_get_class (address@hidden) at
> /home/petmay01/linaro/qemu-for-merges/qom/object.c:589
> #1  0x00005555556668c2 in apic_enable_tpr_access_reporting
> (dev=<optimized out>, enable=<optimized out>)
>     at /home/petmay01/linaro/qemu-for-merges/hw/intc/apic_common.c:86
> #2  0x000055555562f881 in flush_queued_work (cpu=0x5555562c6b00)
>     at /home/petmay01/linaro/qemu-for-merges/cpus.c:871
> #3  qemu_wait_io_event_common (address@hidden)
>     at /home/petmay01/linaro/qemu-for-merges/cpus.c:888
> #4  0x0000555555630a27 in qemu_tcg_cpu_thread_fn (arg=<optimized out>)
>     at /home/petmay01/linaro/qemu-for-merges/cpus.c:1024
> #5  0x00007ffff0865182 in start_thread (arg=0x7fffdf99e700) at
> pthread_create.c:312
> #6  0x00007ffff059200d in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
> (gdb)
> 
> thanks
> -- PMM

-- 
Eduardo



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